FF450 / SABA [TV (Standard)]

• Set blocks (operation via RC or via user control only possible, after the set has been switched off and on again by mains switch.
• Protection circuit comes into force inappropriately. (service info for SABA -FF450)
• Failure to switch on from standby unless programme "UP" button is used.
• Channel 60 and high channels flicker. U6 (30V) is low. (part of circuit diagram displayed) (FF450 SABA repair tip)
• No STEREO reception on channel 60.
• Intermittent motorboating noise on sound.
• Unstable picture. in UHF. (FF450 SABA repair tip)
• No sound on NICAM sets.
• Starts up three times then switches off. (FF450 SABA repair tip)
• No picture. Audio OK . (picture attached)
• Blue picture. Line at top. (+ extract of circuit diagram)
• 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.
• Receives no HF signals. Tape switch over is not possible.
• U5 voltage incorrect.
• Programme indicator "1" flashes but will not tune. (FF450 tips)
• Terrestrial channel in the background of a satellite transmission.
• Variable sound and picture crackling with snow.
• No picture or the picture blows. (picture attached) (FF450 SABA repair tip)
• Signal and sound are missing.
• Snowy picture. After 3 mins picture returns to normal.
• Sometimes the sound mutes.
• No switch on. When switching off with mains switch LED switches on then off. (service info for SABA -FF450)
• Display isn't synchronised and has black horizontal line on picture instead which disappears when pressing TV key on RC but comes back again.
• No blue just smeary.
• Switches off a few times each evening after replacing transformer. Intermittently switches on again after a while. Sometimes needs to be switched on again.
• Vertical rolling, will not lock with adjustment of the potentiometer.
• Popping noise at switch on. (Nicam model).
• TV deprogrammes, starts up again then remains in PAL. It is impossible to display S2 standard.
• Flyback rasters on screen. No picture, no sound. Display on the front is ok.
• Moire effect in the colour areas.
• Partial blanking of video info. (with circuit diagram extract)
• Only rainbow colours (picture foldover).
• Does not store programmes.
• S2000 in power supply defective after a few mins.
• Reduced horizontal size (intermittently). (picture attached)
• TV functions but the displays are erased after a few secs.
• Clicking on NICAM.
• Vertical roll. Vertical foldover at bottom. (part of circuit diagram displayed)
• Chopper transistor is defective intermittently. (with circuit diagram extract)
• Faulty TXT.
• No TXT. No tuning. No OSD. (+ extract of circuit diagram) (FF450 tip from SABA)
• Bright picture after 2 secs from start-up and no contrast. After 5 secs picture is OK.
• Random clicks with Nicam sound.
• Functions in Pal but snowy screen in Secam. (+ extract of circuit diagram)
• Only a horizontal line at the bottom. (picture attached)
• No sound or picture. Scanning not very apparent, greenish, flyback lines. Functions occasionally in scart. (FF450 tip from SABA)
• No power supply and the stand-by light is lit on.
• No sound, no picture. Weak brightness. Flyback lines if G2 pushed. No functions from TV front panel.
• Brightness varies until there is a dark picture.
• Switches off then starts up again, mostly when cold. When TV works, sound mute and background noise, but sound reappears at channel switch over.
• Colour bleeding.
• Poor channel reception and channels 59 and 62 are replaced by snow. Occasionally reception is correct.
• Channels drift after start-up. (extract of circuit diagram attached)
• Colour cuts out occasionally.
• Teletext moves vertically. Appliance functions very well when Teletext is not displayed.
• No picture. Loss of 1 or more colours.
• Green picture.
• No or slight sound on the right and/or left tracks.
• Bottom of picture stretches intermittently. E/W effect.
• Intermittent flashing lines on screen. Picture OK with scart input. (extract of circuit diagram attached)
• Power supply switches off.
• Only 1/4 inch of picture at left hand side. Remainder of picture blank. (FF450 SABA repair tip)
• Stuck in standby. (extract of circuit diagram attached)
• No N/S correction. (picture attached)
• Trips 3 times then shuts down. (part of circuit diagram displayed)
• ICC7 chassis. N/S correction does not function properly. Initially no function.
• No standby light when put into standby and impossible to start up again, except when starting up from the control panel. (service info for SABA -FF450)
• Rolling colours and white lines.
• Four vertical lines in upper picture area.
• Faulty raster. Vertical jitter. (extract of circuit diagram attached)
• 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.
• Appliance switches over between VHF and UHF, instead only noise in the picture.
• Spare part no. info: Power supply repair kit.
• Low brightness. (with circuit diagram extract)
• Deprogramming due to static loads.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• No operation (intermittently).
• Impossible to select bands. Tuner UHF OK. OK via scart. Signal present.
• Corrupted TXT page number. (extract of circuit diagram attached)
• IG01 (TDA4950) fails repeatedly. (with circuit diagram extract)
• No sound or picture. Teletext functions. Static discharge. New appliance.
• LED characters are displayed back to front.
• Black screen. All the voltages are correct. The sound, line transformer and the G2 are ok but the screen remains black.
• Stuck in standby when switched off into standby using RC.
• No 22V line but ok when DP43 removed.
• Very faint and bright picture via tuner. Picture ok via scart via a VCR.
• Flyback lines. at top. (extract of circuit diagram attached)
• Tripping. Arcing. Burning smell. (part of circuit diagram displayed)
• There is 145V instead of 170V and there is too much L/T amplitude.
• Shade gradually becomes purplish. Ok at start up. Degaussing ok.
• Part number info: Processors
• Volume changes by itself or sound is distorted.
• PSU does not start up. standby point is visible for a short time.
• No picture. TXT OK . (part of circuit diagram displayed)
• Channel 60 and special channels flicker. U6 (30V) is too low.
• Horizontal line runs from top to bottom and distorts picture. (extract of circuit diagram attached)
• The power supply transformer trembles. (part of circuit diagram displayed)
• No picture. Rainbow colours in lower picture area. (service info for SABA -FF450)
• Screen is very snowy.
• Vertical collapse. (extract of circuit diagram attached)
• General information.
• Intermittent audio.
• Colour fails occasionally.
• No voltage on varicaps. (+ extract of circuit diagram)
• LED display characters are back to front. (+ extract of circuit diagram)
• Automatically changes channels and goes into standby.
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Switches on, but HV does not build up.
• No stereo reception on channel 60.
• PSU trips 3 times then shuts down. (+ extract of circuit diagram)
• Memory loss.
• RC part number.
• No PLL locking when the appliance is switched on. The power supply from TDA6316A is 4.4V instead of 5.1V. (+ extract of circuit diagram)
• The picture jumps when the appliance is warm and moves downwards. (FF450 tips)
• There is a moire effect on the screen for a short while and no sound.
• Disable electronic combination lock.
• Impossible to go into SECAM. (part of circuit diagram displayed)
• Cannot change channels. (extract of circuit diagram attached)
• No search possible, snow.
• When TV is switched on in standard G, standard cannot be modified. (+ extract of circuit diagram)
• Poor chrominance of black/white with colour at zero.
• No audio.
• Switches off by itself. intermittently.
• OSD rolls. (with circuit diagram extract)
• Occasional raster desynchronisation.
• Switches to standby. after start-up (intermittently).
• No line oscillation. (part of circuit diagram displayed) (FF450 SABA repair tip)
• Picture is missing, random lines on screen.
• No FS tuning. (part of circuit diagram displayed)
• Dead. Standby LED flashes . (with circuit diagram extract)
• No sync on TXT and sound. Mixed mode OK.
• Vertical collapse. at top.
• Approx 3cm at top of picture has coloured lines. (part of circuit diagram displayed)
• RF14 burns up. (+ extract of circuit diagram) (service info for SABA -FF450)
• At switch off, loud noises from the speaker.
• Storage battery explodes HD404918 A08
• Intermittent loss of raster at switch on with white lines at the top. Flyback raster when acting on PG08 or when going to AV.
• Channels 1, 2, 3 and 4 ok but teletext is green. (with circuit diagram extract) (SABA - FF450 information)
• Part number info: Processors
• Scanning on the screen is visible on a part of the screen. The programme number display is correct. (picture attached)
• No sound. TV cuts out after 10 minutes. Sound board OK.
• 1Khz tone breaking onto NICAM sound. OK in mono mode.
• No picture or PLL operation. There are vertical interference bars present. (with circuit diagram extract)
• Colour picture via the tuner, black and white in scart.
• Vertical deflection. Rotating lines in the lower third of the picture.
• Memory loss. after a while.
• No audio.
• Vertical lines run over the whole screen. (extract of circuit diagram attached)
• Shuts down (intermittently). (part of circuit diagram displayed)
• Trips. NICAM lights appear to flash. (part of circuit diagram displayed)
• Arcing at switch on. CTV trips 3 times then stops.
• No functions. (picture attached)
• Off-air luminance is missing, text is ok.
• No stereo reception on channel 60.
• Failure to change channels, no memory of channel data.
• Sound pulses.
• Changes between standby and ON mode. (picture attached)
• No contrast. (picture attached)
• Cables to be connected on the vertical deflector.
• Field collapse with RGB lines at top of picture. (picture attached)
• Poor grey scale. Dominates in black and white. (with circuit diagram extract)
• RC part number.
• Snowy raster.
• No STEREO reception on channel 60. (with circuit diagram extract) (SABA - FF450 information)
• Interchangeability of teletext boards between chassis ICC5 and ICC5.01.
• Black, green, pink, blue screen after start-up for 1 min, then goes to normal.
• Incorrect TXT graphics. Black bars displayed down screen.
• No vertical deflection. Burning smell. (with circuit diagram extract)
• Intermittent NICAM sound. (part of circuit diagram displayed)
• Protective circuit malfunction. (service info for SABA -FF450)
• Dark picture with bright lines. Sound OK.
• Loses programmes. Sometimes does not start up. Wrong display.
• Blows TP24 and/or TL31. (+ extract of circuit diagram)
• The PSU switches 3 times, line transformer, E/W diodes, U4 and U5 are ok.
• Maladjusted convergence on the top quarter of the picture.
• Line at the bottom, no picture. Rattling. (+ extract of circuit diagram) (FF450 tip from SABA)
• No RC functions (intermittently). (extract of circuit diagram attached) (FF450 tip from SABA)
• 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!
• The video fails with the decoder syster. No problem with the old decoder.
• Only colour info visible. No Y signal.
• Part no. info.: RC. (FF450 tips)
• Tripping. (extract of circuit diagram attached)
• OSD doubled in height. (part of circuit diagram displayed)
• Receives no HF signals. Band change is not possible.
• Pincushion distortion. (part of circuit diagram displayed)
• NICAM sound drops out. NICAM indicators flash as sound cuts out.
• Spare part no. info: Power supply repair kit.
• Screen is blank with rolling lines at the top. (service info for SABA -FF450)
• Service information: Function of E/W stage.
• Hum bar drifts down picture then field collapses after approx 1hr. (with circuit diagram extract)
• Appliance has no HF reception. Snowy picture. (FF450 SABA repair tip)
• Blanking lines in the top part of the picture.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• Poor Teletext page number.
• No functions. Standby LED lit . (extract of circuit diagram attached)
• Dead (after lightning strike). (part of circuit diagram displayed)
• Blank screen. Coloured spots rising from bottom. (picture attached)
• Poor focus on picture or TXT. Low brightness and badly smeared. (part of circuit diagram displayed)
• Picture jumps and vertical distorsion according to video content, mostly on second station, channel 21. Intermittent fault.
• Only rainbow colours. Picture foldover. (picture attached)
• Picture is very dark. Picture is visible only by the predominant areas of red and blue.
• TXT functions for only 2 secs on high VHF. Functions OK on low VHF low and S channels. (FF450 tips)
• TP24 gets hot and short circuits. Poor base command.
• No STEREO reception on channel 60.
• Anomaly due to built in switch.
• No picture, only flyback raster visible with distorted raster. (FF450 tip from SABA)
• No raster. (part of circuit diagram displayed) (SABA - FF450 information)
• Clicking on NICAM.
• Lines in picture. No colour. No RC functions. (FF450 tip from SABA)
• Reduced field scan 2in scan approx 1/4in from top. 9 white lines within scan. (picture attached)
• Stop function does not function in teletext, but always jumps back to the memorized page. (with circuit diagram extract)
• No colour (intermittently). (extract of circuit diagram attached)
• No sound or raster. (part of circuit diagram displayed)
• Black box appears instead of clock on channel change or when adjusting volume on IMC models.
• Dead. LED blinks .
• 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.
• Power supply fuse blown. (picture attached)
• No TXT. Muted audio. (picture attached)
• 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.
• Distorted text page numbers. (FF450 SABA repair tip)
• No clock signal in 14 of the IV21. No Y signal in 41 of the IV21 and no light.
• Poor reception. Pieces of OSD appear erratically on display. No menu display.
• No TXT. Command is received but not carried out. Picture does not turn black.
• Line output transistor fails repeatedly. at start-up.
• 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.
• No audio.
• Goes into safety 3 times.
• Pop at switch on.
• No TXT (intermittently).
• No RC functions. (with circuit diagram extract)
• Green screen. (+ extract of circuit diagram) (service info for SABA -FF450)
• Power supply switches off for a short time (hiccup) when channel is switched over. (SABA - FF450 information)
• Part number info: power supply repair
• No IF signal from tuner.
• Goes into standby and cannot be turned on using RC; OK when channel up button on set is pressed for approx 8 secs. (part of circuit diagram displayed)
• Accepts channel number but will not tune.
• No UHF switching voltage or programme reception. (+ extract of circuit diagram)
• Sound is very distorted on both channels when cold like when warm. All the other functions are normal.
• No audio. after a while. No raster. after a while. Trips. Shuts down. (part of circuit diagram displayed) (FF450 SABA repair tip)
• Sound ok, raster blue with flyback lines. (+ extract of circuit diagram)
• Moire effect in the colour areas.
• Blurred picture, fine adjustment does not adjust sufficiently.
• Excessive brightness. Flyback lines. (+ extract of circuit diagram)
• Relaxation of the power supply. If point 8 of the THT is opened, the 110V voltage returns. (extract of circuit diagram attached)
• White line approx 10 cm from top of picture. Other functions ok.
• After two-three hours the sound crackles very loudly. Model (51K5) Nicam .
• Black raster. 1/2in of picture. (part of circuit diagram displayed)
• TP24, TP16, TP19, TP11 and fuse blow. TL31 ok.
• Sound only at maximum volume.
• The TV may function for several days then cut out. VHT is present, black screen and the display indicates standby mode. (SABA - FF450 information)
• Sound interruption and/or crackling.
• Distorted sound, balance off centre, supersound and NICAM defective.
• Poor picture and sound synchronisation. Moire effect on the picture. Occasionally there is no sound or picture.
• Remote control operation problem. Microprocessor memory and new quartz. New remote control. Remote control information reception on the microprocessor. (FF450 tip from SABA)
• Vertical lines pulling at the top of the picture.
• 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. (SABA - FF450 information)
• Switching transistor TP24 fails repeatedly.
• No picture. Centre section of white line just visible at top centre of screen. (picture attached)
• Intermittent field collapse. Bright flyback lines rolling at centre of screen 3ins high. (picture attached)
• RP42 blowing. (with circuit diagram extract)
• Intermittent fault. The TV stops and even the standby light has gone out. Starts up again by itself.
• No red. (part of circuit diagram displayed)
• Interchangeability of teletext boards between chassis ICC5 and ICC5.01.
• Voltage U5 21V goes to 35V when appliance is warm. Vertical displacement. The other EHT secondary voltages are stable.
• Poor grey scale. TXT too bright. (+ extract of circuit diagram)
• No colour (intermittently).
• Excessive HV.
• No audio.
• Black and white picture if the receiver is on "Auxiliary".
• Intermittently switches off ten consecutive times or just once. Mostly switches on again automatically. No LEDs lit when switching off.
• The appliance remains in PAL. (part of circuit diagram displayed)
• Only the green LED on.
• Snow in picture. intermittently.
• HT value.
• Low gain.
• No picture and no direct display of the channel possible. Picture shifts.
• At switch on, raster linearity fault for 1-2 minutes.
• No picture, only faint coloured areas. (with circuit diagram extract)
• Loses channel 1.
• No tuning. (part of circuit diagram displayed)
• White noise only. No channel LEDs. (extract of circuit diagram attached)
• Replacing BU508, BU508AV, S2000A, S2000A2 and TP24.
• Sound OK on Canal Plus. No luminance when using decoder.
• Service info: Function of E/W stage.
• Colour flashing in and out. (with circuit diagram extract)
• Random clicks with Nicam sound.
• V2 voltage.
• Picture shifted vertically. (with circuit diagram extract)
• Interference in picture. Audio OK . (picture attached)
• RC part number.
• CTV loses its programming when there is a power cut. What is the value the battery must charge at ?
• No channel storing. (extract of circuit diagram attached)
• Crackling audio. intermittently.
• Occasionally colour fails.
• No sound. No vertical or horizontal scanning. Just a blue line.
• No audio.
• Noisy sound on both channels (dependent on the volume setting).
• Desynchronisation of the OSD when changing channel or "display line adjustment" display circulates on the screen and is illegible. (with circuit diagram extract) (FF450 tip from SABA)
• Type of memory battery. (part of circuit diagram displayed) (FF450 tips)
• Picture is dark and no picture content, no display, only standby dot (line drive ok). (+ extract of circuit diagram)
• Reduced vertical deflection.
• No stereo reception on channel 60.
• Drifts at switch on after 2 mins.
• No synchronisation. (+ extract of circuit diagram)
• Sometimes CTV starts up and functions. When the CTV is functioning, it stops then starts up again all by itself.
• No HV (intermittently).
• Chroma fault in Secam. (+ extract of circuit diagram)
• Appliance has no HF reception. Snowy picture. (extract of circuit diagram attached)
• Does not start up, no standby. Voltage on TP48 C 0V, Bet E 7.35V. Voltage 300 on CP03 OK.
• No tuning possible. Hum in VHF. Channel display correct. (service info for SABA -FF450)
• Intermittent loss of colour. Worse when warm.
• Lines in picture. at top. (extract of circuit diagram attached)
• Only rainbow effect (picture foldover).
• Part number info: power supply repair kit
• No sound at switch on. Sound returns when channel is changed. Fault only occurs at start up.
• Loud crackling noise from right hand side at switch on.
• No vertical deflection. intermittently.
• Reduced vertical deflection. at bottom.
• No horizontal synchronisation. when changing channels. (part of circuit diagram displayed)
• Field collapse across centre of screen. Hum bar may drift down screen about 1 hour before field collapses.
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• The very high tension is intermittent.
• Picture visible in one inch strip at left side of screen, rest is blanked. (with circuit diagram extract)
• The appliance does not work with the remote control, but requests from the appliance are accepted.
• Only rainbow effect (picture foldover).
• Occasionally the video signal is reversed. (with circuit diagram extract)
• Teletext displays page 100 only.
• Dark screen dark with vertical bright flyback lines. Picture suddenly appears leaving 2" band at top. (part of circuit diagram displayed)
• After replacing IV21, picture is too wide. Slight geometry fault.
• PSU trips three times then powers down. Standby LED lit briefly at switch on. (picture attached)
• Picture is split in two like an aerial echo on all channels even on cable channels.
• No picture at switch-on. Sound OK. Picture may return intermittently. (with circuit diagram extract)
• U system voltage table. (SABA - FF450 information)
• White screen. Flyback lines.
• Service information: Function of the E/W stage.
• Crackling on Nicam.
• How to set up SERVICE mode when appliance remains in low range.
• No fastext. Normal text OK. (part of circuit diagram displayed)
• Power supply goes into safety mode. (picture attached)
• No field scan when switched on from cold. Field output thyristor DL21 may not operate. (extract of circuit diagram attached)
• White lines in the middle of the screen, which is black. (+ extract of circuit diagram)
• In the picture appear black lines similar to lightning. Fault is not visible via scart.
• 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 LL' switching when you press C of the remote control.
• No picture. White screen with an oscillating interference signal. (with circuit diagram extract) (SABA - FF450 information)
• Does not always start up. Standby light flashes. Loses memory.
• No raster deflection. No picture, only vague light in background. Looks like coloured spot at bottom of picture. No start up.
• Bright screen for short period of time, after this just snow confusion and crackling noises in sound.
• Intermittent loud "thump" from speaker.
• TP24 fails after first EHT pulse.
• No start-up. (picture attached) (FF450 SABA repair tip)
• No vertical text lock. (with circuit diagram extract)
• Colour drop-out.
• At switch on by ON/OFF switch EHT is heard for 1 sec. then goes dead. No display, no LED.
• No red in picture or TXT. (with circuit diagram extract) (FF450 tips)
• Popping noise from speakers at switch on.
• Intermittent loud distortion, a bit like motorboating. More likely to occur at high volume settings.
• Volume changes by itself or sound is distorted.
• Loss of stored settings: Tuning, picture or sound. (SABA - FF450 information)
• Standby LED flashing in standby mode.
• No picture, white screen and there is an erasing problem after one hour.
• Picture appears after 1.5 mins when cold and after 25 mins when warm (picture attached)
• Power supply of the control micro is too low (micro has been changed). 3 Volts, CTV does not start up.
• Rainbow effect on picture. Flyback lines. (with circuit diagram extract)
• Replacement of uP HD 404019 A05.
• No tuning (after a few minutes).
• Diagonal RGB lines across screen. Poor field scan. (+ extract of circuit diagram)
• Flickering on channel 60 and on special channels.
• No channel storing. (part of circuit diagram displayed) (service info for SABA -FF450)
• Picture is green, red or blue with flyback lines. (with circuit diagram extract)
• No Y-picture or colour.
• Dark picture and no picture content, no display, only standby dot. (+ extract of circuit diagram)
• Blocked on channel no 1 in manual and in RCU.
• Moire effect and no sound for a few moments. (with circuit diagram extract)
• All programme numbers tuned to the same channel.
• Receives no HF signals. Band switch over is not possible. (extract of circuit diagram attached)
• Appliance trips or RL44 burns up.
• TV goes off and switches on again three times then goes into safety mode.
• Sporadic hum from speaker. Hum disappears when switched off and on. (part of circuit diagram displayed)
• Cycles on/off.
• LED remains on when set switched on.
• Occasionally no start up. Protective circuit sets in. No soft start. (with circuit diagram extract)
• Black lines appear on the screen. (extract of circuit diagram attached)
• Channel display does not correspond to the channels received. eg. displays CH52 when 43 is received.
• Spare parts information - Part reference for TP24 and TL31.
• Trips after warming up for a few minutes. (extract of circuit diagram attached)
• Terrestrial channel in background of Satellite transmission.
• Pulsating picture. (part of circuit diagram displayed)
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Picture has shifted horizontally. Sound available only every 2 secs. Picture and sound OK via AV.
• Volume alters by itself or sound is distorted.
• No channel storing.
• No colour in PB from a Ferguson FV26D VCR when VCR is positioned under the TV.
• Severe patterning like white sparklies. (extract of circuit diagram attached)
• At switch on, focus pot arcing and igniting. CRT board and tube ventiduct disconnected but fault persists.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• Dark picture. Poor adjustment of sound. (+ extract of circuit diagram)
• Intermittent switch between programme 1 and AUX.
• 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.
• 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.
• Black bar. at top and bottom. (+ extract of circuit diagram)
• No start up. The standby light comes on then goes off straight away when stop function is requested. ***MODIFY PAGE ACCORDING TO FRENCH.***
• No off-air luma. TXT OK.
• No tuning. Channel display flashes. (+ extract of circuit diagram)
• Moire effect in the colour areas.
• No IF signal from the tuner.
• Cabinet back cover vibrates at certain audio frequencies.
• Teletext graphics are incorrect with black bars down the screen.
• Various video faults. (with circuit diagram extract)
• Standard does not change. Channel search is ok.
• No audio.
• Occasionally colour fails.
• Sound pops.
• No tuning, OSD or TXT.
• HT is low at approx. 152V and has intermittent tripping.
• High pitch whistle on sound, varies with volume mainly on IBA transmission but can occur on BBC as well.
• No function. PAUSE LED is lit.
• Hiss in audio.
• Picture height is shrivelled to 10cm. A few rolling horizontal lines in the middle of the picture.
• Monochrome picture when AUX selected on IMC receiver. (FF450 SABA repair tip)
• TV just displays LOCK.
• Sound pops.
• Uncontrollable brightness with flyback lines.
• Loud noises from speaker (at switch-off).
• VCR problems.
• Black patch on left hand side, approx 1/3 of picture. (picture attached)
• If a channel is programmed, the programme reappears and the appliance goes to safety mode. (picture attached)
• No signal or goes snowy after 1 hour. (+ extract of circuit diagram) (FF450 tip from SABA)
• Pincushion potentiometer PG08 controls picture width.
• Trips three times at start up.
• Colour bleeding.
• Intermittently goes into TXT mode. (picture attached)
• No picture (intermittently). (picture attached)
• Unable to enter channel number. (+ extract of circuit diagram)
• No audio. (+ extract of circuit diagram)
• After two minutes graphics appear on screen showing "nicam and mono" flickering and affecting audio reception. (with circuit diagram extract)
• Channels have shifted (test picture on channel 33, channel no. 42 displayed).
• OSD only functions in PAL.
• Ticking noise. Muted audio. intermittently.
• The brightness control display may switch off.
• Line output transistor TL31 fails. Works for days sometimes weeks. (with circuit diagram extract)
• Ticking noise on sound with intermittent mute.
• Picture becomes yellow intermittently. No reaction to shocks. (picture attached)
• Loud noises from speaker (at switch-off).
• Trips 3 times.
• Faint white lines rolling up and down picture. Slight cross-modulation effect on off-air signal. (with circuit diagram extract) (SABA - FF450 information)
• White dotted line appears on the left of the picture in VHF/Band I reception. (part of circuit diagram displayed)
• Picture may distort if TT module fitted.
• Crackling sound on "Nicam".
• Accepts tuning channel number but does not alter tuning.
• Blurred coloured blobs on screen. (part of circuit diagram displayed)
• Occasionally the picture is red with flyback lines.
• No power supply. Standby light comes on then goes off.
• Only channel 21 is received in UHF. Picture and sound ok in VHF. Displays the correct channels.
• Picture lacks height "top and bottom " and width "left and right". No correction possible. E/W distortion. (with circuit diagram extract)
• Vertical displacement of approx 5cm towards the top of the screen when warm.
• No EHT or power supply when switched on. 7V=6.3V.
• Switches to standby (after a few seconds). (part of circuit diagram displayed)
• Rolling coloured and white lines. (+ extract of circuit diagram) (FF450 SABA repair tip)
• Audible whistling from the back of the cabinet. (FF450 tips)
• Horizontal lines.
• Loud noises from speaker (at switch-off).
• No picture and strange glow at top of picture. (extract of circuit diagram attached)
• White screen with flyback lines. Beam current limiter fault G2. A450VT has already been adjusted.
• Incorrect horizontal linearity, right part of test pattern is wider than left.
• Switches to standby (intermittently). (with circuit diagram extract)
• Colour fails occasionally.
• TP24 is destroyed, following a circuit break and return to programme 1. (+ extract of circuit diagram)
• Switches to protection mode. after start-up. (FF450 tips)
• Smokes then switches off. (+ extract of circuit diagram)
• Sound is lost intermittently.
• Channels 1, 2, 3 and 4 ok but teletext is green.
• 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.
• Colour fails occasionally. (SABA - FF450 information)
• Dead (intermittently). (part of circuit diagram displayed)
• Occasionally there is a luminance problem when warm. (picture attached) (SABA - FF450 information)
• Menu display in wrong language.
• Service info: Unlocking the code lock.
• Channel tuning number does not correspond to the frequency required. (part of circuit diagram displayed) (FF450 SABA repair tip)
• Code lock.
• Weak signal. (with circuit diagram extract)
• Video disappears and comes back after a few seconds. Sound present. (FF450 tips)
• Sound reduction. It sometimes returns when changing channels.
• PSU fails in various conditions.
• No picture no sound, EHT ok. (part of circuit diagram displayed)
• No switch on from main switch or via RC.
• No HT supplies from DP41, DP37 and DP32. (picture attached)
• Line output transistor S/C. (part of circuit diagram displayed)
• Sound from right channel is missing.
• Power supply transistor blows up at switch on. (picture attached)
• Poor audio.
• No channel tuning in search mode.
• No UHF reception, displays channel.
• Random flashing of lines on screen.
• Switches off for a short time then returns on programme 1 (early F15 chassis).
• All rails are very low, 3V on 158V (158 reads 500 Ohm).
• No text, sound muted. (part of circuit diagram displayed)
• Line tearing/ragging on TXT and OSD. TV picture OK. (extract of circuit diagram attached)
• Part number info: power supply repair
• Line tearing. (part of circuit diagram displayed)
• No picture content. After switching on bright picture with colour flecks, same picture without HF signal. Sound OK. (FF450 tips)
• The picture amplitude is too small. The whole of the picture is recorded in the lower half of the screen. (FF450 tips)
• Intermittent dead. Can be OK for days. (picture attached)
• Goes into black and white, flyback lines then stops. Dead. Starts up again 2 or 3 times then cuts out completely.
• Unstable picture. Horizontal interference on the screen. The sound crackles.
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• No blue. in TXT. Picture OK .
• 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)
• Power supply switches off, breaker circuit doesn't start up even with continuous attempts to start up.
• White screen, no picture. At start up displays 1 and after 5 secs 88, no function possible 5V OK, 20V OK.
• Will not go into standby cleanly when hot, it will pulse between standby and on 5/6 times before finally staying in standby.
• Replacement of the diode split transformer in old chassis ICC5 and new chassis ICC5-01.
• Intermittent NICAM sound.
• In safety mode after working for a long time appliance trips then stops. Display off.
• RC part number.
• No stereo reception on channel 60. (extract of circuit diagram attached)
• Poor focus. (extract of circuit diagram attached) (service info for SABA -FF450)
• Channel raster has shifted by two or more channels.
• Variable sound and picture crackling with snow.
• No picture, picture appears after each channel change then disappears a few seconds later. Sound ok. (+ extract of circuit diagram)
• No tuning of channels. Switching programmes OK, but when channel is pressed, channel does not flash.
• No channel storing.
• No colour in Secam, ok in Pal. RGB ok.
• Moire pattern. after warm-up.
• No UHF or VHF on the tuner. Pin 6 of the UHF on 33V permanently.
• No colour. (with circuit diagram extract)
• PSU collapses/cuts off. (picture attached)
• Trips after 15-20 mins. (with circuit diagram extract)
• Loss of red.
• No channel storing.
• No picture just scanning lines. Incorrect frame speed. (picture attached)
• Sound VHT is correct but there is no picture and the screen is black.
• Picture shifted vertically. at bottom. (picture attached) (FF450 SABA repair tip)
• No TXT. Intermittently low contrast picture in TXT mode. (with circuit diagram extract)
• Dead. Standby LED does not light. Standby LED lit . No RC functions. (extract of circuit diagram attached)
• Reduced horizontal size. (part of circuit diagram displayed)
• TP48 fails after short time.
• Pincushion potentiometer PG08 acts as width control. (part of circuit diagram displayed)
• 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. (service info for SABA -FF450)
• Poor vertical linearity.
• Very poor colour. Looks like indent fault.
• Program site is displayed but the appropriate picture does not appear. If fine tuning is activated, picture appears.
• Tuner cutting out occasionally.
• Blurry picture.
• The TV locks in low range frequency. (extract of circuit diagram attached)
• Colour bleeding.
• Stops at random, standby LED off. Start up again possible by ON/OFF switch. (+ extract of circuit diagram)
• Cannot be switched over from all channels. (FF450 SABA repair tip)
• No audio.
• TL31 heats up and blows after 5 mins.
• After changing the CRT base, there is HT flashover which appears as crackling sound and flickering picture. (service info for SABA -FF450)
• No focus. (+ extract of circuit diagram)
• No audio.
• No horizontal deflection (intermittently).
• Operation OK. Dark screen, no sound. RCU OK. As in AV position no snow or thermal tube noise. (extract of circuit diagram attached)
• Poor quality sound in FM, ok in AM.
• No red in picture or TXT. (+ extract of circuit diagram) (FF450 tips)
• No tuning.
• Protection mode activated. Standby LED flashes .
• Double picture. Picture shifted 1mm.
• 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.
• 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.
• No colour when cold.
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• Negative picture, striped and running through in UHF. OK in VHF.
• No picture. No audio. when changing channels.
• VHF band 1 fails occasionally. Snow and sizzling in the sound. Band 3 and high channels are ok.
• Weak UHF and VHF reception.
• Sound pulsing off and on Nicam lights flashing.
• No synchronisation. TXT OK .
• Picture geometry problems.
• Switches to protection mode. intermittently.
• Colour bleeding.
• Crackle effect on sound. Intermittent lines across picture. (with circuit diagram extract)
• The appliance starts up after a few mins.
• No signal. after a few minutes.
• Spare part no. info: Power supply repair kit.
• No horizontal amplification.
• Hum bar. (+ extract of circuit diagram)
• Black screen. Switches to RGB in Canal Plus. Sound OK.
• When the appliance switches off, a spot appears on the screen. (extract of circuit diagram attached)
• Poor base command. TL31 at -0.4V instead of -0.8V, correct format.
• Unfocused raster. (picture attached) (FF450 tips)
• No grey scale. Functions in SCART.
• Thump from speaker intermittently.
• Sharp picture but negative and pale. Service mode OK. (FF450 tips)
• When increasing contrast or on bright video scenes, chroma disappears and 1 or 2 vertical fine black lines appear on left of screen.
• Spare part no. info: power supply repair kit.
• Field collapse to approx 12 lines in centre of screen. (part of circuit diagram displayed)
• No colour (via SCART). (SABA - FF450 information)
• No HF signals received. Band switch over is not possible.
• Picture lacks blue colour until the brightness is turned up, then blue flares across the picture. (extract of circuit diagram attached)
• No audio. No picture. (picture attached) (SABA - FF450 information)
• No sound except on the headphones and the scart plug.
• No UHF, VHF reception. Similar picture without an aerial.
• Distorted verticals only on top.
• Intermittent trip/chopper failure.
• Occasionally dead, then snow. Goes into standby by the RCU and only starts up again after 30 secs.
• Dead. Standby LED lit .
• Power supply does not start up. No standby. 5V present. IR01 is ok. TEA2029 is ok. No oscillation on the primary circuit.
• Primary power supply fails under load. (with circuit diagram extract)
• Vertical lines are jagged. (picture attached)
• PSU starts up 1 time out of 10. At switch off, green dot lights up and then goes out.
• Intermittent sound from right-hand speaker.
• Excessive green. (extract of circuit diagram attached)
• Start up is difficult and occasionally impossible with the IR remote control.
• Crackling audio. Snow in picture. (picture attached)
• Line transformer vibration on white pictures.
• Display shows channel only. (+ extract of circuit diagram)
• Weak blue until the brightness is turned up, but then blue flares. (+ extract of circuit diagram) (service info for SABA -FF450)
• Moire effect in the colour areas.
• Slight picture jitter in the vertical synchronisation. (+ extract of circuit diagram) (FF450 tips)
• No picture (after a few minutes).
• Trips then shuts down. (FF450 tip from SABA)
• Reduced width and width control has little or no effect. (picture attached)
• No brightness. Audio OK .
• No brightness (intermittently).
• Green screen.
• Shifts 8 channels after being put back into service mode.
• Resistor RP01 on the power supply module burns.
• Loss of sync on teletext. Mix teletext/picture ok. (SABA - FF450 information)
• After working for a while, RVB lines appear at the top of the screen.
• No audio. after a few minutes. No picture. after a few minutes. (part of circuit diagram displayed)
• Sound distorted when volume increased.
• Flickering on channel 60 and on special channels.
• Switched mode chopper transistor blows fuse at switch on. (with circuit diagram extract)
• Receives no HF signals. Band switch over is not possible. (extract of circuit diagram attached)
• SAT switch over is defective.
• Trips when aerial is inserted. (part of circuit diagram displayed)
• No stereo LED operation.
• In cold state of the television receiver, the thyristor DL21 (ESM740G) in the vertical stage may not switch on.
• Failure of LG11 in line output circuit. (picture attached)
• No UHF channels. when cold.
• Tuning drifts (after a while).
• No blue on TXT. Picture OK. (+ extract of circuit diagram)
• Unstable operation of the oscillator.
• No audio.
• TP48 fails after a few days.
• No standard switching. Blocked on PAL. (part of circuit diagram displayed)
• No picture. There is a white raster on the right of the screen.
• Channel tuning possible up to channel 45. 5 is obtained on channel 39 and afterwards no fine tuning possible. Eg. 2 on channel 59.
• Channel programming is impossible. The channels are defective on the display.
• No sound or vision. (+ extract of circuit diagram)
• Only rainbow effect (picture foldover).
• RC part number.
• No blue. (+ extract of circuit diagram)
• Service info: Unlocking the code lock.
• RV82 (10R) on tube board blows repeatedly.
• 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.
• How to disable key code.
• Blank screen. Rolling lines around top. (+ extract of circuit diagram)
• Black rapid flashing.
• No colour in SECAM. Functions in PAL via scart.
• Low HV. (with circuit diagram extract)
• No start up with RC. Functions OK with RC when switched on manually.
• Blank screen with coloured dots/interference and possible smell of over heating.
• Rainbow on the screen.
• Picture appears slowly. (+ extract of circuit diagram)
• Part number info: processors.
• No scanning. When appliance is switched on green bars then they disappear. FBT is ok. Function is ok.
• Does not switch on and no standby.
• Poor start up, RC must be pressed for a long time. (+ extract of circuit diagram)
• Channel raster has shifted by two or more channels. (with circuit diagram extract)
• Dead. Standby dot lights up for 1 sec. at switch off.
• Part number info: power supply repair
• No centering adjustment toward bottom.
• Vertical roll. (part of circuit diagram displayed)
• Poor colour.
• No sound or picture. Teletext functions. Static discharge. New appliance.
• Frame jumping or twitching. (with circuit diagram extract)
• Defective frequency plan. (FF450 tip from SABA)
• Sound makes a noise on both channels and is dependent on the volume setting.
• No start up of PSU. 300V present.
• Poor reception. in UHF. Hum in audio. (FF450 tip from SABA)
• Volume changes by itself or distorted sound.
• Signal and tuning are missing.
• No audio. STEREO OK .
• No colour. (picture attached)
• NS pincushion distortion. More at the bottom than at the top.
• The channel display is incorrect (eg.when receiving channel 36, the display shows channel 38). (part of circuit diagram displayed)
• No reception.
• Coloured flyback lines over picture. (+ extract of circuit diagram)
• No picture. via RF output (intermittently). OK via SCART . (part of circuit diagram displayed)
• No signal.
• After an hour dark screen, no sound, display is correct. The display remains on the channel selected then a moment afterwards goes into standby.
• Picture white out.
• The sound cuts out when warm.
• Difficulty starting up. When started up it functions for a few mins. (picture attached)
• Reduced vertical and horizontal size.
• No picture. Lines in picture. intermittently. (with circuit diagram extract) (FF450 tips)
• Improving the reliability of TP24 (S2000 or BU508). (picture attached)
• Horizontal rotating lines approx 5-8cm high. (with circuit diagram extract)
• TV cuts out intermittently. No sound. (picture attached)
• Does not change channels. (with circuit diagram extract) (FF450 SABA repair tip)
• No NICAM sound. Normal sound OK.
• A useful note with these appliances.
• Picture is too dark - coloured edges on the right.
• Poor start up performance of the power supply. (extract of circuit diagram attached)
• Unable to tune in fully.
• 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.
• Blank screen with out of focus blob in bottom centre of screen.
• Picture detuned on all channels.
• Brightness of display is adjustable.
• High pitch whistle on sound, varies with volume mainly on IBA transmission but can occur on BBC.
• Functions well but occasionally picture turns grainy as if there was a reception fault. Occasionally 5 and 6 disappear. IF screening ok.
• Intermittent colour.
• Power supply BU blows after operating for a short time. (+ extract of circuit diagram)
• Loud noises from speaker (at switch-off).
• No or poor synchronisation. (+ extract of circuit diagram)
• Intermittent colour.
• No picture. No audio (intermittently).
• Faulty raster. (extract of circuit diagram attached)
• No audio (after start-up).
• Looks like crt low emission. (part of circuit diagram displayed)
• Top half picture blank, bottom half bright flyback lines.
• No audio.
• Channel raster has shifted by two or more channels.
• Vertical interference line (1/2cm wide) at left of picture on low channels.
• The picture moves out of its frame when the appliance is warm.
• Dead. (extract of circuit diagram attached)
• No picture. Sound will not tune. (part of circuit diagram displayed)
• Intense patterning on picture, silvering effect on all white areas.
• Part number info: RC
• Dark picture with 3 RGB lines. Sound available.
• Loss of channel 1.
• Loss of memory. All program sites on C00.
• Crackling audio.
• Loss of light after 15 minutes.
• Fades out or very dim.
• No AGC.
• Intermittent audio. (SABA - FF450 information)
• No Canal Plus decoding.
• Picture height below the centre of the screen. (FF450 SABA repair tip)
• In time picture increasingly wanders down the screen.
• Intermittent unlocked colours.
• Child lock.
• Shuts down. after start-up.
• No B-Y. (+ extract of circuit diagram)
• Nicam is intermittent.
• No video signal. Sound and TXT display OK.
• Spitting noise from speaker. Intermittent digital sound. NICAM LED's go out.
• Loud noises from speaker (at switch-off).
• The sound disappears when the appliance is warm.
• Powers up, LED flashing once.
• Occasionally static discharge.
• No green. (extract of circuit diagram attached)
• 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.
• Dead (after start-up).
• After operating for 5 mins in black and white, it loses G2 and turns mauve.
• In cold state of the television receiver, the thyristor DL21 (ESM740G) in the vertical stage may not switch on. (with circuit diagram extract)
• 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. (with circuit diagram extract)
• Low FM audio, high background noise. (FF450 tip from SABA)
• Intermittently no adjustment of sound with RC. RC OK. IR receiver OK.
• Thumping noise from one channel at switch on.
• No start-up (intermittently). (picture attached)
• No picture. Single lines approx 2ins apart. Raster appears if height or field shift adjusted. (picture attached) (service info for SABA -FF450)
• Intermittent audio.
• Empty lines in top part of picture.
• No brightness.
• When going into standby with RC, impossible to start operating again with the RC and light flashes after a few moments. (+ extract of circuit diagram)
• Replaced small transformer which was burning but TV remains in standby and FBT crackles for 5-6 secs then nothing.
• VHF is ok, no UHF or very little.
• Narrow horizontal lines in the picture. (picture attached) (service info for SABA -FF450)
• Channel numbers cannot be entered.
• Horizontal line. at top. (+ extract of circuit diagram)
• Picture shifted vertically. at top.
• Wavy picture on right side. Switches off after 5 to 10 mins. (picture attached)
• Flickering picture. No picture. after a few minutes. (part of circuit diagram displayed)
• 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.
• Line amplitude is too strong and there is a problem with the east/west cushion.
• Moire pattern. when cold.
• PSU does not oscillate correctly. (picture attached)
• 3 to 4 pulses of line transformer then nothing.
• Some text pages not available. (extract of circuit diagram attached) (FF450 tip from SABA)
• Only rainbow colours (picture running through).
• TP24 blown when appliance goes into standby.
• 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)
• Mains transistor TP24 (S2000AF) blown straight after being turned on.
• Vertical fault.
• The appliance switches to BG standard.
• Receiver goes off after tripping of power supply.
• Missing B-Y. (FF450 tip from SABA)
• Intermittently noise breaks through on NICAM sound.
• How to disable key code.
• No V1, V2 or VS supplies.
• Intermittent crackle on sound. (FF450 tips)
• With audio module black picture with unstable green bars. Without an audio module snowy picture but no reception.
• No channel storing. (+ extract of circuit diagram)
• Crackling, occasionally squealing after operating for approximately 20 mins. (FF450 SABA repair tip)
• No channel storing.
• When switching on with RCU, appliance does not react unless you are approx 1m away from it.
• With a 220V/100W load or with line connected, power supply stops but functions with the line disconnected.
• TL29 fails in B and C after start up.
• Loud noises from speaker (at switch-off).
• Dark picture. (picture attached)
• Intermittently blocks in AV. The channels remain displayed on the display.
• PSU and high voltage pump three times. (extract of circuit diagram attached)
• Intermittent OSG display and sound is reduced. (+ extract of circuit diagram)
• The channel frequency shifts for 3 seconds then shifts again. (with circuit diagram extract)
• Blows 1.6A fuse. (+ extract of circuit diagram) (FF450 SABA repair tip)
• 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) (service info for SABA -FF450)
• Vertical pinching fault on the picture and vertical linearity fault. (extract of circuit diagram attached)
• Occasionally memorized data of control unit processor is lost at switch on or switch off with mains switch.
• Part number info: processors
• The appliance switches off automatically and loses its station memory.
• The picture only appears after about 3 or 4 minutes and then turns red or blue.
• Channel 60 and special channels flicker. U6 (30V) too low.
• Blank raster, sound + EHT OK, no r.g.b. Out of IV21 (HA11498). (picture attached)
• No sound. No picture. No OSD. Only purity spots.
• No TXT, although control shows appliance is in TXT. (SABA - FF450 information)
• Spare part no. info: Power supply repair kit.
• No reception or sound. Brightness is OK. (FF450 SABA repair tip)
• No standard switch over. No SECAM.
• Only rainbow colours (vertical deflection error). (+ extract of circuit diagram)
• No tape-end shut off, changing IT20 and IR01 does not cure the problem, no reception on all channels only white shimmer.
• AGC problems. Poor reception. (extract of circuit diagram attached)
• Intermittent power up; line at top. (picture attached)
• Red raster. Flyback lines. (with circuit diagram extract)
• No stereo reception on channel 60.
• No red on TXT. Picture OK.
• 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. (SABA - FF450 information)
• A1 voltage.
• Does not switch standards, remains in PAL.
• 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.
• Slow start-up. (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.
• Hum bar. Vertical collapse. after warm-up. (extract of circuit diagram attached)
• Shuts down.
• Intermittent loss of channels from memory after switching on again. (+ extract of circuit diagram)
• Intermittent colour when setting picture geometry.
• Horizontal collapse. (with circuit diagram extract)
• Power supply shuts down. Line drive pulls HT down.
• No picture. (extract of circuit diagram attached)
• Wrong display. Low light with no picture or sound.
• NICAM sound crackles and is distorted.
• Wavy ripples from side to side. (part of circuit diagram displayed)
• White wavy line across the middle of picture 1in wide. (with circuit diagram extract)
• Height of picture shifted below centre of screen. (part of circuit diagram displayed)
• No switching possible in standard LL. (part of circuit diagram displayed)
• Blurred colour blobs on screen.
• Blows line output transformer.
• Appliance functions in VHF but not in UHF. Snow is present.
• Intermittently when changing channel, black bars and no picture on channel 23. (extract of circuit diagram attached)
• No horizontal deflection.
• No PIP. (FF450 tips)
• Height reduces. Creeps up from bottom. (+ extract of circuit diagram)
• No NICAM sound.
• Dead apart from "88" in display. (extract of circuit diagram attached)
• After 5 mins stations disappear. Wrong characters with the volume OSD. Colours and size change.
• Moire effect in the colour areas.
• Appliance has no HF reception. Snowy picture. (FF450 SABA repair tip)
• Colour cuts out occasionally.
• TV does not start up. Power supply does not decouple.
• Part number info: processors
• No reception. No UHF or VHF. Channels are displayed correctly. (FF450 tip from SABA)
• Bright picture. Flyback lines.
• No raster with text board fitted. (extract of circuit diagram attached)
• Smearing in picture. (+ extract of circuit diagram)
• Channel raster has shifted by two or more channels. (extract of circuit diagram attached) (FF450 tip from SABA)
• Power supply BU blows after 10 secs. Correct power supply attempted with line transformer load disconnected.
• No sound, picture is ok.
• Ticking noise on sound and intermittent sound mute.
• No reception and the display is in German.
• Only white noise, channel LEDs do not light up.
• Picture appears to pulse or flutter.
• No colour.
• TL17 shorts at start up.
• Remains blocked in PAL.
• No display. after a few seconds. AV OK .
• 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. (picture attached)
• Picture and sound disappear after approx 5-10 minutes. Not heat-sensitive.
• Intermittently unlocked colour. (FF450 tips)
• No signal.
• Low FM sound. High background noise.
• Service info: Contrast- and beam current adjustment after replacing chroma video module.
• No colour, no brightness. Only one colour on TXT or certain colours are missing. (FF450 SABA repair tip)
• Poor horizontal synchronisation. when changing channels.
• Volume changes by itself or distorted sound.
• No sound and occasionally the mute function is activated.
• No SECAM. Only PAL, even adjusting it to SECAM F. Remains in PAL. OK via scart.
• Loss of red. (extract of circuit diagram attached)
• Line tearing in TXT.
• 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. (part of circuit diagram displayed)
• Constant red, green and blue line scanning.
• No picture. via tuner.
• Picture is almost dark, colours are weak and the Y-signal is too weak.
• Red picture (after a while).
• Stations drift off tune by channel input. Can only be adjusted by fine tuning.
• Colour flashing in and out. (FF450 SABA repair tip)
• RC part number.
• Appliance has no HF reception. Snowy picture. (+ extract of circuit diagram)
• Loud tripping noise from the output stage. Trips three times then dies. (with circuit diagram extract)
• Snowy picture after 20 mins. (extract of circuit diagram attached)
• No high voltage or line signal control. (+ extract of circuit diagram)
• No synchronisation (intermittently).
• Appliance has no HF reception. Snowy picture. (with circuit diagram extract)
• Intermittent loss of colour while setting up picture geometry. (SABA - FF450 information)
• No programming.
• Short lived line output transformer. (+ extract of circuit diagram) (FF450 tip from SABA)
• Only rainbow colours (vertical deflection).
• Part number info: power supply repair (SABA - FF450 information)
• Ringing in picture. on the left. (picture attached)
• 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.
• Occasionally the appliance is blocked. (+ extract of circuit diagram) (service info for SABA -FF450)
• Heavy patterning on picture. Turning colour down patterning disappears, but the B/W picture has silvery effect on white areas.
• No red in graphics display. (+ extract of circuit diagram)
• Functions in PAL. Does not take the Secam standard. (extract of circuit diagram attached) (service info for SABA -FF450)
• Fuse and power supply transistor defective.
• Occasional tuning drift and breakup of picture. (FF450 SABA repair tip)
• No picture. Horizontal collapse. Audio OK . (+ extract of circuit diagram)
• Red coloured spot at the bottom left of the screen.
• The display indicates 88.
• After operating for a few minutes, channels 59 and 62 disappear: picture is replaced by snow.
• Service info: Function of the E/W stage.
• Channel raster has shifted by two or more channels. (picture attached) (FF450 SABA repair tip)
• No OSG, (on screen graphics). Although no OSG, picture functions can still be altered.
• No vertical synchronisation. (extract of circuit diagram attached)
• Line whistle. (part of circuit diagram displayed)
• No or intermittent picture. via RF output. OK via SCART . (extract of circuit diagram attached)
• Loud crackling noise from right hand loud speaker at switch on.
• No blue. (part of circuit diagram displayed)
• At start up, time base and EHT for a moment then cuts out. No standby light on.
• No start up. No drive pulse for PSU Pin 7 IC14 (TEA2029). (picture attached)
• Intermittent crackling in the picture (horizontal black lines).
• No sound or picture except in scart. (extract of circuit diagram attached) (FF450 tip from SABA)
• Flickering on channel 60 and on special channels.
• Mains switch does not lock on.
• No switch on at all. No standby LED or programme display on front panel. (extract of circuit diagram attached)
• Service Info: Unlocking the code lock.
• Appliance trips and shuts down, sound or raster is missing.
• No RC functions. after warm-up.
• Picture has severe distortion at top and bottom. Changes with line amplitude. (with circuit diagram extract)
• Lines from top to bottom of screen.
• VHF band 1 occasionally fails. Snow and sizzling noise in sound. Band 3 and high channels are ok. (FF450 tip from SABA)
• Picture jitters.
• Hum on picture and noisy chopper transformer.
• Power supply doesn't start up.
• Malfunctioning AGC adjustment. (extract of circuit diagram attached)
• Colour bleeding.
• No channel storing.
• Line BU blows after some time.
• No sound. Hiss only. (SABA - FF450 information)
• Back cover anti-vibration kit. (FF450 SABA repair tip)
• Various breakdowns due to U1=7V.
• No HV. (part of circuit diagram displayed)
• Blank raster. White and RGB lines at bottom of screen. (+ extract of circuit diagram)
• No normal sound just white noise. NICAM OK.
• No correct reading on the display.
• Displaced channels eg. M6 on channel 41 instead of 50. No channels between channel 21 and 36. (with circuit diagram extract)
• Spare part no. info: Power supply repair kit.
• No audio.
• No picture and screen is dark. Safety function does not work. (extract of circuit diagram attached)
• Remains in PAL when cold.
• TP24 is defective. (extract of circuit diagram attached)
• When cold trips 3 times with crackling in the speaker, then safety mode. When warm trips then starts up. (part of circuit diagram displayed)
• Appliance blocks in PAL. Operates in video cassette and channel. Telecom display is abnormal. L equals sound, H equals light and F equals colour.
• No picture, sound o.k. High voltage and power supply in good order.
• 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 via scart and Canal Plus. (FF450 tip from SABA)
• Teletext clock stops. Each 5cm high part of the picture is missing. (extract of circuit diagram attached)
• No picture. A flyback is apparent when you increase the G2. (with circuit diagram extract)
• Intermittently switches between programme 1 and AUX. (picture attached) (FF450 tips)
• After switch on power supply pulsates three times. (with circuit diagram extract)
• Thin black lines across picture. Intermittent arcing. (part of circuit diagram displayed) (SABA - FF450 information)
• Blank raster. Flyback lines. (extract of circuit diagram attached)
• Intermittent tripping, display ok. Possible start up again via On/Off switch.
• No channel storing.
• Non-linear. Cramped at top. (part of circuit diagram displayed)
• Channel indication flashing 1, will not tune or adjust.
• Picture interference at the top and bottom, which changes with the line amplitude. (with circuit diagram extract)
• No line drive. (with circuit diagram extract)
• No picture. intermittently.
• Channel 60 and special channels flicker. U6 (30V) is too low.
• Automatically comes out of TXT mode leaving a dull, uncontrasted picture. (part of circuit diagram displayed)
• Rainbow effect on lower picture edge, otherwise no picture.
• The power supply blocks.
• Display flashes and turns dark. Channel displayed but cannot be adjusted. RC OK.
• Line output transistor fails repeatedly.
• Programming impossible but responds in SERVICE mode.
• Intermittent large noise bands. Picture OK via SCART socket.
• Brightness varies. (extract of circuit diagram attached)
• No sound or picture. No digits lit on display except STEREO and STEREO S2 lit.
• Cut-off adjustment.
• Disable electronic lock.
• Spare part info: value of RL55.
• Brightness problem, display works well but no variation. Contrast and colour ok. Clock data and enable data ok.
• No picture appears in PAL. (FF450 SABA repair tip)
• No sound at switch on.
• Echo on picture.
• The 1.6A fuse is open circuit. (with circuit diagram extract)
• No or low start-up volts at IL14.
• Line transformer does not start up.
• Poor audio.
• No sound or signal.
• Loud noises from speaker (at switch-off). (FF450 SABA repair tip)
• Does not store settings. (FF450 SABA repair tip)
• Random OSD characters all over screen. (picture attached)
• Contrast is low in text mode, TV and mix modes are ok.
• Colour cuts out occasionally.
• No NICAM sound, normal sound ok.