FF480 / SABA [TV (Standard)]

• Intermittent crackling in the picture (horizontal black lines).
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Picture interference at the top and bottom, which changes with the line amplitude. (picture attached)
• Clicking on NICAM.
• Intermittent colour.
• No audio.
• Horizontal line. at top. (part of circuit diagram displayed)
• After two minutes graphics appear on screen showing "nicam and mono" flickering and affecting audio reception. (picture attached) (FF480 SABA repair tip)
• Fuse and power supply transistor defective.
• IG01 (TDA4950) fails repeatedly. (extract of circuit diagram attached)
• Only rainbow effect (picture foldover).
• Appliance blocks in PAL. Operates in video cassette and channel. Telecom display is abnormal. L equals sound, H equals light and F equals colour.
• Intermittently switches between programme 1 and AUX. (extract of circuit diagram attached)
• Off-air luminance is missing, text is ok.
• Popping noise from speakers at switch on.
• Loss of memory. All program sites on C00.
• No synchronisation. (+ extract of circuit diagram)
• Brightness varies until there is a dark picture.
• Service information: Function of the E/W stage.
• Does not start up, no standby. Voltage on TP48 C 0V, Bet E 7.35V. Voltage 300 on CP03 OK.
• Stuck in standby. (part of circuit diagram displayed)
• The picture jumps when the appliance is warm and moves downwards.
• PSU collapses/cuts off. (with circuit diagram extract)
• No audio.
• Poor channel reception and channels 59 and 62 are replaced by snow. Occasionally reception is correct.
• No EHT or power supply when switched on. 7V=6.3V.
• Channel raster has shifted by two or more channels.
• Thumping noise from one channel at switch on.
• Dead (after start-up).
• No UHF switching voltage or programme reception. (part of circuit diagram displayed)
• Coloured flyback lines over picture. (extract of circuit diagram attached)
• Switches to protection mode. after start-up.
• No red in picture or TXT. (picture attached)
• No OSG, (on screen graphics). Although no OSG, picture functions can still be altered.
• No 22V line but ok when DP43 removed.
• Flyback rasters on screen. No picture, no sound. Display on the front is ok.
• Power supply does not start up. No standby. 5V present. IR01 is ok. TEA2029 is ok. No oscillation on the primary circuit.
• Occasionally the picture is red with flyback lines. (FF480 tips)
• Programme indicator "1" flashes but will not tune.
• When going into standby with RC, impossible to start operating again with the RC and light flashes after a few moments. (part of circuit diagram displayed)
• Replacement of the diode split transformer in old chassis ICC5 and new chassis ICC5-01.
• Weak blue until the brightness is turned up, but then blue flares. (extract of circuit diagram attached)
• How to disable key code.
• Power supply shuts down. Line drive pulls HT down.
• Spare part no. info: Power supply repair kit.
• Intermittent audio.
• Protection circuit comes into force inappropriately.
• Teletext clock stops. Each 5cm high part of the picture is missing. (+ extract of circuit diagram)
• Picture is too dark - coloured edges on the right.
• Protective circuit malfunction.
• Looks like crt low emission. (extract of circuit diagram attached)
• No brightness.
• No channel storing.
• Unstable operation of the oscillator.
• Dead (after lightning strike). (picture attached)
• Poor picture and sound synchronisation. Moire effect on the picture. Occasionally there is no sound or picture.
• When cold trips 3 times with crackling in the speaker, then safety mode. When warm trips then starts up. (with circuit diagram extract)
• Horizontal lines.
• Low brightness. (extract of circuit diagram attached)
• No audio.
• Low gain.
• Sound pulsing off and on Nicam lights flashing.
• Blue picture. Line at top. (+ extract of circuit diagram)
• Picture appears slowly. (part of circuit diagram displayed)
• TL17 shorts at start up.
• No picture (after a few minutes).
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• Maladjusted convergence on the top quarter of the picture.
• TV just displays LOCK.
• Non-linear. Cramped at top. (part of circuit diagram displayed)
• No sound except on the headphones and the scart plug.
• Poor quality sound in FM, ok in AM.
• Noisy sound on both channels (dependent on the volume setting).
• Intermittent flashing lines on screen. Picture OK with scart input. (+ extract of circuit diagram)
• No sound or picture. Teletext functions. Static discharge. New appliance.
• Blank screen. Rolling lines around top. (picture attached)
• Intermittently no adjustment of sound with RC. RC OK. IR receiver OK.
• No vertical text lock. (part of circuit diagram displayed)
• Rainbow on the screen.
• Moire effect in the colour areas.
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Only rainbow colours (picture foldover).
• Chroma fault in Secam. (part of circuit diagram displayed)
• No HT supplies from DP41, DP37 and DP32. (part of circuit diagram displayed)
• TV does not start up. Power supply does not decouple.
• 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 scanning. When appliance is switched on green bars then they disappear. FBT is ok. Function is ok.
• Ticking noise on sound with intermittent mute.
• No sound or picture. No digits lit on display except STEREO and STEREO S2 lit.
• Occasionally there is a luminance problem when warm. (+ 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. (with circuit diagram extract)
• 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.
• HT value.
• Switches off then starts up again, mostly when cold. When TV works, sound mute and background noise, but sound reappears at channel switch over.
• White lines in the middle of the screen, which is black. (part of circuit diagram displayed)
• Line tearing/ragging on TXT and OSD. TV picture OK. (picture attached)
• Standby LED flashing in standby mode.
• No horizontal amplification.
• Intermittently unlocked colour.
• No text, sound muted. (extract of circuit diagram attached)
• 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.
• Poor Teletext page number.
• Rolling colours and white lines.
• V2 voltage. (FF480 tips)
• Hiss in audio.
• Does not store settings.
• Loss of red. (part of circuit diagram displayed) (service info for SABA -FF480)
• Popping noise at switch on. (Nicam model). (service info for SABA -FF480)
• 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.
• No audio. (FF480 tip from SABA)
• Smearing in picture. (picture attached)
• Channel raster has shifted by two or more channels. (with circuit diagram extract)
• No TXT, although control shows appliance is in TXT.
• Height of picture shifted below centre of screen. (picture attached)
• Negative picture, striped and running through in UHF. OK in VHF.
• Programming impossible but responds in SERVICE mode.
• Weak UHF and VHF reception.
• No audio.
• No synchronisation (intermittently).
• Brightness varies. (extract of circuit diagram attached)
• Colour drop-out.
• Only colour info visible. No Y signal.
• Poor audio.
• Loud noises from speaker (at switch-off).
• Occasionally the video signal is reversed. (extract of circuit diagram attached)
• No NICAM sound. Normal sound OK.
• The display indicates 88.
• Bright picture. Flyback lines.
• White wavy line across the middle of picture 1in wide. (with circuit diagram extract)
• Brightness problem, display works well but no variation. Contrast and colour ok. Clock data and enable data ok. (FF480 SABA repair tip)
• The appliance switches to BG standard.
• Poor grey scale. TXT too bright. (extract of circuit diagram attached)
• Colour bleeding.
• TP24 gets hot and short circuits. Poor base command. (SABA - FF480 information)
• No start up. The standby light comes on then goes off straight away when stop function is requested. ***MODIFY PAGE ACCORDING TO FRENCH.***
• With audio module black picture with unstable green bars. Without an audio module snowy picture but no reception.
• Intermittently blocks in AV. The channels remain displayed on the display.
• Black screen. All the voltages are correct. The sound, line transformer and the G2 are ok but the screen remains black.
• No picture content. After switching on bright picture with colour flecks, same picture without HF signal. Sound OK.
• Dead. LED blinks .
• Channel raster has shifted by two or more channels. (picture attached)
• Colour flashing in and out.
• Random clicks with Nicam sound. (FF480 tip from SABA)
• No Y-picture or colour. (FF480 SABA repair tip)
• No picture. Sound will not tune. (+ extract of circuit diagram)
• Blurry picture. (FF480 SABA repair tip)
• Narrow horizontal lines in the picture. (extract of circuit diagram attached)
• White screen with flyback lines. Beam current limiter fault G2. A450VT has already been adjusted.
• Poor colour.
• No sound or raster. (with circuit diagram extract)
• Moire effect in the colour areas. (FF480 SABA repair tip)
• Unable to enter channel number. (extract of circuit diagram attached)
• After changing the CRT base, there is HT flashover which appears as crackling sound and flickering picture.
• Picture geometry problems.
• 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.
• Intermittent colour.
• No or low start-up volts at IL14.
• Line whistle. (picture attached)
• PSU starts up 1 time out of 10. At switch off, green dot lights up and then goes out.
• Sound interruption and/or crackling. (FF480 SABA repair tip)
• Vertical rolling, will not lock with adjustment of the potentiometer.
• No signal or goes snowy after 1 hour. (extract of circuit diagram attached)
• Trips when aerial is inserted. (+ extract of circuit diagram)
• Blurred coloured blobs on screen. (with circuit diagram extract)
• No picture or PLL operation. There are vertical interference bars present. (part of circuit diagram displayed)
• Snowy picture. After 3 mins picture returns to normal.
• Part number info: Processors
• No sound or picture except in scart. (+ extract of circuit diagram)
• High pitch whistle on sound, varies with volume mainly on IBA transmission but can occur on BBC.
• Service info: Function of E/W stage.
• Improving the reliability of TP24 (S2000 or BU508). (with circuit diagram extract)
• No V1, V2 or VS supplies.
• TV cuts out intermittently. No sound. (part of circuit diagram displayed)
• No correct reading on the display.
• Black screen. Switches to RGB in Canal Plus. Sound OK.
• Sound pops.
• Picture height is shrivelled to 10cm. A few rolling horizontal lines in the middle of the picture.
• No start-up (intermittently). (extract of circuit diagram attached)
• Voltage U5 21V goes to 35V when appliance is warm. Vertical displacement. The other EHT secondary voltages are stable.
• The picture amplitude is too small. The whole of the picture is recorded in the lower half of the screen.
• Failure of LG11 in line output circuit. (picture attached)
• No high voltage or line signal control. (picture attached) (FF480 tips)
• No focus. (picture attached)
• Appliance trips or RL44 burns up.
• Faint white lines rolling up and down picture. Slight cross-modulation effect on off-air signal. (part of circuit diagram displayed)
• Power supply goes into safety mode. (picture attached) (FF480 SABA repair tip)
• Cut-off adjustment.
• Random flashing of lines on screen.
• 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.
• Poor chrominance of black/white with colour at zero.
• No blue on TXT. Picture OK. (picture attached)
• There is a moire effect on the screen for a short while and no sound.
• Black, green, pink, blue screen after start-up for 1 min, then goes to normal.
• Thin black lines across picture. Intermittent arcing. (picture attached)
• How to disable key code.
• No AGC.
• White line approx 10 cm from top of picture. Other functions ok. (FF480 tips)
• NS pincushion distortion. More at the bottom than at the top.
• Only white noise, channel LEDs do not light up.
• No colour (intermittently). (picture attached)
• All programme numbers tuned to the same channel. (service info for SABA -FF480)
• Green picture.
• There is 145V instead of 170V and there is too much L/T amplitude.
• Colour fails occasionally.
• Vertical lines pulling at the top of the picture.
• Empty lines in top part of picture.
• Functions well but occasionally picture turns grainy as if there was a reception fault. Occasionally 5 and 6 disappear. IF screening ok.
• No programming.
• Does not switch on and no standby.
• Dead. Standby dot lights up for 1 sec. at switch off.
• Only rainbow colours. Picture foldover. (+ extract of circuit diagram)
• Channel programming is impossible. The channels are defective on the display.
• Heavy patterning on picture. Turning colour down patterning disappears, but the B/W picture has silvery effect on white areas.
• Only rainbow effect (picture foldover). (FF480 tip from SABA)
• No switch on. When switching off with mains switch LED switches on then off.
• No reception.
• Intermittently when changing channel, black bars and no picture on channel 23. (extract of circuit diagram attached)
• Poor vertical linearity.
• Switches to standby. after start-up (intermittently).
• Part number info: power supply repair
• Slight picture jitter in the vertical synchronisation. (part of circuit diagram displayed) (service info for SABA -FF480)
• No TXT (intermittently).
• No STEREO reception on channel 60. (with circuit diagram extract)
• Chopper transistor is defective intermittently. (picture attached)
• No picture. Single lines approx 2ins apart. Raster appears if height or field shift adjusted. (with circuit diagram extract)
• Dead apart from "88" in display. (part of circuit diagram displayed)
• Primary power supply fails under load. (part of circuit diagram displayed)
• Severe patterning like white sparklies. (picture attached)
• No picture and strange glow at top of picture. (picture attached)
• Replacing BU508, BU508AV, S2000A, S2000A2 and TP24.
• Occasionally the appliance is blocked. (with circuit diagram extract)
• Reduced vertical deflection. (FF480 tip from SABA)
• Protection mode activated. Standby LED flashes .
• No picture. A flyback is apparent when you increase the G2. (+ extract of circuit diagram)
• Intermittently switches off ten consecutive times or just once. Mostly switches on again automatically. No LEDs lit when switching off.
• Failure to switch on from standby unless programme "UP" button is used.
• Picture shifted vertically. at bottom. (+ extract of circuit diagram)
• Lines from top to bottom of screen.
• Display flashes and turns dark. Channel displayed but cannot be adjusted. RC OK.
• Loud noises from speaker (at switch-off).
• Cycles on/off.
• Appliance has no HF reception. Snowy picture. (with circuit diagram extract)
• No audio. (+ extract of circuit diagram)
• No signal. after a few minutes.
• No sound via scart and Canal Plus.
• Random OSD characters all over screen. (+ extract of circuit diagram)
• At switch on by ON/OFF switch EHT is heard for 1 sec. then goes dead. No display, no LED.
• No STEREO reception on channel 60.
• Picture jitters.
• Drifts at switch on after 2 mins.
• The sound cuts out when warm.
• Moire effect and no sound for a few moments. (extract of circuit diagram attached)
• Trips after warming up for a few minutes. (extract of circuit diagram attached)
• No stereo reception on channel 60. (extract of circuit diagram attached)
• No sound or signal.
• 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.
• Interchangeability of teletext boards between chassis ICC5 and ICC5.01.
• Deprogramming due to static loads. (FF480 SABA repair tip)
• Snowy picture after 20 mins. (picture attached)
• Crackling audio. Snow in picture. (picture attached)
• Sometimes CTV starts up and functions. When the CTV is functioning, it stops then starts up again all by itself.
• Teletext moves vertically. Appliance functions very well when Teletext is not displayed.
• Sound makes a noise on both channels and is dependent on the volume setting. (FF480 tips)
• Four vertical lines in upper picture area.
• Changes between standby and ON mode. (extract of circuit diagram attached)
• Loud noises from speaker (at switch-off).
• No stereo reception on channel 60.
• Poor audio. (FF480 tips)
• Line tearing. (picture attached)
• Switches off by itself. intermittently.
• TV deprogrammes, starts up again then remains in PAL. It is impossible to display S2 standard.
• Green screen. (part of circuit diagram displayed)
• S2000 in power supply defective after a few mins.
• Sound is very distorted on both channels when cold like when warm. All the other functions are normal.
• Weak signal. (picture attached)
• Video disappears and comes back after a few seconds. Sound present.
• Approx 3cm at top of picture has coloured lines. (picture attached) (FF480 SABA repair tip)
• At switch off, loud noises from the speaker.
• Functions in PAL. Does not take the Secam standard. (with circuit diagram extract) (FF480 tip from SABA)
• Lines in picture. at top. (part of circuit diagram displayed)
• Vertical deflection. Rotating lines in the lower third of the picture.
• No tuning possible. Hum in VHF. Channel display correct.
• PSU fails in various conditions.
• Volume changes by itself or distorted sound.
• No tuning.
• No contrast. (+ extract of circuit diagram)
• Snow in picture. intermittently.
• No stereo reception on channel 60.
• Trips. NICAM lights appear to flash. (with circuit diagram extract)
• Appliance has no HF reception. Snowy picture. (picture attached)
• Occasionally no start up. Protective circuit sets in. No soft start. (part of circuit diagram displayed) (FF480 tips)
• Terrestrial channel in background of Satellite transmission.
• No channel storing.
• Impossible to select bands. Tuner UHF OK. OK via scart. Signal present. (FF480 tip from SABA)
• No sound. TV cuts out after 10 minutes. Sound board OK.
• Low HV. (part of circuit diagram displayed) (FF480 tip from SABA)
• Horizontal line runs from top to bottom and distorts picture. (part of circuit diagram displayed)
• No brightness (intermittently). (service info for SABA -FF480)
• No picture, sound o.k. High voltage and power supply in good order.
• Black bar. at top and bottom. (with circuit diagram extract)
• No audio.
• Loses channel 1. (FF480 tips)
• U5 voltage incorrect.
• Incorrect TXT graphics. Black bars displayed down screen.
• Picture is dark and no picture content, no display, only standby dot (line drive ok). (+ extract of circuit diagram)
• VHF band 1 fails occasionally. Snow and sizzling in the sound. Band 3 and high channels are ok.
• Picture lacks blue colour until the brightness is turned up, then blue flares across the picture. (part of circuit diagram displayed)
• Blank screen. Coloured spots rising from bottom. (picture attached)
• Intermittent motorboating noise on sound.
• Corrupted TXT page number. (part of circuit diagram displayed)
• Appliance switches over between VHF and UHF, instead only noise in the picture.
• A1 voltage. (FF480 tip from SABA)
• Variable sound and picture crackling with snow.
• No tuning. (with circuit diagram extract)
• No start up of PSU. 300V present.
• Vertical fault.
• Trips 3 times then shuts down. (extract of circuit diagram attached)
• No audio.
• No power supply. Standby light comes on then goes off.
• Black raster. 1/2in of picture. (part of circuit diagram displayed) (FF480 SABA repair tip)
• Intense patterning on picture, silvering effect on all white areas.
• No function. PAUSE LED is lit.
• Channel tuning possible up to channel 45. 5 is obtained on channel 39 and afterwards no fine tuning possible. Eg. 2 on channel 59.
• Picture has severe distortion at top and bottom. Changes with line amplitude. (+ extract of circuit diagram)
• Remote control operation problem. Microprocessor memory and new quartz. New remote control. Remote control information reception on the microprocessor.
• No signal.
• Does not switch standards, remains in PAL.
• Resistor RP01 on the power supply module burns.
• No IF signal from tuner.
• Pincushion potentiometer PG08 acts as width control. (picture attached)
• The TV locks in low range frequency. (part of circuit diagram displayed)
• Picture is split in two like an aerial echo on all channels even on cable channels.
• Impossible to go into SECAM. (with circuit diagram extract)
• Automatically comes out of TXT mode leaving a dull, uncontrasted picture. (with circuit diagram extract)
• The sound disappears when the appliance is warm.
• Picture appears to pulse or flutter.
• No colour.
• RC part number.
• No audio.
• Volume changes by itself or distorted sound.
• Intermittent tripping, display ok. Possible start up again via On/Off switch.
• 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. (picture attached)
• Partial blanking of video info. (+ extract of circuit diagram)
• Intermittent audio.
• Mains transistor TP24 (S2000AF) blown straight after being turned on.
• Anomaly due to built in switch.
• Contrast is low in text mode, TV and mix modes are ok.
• Poor grey scale. Dominates in black and white. (+ extract of circuit diagram)
• Cannot be switched over from all channels.
• TXT functions for only 2 secs on high VHF. Functions OK on low VHF low and S channels. (FF480 SABA repair tip)
• Intermittent NICAM sound.
• Blanking lines in the top part of the picture.
• Line tearing in TXT.
• In cold state of the television receiver, the thyristor DL21 (ESM740G) in the vertical stage may not switch on. (picture attached) (FF480 SABA repair tip)
• OSD doubled in height. (with circuit diagram extract)
• Vertical lines are jagged. (picture attached)
• Line BU blows after some time.
• Dark picture and no picture content, no display, only standby dot. (picture attached) (FF480 tips)
• 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.
• Vertical collapse. at top.
• Pincushion distortion. (+ extract of circuit diagram)
• Random clicks with Nicam sound.
• Variable sound and picture crackling with snow.
• No sound on NICAM sets. (FF480 tips)
• TP24 is defective. (extract of circuit diagram attached)
• No audio. STEREO OK .
• After replacing IV21, picture is too wide. Slight geometry fault. (service info for SABA -FF480)
• Poor reception. in UHF. Hum in audio.
• OSD only functions in PAL.
• Sharp picture but negative and pale. Service mode OK.
• Blank raster, sound + EHT OK, no r.g.b. Out of IV21 (HA11498). (+ extract of circuit diagram)
• At switch on, raster linearity fault for 1-2 minutes.
• Volume changes by itself or sound is distorted.
• Reduced horizontal size (intermittently). (part of circuit diagram displayed)
• Hum on picture and noisy chopper transformer.
• Low FM audio, high background noise.
• No red on TXT. Picture OK.
• Wrong display. Low light with no picture or sound.
• Picture height below the centre of the screen.
• Child lock.
• Switches on, but HV does not build up.
• Power supply transistor blows up at switch on. (with circuit diagram extract)
• No synchronisation. TXT OK .
• No picture. There is a white raster on the right of the screen.
• After operating for a few minutes, channels 59 and 62 disappear: picture is replaced by snow.
• No line oscillation. (with circuit diagram extract)
• 1Khz tone breaking onto NICAM sound. OK in mono mode. (SABA - FF480 information)
• Loss of channel 1.
• Intermittent audio.
• White screen, no picture. At start up displays 1 and after 5 secs 88, no function possible 5V OK, 20V OK.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• No start up. No drive pulse for PSU Pin 7 IC14 (TEA2029). (extract of circuit diagram attached)
• Low FM sound. High background noise.
• No picture. via tuner.
• No channel storing.
• White screen. Flyback lines.
• The very high tension is intermittent.
• Vertical roll. (+ extract of circuit diagram) (FF480 tip from SABA)
• 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.
• Service info: Unlocking the code lock. (FF480 tip from SABA)
• Blank screen with coloured dots/interference and possible smell of over heating.
• A useful note with these appliances.
• SAT switch over is defective.
• Appliance functions in VHF but not in UHF. Snow is present.
• Ticking noise. Muted audio. intermittently.
• Constant red, green and blue line scanning. (SABA - FF480 information)
• The PSU switches 3 times, line transformer, E/W diodes, U4 and U5 are ok.
• No raster. (part of circuit diagram displayed) (FF480 tip from SABA)
• Trips three times at start up.
• Part number info: power supply repair kit
• No red in graphics display. (picture attached)
• RC part number.
• No picture. No audio (intermittently).
• The power supply transformer trembles. (with circuit diagram extract)
• Picture appears after 1.5 mins when cold and after 25 mins when warm (part of circuit diagram displayed)
• No video signal. Sound and TXT display OK. (FF480 tips)
• No HV. (+ extract of circuit diagram)
• Spare parts information - Part reference for TP24 and TL31. (FF480 tip from SABA)
• Unstable picture. Horizontal interference on the screen. The sound crackles.
• The TV may function for several days then cut out. VHT is present, black screen and the display indicates standby mode.
• Picture jumps and vertical distorsion according to video content, mostly on second station, channel 21. Intermittent fault. (FF480 SABA repair tip)
• CTV loses its programming when there is a power cut. What is the value the battery must charge at ?
• The appliance remains in PAL. (with circuit diagram extract)
• AGC problems. Poor reception. (part of circuit diagram displayed)
• Colour fails occasionally.
• Pincushion potentiometer PG08 controls picture width.
• Starts up three times then switches off.
• No TXT. Intermittently low contrast picture in TXT mode. (with circuit diagram extract)
• Intermittent loss of colour. Worse when warm.
• Diagonal RGB lines across screen. Poor field scan. (+ extract of circuit diagram)
• Occasionally static discharge. (service info for SABA -FF480)
• No vertical deflection. Burning smell. (picture attached) (FF480 SABA repair tip)
• No UHF channels. when cold.
• Excessive HV.
• Sound pops.
• Vertical collapse. (part of circuit diagram displayed)
• Disable electronic combination lock.
• Some text pages not available. (with circuit diagram extract)
• No picture. Rainbow colours in lower picture area.
• TV functions but the displays are erased after a few secs.
• No line drive. (part of circuit diagram displayed)
• No UHF reception, displays channel.
• The power supply blocks.
• Height reduces. Creeps up from bottom. (part of circuit diagram displayed)
• White noise only. No channel LEDs. (with circuit diagram extract) (FF480 tips)
• How to set up SERVICE mode when appliance remains in low range.
• No colour, no brightness. Only one colour on TXT or certain colours are missing.
• Interchangeability of teletext boards between chassis ICC5 and ICC5.01.
• Black and white picture if the receiver is on "Auxiliary". (service info for SABA -FF480)
• Appliance has no HF reception. Snowy picture.
• No power supply and the stand-by light is lit on.
• Interference in picture. Audio OK . (part of circuit diagram displayed)
• No SECAM. Only PAL, even adjusting it to SECAM F. Remains in PAL. OK via scart.
• Intermittently goes into TXT mode. (with circuit diagram extract)
• At switch on, focus pot arcing and igniting. CRT board and tube ventiduct disconnected but fault persists.
• No channel storing.
• After working for a while, RVB lines appear at the top of the screen.
• LED characters are displayed back to front.
• Pop at switch on. (FF480 tip from SABA)
• No IF signal from the tuner.
• Shuts down. (FF480 SABA repair tip)
• Channel 60 and special channels flicker. U6 (30V) is too low.
• Hum bar. Vertical collapse. after warm-up. (extract of circuit diagram attached)
• No NICAM sound, normal sound ok.
• Service info: Unlocking the code lock.
• In time picture increasingly wanders down the screen.
• Part number info: processors
• No tuning (after a few minutes).
• No sound. No picture. No OSD. Only purity spots.
• Intermittent loss of colour while setting up picture geometry.
• Signal and tuning are missing.
• Colour cuts out occasionally.
• Blows TP24 and/or TL31. (extract of circuit diagram attached)
• Picture visible in one inch strip at left side of screen, rest is blanked. (with circuit diagram extract)
• Code lock.
• Only rainbow colours (vertical deflection). (FF480 tip from SABA)
• Dead. (picture attached)
• Sound only at maximum volume.
• After operating for 5 mins in black and white, it loses G2 and turns mauve.
• Arcing at switch on. CTV trips 3 times then stops.
• Service information: Function of E/W stage.
• Poor start up, RC must be pressed for a long time. (extract of circuit diagram attached)
• No search possible, snow.
• Channels 1, 2, 3 and 4 ok but teletext is green. (+ extract of circuit diagram) (SABA - FF480 information)
• No picture. Horizontal collapse. Audio OK . (part of circuit diagram displayed)
• Intermittent large noise bands. Picture OK via SCART socket.
• No B-Y. (part of circuit diagram displayed)
• Occasionally colour fails.
• Automatically changes channels and goes into standby.
• Flickering on channel 60 and on special channels.
• Reduced vertical and horizontal size.
• Intermittent crackle on sound.
• Horizontal collapse. (+ extract of circuit diagram)
• No reception and the display is in German.
• In the picture appear black lines similar to lightning. Fault is not visible via scart.
• Goes into safety 3 times.
• Picture and sound disappear after approx 5-10 minutes. Not heat-sensitive.
• No N/S correction. (picture attached)
• Colour fails occasionally.
• Ticking noise on sound and intermittent sound mute.
• In safety mode after working for a long time appliance trips then stops. Display off.
• Channel tuning number does not correspond to the frequency required. (with circuit diagram extract)
• Malfunctioning AGC adjustment. (picture attached)
• Receives no HF signals. Band change is not possible.
• Colour bleeding.
• Remains blocked in PAL.
• No picture appears in PAL.
• Appliance trips and shuts down, sound or raster is missing.
• Storage battery explodes HD404918 A08
• Reduced horizontal size. (picture attached)
• RC part number.
• Monochrome picture when AUX selected on IMC receiver.
• Part number info: power supply repair
• Display isn't synchronised and has black horizontal line on picture instead which disappears when pressing TV key on RC but comes back again.
• 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.
• Powers up, LED flashing once.
• Moire effect in the colour areas.
• No NICAM sound.
• 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. (+ extract of circuit diagram)
• Back cover anti-vibration kit.
• No channel storing.
• Disable electronic lock.
• No sound. Hiss only.
• Intermittent loud distortion, a bit like motorboating. More likely to occur at high volume settings.
• When switching on with RCU, appliance does not react unless you are approx 1m away from it.
• Mains switch does not lock on.
• Picture lacks height "top and bottom " and width "left and right". No correction possible. E/W distortion. (extract of circuit diagram attached)
• Various video faults. (with circuit diagram extract)
• No reception or sound. Brightness is OK. (FF480 SABA repair tip)
• LED remains on when set switched on.
• No colour (intermittently).
• Picture is green, red or blue with flyback lines. (extract of circuit diagram attached)
• Colour bleeding.
• Moire effect in the colour areas.
• Screen is very snowy.
• Double picture. Picture shifted 1mm.
• Receiver goes off after tripping of power supply.
• No channel storing. (+ extract of circuit diagram)
• No standard switch over. No SECAM.
• No audio.
• Cabinet back cover vibrates at certain audio frequencies.
• Uncontrollable brightness with flyback lines.
• No UHF, VHF reception. Similar picture without an aerial.
• No picture. Loss of 1 or more colours.
• No sync on TXT and sound. Mixed mode OK.
• Goes into black and white, flyback lines then stops. Dead. Starts up again 2 or 3 times then cuts out completely.
• No vertical deflection. intermittently. (FF480 SABA repair tip)
• Sound from right channel is missing.
• Only rainbow effect (picture foldover).
• 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. (part of circuit diagram displayed)
• Channel 60 and high channels flicker. U6 (30V) is low. (extract of circuit diagram attached)
• Only rainbow colours (picture running through).
• No grey scale. Functions in SCART.
• Cannot change channels. (extract of circuit diagram attached)
• Set blocks (operation via RC or via user control only possible, after the set has been switched off and on again by mains switch.
• Line output transistor fails repeatedly. at start-up.
• 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. (SABA - FF480 information)
• No sound, no picture. Weak brightness. Flyback lines if G2 pushed. No functions from TV front panel.
• Dark screen dark with vertical bright flyback lines. Picture suddenly appears leaving 2" band at top. (extract of circuit diagram attached)
• No normal sound just white noise. NICAM OK. (FF480 tips)
• Channel display does not correspond to the channels received. eg. displays CH52 when 43 is received.
• Spitting noise from speaker. Intermittent digital sound. NICAM LED's go out.
• Picture shifted vertically. (part of circuit diagram displayed) (SABA - FF480 information)
• No or intermittent picture. via RF output. OK via SCART . (extract of circuit diagram attached)
• The picture only appears after about 3 or 4 minutes and then turns red or blue. (FF480 SABA repair tip)
• No sound, picture is ok. (FF480 tips)
• Dark picture. (+ extract of circuit diagram) (FF480 tip from SABA)
• 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.
• Difficulty starting up. When started up it functions for a few mins. (extract of circuit diagram attached)
• 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.
• Wavy picture on right side. Switches off after 5 to 10 mins. (+ extract of circuit diagram)
• Bottom of picture stretches intermittently. E/W effect.
• Occasional tuning drift and breakup of picture.
• Vertical pinching fault on the picture and vertical linearity fault. (with circuit diagram extract) (service info for SABA -FF480)
• Intermittent OSG display and sound is reduced. (+ extract of circuit diagram)
• The picture moves out of its frame when the appliance is warm.
• Pulsating picture. (+ extract of circuit diagram)
• Field collapse with RGB lines at top of picture. (picture attached)
• No picture. No audio. when changing channels. (FF480 tips)
• 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!
• No picture. (extract of circuit diagram attached) (SABA - FF480 information)
• Operation OK. Dark screen, no sound. RCU OK. As in AV position no snow or thermal tube noise. (+ extract of circuit diagram)
• Appliance has no HF reception. Snowy picture. (picture attached)
• VCR problems.
• No colour. (with circuit diagram extract)
• Flickering picture. No picture. after a few minutes. (part of circuit diagram displayed)
• Shade gradually becomes purplish. Ok at start up. Degaussing ok.
• PSU trips 3 times then shuts down. (+ extract of circuit diagram)
• PSU does not start up. standby point is visible for a short time.
• OSD rolls. (with circuit diagram extract)
• Standard does not change. Channel search is ok.
• Channels drift after start-up. (with circuit diagram extract)
• Crackling sound on "Nicam".
• Part number info: power supply repair
• No standard switching. Blocked on PAL. (with circuit diagram extract)
• No brightness. Audio OK .
• Rolling coloured and white lines. (part of circuit diagram displayed)
• Vertical interference line (1/2cm wide) at left of picture on low channels.
• Line output transistor fails repeatedly.
• No picture. TXT OK . (with circuit diagram extract)
• In cold state of the television receiver, the thyristor DL21 (ESM740G) in the vertical stage may not switch on. (FF480 SABA repair tip)
• Clicking on NICAM.
• Red picture (after a while). (service info for SABA -FF480)
• High pitch whistle on sound, varies with volume mainly on IBA transmission but can occur on BBC as well.
• Intermittent power up; line at top. (part of circuit diagram displayed)
• Nicam is intermittent.
• Excessive green. (with circuit diagram extract)
• Loses programmes. Sometimes does not start up. Wrong display. (FF480 SABA repair tip)
• Tuner cutting out occasionally.
• PSU and high voltage pump three times. (with circuit diagram extract)
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Bright screen for short period of time, after this just snow confusion and crackling noises in sound.
• Picture may distort if TT module fitted.
• Shuts down. after start-up.
• No vertical synchronisation. (picture attached)
• Occasional raster desynchronisation.
• Channel raster has shifted by two or more channels.
• Stops at random, standby LED off. Start up again possible by ON/OFF switch. (extract of circuit diagram attached)
• Sporadic hum from speaker. Hum disappears when switched off and on. (picture attached)
• Field collapse to approx 12 lines in centre of screen. (picture attached)
• No centering adjustment toward bottom.
• Spare part info: value of RL55.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• LED display characters are back to front. (extract of circuit diagram attached)
• No colour (via SCART).
• HT is low at approx. 152V and has intermittent tripping. (FF480 tip from SABA)
• Distorted verticals only on top.
• 3 to 4 pulses of line transformer then nothing.
• The video fails with the decoder syster. No problem with the old decoder.
• Picture becomes yellow intermittently. No reaction to shocks. (with circuit diagram extract)
• RC part number.
• 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 clock signal in 14 of the IV21. No Y signal in 41 of the IV21 and no light.
• Intermittent loss of channels from memory after switching on again. (extract of circuit diagram attached) (SABA - FF480 information)
• No red. (with circuit diagram extract)
• No sound at switch on. Sound returns when channel is changed. Fault only occurs at start up.
• Loud tripping noise from the output stage. Trips three times then dies. (+ extract of circuit diagram)
• Remains in PAL when cold.
• Loss of red.
• TL31 heats up and blows after 5 mins.
• Teletext displays page 100 only.
• Distorted sound, balance off centre, supersound and NICAM defective.
• Loud noises from speaker (at switch-off).
• With a 220V/100W load or with line connected, power supply stops but functions with the line disconnected.
• Picture is very dark. Picture is visible only by the predominant areas of red and blue.
• No operation (intermittently).
• No PIP.
• Spare part no. info: Power supply repair kit. (service info for SABA -FF480)
• No blue. (extract of circuit diagram attached)
• Vertical roll. Vertical foldover at bottom. (picture attached)
• Crackling audio.
• Power supply switches off for a short time (hiccup) when channel is switched over.
• 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.
• Part no. info.: RC.
• Functions in Pal but snowy screen in Secam. (extract of circuit diagram attached)
• Sound VHT is correct but there is no picture and the screen is black.
• No channel storing. (picture attached)
• No sound or picture. Scanning not very apparent, greenish, flyback lines. Functions occasionally in scart.
• NICAM sound crackles and is distorted.
• Field collapse across centre of screen. Hum bar may drift down screen about 1 hour before field collapses.
• TP24, TP16, TP19, TP11 and fuse blow. TL31 ok.
• Poor base command. TL31 at -0.4V instead of -0.8V, correct format.
• Incorrect horizontal linearity, right part of test pattern is wider than left. (FF480 SABA repair tip)
• Shifts 8 channels after being put back into service mode.
• Part number info: Processors (SABA - FF480 information)
• Defective frequency plan.
• Replacement of uP HD 404019 A05.
• No blue. (part of circuit diagram displayed)
• Blurred picture, fine adjustment does not adjust sufficiently.
• Rainbow effect on picture. Flyback lines. (part of circuit diagram displayed) (FF480 tip from SABA)
• Sound reduction. It sometimes returns when changing channels.
• No functions. (part of circuit diagram displayed)
• No picture and no direct display of the channel possible. Picture shifts.
• Intermittent dead. Can be OK for days. (extract of circuit diagram attached)
• Replaced small transformer which was burning but TV remains in standby and FBT crackles for 5-6 secs then nothing.
• Horizontal rotating lines approx 5-8cm high. (+ extract of circuit diagram)
• Loss of light after 15 minutes.
• No start-up. (with circuit diagram extract)
• No reception. No UHF or VHF. Channels are displayed correctly.
• No picture. White screen with an oscillating interference signal. (part of circuit diagram displayed)
• The channel display is incorrect (eg.when receiving channel 36, the display shows channel 38). (extract of circuit diagram attached)
• Ringing in picture. on the left. (with circuit diagram extract)
• Intermittent colour when setting picture geometry.
• Failure to change channels, no memory of channel data.
• No sound or vision. (+ extract of circuit diagram)
• Fades out or very dim.
• Moire pattern. when cold. (service info for SABA -FF480)
• Intermittently noise breaks through on NICAM sound.
• Audible whistling from the back of the cabinet.
• Poor focus on picture or TXT. Low brightness and badly smeared. (with circuit diagram extract)
• Volume alters by itself or sound is distorted.
• Power supply doesn't start up.
• No red in picture or TXT. (extract of circuit diagram attached)
• Receives no HF signals. Tape switch over is not possible.
• No stereo reception on channel 60. (FF480 tips)
• No raster deflection. No picture, only vague light in background. Looks like coloured spot at bottom of picture. No start up.
• Green screen.
• Various breakdowns due to U1=7V. (FF480 tip from SABA)
• Channel 60 and special channels flicker. U6 (30V) too low. (service info for SABA -FF480)
• No picture. via RF output (intermittently). OK via SCART . (extract of circuit diagram attached)
• Power supply fuse blown. (picture attached) (FF480 tip from SABA)
• Intermittent unlocked colours.
• Trips 3 times.
• No picture. Centre section of white line just visible at top centre of screen. (+ extract of circuit diagram)
• Relaxation of the power supply. If point 8 of the THT is opened, the 110V voltage returns. (part of circuit diagram displayed)
• Spare part no. info: Power supply repair kit.
• Receives no HF signals. Band switch over is not possible. (with circuit diagram extract)
• Blank raster. Flyback lines. (picture attached)
• Black lines appear on the screen. (with circuit diagram extract)
• 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. (with circuit diagram extract)
• White dotted line appears on the left of the picture in VHF/Band I reception. (+ extract of circuit diagram)
• Start up is difficult and occasionally impossible with the IR remote control.
• No UHF or VHF on the tuner. Pin 6 of the UHF on 33V permanently.
• No tape-end shut off, changing IT20 and IR01 does not cure the problem, no reception on all channels only white shimmer.
• No audio (after start-up).
• Intermittent field collapse. Bright flyback lines rolling at centre of screen 3ins high. (with circuit diagram extract) (service info for SABA -FF480)
• ICC7 chassis. N/S correction does not function properly. Initially no function. (SABA - FF480 information)
• After 5 mins stations disappear. Wrong characters with the volume OSD. Colours and size change.
• Only a horizontal line at the bottom. (part of circuit diagram displayed)
• No switch on from main switch or via RC.
• Distorted text page numbers.
• Line amplitude is too strong and there is a problem with the east/west cushion.
• 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.
• No picture, picture appears after each channel change then disappears a few seconds later. Sound ok. (part of circuit diagram displayed)
• Menu display in wrong language.
• Terrestrial channel in the background of a satellite transmission.
• Loud crackling noise from right hand side at switch on.
• Part number info: RC
• Blows line output transformer.
• Shuts down (intermittently). (with circuit diagram extract)
• No STEREO reception on channel 60.
• 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.
• Blurred colour blobs on screen. (FF480 tips)
• Sound pulses.
• Colour cuts out occasionally.
• RC part number.
• No LL' switching when you press C of the remote control.
• Red coloured spot at the bottom left of the screen.
• PSU trips three times then powers down. Standby LED lit briefly at switch on. (extract of circuit diagram attached)
• After an hour dark screen, no sound, display is correct. The display remains on the channel selected then a moment afterwards goes into standby.
• Program site is displayed but the appropriate picture does not appear. If fine tuning is activated, picture appears.
• Dead. Standby LED flashes . (with circuit diagram extract)
• The appliance does not work with the remote control, but requests from the appliance are accepted. (FF480 tip from SABA)
• TP24 is destroyed, following a circuit break and return to programme 1. (+ extract of circuit diagram)
• Appliance has no HF reception. Snowy picture.
• Loss of stored settings: Tuning, picture or sound.
• No sound and occasionally the mute function is activated.
• Desynchronisation of the OSD when changing channel or "display line adjustment" display circulates on the screen and is illegible. (part of circuit diagram displayed)
• General information.
• Cables to be connected on the vertical deflector.
• Service info: Function of the E/W stage.
• TP48 fails after short time.
• No sound at switch on.
• Reduced field scan 2in scan approx 1/4in from top. 9 white lines within scan. (extract of circuit diagram attached)
• No off-air luma. TXT OK.
• No audio. after a few minutes. No picture. after a few minutes. (picture attached)
• Crackling on Nicam.
• Service Info: Unlocking the code lock.
• Colour bleeding. (FF480 tips)
• Dark picture with bright lines. Sound OK. (FF480 SABA repair tip)
• Part number info: processors.
• No audio. (FF480 tips)
• Line output transistor TL31 fails. Works for days sometimes weeks. (+ extract of circuit diagram)
• 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 brightness control display may switch off.
• Slow start-up. (with circuit diagram extract)
• Frame jumping or twitching. (extract of circuit diagram attached)
• No field scan when switched on from cold. Field output thyristor DL21 may not operate. (picture attached)
• No display. after a few seconds. AV OK .
• Memory loss. after a while.
• No FS tuning. (part of circuit diagram displayed) (FF480 SABA repair tip)
• No picture, only flyback raster visible with distorted raster.
• Crackle effect on sound. Intermittent lines across picture. (+ extract of circuit diagram)
• Reduced vertical deflection. at bottom. (FF480 tips)
• Channel numbers cannot be entered.
• 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. (part of circuit diagram displayed)
• No TXT. Muted audio. (picture attached)
• Switches to protection mode. intermittently.
• U system voltage table.
• No colour when cold.
• Tripping. (extract of circuit diagram attached)
• No picture at switch-on. Sound OK. Picture may return intermittently. (extract of circuit diagram attached)
• The appliance switches off automatically and loses its station memory.
• Tuning drifts (after a while).
• Picture white out.
• Spare part no. info: Power supply repair kit.
• No standby light when put into standby and impossible to start up again, except when starting up from the control panel.
• Excessive brightness. Flyback lines. (extract of circuit diagram attached)
• No raster with text board fitted. (picture attached)
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• TV goes off and switches on again three times then goes into safety mode.
• Unfocused raster. (extract of circuit diagram attached)
• Black box appears instead of clock on channel change or when adjusting volume on IMC models.
• Loss of sync on teletext. Mix teletext/picture ok. (FF480 tip from SABA)
• Black patch on left hand side, approx 1/3 of picture. (part of circuit diagram displayed)
• Channel 60 and special channels flicker. U6 (30V) is too low. (FF480 tip from SABA)
• No colour. (part of circuit diagram displayed)
• No horizontal deflection.
• No start up with RC. Functions OK with RC when switched on manually.
• VHF band 1 occasionally fails. Snow and sizzling noise in sound. Band 3 and high channels are ok. (FF480 SABA repair tip)
• No TXT. No tuning. No OSD. (extract of circuit diagram attached)
• Wavy ripples from side to side. (with circuit diagram extract)
• Blows 1.6A fuse. (with circuit diagram extract)
• No HF signals received. Band switch over is not possible.
• Loud noises from speaker (at switch-off).
• No blue just smeary.
• Reduced width and width control has little or no effect. (+ extract of circuit diagram)
• Sometimes the sound mutes.
• Flyback lines. at top. (part of circuit diagram displayed)
• Stop function does not function in teletext, but always jumps back to the memorized page. (picture attached)
• After switch on power supply pulsates three times. (with circuit diagram extract)
• Poor reception. Pieces of OSD appear erratically on display. No menu display.
• Intermittent sound from right-hand speaker.
• Moire effect in the colour areas.
• Displaced channels eg. M6 on channel 41 instead of 50. No channels between channel 21 and 36. (extract of circuit diagram attached)
• Colour cuts out occasionally.
• RF14 burns up. (extract of circuit diagram attached)
• Sound is lost intermittently.
• No tuning of channels. Switching programmes OK, but when channel is pressed, channel does not flash.
• Does not store programmes.
• VHF is ok, no UHF or very little.
• Spare part no. info: power supply repair kit.
• Accepts tuning channel number but does not alter tuning.
• Channel raster has shifted by two or more channels. (+ extract of circuit diagram)
• Channel indication flashing 1, will not tune or adjust.
• No or poor synchronisation. (with circuit diagram extract)
• No switching possible in standard LL. (with circuit diagram extract)
• No picture or the picture blows. (with circuit diagram extract)
• Volume changes by itself or sound is distorted.
• Receives no HF signals. Band switch over is not possible. (picture attached)
• No PLL locking when the appliance is switched on. The power supply from TDA6316A is 4.4V instead of 5.1V. (with circuit diagram extract)
• Intermittent trip/chopper failure.
• Line transformer vibration on white pictures. (FF480 tip from SABA)
• Dark picture with 3 RGB lines. Sound available.
• Spare part no. info: Power supply repair kit.
• Faulty TXT.
• No audio. after a while. No raster. after a while. Trips. Shuts down. (with circuit diagram extract)
• Sound OK on Canal Plus. No luminance when using decoder.
• Picture shifted vertically. at top.
• Tripping. Arcing. Burning smell. (part of circuit diagram displayed)
• Rainbow effect on lower picture edge, otherwise no picture.
• No picture and screen is dark. Safety function does not work. (picture attached)
• Loud noises from speaker (at switch-off). (service info for SABA -FF480)
• Screen is blank with rolling lines at the top.
• Picture is missing, random lines on screen.
• Only the green LED on.
• No RC functions. after warm-up.
• Hum bar drifts down picture then field collapses after approx 1hr. (+ extract of circuit diagram)
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Stations drift off tune by channel input. Can only be adjusted by fine tuning.
• Poor horizontal synchronisation. when changing channels.
• Picture is almost dark, colours are weak and the Y-signal is too weak.
• Switched mode chopper transistor blows fuse at switch on. (part of circuit diagram displayed)
• The channel frequency shifts for 3 seconds then shifts again. (+ extract of circuit diagram)
• TP24 blown when appliance goes into standby.
• NICAM sound drops out. NICAM indicators flash as sound cuts out.
• Faulty raster. Vertical jitter. (picture attached)
• Hum bar. (extract of circuit diagram attached)
• Picture detuned on all channels.
• Colour picture via the tuner, black and white in scart.
• Power supply of the control micro is too low (micro has been changed). 3 Volts, CTV does not start up.
• Intermittent loss of raster at switch on with white lines at the top. Flyback raster when acting on PG08 or when going to AV.
• Unable to tune in fully.
• No HV (intermittently).
• Dead. Standby LED lit .
• Power supply switches off.
• No switch on at all. No standby LED or programme display on front panel. (+ extract of circuit diagram)
• Poor start up performance of the power supply. (+ extract of circuit diagram)
• Blank raster. White and RGB lines at bottom of screen. (with circuit diagram extract)
• Does not change channels. (part of circuit diagram displayed)
• Intermittent loud "thump" from speaker.
• Scanning on the screen is visible on a part of the screen. The programme number display is correct. (+ extract of circuit diagram)
• Will not go into standby cleanly when hot, it will pulse between standby and on 5/6 times before finally staying in standby.
• Intermittent NICAM sound. (extract of circuit diagram attached)
• No picture, only faint coloured areas. (+ extract of circuit diagram)
• 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.
• No stereo LED operation.
• Smokes then switches off. (+ extract of circuit diagram) (service info for SABA -FF480)
• Lines in picture. No colour. No RC functions.
• No signal.
• No picture (intermittently). (with circuit diagram extract)
• Dark picture. Poor adjustment of sound. (with circuit diagram extract)
• Only channel 21 is received in UHF. Picture and sound ok in VHF. Displays the correct channels.
• No horizontal synchronisation. when changing channels. (extract of circuit diagram attached)
• No audio. No picture. (with circuit diagram extract)
• Intermittent fault. The TV stops and even the standby light has gone out. Starts up again by itself.
• Poor focus. (+ extract of circuit diagram)
• Vertical lines run over the whole screen. (picture attached)
• PSU does not oscillate correctly. (picture attached) (FF480 tips)
• No tuning. Channel display flashes. (+ extract of circuit diagram)
• When the appliance switches off, a spot appears on the screen. (with circuit diagram extract)
• Switches off a few times each evening after replacing transformer. Intermittently switches on again after a while. Sometimes needs to be switched on again.
• Display shows channel only. (part of circuit diagram displayed)
• No green. (+ extract of circuit diagram)
• Channels 1, 2, 3 and 4 ok but teletext is green.
• TP24 fails after first EHT pulse.
• Flickering on channel 60 and on special channels.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• Occasionally colour fails.
• No colour in Secam, ok in Pal. RGB ok.
• No colour in SECAM. Functions in PAL via scart.
• 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.
• No channel storing.
• Signal and sound are missing.
• Crackling, occasionally squealing after operating for approximately 20 mins.
• Faulty raster. (extract of circuit diagram attached)
• Blank screen with out of focus blob in bottom centre of screen.
• No RC functions. (part of circuit diagram displayed)
• No picture. Lines in picture. intermittently. (extract of circuit diagram attached)
• Echo on picture.
• Colour flashing in and out. (picture attached)
• No picture. Audio OK . (picture attached)
• At start up, time base and EHT for a moment then cuts out. No standby light on.
• Sound distorted when volume increased.
• No Canal Plus decoding.
• No picture just scanning lines. Incorrect frame speed. (part of circuit diagram displayed) (SABA - FF480 information)
• RP42 blowing. (with circuit diagram extract) (FF480 SABA repair tip)
• Dead. Standby LED does not light. Standby LED lit . No RC functions. (with circuit diagram extract)
• After a storm no sound and no picture. No light, filament lights up, line transformer ok. screen remains dark, light appears at switch off.
• Loud crackling noise from right hand loud speaker at switch on.
• Blocked on channel no 1 in manual and in RCU.
• Line output transistor S/C. (+ extract of circuit diagram)
• Thump from speaker intermittently.
• When TV is switched on in standard G, standard cannot be modified. (part of circuit diagram displayed)
• No channel tuning in search mode.
• Trips after 15-20 mins. (extract of circuit diagram attached)
• Missing B-Y.
• No sound. No vertical or horizontal scanning. Just a blue line.
• RC part number.
• No sound or picture. Teletext functions. Static discharge. New appliance. (FF480 tip from SABA)
• Switching transistor TP24 fails repeatedly.
• Intermittent switch between programme 1 and AUX.
• No or slight sound on the right and/or left tracks.
• Line at the bottom, no picture. Rattling. (extract of circuit diagram attached)
• No tuning, OSD or TXT.
• Black rapid flashing.
• Moire pattern. after warm-up.
• Does not always start up. Standby light flashes. Loses memory.
• 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.
• Stuck in standby when switched off into standby using RC.
• No channel storing. (picture attached)
• Only 1/4 inch of picture at left hand side. Remainder of picture blank.
• Switches to standby (after a few seconds). (picture attached)
• If a channel is programmed, the programme reappears and the appliance goes to safety mode. (extract of circuit diagram attached)
• Part number info: power supply repair
• Brightness of display is adjustable.
• All rails are very low, 3V on 158V (158 reads 500 Ohm).
• Only rainbow colours (vertical deflection error). (extract of circuit diagram attached)
• Red raster. Flyback lines. (picture attached)
• When increasing contrast or on bright video scenes, chroma disappears and 1 or 2 vertical fine black lines appear on left of screen.
• Picture has shifted horizontally. Sound available only every 2 secs. Picture and sound OK via AV.
• No stereo reception on channel 60.
• Very poor colour. Looks like indent fault.
• Unstable picture. in UHF. (SABA - FF480 information)
• Occasionally dead, then snow. Goes into standby by the RCU and only starts up again after 30 secs.
• No RC functions (intermittently). (with circuit diagram extract)
• Flickering on channel 60 and on special channels.
• Loud noises from speaker (at switch-off).
• No voltage on varicaps. (with circuit diagram extract)
• Top half picture blank, bottom half bright flyback lines.
• After two-three hours the sound crackles very loudly. Model (51K5) Nicam .
• Part number info: processors
• Switches off for a short time then returns on programme 1 (early F15 chassis). (service info for SABA -FF480)
• Sound ok, raster blue with flyback lines. (picture attached)
• Power supply switches off, breaker circuit doesn't start up even with continuous attempts to start up.
• The 1.6A fuse is open circuit. (with circuit diagram extract)
• Teletext graphics are incorrect with black bars down the screen.
• No picture. intermittently. (FF480 tips)
• Crackling audio. intermittently.
• Dead (intermittently). (extract of circuit diagram attached)
• No audio. (FF480 tip from SABA)
• Snowy raster.
• Power supply BU blows after operating for a short time. (extract of circuit diagram attached)
• No picture no sound, EHT ok. (extract of circuit diagram attached)
• Bright picture after 2 secs from start-up and no contrast. After 5 secs picture is OK.
• RV82 (10R) on tube board blows repeatedly. (service info for SABA -FF480)
• Vertical displacement of approx 5cm towards the top of the screen when warm.
• The appliance starts up after a few mins.
• No horizontal deflection (intermittently).
• No blue. in TXT. Picture OK . (service info for SABA -FF480)
• TL29 fails in B and C after start up. (service info for SABA -FF480)
• Very faint and bright picture via tuner. Picture ok via scart via a VCR.
• Line transformer does not start up.
• TP48 fails after a few days.
• 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.
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Accepts channel number but will not tune.
• No TXT. Command is received but not carried out. Picture does not turn black.
• No functions. Standby LED lit . (part of circuit diagram displayed)
• Trips then shuts down. (SABA - FF480 information)
• Type of memory battery. (picture attached)
• Memory loss.
• Colour bleeding.
• No fastext. Normal text OK. (with circuit diagram extract)
• No picture, white screen and there is an erasing problem after one hour.
• Power supply BU blows after 10 secs. Correct power supply attempted with line transformer load disconnected.
• Switches to standby (intermittently). (with circuit diagram extract) (FF480 SABA repair tip)
• Short lived line output transformer. (+ extract of circuit diagram)
• Channels have shifted (test picture on channel 33, channel no. 42 displayed).
• No colour in PB from a Ferguson FV26D VCR when VCR is positioned under the TV.