688096 / SBR [TV]

• No TXT the indication light lights up. (with circuit diagram extract)
• No audio. (with circuit diagram extract)
• East/west correction is defective or the power supply gurgles. (with circuit diagram extract)
• Arcing. (+ extract of circuit diagram)
• Lines in picture. at top . (with circuit diagram extract)
• PSU hiccups.
• Intermittently parallel stripes on one part of the screen. Shock sensitive.
• Picture horizontally unstable. (with circuit diagram extract)
• Low contrast. in TXT. (extract of circuit diagram attached)
• Very loud sound, not adjustable. No display.
• Code numbers for picture tube prints.
• Line output transistor (BU508) defective. (picture attached)
• No picture, no sound, power supply squeaks because thyristor 6171 conducts. By temporarily removing the thyrister, measure the 141V for 5 seconds until 150V. Afterwards the appliance plays fine.
• At switch on there is a loud trumpeting and no picture. (picture attached)
• No MONO audio. STEREO OK . (688096 tips)
• Teletext only shows a green notice "P100" running on the screen, or Teletext is displayed but out of sync.
• Deflection BU fails after approx. 1-2 weeks. (service info for SBR -688096)
• Jitter with VCR on freeze frame. (part of circuit diagram displayed) (688096 tips)
• Front display corrupt, all segments lit to a varying degree. (+ extract of circuit diagram)
• Normal off air picture is fine but teletext is very dim with hardly any contrast. (extract of circuit diagram attached)
• Picture unstable on certain stations when cold. Also TXT horizontally unstable.
• Muted audio. (extract of circuit diagram attached) (SBR - 688096 information)
• Dark picture. Audio OK . (+ extract of circuit diagram)
• Picture width twitches. Beam current dependent. (+ extract of circuit diagram)
• Peak white bright band approx. 4" across screen. Then set dead. (part of circuit diagram displayed)
• Brightness and colour saturation influence each other. (+ extract of circuit diagram)
• Loses frame correction slowly. (picture attached)
• Hum in power supply audible. (with circuit diagram extract)
• No colour. IC-TDA3562 has been changed with no result. There must be 2-4V on pin 6 but there is only 0.4V. (picture attached)
• No function. No start up. (SOPS, IV-F-3). (extract of circuit diagram attached)
• Safety test after repair.
• Power supply whistling and the BU508 is S/C. (with circuit diagram extract)
• Switches to standby after a few hours. Can be switched on again but fault reoccurs. Interim period becomes shorter.
• Poor E/W. Centre of picture is pulled inwards. (with circuit diagram extract)
• Dim picture. in TXT. No contrast. in TXT. (part of circuit diagram displayed)
• Switches to standby (after start-up). (688096 SBR repair tip)
• Line deflection BU508V blows.
• Power supply cuts out suddenly and whistles. Ok if line BU removed. (picture attached)
• No line drive. (+ extract of circuit diagram) (service info for SBR -688096)
• Normal values for brightness, volume and colour saturation cannot be stored.
• No picture. intermittently. HV OK. . (extract of circuit diagram attached)
• Green lines. (extract of circuit diagram attached)
• No line drive to line output transistor (part of circuit diagram displayed)
• Vertical lock 1/3 of the way up the screen. (part of circuit diagram displayed)
• Blanking valency in picture (black bar in 3/4 of picture). (extract of circuit diagram attached)
• The display reacts but the tuning does not.
• Dead (intermittently). Squealing from PSU. (picture attached)
• Switches off and on spontaneously, particularly when putting on a video film and when switching over.
• After about 7 days the vertical endstage IC TDA3650 blows again. All the voltages are ok. (with circuit diagram extract)
• Failure of field output chip TDA3650. (part of circuit diagram displayed)
• Slow start-up. (+ extract of circuit diagram)
• Picture is distorted on top. Flyback lines. Picture changes according to picture content. (+ extract of circuit diagram)
• Dark picture. at bottom (after a while). (extract of circuit diagram attached)
• No drive at BU826. (with circuit diagram extract)
• Spontaneous flash over in focus spark gap.
• Flyback lines. when changing channels. (picture attached)
• Blanking of the raster, starting at bottom of the picture. (with circuit diagram extract)
• Reduced horizontal size. (part of circuit diagram displayed)
• Blurred screen. Shifted tuning. Unable to adjust with fine tuning. Sometimes tuning doesn't lock in on stations. (service info for SBR -688096)
• Picture becomes warped. Reacts to brightness and contrast. When there is white in the picture this runs in a line from the left to the right of the picture.
• Sometimes no vertical deflection; random cramping at top of picture. (extract of circuit diagram attached) (SBR - 688096 information)
• Field flyback lines visible for a second or so when channel changed. They then disappeared. (extract of circuit diagram attached)
• Poor IF gain. (part of circuit diagram displayed)
• No start-up. intermittently. Squealing noise. (with circuit diagram extract)
• Picture output IC defective after 2-3 weeks. (extract of circuit diagram attached)
• White lines, no focus, too much brightness. 15cm in the middle of the picture. (extract of circuit diagram attached)
• High-voltage flash-over. (picture attached)
• The colour shimmers or fades. (+ extract of circuit diagram)
• The TXT quivers when a V6100 tuner is connected. (picture attached) (688096 SBR repair tip)
• Top of picture is non linear with teletext lines. (+ extract of circuit diagram)
• Dark picture (intermittently).
• Stuck in standby. (extract of circuit diagram attached)
• Searches for channels continuously. (+ extract of circuit diagram)
• Switches off by itself.
• No functions. (extract of circuit diagram attached)
• No colour. Audio and picture OK . (extract of circuit diagram attached)
• Line output transistor fails repeatedly.
• Temporary crackling from both speakers, then picture fails for a short time. Unfortunately fault no longer occurs at the moment. (picture attached)
• No E/W correction. at bottom. (picture attached)
• BU504 blows after 30 mins. (with circuit diagram extract)
• Switches to protection mode (intermittently). (extract of circuit diagram attached)
• Vertical waves when switching from TXT to normal picture.
• Picture bounces in upper picture third if a poor signal is present at aerial input. Vertical lines twist. (picture attached)
• Error codes. (picture attached)
• Sound becomes lower after switch on. (extract of circuit diagram attached)
• Power supply BU S/C. (extract of circuit diagram attached)
• Repeated power supply failure. (with circuit diagram extract)
• No start-up. Audible noise.
• No picture or teletext, RGB/status line at 2V. (+ extract of circuit diagram) (688096 SBR repair tip)
• On/off LED flickering. All front panel symbols light up but no control. (+ extract of circuit diagram)
• Rolling picture for 5 secs after switching from VHF to UHF. Poor raster synchronisation.
• Black stripes over the whole screen.
• No function, 142V is present but R3292 (680R) blows continuously.
• Vertical IC defective after mounting. (part of circuit diagram displayed)
• East/west code. The sound disappears, the picture is vague and the appliance constantly arches stations.
• No picture. after a few seconds. (+ extract of circuit diagram)
• Non-linearity on vertical sync. (with circuit diagram extract)
• Picture runs from left to right, especially on bright pictures.
• Blows components (intermittently). (+ extract of circuit diagram)
• Switches on, but no EHT available. Channel number disappears and then "E1" is displayed.
• No function, stand-by connection has voltage.
• No picture just loud trumpeting noise. (+ extract of circuit diagram) (service info for SBR -688096)
• Coloured spots in flat square picture tubes.
• Too much brilliance of one cathode of picture tube.
• No function or display when first switched on. Starts up OK at second attempt. (with circuit diagram extract)
• Switches to protection mode (after a few minutes). (part of circuit diagram displayed)
• The power supply unit shuts off after some time and squeaks. (with circuit diagram extract)
• Small picture. Picture height and audio volume vary according to picture content. (with circuit diagram extract)
• The picture appears then disappears. T26 after D6106, varies from 25 to 10Vcc. (picture attached)
• Repeat failure of TDA3650 & 26V supply. (part of circuit diagram displayed)
• Horizontal lines (TXT data) on the top part of the picture. (part of circuit diagram displayed)
• Destroys line output transistors. (extract of circuit diagram attached)
• No picture. in UHF. (with circuit diagram extract)
• Whistling from PSU. (extract of circuit diagram attached)
• TV switches to standby after approx 30 mins. E3 in display. (with circuit diagram extract)
• Horizontal output transistor defective. (extract of circuit diagram attached)
• Replacing line output transistor BU508.
• Vertical waves on both sides of picture. Unstable picture. (extract of circuit diagram attached)
• Beam limiter problem. (part of circuit diagram displayed)
• Lines at the top of the picture depending on the picture content. (+ extract of circuit diagram)
• Rectification of IM 84VK049. (picture attached)
• Red picture (intermittently). (part of circuit diagram displayed)
• Picture darkens (after disappearance of green bar) after tuning and storing channel in memory. No adjustment possible.
• Stereo problems; switching from mono/stereo. Crackling sounds. (+ extract of circuit diagram)
• No red. (extract of circuit diagram attached)
• BU826 and main fuse are defective. When starting after replacement, the power supply hiccups once and is defective again. (+ extract of circuit diagram)
• Goes into standby with E3 and a few seconds later goes to function. (part of circuit diagram displayed)
• When switching channels, TV stops for 1 sec. (688096 tip from SBR)
• Picture rolls. (part of circuit diagram displayed)
• Occasionally noise in TV (like short attempts to start up), picture width variation and display which disappears. (picture attached)
• No start-up. (extract of circuit diagram attached)
• No picture. Loud fizzling noise from line deflection. (extract of circuit diagram attached)
• Erratic functions. (+ extract of circuit diagram)
• Trapezium ininformation. (+ extract of circuit diagram)
• No horizontal deflection. (extract of circuit diagram attached)
• Repeated failure of BU508A line output transistor. (extract of circuit diagram attached)
• Blank raster, turning up A1 control shows frame collapse. (extract of circuit diagram attached)
• Horizontal sychronisation is distorted. (extract of circuit diagram attached)
• Dark picture, also by TXT/Scart. Colour OK. (with circuit diagram extract)
• The focusing pot. blows. (extract of circuit diagram attached)
• Noise in picture. (picture attached)
• No sound or vision and E3 on the display. (with circuit diagram extract) (688096 tips)
• No vertical synchronisation. (+ extract of circuit diagram)
• Low audio. (part of circuit diagram displayed) (688096 tips)
• Flyback lines in TXT broadcasts. Upper vertical linearity is defective. (part of circuit diagram displayed)
• Upper vertical linearity defective. Flyback lines on TXT broadcasts. (+ extract of circuit diagram)
• No startup. Banging noise audible.
• Picture shifts and jitters depending on picture content.
• Goes into standby each time channel is changed manually or by the RCU.
• UPD8049PC SAA063 has been changed. The display shows 80.
• Muted audio. intermittently.
• Intermittent loss of sound and vision, with just snow and no channel display. (+ extract of circuit diagram)
• The vertical lines are ribbed, especially in the test picture. (extract of circuit diagram attached)
• After switch on program display P1, then E1. No functions. (extract of circuit diagram attached)
• The sound cuts out occasionally. Only FM noise is heard through the loud speakers. (part of circuit diagram displayed)
• V resistor 3186 (2R2/raster unit) burns at switch on. (part of circuit diagram displayed)
• Dead. No line drive. (+ extract of circuit diagram)
• No synchronisation. (688096 tips)
• Total loss of memory immediately after CTV is switched off (brightness, colour, contrast, sound and channels). (picture attached) (688096 SBR repair tip)
• The appliance gurgles occasionally. (with circuit diagram extract)
• Hum in picture. Error disappears after approx10 mins operation.
• Teletext only shows "P100" flying all over the screen out of sync, or shows a teletext page out of sync. (SBR - 688096 information)
• Channel drifts briefly into UHF between approx channel 30 and 37.
• All presettings disappear after turning on the appliance.
• Intermittent loss of colour and picture sways. (+ extract of circuit diagram)
• Bright picture. Flyback lines.
• Occasionally thin white lines, picture bounce at the side and top edge.
• No raster. Audio OK . (+ extract of circuit diagram)
• Herringone pattern and upper channels are not accepted when tuning.
• No picture. Green and pink raster at the top. (part of circuit diagram displayed) (688096 tips)
• No channel storing. (688096 tip from SBR)
• Picture lacks width after 5mins from start-up. Displays E3. (with circuit diagram extract)
• Picture too large, E/W indented.
• HT transistor blows continuously (short circuit). (SBR - 688096 information)
• Picture jitters on the upper picture edge. Ok after 5 mins. (with circuit diagram extract)
• Incorrect TXT, ie. instead of a 6, an 8 will appear, or the appliance goes back to regular picture position. (picture attached)
• PSU switches frequently to protection mode (also when lamp is connected). (with circuit diagram extract)
• Flashover then weak contrast. (part of circuit diagram displayed)
• Adjustment.
• Pictures bows at edges. Width can be adjusted. (part of circuit diagram displayed)
• No picture. When switched on, display shows 5 (no bottom segment) and EXT4. E3 after a few secs. (picture attached)
• Signal/sync/timebase drive problems.
• Picture-sound-display is intermittent. (+ extract of circuit diagram)
• Muted audio. after a while. (+ extract of circuit diagram)
• No start up, displays E3. No 13V. (with circuit diagram extract)
• The picture is nearly or completely invisible if a CDI player is connected on K40 full SCART (RGB) and the screen dimmer is activated. (part of circuit diagram displayed)
• The appliance may cut out occasionally and then there is no more picture or sound.
• Only half of picture and there is a lot of light. (part of circuit diagram displayed)
• No picture. Sound available. Intermittently picture appears for 1 sec.
• Horizontal deflection is poor. (extract of circuit diagram attached)
• Faint raster. (with circuit diagram extract)
• E/W fault. (extract of circuit diagram attached)
• Whistling noise from FBT. (with circuit diagram extract)
• Whistling. No error display.
• EHT arcing.
• In display all segments lit.
• Picture takes 10 mins to appear. (+ extract of circuit diagram) (SBR - 688096 information)
• Doesn't switch to standby. Standby LED OK, no display, but picture and sound remains.
• There is an occasional banging noise, the picture shakes. (picture attached)
• Coloured lines and sloping picture. (part of circuit diagram displayed)
• No audio. Picture OK . (picture attached)
• Picture intermittently goes to negative or is shifted laterally.
• Raster shifted upward. Picture OK.
• Picture OK but display only shows signs.
• Flashing picture when using RC. OK when operated manually. Reacts ok to vol, brightness and colour. Switches off when no. entered. Display lights briefly then switches to E3. Manual operation OK after switch off. No operation of RC. (+ extract of circuit diagram)
• Picture synchronization in the top third of the screen. (part of circuit diagram displayed)
• Memory loss. (688096 tip from SBR)
• TXT-replacement.(4822 212 21008T). (picture attached)
• Set does not go to standby although the LED is lit up. (extract of circuit diagram attached)
• Lightning flash; K40 and KT4 are very sensitive to induction voltage. (+ extract of circuit diagram)
• Rolling picture and warps vertically. (extract of circuit diagram attached) (688096 SBR repair tip)
• No picture (intermittently). (picture attached)
• Hiccups when changing channels. (with circuit diagram extract)
• Tuning voltage blocked on 33V or 0V (TRD sets).
• Focus control replacement. (picture attached)
• K9/K11 band switch.
• Cycles on/off.
• Switches to program 1, but no function. Whistles.
• C/P button on the front control does not function. (SBR - 688096 information)
• Dark picture. (+ extract of circuit diagram)
• No start-up (when cold). (extract of circuit diagram attached)
• Fuse 1101 fails continuously. (+ extract of circuit diagram)
• Occasionally the channel memory or the preselector do not work. (SBR - 688096 information)
• Poor focus. (picture attached) (SBR - 688096 information)
• The station memory loses the station programming after about 3 weeks.
• TV picture slightly visible when in TXT mode. (+ extract of circuit diagram)
• How to store personal preferences (PP).
• No picture just very bright raster at centre of screen. (part of circuit diagram displayed)
• Does not stop at S channels during station search. Appliance should be suited to do so.
• Flyback lines. at top (in TXT). (picture attached)
• Poor RC sensitivity. (picture attached) (688096 tip from SBR)
• Line tearing in upper third of picture after longer operation. (with circuit diagram extract)
• No line osc. (picture attached)
• Intermittently picture blanks for approx 1 sec. (with circuit diagram extract)
• Focus problems. Shuts down (after a few minutes). (with circuit diagram extract)
• Output signal is occasionally O/C when shown on oscilloscope.
• No picture at start up. Channel storage ok. Sound, colour, contrast and brightness balance are not stored.
• Very bright raster in the centre of the screen. No video signal content. Top and bottom third of screen are dark. (with circuit diagram extract)
• Blank screen (intermittently). (part of circuit diagram displayed)
• East/West fault.
• After it has been replaced line BU blows every 2 to 3 days. (part of circuit diagram displayed)
• No vertical deflection. (picture attached)
• Visible flyback lines and colour tints problems. (+ extract of circuit diagram)
• Noise line on one side of screen. (picture attached)
• Switches to protection mode (after a while). (picture attached)
• Non linear picture. (part of circuit diagram displayed)
• No REC and PB. PSU hiccups. (+ extract of circuit diagram)
• Interference on channel 2 with TRD 4 system. (with circuit diagram extract)
• After operating for 12-14 days, the line-BU blows. (extract of circuit diagram attached)
• Intermittently loses vertical sync. Black line slowly moving up and down picture. Picture and sound OK. (extract of circuit diagram attached)
• Hums and crackling. LED flashes. (picture attached)
• There is an occasional beating noise.
• Instable picture. Picture height and picture width change depending on the volume. Picture folds over at the top.
• Dark screen. R3186 blows up. What is the value of R3186? (with circuit diagram extract)
• Video and bottom half of scan are missing with extremely bright raster. (+ extract of circuit diagram) (SBR - 688096 information)
• Starts with E1 and intense fizzling sound. No picture or sound. (+ extract of circuit diagram)
• No functions. at start-up. Whistling. at switch-off.
• Intermittently dead. (part of circuit diagram displayed)
• Snowy raster. (part of circuit diagram displayed)
• Flyback lines. at top. (extract of circuit diagram attached) (SBR - 688096 information)
• After switching on occasional crackling from the speakers. Picture content therefore fails for a short time. Somehow there is still something to recognise on the screen. Line deflection must be present. (+ extract of circuit diagram)
• Linearity fault in upper part of screen.
• No image or sound after start up. Does not lock channels. After 1-2 minutes it comes back to normal. (extract of circuit diagram attached)
• 300V from power supply.
• PSU and line transformer chirp. (+ extract of circuit diagram)
• BU508 fails continuously. (picture attached)
• PSU is defective. (extract of circuit diagram attached)
• One colour missing (intermittently). (picture attached)
• Horizontal collapse. after warm-up. No E/W correction. intermittently.
• In the middle of the picture a stripe which is approx 15cm high appears over the entire picture width.
• Picture has shifted inwards in lower picture section. (+ extract of circuit diagram) (688096 tip from SBR)
• Poor audio. only on one channel. (+ extract of circuit diagram)
• No raster. (+ extract of circuit diagram)
• Critical adjustment with user controls. Sometimes it works properly when tapping on cabinet.
• Black screen. Audio OK . (picture attached)
• No picture. (with circuit diagram extract)
• No picture. Audio OK . (with circuit diagram extract)
• No function, the 141V power supply voltage is only approx 80V. (+ extract of circuit diagram)
• Test picture visible in the background in TXT mode. (part of circuit diagram displayed)
• No picture. intermittently. (extract of circuit diagram attached)
• The appliance often becomes intermittent when switched on. (+ extract of circuit diagram)
• Faint white streaks above the picture. (extract of circuit diagram attached)
• Line oscillator chip failure after an EHT flashover. (+ extract of circuit diagram)
• Horizontal power stage squeaks.
• Problems with the vertical deflection, picture folds at the top edge. (extract of circuit diagram attached)
• Misty picture. (+ extract of circuit diagram)
• Processor for TRD4 control panel.
• Whines loudly at switch on and will not start up. (picture attached)
• Insufficient horizontal and vertical picture aamplitude. Smoke from R3177. (picture attached)
• Defective after lightning. (picture attached) (688096 tip from SBR)
• Vertical foldover at top. (part of circuit diagram displayed)
• Occasionally poor frame sync (line).
• Rope effect on the right hand side of the picture. (part of circuit diagram displayed)
• Power supply trips at switch on, producing a fading whistle. (part of circuit diagram displayed)
• The line end stage transistor 7162 heats up. The base and collector pulses are ok, the transistor blows. (+ extract of circuit diagram) (688096 SBR repair tip)
• 2R2 resistor always blows. (+ extract of circuit diagram)
• No picture, no sound. Appliance squeaks when switching on then stops. BU508 of the line end stage is ok. Yellow capacitor has also already been changed. (extract of circuit diagram attached)
• Sparks on the yoke plug. High voltage is 1500Vpp instead of 1200Vpp. Working voltage 130V is ok. (+ extract of circuit diagram)
• Distorted picture. (extract of circuit diagram attached)
• Power supply in safety mode, 140V=80V. Power supply fails. No result when unsoldering line transformer and loading power supply with a 75W lamp. (+ extract of circuit diagram)
• Only half of picture visible. (picture attached)
• Tuning drifts. Snowy raster. (extract of circuit diagram attached)
• Set intermittent dead, when faulty E1 displayed. (extract of circuit diagram attached)
• Squealing from PSU. (+ extract of circuit diagram)
• Poor picture. (part of circuit diagram displayed)
• Vertical fault. Picture is approx 20cm high. Bright background with flyback lines.
• TV starts up but EHT is missing. Programme number disappears, then "E1" appears.
• "88" on the display. No picture. No sound. (picture attached)
• Volume too high. Excessive colour and incorrect brightness at switch on.
• Picture is off tune in PB.
• E/W adjustment.
• Intermittent or no vertical linearity. (+ extract of circuit diagram)
• Channel indicators permanently display 88. Hissing from EHT capacitor. (part of circuit diagram displayed)
• Poor vertical synchronisation. (part of circuit diagram displayed)
• No brightness. No colour. intermittently.
• No tuning, channel no etc. with the standby LED permanently on (sets with 1021 VST module).
• Squealing noise. (+ extract of circuit diagram)
• The appliance cuts out and E3 in the display then everything becomes normal again and after 30 secs the appliance cuts out again. (part of circuit diagram displayed)
• No sound if transmission is "mono". There is also no sound during stereo-transmission if the mono button is pressed. Otherwise stereo transmission is fine. (extract of circuit diagram attached)
• Lines in picture. on the left. (extract of circuit diagram attached)
• Voltages measured on pins IC TDA3650.
• Vertical blanking interval still visible in picture after program switch over. (part of circuit diagram displayed)
• Poor VCR line synchronisation . (part of circuit diagram displayed) (688096 SBR repair tip)
• Horizontal jitter. (+ extract of circuit diagram)
• Predominance of blue, faint blue flyback lines visible. (part of circuit diagram displayed)
• Screen compressed at the bottom and very quick vertical drift of picture. (part of circuit diagram displayed)
• Picture shakes. at top (intermittently). (with circuit diagram extract)
• The line oscillator is unstable, the picture shakes. (+ extract of circuit diagram)
• No STEREO.
• Pincushion effect on vertical straight lines. (+ extract of circuit diagram)
• Switches to standby (intermittently). (+ extract of circuit diagram)
• The power supply goes to protection circuit. (extract of circuit diagram attached)
• Predominance of one of the three colours (red, green or blue).
• Tripping. (with circuit diagram extract)
• Line output stage transistor BU508 fails approx every 6 days. (picture attached)
• Red picture. (picture attached)
• Every 2-3 days TR7162 (BU508V) is destroyed.
• On cable reception, stations cannot be tuned or the stations wander off.
• After switch-on no picture and sound, 88 in display. When mains switch pressed, snow. TXT and stereo LED lights.
• No sound or picture. Screen in the black level.
• Fine horizontal lines on picture, particularly during channel switch-over. Occasionally vertical sync. does not fit in with screen.
• After installing the vertical ICs there are stripes in the top part of the picture. Electrolytic 3300uF is ok. (+ extract of circuit diagram)
• No remote control operation on teletext version. (part of circuit diagram displayed)
• No colour when the appliance is switched on (cannot be programmed through memory), picture is dark.
• Occasionally picture runs through (line).
• E/W failure,temperature sensitive. (part of circuit diagram displayed) (service info for SBR -688096)
• No TXT. (picture attached)
• When switching on, main supply reduces to about 24V and then no function. (SBR - 688096 information)
• Display shows functions which were not chosen. (extract of circuit diagram attached)
• Very faint raster. (part of circuit diagram displayed)
• No start up. PSU goes to protection circuit. (picture attached)
• No RC functions. (picture attached)
• Occasionally picture darkens and at the same time raster disappears. (extract of circuit diagram attached)
• Type of line transistor 7162. (with circuit diagram extract)
• No synchronisation. intermittently. Picture shakes. (with circuit diagram extract)
• No picture or sound after spark flashover in the HS cable. (+ extract of circuit diagram) (688096 tips)
• Very loud sound, cannot be adjusted. No display. (part of circuit diagram displayed)
• Only noise the display does not light up.
• No tuning. only on certain channels.
• Frequency divider 4822 212 21226.
• Wide white bar in the picture, no reception. (part of circuit diagram displayed)
• Muted audio. Picture OK .
• Vertical problems. (picture attached)
• TXT lines at top of picture. (+ extract of circuit diagram)
• Too little brightness after DIM command (CDI use). (with circuit diagram extract) (688096 SBR repair tip)
• Appliance fails. BU508A will become defective and displays E-3. Power supply squeaks. (extract of circuit diagram attached)
• Intermittent no signals, then will rest to CH1 with volume high. (688096 tips)
• E/W fault. Trips. (part of circuit diagram displayed) (688096 tip from SBR)
• Memory values for picture, sound and channels are lost. (part of circuit diagram displayed)
• Picture bends at top and vibrates. (with circuit diagram extract)
• The sound goes erratically to max. volume. (part of circuit diagram displayed)
• No TXT with the CCT decoder system. (with circuit diagram extract)
• No picture, only sound present. When appliance is switched off a white line appears.
• Appliance functions only when warm. It fails intermittently when cold.
• Vertical linearity defective. (extract of circuit diagram attached) (SBR - 688096 information)
• No picture on teletext. (extract of circuit diagram attached)
• All memory-cells on 56. (SBR - 688096 information)
• Line pulling/frame jitter. (extract of circuit diagram attached)
• Only starts up after pressing ON/OFF switch a few times. (part of circuit diagram displayed)
• No adjustment of sound. (picture attached) (688096 tip from SBR)
• No colour. (+ extract of circuit diagram)
• The picture is too small. The power supply is too weak. (part of circuit diagram displayed) (688096 tip from SBR)
• Bottom linearity faulty. (with circuit diagram extract)
• Top of picture has non linear scan, ok when appliance has warmed up. (with circuit diagram extract)
• Black streaky lines after a few mins. Completely dark picture after approx 5 mins. (picture attached)
• Approx 5cm distortion on top of picture with any station, in cold conditions. (extract of circuit diagram attached)
• Distorted picture at high white proportion. (picture attached)
• Visible black, unsynchronised TXT klok.
• No LCD on front panel. (extract of circuit diagram attached) (688096 tips)
• Poor closure of function door.
• Brightness and or contrast don't work or don't work properly.
• Doesn't lock in on channels or stops but tuned off. (+ extract of circuit diagram) (688096 tip from SBR)
• Vertical line. (picture attached)
• LED display goes off after a few minutes. If the channel is changed however, either using the remote control or the buttons on the set, display return for a few minutes.
• Picture vibrates horizontally. Broken or intermittently double bar. (with circuit diagram extract)
• No tuning. (+ extract of circuit diagram)
• Picture shifts downwards and then comes up again after a few minutes, picture is then o.k., but is round. (picture attached) (688096 SBR repair tip)
• No display. No channel search. Picture OK . (picture attached) (service info for SBR -688096)
• PSU and HV unit switch on, but no display and standby LED lights. No linearity.
• Channels "up and down" only work on the RC.
• Cycles on/off. after a few minutes.
• Hum in picture. Contrast dependent effect. (+ extract of circuit diagram)
• Herringbone pattern on raster. High channels are not accepted when tuned.
• Frame foldover & text interference at top of screen. (+ extract of circuit diagram)
• No horizontal synchronisation. (+ extract of circuit diagram)
• Picture overbright on left hand side with vertical lines.
• Line tearing. at top. (part of circuit diagram displayed)
• East-west raster correction fault. (picture attached)
• The picture is much too wide, east/west does not control. (+ extract of circuit diagram)
• Blank raster. Audio OK . (+ extract of circuit diagram)
• Shakey picture. No sound on some channels. Appliance starts. (with circuit diagram extract)
• Bright white line in picture, no sound. (extract of circuit diagram attached)
• Switches to standby. Motorboating. Switches on and off. (Non-SOPS, IV-B-3) (part of circuit diagram displayed)
• Vertical sync remains occasionally halfway down the frame although it locks correctly. (with circuit diagram extract)
• Burn up in E/W correction circuit (R3170, R3175). (with circuit diagram extract)
• Transistors TR7131, TR7122 and TR7123 blown. (picture attached)
• All LCD segments are lit. LED flashes abnormally. (+ extract of circuit diagram)
• Poor horizontal fringy picture. (picture attached)
• Blanking fails, lines run through and sound is . (with circuit diagram extract)
• Distorted picture. Snow in picture. (part of circuit diagram displayed)
• Flyback lines. in PB. (extract of circuit diagram attached)
• PSU whistles. Line output transistor BU508 fails (S/C).
• Poor colour (when cold). (+ extract of circuit diagram)
• The sound contains noise, no low pitched sound. (part of circuit diagram displayed)
• Line transformer installation.
• Blank raster. (with circuit diagram extract)
• Changing channel. (picture attached)
• Hums and crackles. Sound comes from loudspeaker and chassis. Flashing LED.
• Start up from standby after 2 secs. (with circuit diagram extract)
• No start up and humming.
• The TXT info appears at top of picture when cold. OK after 5 mins. (with circuit diagram extract)
• No function, no sound, no display and no HT. Only a faint switch-on thud in speakers.
• Low audio. Distorted audio. (with circuit diagram extract)
• Sometimes when switched on set gives a squealing noise and no sound or vision. (extract of circuit diagram attached)
• TDA3650 fails after one week. (part of circuit diagram displayed)
• Excessive brightness. (picture attached)
• Picture collapses in RF every 2 seconds. Picture OK via scart.
• Line BU goes S/C every fortnight. (picture attached)
• Inverted E-E display, no picture, no sound. (+ extract of circuit diagram) (688096 tips)
• Reduced vertical size. (with circuit diagram extract)
• No audio. OK via SCART . (with circuit diagram extract)
• Conversion from TRD to TRD-ECO.
• Poor E/W adjustment with changes in contrast.
• Switches to standby (after a few minutes). (extract of circuit diagram attached)
• Power supply BU blows. (part of circuit diagram displayed)
• Poor vertical synchronisation. Intermittently flyback lines in lower quarter. (picture attached)
• When calling up TXT page, 2nd digit is incorrectly reproduced, yet correct page appears.
• Mains switch and speech-music switch.
• No E/W correction. (with circuit diagram extract)
• Vertical foldover at bottom. (picture attached)
• No TXT (intermittently). (+ extract of circuit diagram)
• Raster IC defective after some time. (with circuit diagram extract) (SBR - 688096 information)
• Starts up gradually. (picture attached)
• TXT-lines in picture for three seconds at switch over. Then perfect picture. (with circuit diagram extract)
• Switches to standby. (picture attached)
• Difficulties in tuning on channel. (+ extract of circuit diagram)
• E/W-error, trapezium distortion. (with circuit diagram extract) (688096 tip from SBR)
• Unknown indication in the display, no function.
• Unstable picture. (with circuit diagram extract)
• Picture is erased at 8-10 sec intervals. (part of circuit diagram displayed) (688096 tip from SBR)
• Pincushion distortion. (with circuit diagram extract)
• Channel loss at switch on after memorising channels. (part of circuit diagram displayed)
• Horizontal lines across the picture, sometimes picture content in the middle of the screen disappears (then black bars across the picture). (with circuit diagram extract) (SBR - 688096 information)
• Voltage slightly high. (extract of circuit diagram attached)
• E/W convex.
• No power supply regulation. (part of circuit diagram displayed)
• Excessive horizontal size. at top. (+ extract of circuit diagram)
• Vertical collapse. (picture attached)
• No picture. Display OK .