FF502 / SABA [TV (Standard)]

• No blue. (extract of circuit diagram attached)
• LED display characters are back to front. (+ extract of circuit diagram)
• Dead. LED blinks .
• Faint white lines rolling up and down picture. Slight cross-modulation effect on off-air signal. (+ extract of circuit diagram)
• No red on TXT. Picture OK.
• After a storm no sound and no picture. No light, filament lights up, line transformer ok. screen remains dark, light appears at switch off. (FF502 tips)
• Hum on picture and noisy chopper transformer.
• Blank screen with coloured dots/interference and possible smell of over heating.
• Display flashes in STAND BY and the TV does not start up, even with the RCU. Occasionally it starts up when you activate P and VOL, and press On/Off several times.
• Hum bar. Vertical collapse. after warm-up. (+ extract of circuit diagram)
• Flickering on channel 60 and on special channels.
• No red. (with circuit diagram extract)
• Intermittent OSG display and sound is reduced. (part of circuit diagram displayed)
• Crackling on Nicam.
• No picture. Horizontal collapse. Audio OK . (part of circuit diagram displayed)
• Switches to standby (intermittently). (picture attached)
• Loss of sync on teletext. Mix teletext/picture ok.
• Moire effect in the colour areas.
• No sound or picture. Teletext functions. Static discharge. New appliance.
• TP48 fails after short time.
• Spare part info: value of RL55.
• Display shows channel only. (+ extract of circuit diagram)
• Displaced channels eg. M6 on channel 41 instead of 50. No channels between channel 21 and 36. (extract of circuit diagram attached)
• No picture. TXT OK . (extract of circuit diagram attached)
• Channel raster has shifted by two or more channels. (part of circuit diagram displayed)
• Flickering on channel 60 and on special channels.
• Dead apart from "88" in display. (+ extract of circuit diagram)
• After changing the CRT base, there is HT flashover which appears as crackling sound and flickering picture. (FF502 tips)
• Power supply BU blows after 10 secs. Correct power supply attempted with line transformer load disconnected.
• How to set up SERVICE mode when appliance remains in low range.
• Double picture. Picture shifted 1mm.
• When switching on snow with moiré on all stations. It seems as if the stations are way out. After running for a short time picture is ok.
• The power supply transformer trembles. (extract of circuit diagram attached)
• At switch on, focus pot arcing and igniting. CRT board and tube ventiduct disconnected but fault persists.
• Sporadic hum from speaker. Hum disappears when switched off and on. (with circuit diagram extract)
• No picture. via RF output (intermittently). OK via SCART . (picture attached)
• How to disable key code.
• The picture moves out of its frame when the appliance is warm.
• Spare parts information - Part reference for TP24 and TL31.
• TP48 fails after a few days.
• Audible whistling from the back of the cabinet.
• LED characters are displayed back to front.
• Receives no HF signals. Band switch over is not possible. (extract of circuit diagram attached)
• Power supply BU blows after operating for a short time. (part of circuit diagram displayed)
• 1Khz tone breaking onto NICAM sound. OK in mono mode.
• TP24 is destroyed, following a circuit break and return to programme 1. (with circuit diagram extract) (FF502 SABA repair tip)
• Unfocused raster. (extract of circuit diagram attached)
• Colour drop-out.
• Blows line output transformer. (service info for SABA -FF502)
• No fastext. Normal text OK. (picture attached)
• Line output transistor S/C. (extract of circuit diagram attached)
• Random clicks with Nicam sound.
• Terrestrial channel in the background of a satellite transmission.
• Channel raster has shifted by two or more channels.
• Blank raster, sound + EHT OK, no r.g.b. Out of IV21 (HA11498). (extract of circuit diagram attached)
• No picture. Rainbow colours in lower picture area.
• Trips when aerial is inserted. (part of circuit diagram displayed)
• Reduced field scan 2in scan approx 1/4in from top. 9 white lines within scan. (extract of circuit diagram attached)
• White screen, no picture. At start up displays 1 and after 5 secs 88, no function possible 5V OK, 20V OK.
• Horizontal line runs from top to bottom and distorts picture. (with circuit diagram extract)
• Channel indication flashing 1, will not tune or adjust. (FF502 SABA repair tip)
• Channel 60 and high channels flicker. U6 (30V) is low. (picture attached)
• Red coloured spot at the bottom left of the screen.
• Non-linear. Cramped at top. (with circuit diagram extract)
• Occasionally the video signal is reversed. (with circuit diagram extract)
• Snowy picture after 20 mins. (+ extract of circuit diagram)
• Rolling coloured and white lines. (part of circuit diagram displayed)
• No sound at switch on. (FF502 SABA repair tip)
• Set blocks (operation via RC or via user control only possible, after the set has been switched off and on again by mains switch.
• Blows 1.6A fuse. (with circuit diagram extract)
• Switches to protection mode. after start-up.
• Remote control operation problem. Microprocessor memory and new quartz. New remote control. Remote control information reception on the microprocessor.
• No video signal. Sound and TXT display OK.
• After working for a while, RVB lines appear at the top of the screen. (SABA - FF502 information)
• Black screen. All the voltages are correct. The sound, line transformer and the G2 are ok but the screen remains black.
• Powers up, LED flashing once.
• Monochrome picture when AUX selected on IMC receiver.
• Sound is lost intermittently.
• Dark picture. (with circuit diagram extract)
• U system voltage table.
• No colour in SECAM. Functions in PAL via scart. (FF502 SABA repair tip)
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Channels have shifted (test picture on channel 33, channel no. 42 displayed).
• Failure to switch on from standby unless programme "UP" button is used.
• No audio.
• Poor focus on picture or TXT. Low brightness and badly smeared. (extract of circuit diagram attached)
• Reduced horizontal size (intermittently). (extract of circuit diagram attached)
• Moire effect in the colour areas.
• Appliance functions in VHF but not in UHF. Snow is present.
• No switch on. When switching off with mains switch LED switches on then off.
• No or low start-up volts at IL14.
• Brightness varies until there is a dark picture.
• TP24 blown when appliance goes into standby.
• The sound cuts out when warm.
• Only rainbow effect (picture foldover). (FF502 tip from SABA)
• Difficulty starting up. When started up it functions for a few mins. (+ extract of circuit diagram)
• No picture only on 3 channels (eg. nothing on 1, 3 and 6 but picture on 2 and 5) after warming up for 10 mins. This problem disturbs other TVs plugged into the same aerial. (+ extract of circuit diagram)
• No channel storing. (+ extract of circuit diagram)
• Menu display in wrong language.
• Trips after 15-20 mins. (extract of circuit diagram attached)
• Horizontal line. at top. (picture attached) (FF502 SABA repair tip)
• No colour when cold.
• LED remains on when set switched on.
• When switching on with RCU, appliance does not react unless you are approx 1m away from it.
• Intermittent flashing lines on screen. Picture OK with scart input. (with circuit diagram extract)
• Hum bar. (picture attached)
• Crackling audio.
• Intermittently switches off ten consecutive times or just once. Mostly switches on again automatically. No LEDs lit when switching off.
• No contrast. (+ extract of circuit diagram)
• White screen. Flyback lines.
• Picture is split in two like an aerial echo on all channels even on cable channels.
• Spitting noise from speaker. Intermittent digital sound. NICAM LED's go out.
• Dead. Standby LED lit . (FF502 SABA repair tip)
• Appliance trips or RL44 burns up.
• Unable to tune in fully.
• Signal and tuning are missing.
• NICAM sound drops out. NICAM indicators flash as sound cuts out. (FF502 tips)
• No voltage on varicaps. (picture attached)
• Top half picture blank, bottom half bright flyback lines.
• Picture shifted vertically. (part of circuit diagram displayed)
• Crackling sound on "Nicam".
• Part number info: power supply repair
• No audio.
• Black, green, pink, blue screen after start-up for 1 min, then goes to normal. (SABA - FF502 information)
• In time picture increasingly wanders down the screen.
• Shuts down. after start-up.
• Poor grey scale. Dominates in black and white. (part of circuit diagram displayed)
• Frame jumping or twitching. (extract of circuit diagram attached)
• Maladjusted convergence on the top quarter of the picture.
• Appliance trips and shuts down, sound or raster is missing.
• No display on screen. Black line which moves around instead. TXT is not synchronised. When changing channel a black band appears at the top of the screen displaying V1 then disappears. (part of circuit diagram displayed) (SABA - FF502 information)
• Intermittently switches between programme 1 and AUX. (extract of circuit diagram attached) (FF502 SABA repair tip)
• Power supply goes into safety mode. (picture attached)
• When TV is switched on in standard G, standard cannot be modified. (with circuit diagram extract)
• Pulsates once with line transformer then line BU blows and power supply pulsates twice. When line transformer starts up for the first time, arcing between deflector and tube.
• Power supply doesn't start up.
• Receives no HF signals. Tape switch over is not possible.
• No picture or the picture blows. (with circuit diagram extract)
• No sound and occasionally the mute function is activated.
• Shuts down.
• Brightness varies. (picture attached)
• Colour bleeding.
• Line amplitude is too strong and there is a problem with the east/west cushion.
• After switch on power supply pulsates three times. (picture attached)
• Blurred colour blobs on screen.
• Improving the reliability of TP24 (S2000 or BU508). (with circuit diagram extract)
• No channel storing. (picture attached)
• Automatically changes channels and goes into standby.
• No NICAM sound.
• Chroma fault in Secam. (extract of circuit diagram attached) (FF502 tip from SABA)
• Poor start up, RC must be pressed for a long time. (with circuit diagram extract)
• Dark picture. Poor adjustment of sound. (extract of circuit diagram attached)
• Starts up three times then switches off. (FF502 tips)
• Fades out or very dim.
• No sound or picture. Teletext functions. Static discharge. New appliance.
• Intermittent audio.
• Switching transistor TP24 fails repeatedly.
• Blows TP24 and/or TL31. (extract of circuit diagram attached) (FF502 tip from SABA)
• At switch on RC must be held at least 40cm from the appliance. If appliance runs, all other functions work perfectly from 4-5m away. (extract of circuit diagram attached)
• Appliance switches over between VHF and UHF, instead only noise in the picture.
• Picture is missing, random lines on screen.
• No picture. No audio. when changing channels.
• Part number info: Processors (service info for SABA -FF502)
• Does not start up, no standby. Voltage on TP48 C 0V, Bet E 7.35V. Voltage 300 on CP03 OK.
• Height of picture shifted below centre of screen. (with circuit diagram extract)
• No tuning, OSD or TXT.
• Partial blanking of video info. (with circuit diagram extract)
• Teletext displays page 100 only.
• HT value. (FF502 tips)
• Incorrect horizontal linearity, right part of test pattern is wider than left.
• TV functions but the displays are erased after a few secs.
• When the appliance switches off, a spot appears on the screen. (picture attached)
• Picture and sound disappear after approx 5-10 minutes. Not heat-sensitive.
• Coloured flyback lines over picture. (+ extract of circuit diagram)
• At switch on by ON/OFF switch EHT is heard for 1 sec. then goes dead. No display, no LED. (FF502 SABA repair tip)
• No colour. (part of circuit diagram displayed)
• Nicam is intermittent. (FF502 SABA repair tip)
• Goes into safety 3 times.
• Distortion in the south. Distortion starting at both sides and going to a third of the tube. Fault in the shape of a curve whose extremities are the corners of the tube. (with circuit diagram extract) (FF502 tips)
• Loud tripping noise from the output stage. Trips three times then dies. (extract of circuit diagram attached)
• A useful note with these appliances.
• Heavy patterning on picture. Turning colour down patterning disappears, but the B/W picture has silvery effect on white areas.
• Tuner cutting out occasionally.
• Picture becomes yellow intermittently. No reaction to shocks. (part of circuit diagram displayed)
• Cut-off adjustment.
• SAT switch over is defective.
• Remains blocked in PAL.
• Line tearing. (part of circuit diagram displayed)
• Vertical fault.
• No text, sound muted. (+ extract of circuit diagram)
• No high voltage or line signal control. (picture attached)
• Lines in picture. No colour. No RC functions.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• No red in picture or TXT. (picture attached)
• No picture. Centre section of white line just visible at top centre of screen. (with circuit diagram extract)
• Vertical lines are jagged. (+ extract of circuit diagram)
• Loss of memory. All program sites on C00.
• Blocked on channel no 1 in manual and in RCU. (SABA - FF502 information)
• Power supply does not start up. No standby. 5V present. IR01 is ok. TEA2029 is ok. No oscillation on the primary circuit.
• Poor audio.
• Faulty TXT.
• Sound distorted when volume increased.
• No picture content. After switching on bright picture with colour flecks, same picture without HF signal. Sound OK.
• Back cover anti-vibration kit. (SABA - FF502 information)
• Teletext graphics are incorrect with black bars down the screen.
• No EHT or power supply when switched on. 7V=6.3V.
• In cold state of the television receiver, the thyristor DL21 (ESM740G) in the vertical stage may not switch on. (with circuit diagram extract)
• Appliance has no HF reception. Snowy picture. (part of circuit diagram displayed)
• Lines from top to bottom of screen.
• Changes between standby and ON mode. (part of circuit diagram displayed)
• Top half of picture has squiggling verticals which alter with field shift/height. Picture may blank out with coloured lines dependent upon vertical shift position, accompanied by rasping noise from PSU!
• Poor audio.
• Channels 1, 2, 3 and 4 ok but teletext is green. (picture attached)
• No picture. No audio (intermittently).
• No correct reading on the display.
• Switched mode chopper transistor blows fuse at switch on. (with circuit diagram extract)
• Only rainbow effect (picture foldover).
• No start up. No drive pulse for PSU Pin 7 IC14 (TEA2029). (part of circuit diagram displayed)
• Black screen. Switches to RGB in Canal Plus. Sound OK.
• No red in picture or TXT. (+ extract of circuit diagram) (service info for SABA -FF502)
• Service Info: Unlocking the code lock.
• Only a horizontal line at the bottom. (with circuit diagram extract)
• Cannot change channels. (picture attached)
• Impossible to select bands. Tuner UHF OK. OK via scart. Signal present.
• No HV. (with circuit diagram extract)
• Bright picture after 2 secs from start-up and no contrast. After 5 secs picture is OK.
• Intermittent sound from right-hand speaker.
• Appliance has no HF reception. Snowy picture. (with circuit diagram extract)
• When appliance is switched on by the mains switch, the TV starts up for a moment, then goes into standby. Does not start up from the RCU.
• Only white noise, channel LEDs do not light up.
• Brightness problem, display works well but no variation. Contrast and colour ok. Clock data and enable data ok.
• The brightness control display may switch off.
• Clicking on NICAM. (SABA - FF502 information)
• No picture, sound o.k. High voltage and power supply in good order.
• Accepts tuning channel number but does not alter tuning.
• Very faint and bright picture via tuner. Picture ok via scart via a VCR.
• Constant red, green and blue line scanning.
• No reception and the display is in German.
• Trips 3 times.
• Channel display does not correspond to the channels received. eg. displays CH52 when 43 is received.
• CTV loses its programming when there is a power cut. What is the value the battery must charge at ? (SABA - FF502 information)
• Protection circuit comes into force inappropriately.
• Line BU blows after some time. (SABA - FF502 information)
• No TXT. No tuning. No OSD. (picture attached) (FF502 tip from SABA)
• Pulsating picture. (+ extract of circuit diagram)
• No normal sound just white noise. NICAM OK.
• Intermittent loud "thump" from speaker.
• No SECAM. Only PAL, even adjusting it to SECAM F. Remains in PAL. OK via scart.
• Deprogramming due to static loads.
• No tape-end shut off, changing IT20 and IR01 does not cure the problem, no reception on all channels only white shimmer.
• No operation (intermittently). (FF502 tip from SABA)
• Mains transistor TP24 (S2000AF) blown straight after being turned on.
• Wrong display. Low light with no picture or sound.
• Moire effect in the colour areas.
• No picture. Sound will not tune. (picture attached)
• VHF band 1 fails occasionally. Snow and sizzling in the sound. Band 3 and high channels are ok.
• NICAM sound crackles and is distorted.
• Protection mode activated. Standby LED flashes .
• White lines in the middle of the screen, which is black. (part of circuit diagram displayed)
• TP24, TP16, TP19, TP11 and fuse blow. TL31 ok.
• Intermittent colour when setting picture geometry.
• Uncontrollable brightness with flyback lines.
• No audio. No picture. (with circuit diagram extract)
• Line tearing in TXT.
• Intermittently no adjustment of sound with RC. RC OK. IR receiver OK.
• Only rainbow effect (picture foldover).
• The channel frequency shifts for 3 seconds then shifts again. (part of circuit diagram displayed)
• Unstable picture. in UHF.
• Lines in picture. at top. (extract of circuit diagram attached)
• Occasionally there is a luminance problem when warm. (picture attached)
• No tuning. Channel display flashes. (part of circuit diagram displayed)
• Wavy ripples from side to side. (with circuit diagram extract)
• Blurred picture, fine adjustment does not adjust sufficiently.
• Only rainbow colours. Picture foldover. (part of circuit diagram displayed)
• No raster. (extract of circuit diagram attached)
• Switches off by itself. intermittently.
• Random OSD characters all over screen. (picture attached)
• Switches to standby. after start-up (intermittently).
• Field collapse with RGB lines at top of picture. (with circuit diagram extract)
• Channel raster has shifted by two or more channels.
• Part number info: power supply repair
• Sound reduction. It sometimes returns when changing channels.
• Loses programmes. Sometimes does not start up. Wrong display.
• High pitch whistle on sound, varies with volume mainly on IBA transmission but can occur on BBC as well.
• Poor vertical linearity.
• Empty lines in top part of picture.
• No blue on TXT. Picture OK. (extract of circuit diagram attached)
• All rails are very low, 3V on 158V (158 reads 500 Ohm).
• Poor Teletext page number.
• No channel storing.
• No colour, no brightness. Only one colour on TXT or certain colours are missing.
• Trips then shuts down.
• Black bar. at top and bottom. (+ extract of circuit diagram)
• 3 to 4 pulses of line transformer then nothing.
• No audio.
• Volume alters by itself or sound is distorted.
• Does not store programmes.
• Green screen. (+ extract of circuit diagram)
• Poor quality sound in FM, ok in AM.
• ICC7 chassis. N/S correction does not function properly. Initially no function.
• When increasing contrast or on bright video scenes, chroma disappears and 1 or 2 vertical fine black lines appear on left of screen. (FF502 SABA repair tip)
• Reduced vertical deflection.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• Line whistle. (with circuit diagram extract)
• In cold state of the television receiver, the thyristor DL21 (ESM740G) in the vertical stage may not switch on.
• No start up of PSU. 300V present.
• No picture. (extract of circuit diagram attached)
• Channel tuning possible up to channel 45. 5 is obtained on channel 39 and afterwards no fine tuning possible. Eg. 2 on channel 59.
• Popping noise from speakers at switch on. (FF502 tips)
• Defective frequency plan.
• Only the green LED on.
• Power supply fuse blown. (part of circuit diagram displayed)
• Very poor colour. Looks like indent fault.
• Slight picture jitter in the vertical synchronisation. (+ extract of circuit diagram)
• After an hour dark screen, no sound, display is correct. The display remains on the channel selected then a moment afterwards goes into standby.
• Flyback rasters on screen. No picture, no sound. Display on the front is ok.
• Looks like crt low emission. (+ extract of circuit diagram)
• Contrast is low in text mode, TV and mix modes are ok. (FF502 tip from SABA)
• After two minutes graphics appear on screen showing "nicam and mono" flickering and affecting audio reception. (part of circuit diagram displayed)
• No FS tuning. (picture attached)
• All programme numbers tuned to the same channel.
• Dark screen dark with vertical bright flyback lines. Picture suddenly appears leaving 2" band at top. (with circuit diagram extract)
• Picture interference at the top and bottom, which changes with the line amplitude. (with circuit diagram extract)
• At switch on, raster linearity fault for 1-2 minutes.
• RC part number.
• TV cuts out intermittently. No sound. (picture attached)
• Chopper transistor is defective intermittently. (extract of circuit diagram attached)
• Dark picture with 3 RGB lines. Sound available.
• Unable to enter channel number. (picture attached)
• Smokes then switches off. (extract of circuit diagram attached) (FF502 tip from SABA)
• No picture. White screen with an oscillating interference signal. (picture attached) (SABA - FF502 information)
• Horizontal lines.
• Dead. Standby LED does not light. Standby LED lit . No RC functions. (picture attached)
• Reduced horizontal size. (part of circuit diagram displayed)
• Field collapse across centre of screen. Hum bar may drift down screen about 1 hour before field collapses.
• Occasional tuning drift and breakup of picture.
• Volume changes by itself or sound is distorted.
• Excessive HV.
• No NICAM sound. Normal sound OK.
• No channel storing.
• Red raster. Flyback lines. (extract of circuit diagram attached)
• Sound pops. (service info for SABA -FF502)
• At switch on, goes into standby and impossible to get out of it. After 5 mins, appliance starts up by itself and functions well. If stopped for a few secs, it works normally.
• Service info: Function of the E/W stage.
• Poor reception. in UHF. Hum in audio.
• No off-air luma. TXT OK.
• No colour. (picture attached)
• RP42 blowing. (+ extract of circuit diagram)
• Power supply shuts down. Line drive pulls HT down. (service info for SABA -FF502)
• PSU collapses/cuts off. (picture attached)
• Variable sound and picture crackling with snow.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• Spare part no. info: Power supply repair kit.
• No PLL locking when the appliance is switched on. The power supply from TDA6316A is 4.4V instead of 5.1V. (part of circuit diagram displayed)
• Narrow horizontal lines in the picture. (+ extract of circuit diagram)
• In the picture appear black lines similar to lightning. Fault is not visible via scart. (service info for SABA -FF502)
• Blank screen with out of focus blob in bottom centre of screen.
• Functions in PAL. Does not take the Secam standard. (with circuit diagram extract)
• Intense patterning on picture, silvering effect on all white areas.
• Hum bar drifts down picture then field collapses after approx 1hr. (with circuit diagram extract) (service info for SABA -FF502)
• Standard does not change. Channel search is ok.
• Channels 1, 2, 3 and 4 ok but teletext is green.
• Switches to protection mode. intermittently.
• No line drive. (with circuit diagram extract)
• No picture, only flyback raster visible with distorted raster.
• No channel storing.
• No N/S correction. (extract of circuit diagram attached)
• Protective circuit malfunction.
• RC part number.
• The picture goes wrong all the time in the vertical direction. A black band appears at the bottom. The capacitors at the level of the raster IC are ok. Solder joints have been redone. (FF502 SABA repair tip)
• Remains in PAL when cold.
• Automatically comes out of TXT mode leaving a dull, uncontrasted picture. (with circuit diagram extract)
• Colour cuts out occasionally.
• Programming impossible but responds in SERVICE mode.
• The power supply blocks.
• No colour in PB from a Ferguson FV26D VCR when VCR is positioned under the TV.
• Various breakdowns due to U1=7V.
• The display indicates 88.
• No B-Y. (with circuit diagram extract)
• Channel numbers cannot be entered.
• No Canal Plus decoding.
• Only rainbow colours (picture running through).
• No tuning. (part of circuit diagram displayed)
• Stop function does not function in teletext, but always jumps back to the memorized page. (with circuit diagram extract)
• Terrestrial channel in background of Satellite transmission. (SABA - FF502 information)
• White screen with flyback lines. Beam current limiter fault G2. A450VT has already been adjusted.
• Resistor RP01 on the power supply module burns.
• White line approx 10 cm from top of picture. Other functions ok.
• NS pincushion distortion. More at the bottom than at the top. (service info for SABA -FF502)
• TV does not start up. Power supply does not decouple.
• Sharp picture but negative and pale. Service mode OK.
• Trips. NICAM lights appear to flash. (with circuit diagram extract)
• Colour bleeding.
• Video disappears and comes back after a few seconds. Sound present.
• Line output transistor TL31 fails. Works for days sometimes weeks. (part of circuit diagram displayed) (service info for SABA -FF502)
• No sound or raster. (with circuit diagram extract)
• Picture lacks blue colour until the brightness is turned up, then blue flares across the picture. (part of circuit diagram displayed)
• No sound. No picture. No OSD. Only purity spots. (SABA - FF502 information)
• Replaced small transformer which was burning but TV remains in standby and FBT crackles for 5-6 secs then nothing.
• Trips three times at start up. (service info for SABA -FF502)
• TV deprogrammes, starts up again then remains in PAL. It is impossible to display S2 standard.
• Power supply transistor blows up at switch on. (extract of circuit diagram attached)
• White dotted line appears on the left of the picture in VHF/Band I reception. (picture attached)
• Intermittent large noise bands. Picture OK via SCART socket.
• Intermittent motorboating noise on sound. (FF502 SABA repair tip)
• Bright picture. Flyback lines.
• Picture is almost dark, colours are weak and the Y-signal is too weak.
• No sound on NICAM sets. (SABA - FF502 information)
• Cycles on/off.
• TP24 is defective. (+ extract of circuit diagram)
• Appliance has no HF reception. Snowy picture. (picture attached)
• Will not go into standby cleanly when hot, it will pulse between standby and on 5/6 times before finally staying in standby.
• Appliance blocks in PAL. Operates in video cassette and channel. Telecom display is abnormal. L equals sound, H equals light and F equals colour.
• When cold trips 3 times with crackling in the speaker, then safety mode. When warm trips then starts up. (picture attached) (FF502 SABA repair tip)
• Only channel 21 is received in UHF. Picture and sound ok in VHF. Displays the correct channels.
• Height reduces. Creeps up from bottom. (part of circuit diagram displayed)
• No stereo reception on channel 60. (SABA - FF502 information)
• Picture appears slowly. (picture attached)
• Sound pulses.
• Weak blue until the brightness is turned up, but then blue flares. (extract of circuit diagram attached)
• Blank raster. Flyback lines. (+ extract of circuit diagram)
• Pincushion potentiometer PG08 acts as width control. (+ extract of circuit diagram)
• No stereo reception on channel 60.
• Part no. info.: RC.
• Receives no HF signals. Band switch over is not possible. (extract of circuit diagram attached) (service info for SABA -FF502)
• Moire pattern. after warm-up. (service info for SABA -FF502)
• No field scan when switched on from cold. Field output thyristor DL21 may not operate. (part of circuit diagram displayed)
• Corrupted TXT page number. (part of circuit diagram displayed)
• No picture at switch-on. Sound OK. Picture may return intermittently. (part of circuit diagram displayed)
• If a channel is programmed, the programme reappears and the appliance goes to safety mode. (extract of circuit diagram attached)
• Line transformer vibration on white pictures.
• No raster deflection. No picture, only vague light in background. Looks like coloured spot at bottom of picture. No start up.
• Intermittent fault. The TV stops and even the standby light has gone out. Starts up again by itself.
• The sound disappears when the appliance is warm.
• Intermittent trip/chopper failure.
• Picture appears to pulse or flutter.
• No sound or picture. Dark screen. FBT functions. Filament tube is lit up. In scart with a VCR normal sound but no picture. Raster appears faintly when the TV is switched off then switched on again immediately.
• TL31 heats up and blows after 5 mins.
• Spare part no. info: Power supply repair kit. (FF502 tip from SABA)
• Vertical roll. Vertical foldover at bottom. (extract of circuit diagram attached)
• Does not start up. 142V on line collector S2000, the standby LED scarcely lights up when appliance is switched off, a priori no diodes s/c.
• No sound or picture. Scanning not very apparent, greenish, flyback lines. Functions occasionally in scart.
• No picture. Lines in picture. intermittently. (with circuit diagram extract)
• Black raster. 1/2in of picture. (+ extract of circuit diagram)
• No power supply. Standby light comes on then goes off.
• No raster with text board fitted. (picture attached) (FF502 SABA repair tip)
• Intermittent loss of channels from memory after switching on again. (extract of circuit diagram attached)
• Service information: Function of the E/W stage.
• Programme indicator "1" flashes but will not tune. (FF502 SABA repair tip)
• Black and white picture if the receiver is on "Auxiliary".
• Thump from speaker intermittently.
• No audio. STEREO OK . (FF502 SABA repair tip)
• Loss of stored settings: Tuning, picture or sound.
• Loud crackling noise from right hand side at switch on.
• Sometimes CTV starts up and functions. When the CTV is functioning, it stops then starts up again all by itself.
• Cables to be connected on the vertical deflector.
• No picture. Audio OK . (part of circuit diagram displayed)
• Intermittent NICAM sound.
• The appliance remains in PAL. (picture attached)
• No sound or vision. (extract of circuit diagram attached)
• No TXT. Muted audio. (extract of circuit diagram attached)
• OSD doubled in height. (picture attached) (SABA - FF502 information)
• General information.
• Ticking noise on sound and intermittent sound mute.
• No sound via scart and Canal Plus.
• PSU does not start up. standby point is visible for a short time.
• Blank screen. Rolling lines around top. (part of circuit diagram displayed)
• No HF signals received. Band switch over is not possible. (FF502 tip from SABA)
• No RC functions (intermittently). (part of circuit diagram displayed)
• Type of memory battery. (extract of circuit diagram attached)
• Poor focus. (part of circuit diagram displayed)
• Shifts 8 channels after being put back into service mode. (FF502 tips)
• Variable sound and picture crackling with snow.
• Distorted text page numbers.
• PSU and high voltage pump three times. (extract of circuit diagram attached)
• Pincushion distortion. (part of circuit diagram displayed)
• Picture height below the centre of the screen.
• No audio.
• Hiss in audio.
• No channel tuning in search mode.
• After operating for 5 mins in black and white, it loses G2 and turns mauve.
• No colour in Secam, ok in Pal. RGB ok.
• Line output transistor fails repeatedly. at start-up.
• Volume changes by itself or sound is distorted.
• No HT supplies from DP41, DP37 and DP32. (extract of circuit diagram attached)
• Crackle effect on sound. Intermittent lines across picture. (+ extract of circuit diagram)
• Channel 60 and special channels flicker. U6 (30V) is too low.
• No horizontal deflection (intermittently).
• Poor picture and sound synchronisation. Moire effect on the picture. Occasionally there is no sound or picture.
• Occasionally no start up. Protective circuit sets in. No soft start. (extract of circuit diagram attached)
• Dark screen with some RGB lines at the bottom of the screen and whistling near the FBT. Capacitor 1000/40V has been changed but fault persists. FBT has been changed but dark screen with hum then goes into safety mode. (FF502 tips)
• Intermittent audio.
• Picture from the bottom to the middle of the screen. Not possible to adjust the vertical amplification. Black screen to the middle of the screen then picture from the middle to the bottom of the screen.
• No signal.
• Desynchronisation of the OSD when changing channel or "display line adjustment" display circulates on the screen and is illegible. (with circuit diagram extract)
• No channel storing. (FF502 tip from SABA)
• No or slight sound on the right and/or left tracks.
• Interchangeability of teletext boards between chassis ICC5 and ICC5.01.
• Service info: Function of E/W stage.
• No blue. in TXT. Picture OK .
• Drifts at switch on after 2 mins.
• Distorted verticals only on top.
• Black patch on left hand side, approx 1/3 of picture. (with circuit diagram extract)
• No vertical deflection. intermittently.
• Intermittent power up; line at top. (with circuit diagram extract)
• After changing transformer LP03 burns. TL31 disconnected, 7V on DP37 and 145V on DP41 OK. BU508AT5 has been replaced by BU508A but fault still persists.
• Vertical deflection. Rotating lines in the lower third of the picture.
• No horizontal synchronisation. when changing channels. (part of circuit diagram displayed)
• The TV may function for several days then cut out. VHT is present, black screen and the display indicates standby mode.
• Channel programming is impossible. The channels are defective on the display.
• No picture no sound, EHT ok. (with circuit diagram extract)
• No brightness (intermittently).
• Black box appears instead of clock on channel change or when adjusting volume on IMC models.
• Reduced width and width control has little or no effect. (with circuit diagram extract)
• AGC problems. Poor reception. (picture attached)
• Spare part no. info: Power supply repair kit.
• No picture just scanning lines. Incorrect frame speed. (+ extract of circuit diagram)
• No HV (intermittently).
• Arcing at switch on. CTV trips 3 times then stops.
• Part number info: processors
• How to disable key code.
• Part number info: power supply repair kit
• No brightness.
• Vertical collapse. (picture attached)
• Loss of red. (extract of circuit diagram attached)
• Ticking noise on sound with intermittent mute.
• No vertical synchronisation. (picture attached)
• Switches off for a short time then returns on programme 1 (early F15 chassis).
• No switching possible in standard LL. (+ extract of circuit diagram)
• Slow start-up. (extract of circuit diagram attached)
• Channel tuning number does not correspond to the frequency required. (extract of circuit diagram attached)
• Black lines appear on the screen. (part of circuit diagram displayed)
• Picture white out.
• Negative picture, striped and running through in UHF. OK in VHF.
• No picture, white screen and there is an erasing problem after one hour.
• No STEREO reception on channel 60.
• No focus. (picture attached)
• No audio.
• S2000 in power supply defective after a few mins.
• TL17 shorts at start up.
• Snow in picture. intermittently.
• Poor grey scale. TXT too bright. (part of circuit diagram displayed)
• No switch on at all. No standby LED or programme display on front panel. (part of circuit diagram displayed)
• No synchronisation. (with circuit diagram extract)
• No display. after a few seconds. AV OK .
• Horizontal collapse. (with circuit diagram extract)
• Sound is very distorted on both channels when cold like when warm. All the other functions are normal.
• No vertical deflection. Burning smell. (picture attached)
• Part number info: power supply repair
• Unstable picture. Horizontal interference on the screen. The sound crackles.
• Does not always start up. Standby light flashes. Loses memory.
• No tuning (after a few minutes).
• Incorrect TXT graphics. Black bars displayed down screen.
• No blue. (part of circuit diagram displayed)
• Scanning on the screen is visible on a part of the screen. The programme number display is correct. (part of circuit diagram displayed)
• Teletext moves vertically. Appliance functions very well when Teletext is not displayed.
• No picture, only faint coloured areas. (with circuit diagram extract)
• Dead (after start-up).
• No STEREO reception on channel 60. (FF502 SABA repair tip)
• No RC functions. after warm-up.
• After replacing IV21, picture is too wide. Slight geometry fault.
• RC part number. (FF502 tip from SABA)
• No audio. (part of circuit diagram displayed)
• Blue picture. Line at top. (part of circuit diagram displayed)
• At switch on, after 15 secs, dark screen with a few horizontal white lines between the middle and top of screen. Picture returns with geometry fault, if PG08 is turned. Sound ok.
• Stuck in standby. (with circuit diagram extract)
• No red in graphics display. (extract of circuit diagram attached)
• No Y-picture or colour.
• No sound or signal.
• Service info: Unlocking the code lock.
• No sound. No vertical or horizontal scanning. Just a blue line.
• RV82 (10R) on tube board blows repeatedly.
• Pincushion potentiometer PG08 controls picture width.
• Operation OK. Dark screen, no sound. RCU OK. As in AV position no snow or thermal tube noise. (+ extract of circuit diagram)
• Occasionally the picture is red with flyback lines.
• No UHF, VHF reception. Similar picture without an aerial.
• HT is low at approx. 152V and has intermittent tripping.
• No tuning.
• Occasional raster desynchronisation.
• Picture lacks height "top and bottom " and width "left and right". No correction possible. E/W distortion. (part of circuit diagram displayed)
• No line oscillation. (part of circuit diagram displayed)
• High pitch whistle on sound, varies with volume mainly on IBA transmission but can occur on BBC.
• Power supply switches off.
• Appliance switches off sporadically and immediately starts again. After 3 times it can only be started by the mains switch. Fault occurs according to the picture content 2 to 20 times per day. (service info for SABA -FF502)
• No signal.
• Does not switch standards, remains in PAL.
• Low brightness. (part of circuit diagram displayed) (FF502 tip from SABA)
• Only 1/4 inch of picture at left hand side. Remainder of picture blank.
• Missing B-Y. (FF502 SABA repair tip)
• Vertical interference line (1/2cm wide) at left of picture on low channels.
• Dead. Standby dot lights up for 1 sec. at switch off. (service info for SABA -FF502)
• Sound ok, raster blue with flyback lines. (picture attached) (service info for SABA -FF502)
• Weak signal. (part of circuit diagram displayed)
• White noise only. No channel LEDs. (extract of circuit diagram attached)
• Moire pattern. when cold.
• No STEREO reception on channel 60. (+ extract of circuit diagram)
• Loud noises from speaker (at switch-off).
• No centering adjustment toward bottom. (SABA - FF502 information)
• Blurred coloured blobs on screen. (with circuit diagram extract)
• No start-up. (extract of circuit diagram attached)
• No reception. No UHF or VHF. Channels are displayed correctly. (FF502 tip from SABA)
• No picture appears in PAL.
• TP24 fails after first EHT pulse.
• Picture visible in one inch strip at left side of screen, rest is blanked. (extract of circuit diagram attached) (FF502 SABA repair tip)
• Service info: Unlocking the code lock.
• Vertical rolling, will not lock with adjustment of the potentiometer.
• After 5 mins stations disappear. Wrong characters with the volume OSD. Colours and size change.
• The picture only appears after about 3 or 4 minutes and then turns red or blue.
• Only rainbow colours (vertical deflection).
• No UHF reception, displays channel.
• In safety mode after working for a long time appliance trips then stops. Display off.
• Failure to change channels, no memory of channel data.
• Green screen. (FF502 tips)
• Poor base command. TL31 at -0.4V instead of -0.8V, correct format.
• Picture geometry problems.
• No PIP.
• No RC functions. (with circuit diagram extract)
• Vertical pinching fault on the picture and vertical linearity fault. (part of circuit diagram displayed) (service info for SABA -FF502)
• No stereo reception on channel 60.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• Rolling colours and white lines.
• Relaxation of the power supply. If point 8 of the THT is opened, the 110V voltage returns. (+ extract of circuit diagram)
• Channel 60 and special channels flicker. U6 (30V) too low.
• Disable electronic lock.
• Stops at random, standby LED off. Start up again possible by ON/OFF switch. (+ extract of circuit diagram)
• No sound, no picture. Weak brightness. Flyback lines if G2 pushed. No functions from TV front panel. (FF502 tip from SABA)
• Fuse FP05 (1.6A) blows sporadically without any obvious reason after an extended running time (approx 1-2 months). After replacing appliance runs perfectly again.
• No audio. after a while. No raster. after a while. Trips. Shuts down. (+ extract of circuit diagram) (FF502 SABA repair tip)
• No reception or sound. Brightness is OK.
• Tripping. Arcing. Burning smell. (picture attached)
• No signal or goes snowy after 1 hour. (+ extract of circuit diagram)
• No 22V line but ok when DP43 removed.
• Rainbow effect on lower picture edge, otherwise no picture.
• No sound or picture except in scart. (+ extract of circuit diagram)
• PSU does not oscillate correctly. (with circuit diagram extract) (service info for SABA -FF502)
• Picture is very dark. Picture is visible only by the predominant areas of red and blue. (service info for SABA -FF502)
• No stereo reception on channel 60. (+ extract of circuit diagram)
• Dead. (picture attached)
• No audio.
• No sound, picture is ok.
• Flickering picture. No picture. after a few minutes. (part of circuit diagram displayed)
• No sound or picture. No digits lit on display except STEREO and STEREO S2 lit.
• No sound at switch on. Sound returns when channel is changed. Fault only occurs at start up.
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• No synchronisation. TXT OK .
• Interference in picture. Audio OK . (part of circuit diagram displayed)
• Colour flashing in and out. (picture attached)
• The 1.6A fuse is open circuit. (picture attached)
• No start up. The standby light comes on then goes off straight away when stop function is requested. ***MODIFY PAGE ACCORDING TO FRENCH.*** (FF502 tip from SABA)
• No functions. Standby LED lit . (with circuit diagram extract)
• No audio.
• Trips 3 times then shuts down. (picture attached)
• Severe patterning like white sparklies. (with circuit diagram extract)
• The appliance does not work with the remote control, but requests from the appliance are accepted.
• No picture (intermittently). (+ extract of circuit diagram)
• Vertical displacement of approx 5cm towards the top of the screen when warm.
• Start up is difficult and occasionally impossible with the IR remote control.
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Intermittent tripping, display ok. Possible start up again via On/Off switch.
• Field collapse to approx 12 lines in centre of screen. (picture attached)
• Dark picture and no picture content, no display, only standby dot. (extract of circuit diagram attached)
• Failure of LG11 in line output circuit. (part of circuit diagram displayed) (FF502 SABA repair tip)
• V2 voltage.
• No audio.
• Crackling audio. intermittently. (SABA - FF502 information)
• Excessive green. (picture attached)
• No stereo LED operation. (FF502 SABA repair tip)
• Low FM audio, high background noise.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch. (SABA - FF502 information)
• Cabinet back cover vibrates at certain audio frequencies.
• No picture (after a few minutes).
• U5 voltage incorrect.
• Malfunctioning AGC adjustment. (extract of circuit diagram attached) (SABA - FF502 information)
• No standard switch over. No SECAM.
• Diagonal RGB lines across screen. Poor field scan. (part of circuit diagram displayed)
• Colour bleeding.
• Picture is dark and no picture content, no display, only standby dot (line drive ok). (picture attached) (FF502 tip from SABA)
• Intermittent switch between programme 1 and AUX. (SABA - FF502 information)
• Loses channel 1.
• Colour picture via the tuner, black and white in scart.
• Off-air luminance is missing, text is ok.
• Blank raster. White and RGB lines at bottom of screen. (with circuit diagram extract)
• Intermittently unlocked colour.
• No picture. A flyback is apparent when you increase the G2. (with circuit diagram extract)
• No signal. after a few minutes. (FF502 tips)
• Stuck in standby when switched off into standby using RC.
• No tuning of channels. Switching programmes OK, but when channel is pressed, channel does not flash.
• Noisy sound on both channels (dependent on the volume setting).
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• No power supply and the stand-by light is lit on. (service info for SABA -FF502)
• Power supply switches off, breaker circuit doesn't start up even with continuous attempts to start up. (SABA - FF502 information)
• Intermittently blocks in AV. The channels remain displayed on the display. (service info for SABA -FF502)
• Receiver goes off after tripping of power supply.
• No green. (extract of circuit diagram attached)
• Cannot be switched over from all channels.
• Switches off a few times each evening after replacing transformer. Intermittently switches on again after a while. Sometimes needs to be switched on again.
• No picture and strange glow at top of picture. (picture attached)
• Display flashes and turns dark. Channel displayed but cannot be adjusted. RC OK.
• Replacing BU508, BU508AV, S2000A, S2000A2 and TP24.
• Short lived line output transformer. (+ extract of circuit diagram)
• Part number info: power supply repair
• Intermittent loss of colour while setting up picture geometry.
• No standard switching. Blocked on PAL. (extract of circuit diagram attached)
• Loss of light after 15 minutes.
• Disable electronic combination lock.
• The appliance switches off automatically and loses its station memory.
• No LL' switching when you press C of the remote control.
• No programming.
• Intermittent colour.
• PSU trips three times then powers down. Standby LED lit briefly at switch on. (picture attached)
• Various video faults. (extract of circuit diagram attached)
• With audio module black picture with unstable green bars. Without an audio module snowy picture but no reception.
• RC part number.
• After two-three hours the sound crackles very loudly. Model (51K5) Nicam .
• Volume changes by itself or distorted sound.
• Blanking lines in the top part of the picture.
• Picture reduced to the top half of the screen with a linearity fault. Light pulsates and flyback raster on some lighter pictures. Scanning returns to normal occasionally when changing channels. (+ extract of circuit diagram)
• OSD only functions in PAL.
• The appliance starts up after a few mins.
• Vertical collapse. at top.
• Sound from right channel is missing.
• Shade gradually becomes purplish. Ok at start up. Degaussing ok.
• Only colour info visible. No Y signal.
• VHF is ok, no UHF or very little. (service info for SABA -FF502)
• Volume changes by itself or distorted sound.
• No picture. intermittently.
• No UHF channels. when cold. (FF502 tips)
• Some text pages not available. (+ extract of circuit diagram)
• No colour (via SCART).
• Child lock.
• No functions. (with circuit diagram extract)
• No picture. via tuner.
• Loud noises from speaker (at switch-off).
• Blurry picture.
• Power supply of the control micro is too low (micro has been changed). 3 Volts, CTV does not start up.
• No OSG, (on screen graphics). Although no OSG, picture functions can still be altered.
• Intermittent loss of colour. Worse when warm.
• PSU fails in various conditions.
• Teletext clock stops. Each 5cm high part of the picture is missing. (+ extract of circuit diagram)
• Picture has shifted horizontally. Sound available only every 2 secs. Picture and sound OK via AV.
• Dark picture with bright lines. Sound OK.
• PSU trips 3 times then shuts down. (extract of circuit diagram attached)
• When going into standby with RC, impossible to start operating again with the RC and light flashes after a few moments. (with circuit diagram extract)
• Loud noises from speaker (at switch-off).
• No clock signal in 14 of the IV21. No Y signal in 41 of the IV21 and no light.
• Crackling, occasionally squealing after operating for approximately 20 mins.
• Reduced vertical deflection. at bottom.
• Colour bleeding. (FF502 tips)
• No NICAM sound, normal sound ok.
• Signal and sound are missing.
• Colour flashing in and out.
• Picture is too dark - coloured edges on the right.
• Line at the bottom, no picture. Rattling. (+ extract of circuit diagram)
• The PSU switches 3 times, line transformer, E/W diodes, U4 and U5 are ok.
• Low FM sound. High background noise.
• RC part number.
• Trips after warming up for a few minutes. (picture attached)
• Sound OK on Canal Plus. No luminance when using decoder.
• Vertical roll. (part of circuit diagram displayed)
• No vertical text lock. (with circuit diagram extract)
• No audio.
• TP24 gets hot and short circuits. Poor base command.
• Intermittent colour.
• No TXT. Intermittently low contrast picture in TXT mode. (extract of circuit diagram attached) (FF502 tip from SABA)
• Black rapid flashing.
• Memory loss. after a while.
• TL29 fails in B and C after start up.
• No channel storing.
• Moire effect in the colour areas.
• Colour cuts out occasionally.
• Clicking on NICAM.
• Code lock.
• No AGC.
• Impossible to go into SECAM. (picture attached)
• No colour (intermittently). (with circuit diagram extract)
• Screen is very snowy.
• Weak UHF and VHF reception.
• Snowy picture. After 3 mins picture returns to normal. (FF502 tip from SABA)
• A1 voltage.
• No IF signal from tuner.
• Channels drift after start-up. (+ extract of circuit diagram) (FF502 SABA repair tip)
• No grey scale. Functions in SCART. (SABA - FF502 information)
• No audio.
• Goes into black and white, flyback lines then stops. Dead. Starts up again 2 or 3 times then cuts out completely.
• Part number info: processors.
• Colour fails occasionally.
• No picture. Single lines approx 2ins apart. Raster appears if height or field shift adjusted. (picture attached)
• Part number info: processors
• Goes into standby and cannot be turned on using RC; OK when channel up button on set is pressed for approx 8 secs. (extract of circuit diagram attached)
• The picture jumps when the appliance is warm and moves downwards. (service info for SABA -FF502)
• Random clicks with Nicam sound. (SABA - FF502 information)
• Shuts down (intermittently). (with circuit diagram extract)
• No start up with RC. Functions OK with RC when switched on manually.
• Wavy picture on right side. Switches off after 5 to 10 mins. (extract of circuit diagram attached) (FF502 SABA repair tip)
• The picture amplitude is too small. The whole of the picture is recorded in the lower half of the screen.
• Vertical lines run over the whole screen. (+ extract of circuit diagram)
• No TXT (intermittently).
• No standby light when put into standby and impossible to start up again, except when starting up from the control panel.
• Bottom of picture stretches intermittently. E/W effect.
• No channel storing.
• No stereo reception on channel 60.
• Poor reception. Pieces of OSD appear erratically on display. No menu display.
• Poor channel reception and channels 59 and 62 are replaced by snow. Occasionally reception is correct.
• With a 220V/100W load or with line connected, power supply stops but functions with the line disconnected.
• Does not store settings.
• Pop at switch on.
• Loud noises from speaker (at switch-off). (FF502 SABA repair tip)
• Picture may distort if TT module fitted.
• No reception.
• Stations drift off tune by channel input. Can only be adjusted by fine tuning.
• After operating for a few minutes, channels 59 and 62 disappear: picture is replaced by snow.
• Picture is green, red or blue with flyback lines. (extract of circuit diagram attached)
• Sound pops.
• At switch off, loud noises from the speaker.
• Snowy raster.
• Bright screen for short period of time, after this just snow confusion and crackling noises in sound.
• Intermittent field collapse. Bright flyback lines rolling at centre of screen 3ins high. (+ extract of circuit diagram)
• Occasionally the appliance is blocked. (with circuit diagram extract)
• The TV locks in low range frequency. (extract of circuit diagram attached)
• No audio (after start-up).
• Loss of channel 1. (SABA - FF502 information)
• Spare part no. info: Power supply repair kit.
• Thumping noise from one channel at switch on.
• RC part number.
• No sound. Good picture then goes into stand-by after 5 mins then starts up again after pressing a channel number 3 or 4 times.
• All adjustments at zero (brightness, colour, contrast). Channels are also at zero. Adjustments can be made at 50 but they are lost during standby or ON/OFF. (part of circuit diagram displayed)
• Occasionally colour fails.
• Picture detuned on all channels. (FF502 SABA repair tip)
• No or intermittent picture. via RF output. OK via SCART . (with circuit diagram extract) (FF502 tip from SABA)
• Storage battery explodes HD404918 A08
• Dead. Standby LED flashes . (+ extract of circuit diagram) (FF502 tip from SABA)
• There is 145V instead of 170V and there is too much L/T amplitude.
• No V1, V2 or VS supplies.
• No sync on TXT and sound. Mixed mode OK.
• No sound. Hiss only. (FF502 SABA repair tip)
• Channel raster has shifted by two or more channels. (part of circuit diagram displayed)
• No TXT. Command is received but not carried out. Picture does not turn black.
• Smearing in picture. (+ extract of circuit diagram)
• Only rainbow colours (vertical deflection error). (+ extract of circuit diagram)
• No horizontal amplification.
• No blue just smeary.
• Appliance has no HF reception. Snowy picture. (FF502 tip from SABA)
• Line output transistor fails repeatedly.
• Colour bleeding.
• No horizontal deflection.
• Intermittently noise breaks through on NICAM sound.
• No picture. There is a white raster on the right of the screen.
• Loud crackling noise from right hand loud speaker at switch on.
• Loud noises from speaker (at switch-off).
• No UHF switching voltage or programme reception. (extract of circuit diagram attached)
• Standby LED flashing in standby mode.
• Sometimes the sound mutes.
• Line transformer does not start up.
• No channel storing. (part of circuit diagram displayed)
• Program site is displayed but the appropriate picture does not appear. If fine tuning is activated, picture appears.
• Tuning drifts (after a while).
• TV goes off and switches on again three times then goes into safety mode.
• Approx 3cm at top of picture has coloured lines. (with circuit diagram extract)
• Poor horizontal synchronisation. when changing channels.
• The channel display is incorrect (eg.when receiving channel 36, the display shows channel 38). (picture attached)
• No TXT, although control shows appliance is in TXT.
• Vertical stability fault. Picture revolves as it moves up the screen. No sound with scart. TV goes into standby after 5 mins as if there were no transmission.
• Mains switch does not lock on.
• Rainbow effect on picture. Flyback lines. (with circuit diagram extract)
• At start up, time base and EHT for a moment then cuts out. No standby light on.
• Colour cuts out occasionally.
• Occasionally colour fails.
• Red picture (after a while).
• Random flashing of lines on screen.
• Rainbow on the screen.
• Brightness of display is adjustable.
• Picture shifted vertically. at bottom. (with circuit diagram extract)
• Sound makes a noise on both channels and is dependent on the volume setting.
• No UHF or VHF on the tuner. Pin 6 of the UHF on 33V permanently.
• Intermittent loud distortion, a bit like motorboating. More likely to occur at high volume settings.
• Replacement of the diode split transformer in old chassis ICC5 and new chassis ICC5-01.
• Channel 60 and special channels flicker. U6 (30V) is too low.
• No picture or PLL operation. There are vertical interference bars present. (with circuit diagram extract)
• Does not change channels. (with circuit diagram extract)
• Only rainbow colours (picture foldover). (SABA - FF502 information)
• Part number info: Processors
• Memory loss.
• Screen is blank with rolling lines at the top.
• Excessive brightness. Flyback lines. (extract of circuit diagram attached)
• Receives no HF signals. Band change is not possible.
• No colour (intermittently).
• Functions well but occasionally picture turns grainy as if there was a reception fault. Occasionally 5 and 6 disappear. IF screening ok.
• Flyback lines. at top. (with circuit diagram extract)
• The very high tension is intermittent.
• No sound or picture. Dark screen. In scart with a VCR, normal sound but no picture. Raster appears faintly when the TV is switched off then switched on again immediately.
• White wavy line across the middle of picture 1in wide. (extract of circuit diagram attached)
• Accepts channel number but will not tune.
• Intermittently goes into TXT mode. (picture attached)
• No picture and screen is dark. Safety function does not work. (with circuit diagram extract)
• Dead (after lightning strike). (picture attached)
• Intermittent dead. Can be OK for days. (with circuit diagram extract)
• Part number info: RC
• After deprogramming, followed by a reprogramming, TV functions but the channels have each increased by 9 units. Eg.: 2nd channel is 49 instead of 40. Hence it is impossible to receive channel 62. (SABA - FF502 information)
• The video fails with the decoder syster. No problem with the old decoder.
• Tripping. (extract of circuit diagram attached)
• Sound only at maximum volume.
• Blank screen. Coloured spots rising from bottom. (with circuit diagram extract)
• No synchronisation (intermittently). (service info for SABA -FF502)
• Distorted sound, balance off centre, supersound and NICAM defective.
• Loud noises from speaker (at switch-off).
• Interchangeability of teletext boards between chassis ICC5 and ICC5.01.
• Sound pulsing off and on Nicam lights flashing.
• Poor start up performance of the power supply. (extract of circuit diagram attached)
• Intermittent audio. (SABA - FF502 information)
• Spare part no. info: Power supply repair kit.
• The appliance switches to BG standard.
• Intermittent crackling in the picture (horizontal black lines).
• Colour fails occasionally.
• Poor colour.
• No picture, picture appears after each channel change then disappears a few seconds later. Sound ok. (picture attached)
• No function. PAUSE LED is lit.
• Fuse and power supply transistor defective.
• Loud noises from speaker (at switch-off).
• Primary power supply fails under load. (part of circuit diagram displayed)
• Sound interruption and/or crackling.
• Horizontal rotating lines approx 5-8cm high. (with circuit diagram extract)
• Sound VHT is correct but there is no picture and the screen is black.
• Low HV. (with circuit diagram extract)
• Dead (intermittently). (picture attached)
• No scanning. When appliance is switched on green bars then they disappear. FBT is ok. Function is ok. (FF502 tip from SABA)
• Occasionally dead, then snow. Goes into standby by the RCU and only starts up again after 30 secs.
• Anomaly due to built in switch.
• PSU starts up 1 time out of 10. At switch off, green dot lights up and then goes out.
• Picture has severe distortion at top and bottom. Changes with line amplitude. (extract of circuit diagram attached) (service info for SABA -FF502)
• No switch on from main switch or via RC.
• Moire effect and no sound for a few moments. (with circuit diagram extract)
• Intermittent crackle on sound. (FF502 tip from SABA)
• In safety mode there is no high level on the Ger. point if the disconnection of the line raster deflector and power supply is correct.
• No picture and no direct display of the channel possible. Picture shifts. (service info for SABA -FF502)
• Switches to standby (after a few seconds). (extract of circuit diagram attached)
• Picture height is shrivelled to 10cm. A few rolling horizontal lines in the middle of the picture.
• Green picture.
• Replacement of uP HD 404019 A05.
• TXT functions for only 2 secs on high VHF. Functions OK on low VHF low and S channels.
• No audio.
• Channel raster has shifted by two or more channels. (picture attached)
• Unstable operation of the oscillator.
• No or poor synchronisation. (+ extract of circuit diagram)
• Popping noise at switch on. (Nicam model).
• Colour fails occasionally.
• Occasionally static discharge. (SABA - FF502 information)
• Appliance has no HF reception. Snowy picture.
• No sound except on the headphones and the scart plug.
• IG01 (TDA4950) fails repeatedly. (with circuit diagram extract)
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Echo on picture.
• No colour.
• No brightness. Audio OK .
• No audio. after a few minutes. No picture. after a few minutes. (extract of circuit diagram attached) (FF502 SABA repair tip)
• RF14 burns up. (with circuit diagram extract)
• Loss of red.
• Vertical lines pulling at the top of the picture.
• Switches on, but HV does not build up.
• Picture appears after 1.5 mins when cold and after 25 mins when warm (picture attached)
• OSD rolls. (part of circuit diagram displayed)
• There is a moire effect on the screen for a short while and no sound.
• Voltage U5 21V goes to 35V when appliance is warm. Vertical displacement. The other EHT secondary voltages are stable.
• Thin black lines across picture. Intermittent arcing. (part of circuit diagram displayed)
• No IF signal from the tuner.
• No tuning possible. Hum in VHF. Channel display correct.
• VHF band 1 occasionally fails. Snow and sizzling noise in sound. Band 3 and high channels are ok.
• Picture jumps and vertical distorsion according to video content, mostly on second station, channel 21. Intermittent fault.
• Low gain.
• No search possible, snow.
• Intermittent loss of raster at switch on with white lines at the top. Flyback raster when acting on PG08 or when going to AV.
• Loss of memory when you switch off the TV and in standby you need to be 5cm from the TV to start it up again despite the TV operating well. Battery is ok. (FF502 SABA repair tip)
• No sound. TV cuts out after 10 minutes. Sound board OK.
• Moire effect in the colour areas.
• Faulty raster. Vertical jitter. (part of circuit diagram displayed)
• Ticking noise. Muted audio. intermittently.
• Spare part no. info: power supply repair kit.
• Service information: Function of E/W stage. (service info for SABA -FF502)
• TV just displays LOCK.
• No picture. Loss of 1 or more colours. (FF502 SABA repair tip)
• Intermittently when changing channel, black bars and no picture on channel 23. (extract of circuit diagram attached) (FF502 tip from SABA)
• Four vertical lines in upper picture area.
• Picture jitters.
• Functions in Pal but snowy screen in Secam. (part of circuit diagram displayed)
• Picture shifted vertically. at top. (FF502 tips)
• Display isn't synchronised and has black horizontal line on picture instead which disappears when pressing TV key on RC but comes back again. (FF502 tips)
• Poor chrominance of black/white with colour at zero.
• Power supply switches off for a short time (hiccup) when channel is switched over. (FF502 tips)
• Ringing in picture. on the left. (picture attached)
• Loss of memory. Crackle in sound. Flashing picture. Distorted µPC. No sound only noise. No stereo reception. Does not always start up. Wrong values which cannot be changed. Wrong colours and distorted PIP-function.
• Intermittent NICAM sound. (part of circuit diagram displayed)
• Switches off then starts up again, mostly when cold. When TV works, sound mute and background noise, but sound reappears at channel switch over.
• Flickering on channel 60 and on special channels.
• Does not switch on and no standby.
• Intermittent unlocked colours. (FF502 SABA repair tip)
• Crackling audio. Snow in picture. (part of circuit diagram displayed)
• No start-up (intermittently). (picture attached)
• Reduced vertical and horizontal size.
• Line tearing/ragging on TXT and OSD. TV picture OK. (with circuit diagram extract)
• Faulty raster. (part of circuit diagram displayed)
• VCR problems.