703767 / OTTOVERSAND [TV]

• No luminance. (picture attached)
• Single dark lines in picture centre. (703767 OTTOVERSAND repair tip)
• With Blackline picture tubes in the EXT1-Mode a white field is visible on the right side.
• Line output transistor fails repeatedly. after a while. (picture attached)
• Grey screen. (part of circuit diagram displayed)
• Power supply breaks down. (picture attached)
• Power supply is often destroyed when left in standby. (with circuit diagram extract)
• BUT18AF is defective and is destroyed when appliance is switched on. (extract of circuit diagram attached)
• Undefined Stereo-Mono switch over.
• Vertical foldover at top and bottom. (with circuit diagram extract)
• Blurry picture.
• Picture is stretched - begins 5cms from bottom of the screen and is missing approx 1cm East/West. Appliance functions. (extract of circuit diagram attached) (703767 tips)
• The front control panel changes channels upwards but not downwards. All other functions OK.
• No sound in scart. Sound and picture via the tuner. The appliance does not pick up anything. (extract of circuit diagram attached)
• TV blocked in F3. (OTTOVERSAND - 703767 information)
• No colour. Coloured bars in picture. OK after a few minutes. (part of circuit diagram displayed)
• No TXT. (with circuit diagram extract)
• With high volume the appliance switches spontaneously to standby. (picture attached)
• Starts up again then clicks after a few mins. PSU faled again. (extract of circuit diagram attached)
• Switches to safety mode at approx. 110 V mains voltage. (+ extract of circuit diagram)
• Set does not start-up after implementing SOPS kit. (+ extract of circuit diagram) (703767 tip from OTTOVERSAND)
• Line tearing and picture twitching at the sides of the picture.
• No synchronisation. when cold. (with circuit diagram extract)
• BUT18 and rectifier bridge blow every two days even after modifications.
• S/C in 148V line. (picture attached)
• Undefined STEREO mono switch over. OSD mono STEREO display present. (picture attached)
• Over-voltage circuit active. (part of circuit diagram displayed)
• Horizontal end stage BU508AF short circuits after different playing times. (with circuit diagram extract)
• Protective circuit starts up. (extract of circuit diagram attached)
• Stop via RC, no red dot. No start up by pressing simultaneously on the switch and programme of the RC. On the contrary, stop and switch on via the switch functions. (picture attached)
• Fails in standby. (+ extract of circuit diagram) (OTTOVERSAND - 703767 information)
• No horizontal deflection. (with circuit diagram extract)
• Stuck on channel 1.
• BU508AF fails repeatedly. (+ extract of circuit diagram)
• Picture looks as if it were encoded (like on C+ channel). Sound is OK.
• 148V at approx 30V. (with circuit diagram extract)
• Horizontal, bright line.
• Blue picture. after a while. (picture attached)
• Strange noise in loudspeakers. (part of circuit diagram displayed)
• Intermittent memory problem.
• When switched off with RC, does not switch on again and LED remains off. (part of circuit diagram displayed)
• White picture and no amplitude when cold. Picture pumping. (picture attached)
• Appliance hums in Standby.
• TV blocks on 600MHZ. If you do a frequency search, it goes through all frequencies but does not find any channels. (extract of circuit diagram attached)
• Red LED blinking for 3 secs.
• No audio. (extract of circuit diagram attached)
• Dark picture. intermittently. (+ extract of circuit diagram)
• Mono/stereo display error. (picture attached)
• Service mode
• No start-up. intermittently. (picture attached)
• Impossible to adjust horizontal shift of picture using R3595. (+ extract of circuit diagram)
• Control micro processors.
• Low contrast. in TXT. (extract of circuit diagram attached)
• Line output transistor defective. (picture attached)
• No 9V. (picture attached)
• No picture, no sound. TV starts up and tube lights up. (+ extract of circuit diagram)
• Vertical deflection is defective. A piece is missing at the bottom and at the top the lines are pulled apart. (with circuit diagram extract)
• Contrast variations with subtitling in sets with BL-CRT. (part of circuit diagram displayed)
• Spare part info: values of C2546, C2547 and C2545, located on collector of T7545. (picture attached)
• No HV. (+ extract of circuit diagram)
• Takes approx 1 minute to come on, will not switch to standby, sound mutes but pulsating picture remains. (part of circuit diagram displayed)
• TV locked by and keys.
• When switched to standby U1 becomes 60V. PSU goes to limiting. (+ extract of circuit diagram)
• Picture stretched at top, compressed at bottom with black bar. Picture improves when warm. (+ extract of circuit diagram) (OTTOVERSAND - 703767 information)
• No picture. No display. Erratic functions. (extract of circuit diagram attached)
• Beam current dependent picture width fault. (part of circuit diagram displayed)
• PSU blown.
• Set functions with the variac but BUT11AF blows when appliance is plugged in. (picture attached)
• Vertical stripes at left picture edge via channel 2 and 4. (with circuit diagram extract)
• Character error.
• Line transistor 7545 fails after approx. 3 secs. (with circuit diagram extract)
• Regulation does not function without a load. (part of circuit diagram displayed)
• Darker bar on left of screen. (+ extract of circuit diagram)
• One single line in the middle of the screen. (extract of circuit diagram attached)
• One colour missing.
• Stretched picture. at top. Reduced raster size. at bottom. (+ extract of circuit diagram)
• Replacement of TDA8451 (IC7305). (extract of circuit diagram attached)
• No picture. intermittently. (with circuit diagram extract) (service info for OTTOVERSAND -703767)
• No picture at switch on but after a few minutes picture appears with weak contrast. Picture improves gradually and after approx 30 mins is normal. (with circuit diagram extract)
• Picture and sound drop out. Appliance jumps to channel 1.
• Top of TXT waves from side to side. (+ extract of circuit diagram) (service info for OTTOVERSAND -703767)
• Dead. Red LED blinks. (extract of circuit diagram attached)
• Intermittent black picture with TXT. Intermittent TXT in picture.
• Noise in audio.
• Defective BUT.
• Intermittent colour. (OTTOVERSAND - 703767 information)
• Blows fuse. after a few hours. (+ extract of circuit diagram)
• Dark picture. Audio OK . (part of circuit diagram displayed)
• Faulty TXT. No TXT. intermittently. (OTTOVERSAND - 703767 information)
• Poor NICAM sound from left hand speaker.
• How to check the power supply without blowing BUT18AF.
• Appliance starts intermittently with no standby. (extract of circuit diagram attached)
• Local dooming, especially with high contrast. (extract of circuit diagram attached)
• Vertical bars on channels 2 and 4 (extract of circuit diagram attached)
• Defective line transistor. (part of circuit diagram displayed)
• Appliance works for 4 hours and then cuts out completely.
• PSU voltage low at 20V. (+ extract of circuit diagram)
• Black horizontal lines. (part of circuit diagram displayed)
• When warm, there is a raster fault on the left. (picture attached) (703767 tip from OTTOVERSAND)
• Does not switch on from standby. LED blinks and goes off or changes to red and then no more functions.
• Chopper transistor failure. (+ extract of circuit diagram)
• Blocked. (picture attached)
• Humming noise from transformer. Line output transistor fails repeatedly. (picture attached)
• No functions. Red LED blinks. (part of circuit diagram displayed)
• Appliance fails and later comes back unprompted. (picture attached)
• Connection of the loop system to the TV.
• PSU fuse blown. (+ extract of circuit diagram) (703767 tip from OTTOVERSAND)
• No colour in French standard. (with circuit diagram extract)
• Intermittently green "F5" on screen, thereby very dark picture or TXT appears. (extract of circuit diagram attached)
• Does not switch to standby. No functions. at switch-off. (with circuit diagram extract)
• Picture linearity error. Picture has shifted towards top. Picture folds over at the bottom.
• Slow start-up. Switches to standby. (part of circuit diagram displayed)
• Dark screen. LED is green. (picture attached)
• Poor OSD. Unusual colour of some characters. (part of circuit diagram displayed)
• Shuts down. after a few minutes. (+ extract of circuit diagram)
• White screen.
• Severe crossover distortion in left channel.
• Line end-stage has no function.
• Fuse, bridge rectifier and BUT11 in PSU blow when in standby for 10 mins. (extract of circuit diagram attached)
• Buzzing from PSU. in standby. (with circuit diagram extract)
• The screen is white and there is no sound. The line transistor blows after 5 minutes. (extract of circuit diagram attached)
• Spare part info: Value of C2546 and C2545 near line output transformer.
• 5.1V incorrect. (part of circuit diagram displayed)
• No functions. LED lit. . (part of circuit diagram displayed)
• Switch on during standby only functions when RC is very close to the appliance.
• Incorrect reception. 33V ok. Picture ok in scart.
• PSU fails after a short time (S/C of BUT18AF). (part of circuit diagram displayed)
• Power supply blows when put into standby. (picture attached)
• Reduced horizontal size. Vertical foldover. in the centre. (with circuit diagram extract)
• No sound or vision, display going to F1.
• Error message F7 appears in the first 2 mins. No operation possible. (with circuit diagram extract)
• Goes into safety mode if it is left in standby then switched on via the switch. Starts normally if speaker or HT O/C. (part of circuit diagram displayed)
• Line BU blows after operating for 3-5 mins. (+ extract of circuit diagram)
• No or poor synchronisation.
• Doesn't function with dummy load. (+ extract of circuit diagram)
• Poor picture. via tuner. (part of circuit diagram displayed)
• Functions with an automatic transformer up to 110, 120V. (with circuit diagram extract)
• Set dead, power supply refuses to start. Also intermittent start and no standby (picture attached)
• After a few secs in standby, 7625 and fuse destroyed. (extract of circuit diagram attached)
• Destruction of the power supply BU. (part of circuit diagram displayed)
• Black screen. Audio OK . (+ extract of circuit diagram)
• No E/W correction. (+ extract of circuit diagram)
• Transistor 7545 (BU508AF) is blown. (extract of circuit diagram attached)
• S/C on deflection circuit. (with circuit diagram extract)
• Page 811 appears spontaneously. (extract of circuit diagram attached)
• Searches for channels continuously. (part of circuit diagram displayed)
• Vertical shift incorrect, after replacing a 28" BL-CRT. (with circuit diagram extract)
• BUT18AF blows in standby on the collector. (picture attached) (service info for OTTOVERSAND -703767)
• Slight E/W distortion. (extract of circuit diagram attached)
• BUT11 in power supply defective after few days, or when in standby. (picture attached)
• 17V instead of 140V. (+ extract of circuit diagram)
• Excessive red.
• No picture or narrow streak after warm-up. (+ extract of circuit diagram)
• Doesn't switch into standby. Green LED goes orange and flashes after pressing standby key . (703767 tips)
• No control signal to IC7470 (TDA) and no line scanning. (with circuit diagram extract) (service info for OTTOVERSAND -703767)
• The horizontal centering cannot be adjusted correctly. It may have shifted after the appliance has warmed up.
• When warm, picture foldover and the line BU blows. (part of circuit diagram displayed)
• E/W fault. No E/W correction. (extract of circuit diagram attached)
• Light green picture despite adjusting. Impossible to get red. (+ extract of circuit diagram)
• Picture takes a long time to appear (several mins). (picture attached)
• Hum bar.
• Line pairing at top half of the picture (+ extract of circuit diagram)
• No picture. Audio OK . (with circuit diagram extract)
• Displays error code F4. When you switch to standby again, F4 appears again. LED flashes. Only noise. (with circuit diagram extract)
• Ticking sound. (+ extract of circuit diagram)
• Switches to protection mode. (extract of circuit diagram attached)
• No switch on. Noise from loud-speakers and smell of burning. (+ extract of circuit diagram)
• No signal on the BUT11AF collector. (picture attached)
• No picture. Bright raster. Flyback lines. Audio OK . (with circuit diagram extract)
• At start up picture appears normally then darkens gradually in PAL. Normal in SECAM. Sound ok. Picture reappears by reducing the contrast, OSD normal. All other functions normal. (part of circuit diagram displayed) (service info for OTTOVERSAND -703767)
• Sound only at program switch-over. (part of circuit diagram displayed)
• Switches to protection mode. intermittently. (extract of circuit diagram attached)
• Standby LED flashes at switch on, then switches off after a few secs, if no action is taken. If RC is pressed LED remains on, but no picture and audio. (+ extract of circuit diagram)
• Works correctly but power supply BUT11 blows after 3 weeks. (part of circuit diagram displayed)
• Horizontal white line. (with circuit diagram extract)
• Does not store settings. (part of circuit diagram displayed)
• Intermittently line tearing in picture at the edges. (703767 OTTOVERSAND repair tip)
• Width of picture pumps according to picture content and narrows with a strong white. (part of circuit diagram displayed) (703767 tip from OTTOVERSAND)
• No audio. after a while. (part of circuit diagram displayed)
• No picture, only audio via SCART. "Off air" picture displayed.. (picture attached)
• Jagged picture. (extract of circuit diagram attached)
• 148V measures 60V. (picture attached)
• BUT11A fails after operating for long time. (extract of circuit diagram attached)
• Poor regulation. (+ extract of circuit diagram) (service info for OTTOVERSAND -703767)
• Capacitor 2545 in PSU burns. (picture attached)
• Quick diagnosis (with circuit diagram extract)
• Lacks contrast. No reaction on the plus or minus key of the contrast button. Other commands are ok.
• No colour. (+ extract of circuit diagram)
• Thyristor TR7670 breaks down after two days (loose contacts). (extract of circuit diagram attached)
• Fuse 2A and BUT18 immediately defective at switch on with RC. Fault does not occur when switching on with on/off switch or by connecting mains plug. (+ extract of circuit diagram)
• Excessive vertical size. (with circuit diagram extract)
• Orange spots on the right of the screen.
• Appliance does not start up. Crackling. (picture attached)
• Buzzing from PSU. Motorboating noise from speakers. in standby. (picture attached)
• No function. Buzzing noise. (with circuit diagram extract)
• Power supply falls to approx 40V AC on the variac. (picture attached)
• Modification: Colour decoder chip IC7260.
• Dark picture. at bottom. Stretched picture. at top. (picture attached)
• Power supply BU and fuse are defective when TV started up from standby. Occurs every week or fortnight and is very variable. (with circuit diagram extract) (703767 tip from OTTOVERSAND)
• Intermittently dead. (with circuit diagram extract)
• Oval picture.
• Coloured flash on channel change and VCR features. (extract of circuit diagram attached)
• Reduced vertical size at bottom.
• Picture shakes. (703767 OTTOVERSAND repair tip)
• Vertical sync does not stop. (with circuit diagram extract)
• Snow on screen and no tuner reception. F3 displayed on screen. Green LED on.
• U148V measures 20V.
• No output voltage.
• No brightness. No audio. Raster OK . (with circuit diagram extract)
• Sound drops out. (703767 OTTOVERSAND repair tip)
• Smoke from +12V resistor. (with circuit diagram extract)
• Does not decode Canal Plus no the sound. Green LED flashes. (extract of circuit diagram attached) (703767 tips)
• The appliance functions correctly in standard B,G but the sound hums in F standard. (picture attached)
• Chopper and line output transistors S/C. (extract of circuit diagram attached) (703767 tip from OTTOVERSAND)
• No picture. in E-E. Audio OK .
• S/C from point 18 at line transformer to the ground. (+ extract of circuit diagram)
• Picture collapses. Pincushion distortion. (picture attached)
• Poor E/W adjustment. Picture is narrow in the middle. (with circuit diagram extract)
• No colours at start up 50% of the time on satellite channels. OK in HF and VCR. (with circuit diagram extract)
• No sound, even with in or out scart. (service info for OTTOVERSAND -703767)
• When switching on, HV part hums. No control function is possible. (extract of circuit diagram attached)
• No start-up. (+ extract of circuit diagram) (OTTOVERSAND - 703767 information)
• No PAL chroma. (OTTOVERSAND - 703767 information)
• Replacing the EEPROM. (with circuit diagram extract) (703767 tips)
• Green picture. after a while. (with circuit diagram extract)
• EXT1 switchover is defective, terrestrial program remains.
• Poor RC sensitivity. (703767 tips)
• Vertical collapse. after a few minutes. Audio OK . (703767 tip from OTTOVERSAND)
• Vertical linearity is upwards a little sharp. Picture has shifted upwards. (picture attached)
• Power supply too low (70V). (picture attached)
• Line output transformer failure. (703767 tip from OTTOVERSAND)
• Audio drop out or mute.
• Only grey picture after being struck by lightning. TXT also runs. (picture attached)
• Error codes. (part of circuit diagram displayed)
• Intermittently screen blanks out. Random characters on screen.
• Vertical deflection is defective. Picture present, after a short time a line appears then picture disappears. (picture attached)
• Intermittent line and raster synchro. (with circuit diagram extract) (703767 OTTOVERSAND repair tip)
• Flashing picture. (part of circuit diagram displayed)
• Does not switch to standby. LED turns pink. Picture remains. Sound mutes. (picture attached) (service info for OTTOVERSAND -703767)
• Line BU keeps failing. (+ extract of circuit diagram)
• Poor chroma identification in Pal/Secam. On channels 5, 6 or with VCR, blue or red bands. (with circuit diagram extract)
• Crackling from FBT and black vertical bars on screen for a few secs after start up. (+ extract of circuit diagram)
• Switches off during operation. When it is switched on again crackling is heard from HT. (part of circuit diagram displayed)
• No picture. when cold. Audio OK . (picture attached)
• BUT transistor becomes S/C either at switch on or after a certain period of time. (picture attached)
• Blank raster. No tuning.
• Intermittent power supply shut down, the picture goes off for a split second, the display flickering in sympathy. (service info for OTTOVERSAND -703767)
• Switches immediately to protection mode. Functions OK when protection mode is switched off. (picture attached)
• No vertical deflection. intermittently. (picture attached)
• Line output transformer does not start up. (part of circuit diagram displayed)
• Difficult to set up east/west and width controls. (+ extract of circuit diagram)
• PSU chirps. (picture attached) (service info for OTTOVERSAND -703767)
• Transistor T7545 (BU508AF) becomes intermittently defective at program switch-over via "+" and "-" on user control.
• Does not stop at stations. Station search OK. (part of circuit diagram displayed)
• Connection of a loop system to the TV. (703767 tips)
• Tuning search does not stop when appliance has found a station. (+ extract of circuit diagram) (OTTOVERSAND - 703767 information)
• No function, only hums. (+ extract of circuit diagram)
• Switches off after operation time. LED goes off. Dead. Can be turned on via mains switch, then switches off again after operation time.
• No start-up with mains switch after switched off from standby.
• Picture flickers the first 5 minutes. Gradually becomes less but very visible in the dark portions of the screen.
• Shuts down. LED is green. (+ extract of circuit diagram)
• Does not go into standby. LED becomes orange but picture remains. (part of circuit diagram displayed)
• CTV functions one day. (+ extract of circuit diagram)
• Poor width regulation with brightness. (picture attached) (OTTOVERSAND - 703767 information)
• Sound and picture pulsating (2 times a sec) only via tuner. (service info for OTTOVERSAND -703767)
• Loss of red, green or blue or excessive red, green or blue pictures. (703767 tips)
• Starts, but only raster. Display shows "F3". (extract of circuit diagram attached)
• Occasionally BUT18 blows in standby. (+ extract of circuit diagram)
• 185V instead of 148V. When taking a measurement on collector of TZ 7652, bulb goes off. (extract of circuit diagram attached)
• Pulsating, no start up. (part of circuit diagram displayed)
• BUT18AF fails repeatedly. (part of circuit diagram displayed)
• Poor vertical linearity. Reduced vertical deflection. (+ extract of circuit diagram)
• No functions. intermittently.
• Trips. (picture attached)
• To give improved protection to the BUT11AF chopper transistor TR7665.
• Can not be switched off in Standby position. When starting, LED becomes orange and blows. (picture attached)
• Picture leans too much to one side, Black line visible in the picture. (picture attached)
• Vertical size varies. Vertical jitter.
• After approx 20 mins operating time appliance switches off. Then no Led. When you switch off completely with the mains switch and wait a time appliance starts again when you switch on.
• Set will go off after a period that varied from ten minutes to five hours. It will then stay off,coming back on again after a similarly indeterminate period. (OTTOVERSAND - 703767 information)
• Red standby light then dead at switch on. TV starts up on the variac. (picture attached)
• TXT has no function. TXT is activated but only dark screen.
• BUT11 becomes defective after 3 days of use. (extract of circuit diagram attached)
• PSU has no function.
• Repeated failure of CRT.
• White area visible on right side of screen in EXT1 mode of BL sets. (+ extract of circuit diagram)
• Horizontal shift no function.
• Loss of colour or no colour.
• No functions. No button operation. (picture attached) (OTTOVERSAND - 703767 information)
• Line output stage periodically fails. (extract of circuit diagram attached)
• Thyristor pos. 6670 fails. (part of circuit diagram displayed)
• With Blackline picture tubes occasional or random OSD insertion.
• PCD8582 and X2402 memory. (part of circuit diagram displayed)
• Defective BUT and fuse in the PSU. After replacing the appliance runs for several days until the fault occurs again. (picture attached)
• No picture and sound. Buzz from power supply transformer.
• No quick start pulse. (+ extract of circuit diagram)
• Set not regulating after SOPS re-build of secondary side of PSU. (extract of circuit diagram attached)
• Frame shrinks horizontally when changing brightness. (extract of circuit diagram attached)
• S/C in line output stage (7645). (picture attached)
• Low contrast. (+ extract of circuit diagram)
• Operating voltage stabilises at 50V. (part of circuit diagram displayed)
• Power supply goes into safety mode and crackles. (extract of circuit diagram attached)
• Power supply fuse (18A) defective after 1 hr or less. (with circuit diagram extract)
• Starts without picture and audio then switches off after a few seconds.
• No vertical deflection. Horizontal line. (+ extract of circuit diagram)
• Horizontal line. Audio OK . (+ extract of circuit diagram)
• Raster signal problem.
• Line output transformer overheats. (part of circuit diagram displayed)
• TXT problem. Some characters do not display.
• No functions. intermittently. LED blinks . Shuts down. (with circuit diagram extract) (OTTOVERSAND - 703767 information)
• Lines in picture. on the left.
• Hum in audio. in standby. (picture attached)
• Blows chopper transistor when switching on with remote. (+ extract of circuit diagram) (703767 tips)
• Functions but heat sink gets very hot after 10 mins. When put into standby, noise in the PSU. (with circuit diagram extract)
• No picture. No audio. OK via SCART . (with circuit diagram extract)
• Coloured spots in picture (local dooming). (part of circuit diagram displayed)
• Crackle a few seconds after Power On. (extract of circuit diagram attached)
• Usys voltage of line output stage collapses to approx 48V. (+ extract of circuit diagram)
• Reduced vertical size. (picture attached)
• No tuning.
• Tuning drifts. after a while.
• Local dooming / PP-settings. (+ extract of circuit diagram)
• No LED lit. (extract of circuit diagram attached)
• Retrace lines. intermittently.
• Vertical roll. when cold. (extract of circuit diagram attached)
• Set can be turned off with RC, but not turned on. S.B. LED blinks. (with circuit diagram extract)
• Blank screen. Audio OK .
• Picture jitters and vertical bars distorted on cross-hatched pattern. Blue horizontal bars. (+ extract of circuit diagram)
• Very low secondary voltages. (part of circuit diagram displayed)
• U system only 5V instead 148V. (with circuit diagram extract)
• No OSD. intermittently. (extract of circuit diagram attached)
• Chopper transistor (BUT18AF), rectifier diodes and mains fuse become defective instantly. (extract of circuit diagram attached)
• Frizzy lines on the picture.
• No sound. No response to commands from both RC and front panel. Error message F2 on screen. Picture ok. (extract of circuit diagram attached)
• As the set warms up the picture flashes cyan every few seconds. (with circuit diagram extract)
• Colour flickering during video editing.
• BUT18AF (T7625) becomes defective in standby. (extract of circuit diagram attached) (service info for OTTOVERSAND -703767)
• Insufficient picture height which can be adjusted. Poor E/W.
• Blows components. after a few minutes. (extract of circuit diagram attached)
• No deflection. Horizontal line.
• Chopper transistor (BUT18AF) fails if appliance is switched on from standby. (+ extract of circuit diagram) (703767 tip from OTTOVERSAND)
• No picture. on lower half screen. (with circuit diagram extract)
• BU508 blows after 1 or 2 days. (picture attached)
• Vertical lines. on the left. Excessive brightness. (picture attached)
• No colours. After approx an hour colours appear with fluctuations. (+ extract of circuit diagram)
• Squealing from PSU. after start-up. (with circuit diagram extract)
• No channels.
• Vertical foldover. (with circuit diagram extract)
• Thyristor fails in PSU in standby. Otherwise appliance OK. (part of circuit diagram displayed)
• Blows chopper transistor at switch on.
• Switching transistor of the SOPS power supply is defective. (with circuit diagram extract)
• Appliance runs ok, but if remote used to switch to standby, appliance goes dead. (+ extract of circuit diagram)
• Memory loss. (with circuit diagram extract)
• Secondary voltage cannot be adjusted lower than 160V. PSU however can be regulated with this voltage.
• Line output transistor fails repeatedly. (part of circuit diagram displayed)
• Very loud sound at switch but normal at previous switch off. Adjustment OK.
• Picture green and purple in the E/W direction.
• Power supply crackles when power supply is low. (+ extract of circuit diagram)
• White picture on the right side in EXT1 mode.
• No audio. F2 error.
• Slow start-up. Audio OK . (extract of circuit diagram attached)
• The resistors 3661 and 3662 burn in standby, TS7625 is also defective sometimes. (part of circuit diagram displayed)
• Dark picture. No picture. via SCART. No audio. via SCART. No RC functions. (extract of circuit diagram attached)
• Black screen. intermittently. (part of circuit diagram displayed)
• Horizontal output stage fails again after some time. (+ extract of circuit diagram)
• No picture and no sound. (picture attached)
• No sound or picture. Appliance appears to be in AV. (extract of circuit diagram attached)
• Brightness differences in picture. (picture attached)
• Volume uncontrollable. No brightness control.
• No start-up. Standby LED does not light. (part of circuit diagram displayed)
• Picture flickers intermittently, sound disappears. Picture reappears of itself, sound doesn't but can be activated with the RC.
• Line tearing and picture quiver at the edges.
• Only pulsates once. Resistor R3661 in the 5V rail is burnt.
• No colour. intermittently. (with circuit diagram extract) (703767 OTTOVERSAND repair tip)
• Excessive horizontal size. Picture size varies with picture content. (+ extract of circuit diagram)
• Tuning search does not stop.
• Value of 3525 in the vertical amplifier situated in front of the line transformer towards tube 4 beside cushion 3521. (703767 OTTOVERSAND repair tip)
• Dead. intermittently.
• No function. On start-up easy chirp is audible. (+ extract of circuit diagram)
• No red. (extract of circuit diagram attached)
• The picture is indented (horizontally).
• Picture takes some time to appear. Dark screen then TV stops. Round colour spot which slowly disappears. (extract of circuit diagram attached)
• Picture is too wide or too small when adjusting horizontal size.
• Switching transistor in power supply goes short circuit (BUT18).
• Shuts down. after a while. (+ extract of circuit diagram)
• Low brightness (even after turning up the preset in the U200 module).
• No E/W.
• Black screen. No brightness. Audio OK . (with circuit diagram extract)
• Picture shifted to the right. Poor synchronisation. (+ extract of circuit diagram)
• Fuse and PSU BU (BUT18AF) defective.
• No colour in SECAM and PAL. Colour may appear slightly in SECAM when warm. (+ extract of circuit diagram)
• When cold, picture takes approx 2.5 mins to appear instead of 15 secs. When warm it takes 20 secs. (part of circuit diagram displayed)
• No picture. when cold. (with circuit diagram extract)
• Poor horizontal centering. (picture attached) (703767 OTTOVERSAND repair tip)
• Flash over on picture tube print.
• Occasionally standby thyristor 6670 S/C. (+ extract of circuit diagram)
• Diode D6653 installation sops kit. (service info for OTTOVERSAND -703767)
• No red, green and blue go through correctly. TEA5101A and TDA8390 have been changed. (with circuit diagram extract)
• Supply transistor BUT18A becomes defective immediately after switching on the appliance. (+ extract of circuit diagram) (703767 tips)
• No HT output voltage of 148V. Voltage is present (approx. 158V) when disconnecting HT coils connector. (+ extract of circuit diagram) (703767 tip from OTTOVERSAND)
• No power supply, protection circuit triggered. (picture attached)
• No picture. TXT OK . (extract of circuit diagram attached)
• Lower picture third is dark. Upper picture is dispersed. (+ extract of circuit diagram)
• Appliance works fine for hours, but after switching off with the remote control the BUT18 and mains fuse go defective. (with circuit diagram extract)
• Appliance only functions until the 120V is reached with the variac. When the mains voltage is increased the appliance fails. (extract of circuit diagram attached)
• Wavy picture. via AV.
• Red light flashes for approximately 3 seconds then zero. (service info for OTTOVERSAND -703767)
• Defective T7545. (with circuit diagram extract)
• Faulty TXT. (picture attached)
• Connection of a loop system to the TV.
• Switching transistor T7625 has failed. (with circuit diagram extract)
• Channel change impossible after a moment. Channel remains displayed and front LED becomes orange. (extract of circuit diagram attached)
• T7637 blown. (extract of circuit diagram attached)
• Distorted picture. (with circuit diagram extract)
• Distorted TXT. at top. (703767 tips)
• Luminance takes a long time to appear. Distorted picture, focus pot does not react sufficiently. (part of circuit diagram displayed)
• PSU repair. (+ extract of circuit diagram)
• Dead. Soft ticking sound.
• Colour blobs in the picture.
• Dark screen. via tuner. Audio and OSD OK . (picture attached)
• Vertical collapse. (part of circuit diagram displayed)
• Picture rolls. (with circuit diagram extract)
• Switches off intermittently. Standby LED (red-green) flashes. Picture drops out. (part of circuit diagram displayed)
• Protection for BUT18AF in PSU.
• Microprocessor/eprom screening plate. (part of circuit diagram displayed)
• Ragged verticals. (OTTOVERSAND - 703767 information)
• On the test picture, distorted, vertical lines at top and bottom of the screen. (+ extract of circuit diagram)
• Picture varies with beam current. (+ extract of circuit diagram)
• Replacing TDA2579. (with circuit diagram extract)
• 148V does not go pass 20V. (+ extract of circuit diagram)
• Buzz in audio. (part of circuit diagram displayed)
• Power supply BU blows after a few days.
• After switch on the picture is sometimes shifted and a black horizontal bar appears in the centre of the picture. (with circuit diagram extract)
• HV capacitor burns. (extract of circuit diagram attached)
• Phase fault. (picture attached)
• No synchronisation. intermittently. (+ extract of circuit diagram)
• Channels run through. (extract of circuit diagram attached) (service info for OTTOVERSAND -703767)
• Vertical foldover at bottom. (part of circuit diagram displayed)
• Tuning does not function, drifts, raster doubles up. Vertical sychronisation fault. (picture attached)
• No operation. (with circuit diagram extract)
• PSU no function.
• SOPS power supply repeatedly becomes defective. (part of circuit diagram displayed) (703767 tips)
• Contrast adjustment inoperative, colour streaks. (with circuit diagram extract) (OTTOVERSAND - 703767 information)
• No picture, only horizontal stripe on top. Picture appears only after a long while. Then picture collapses to a horizontal stripe in the centre.
• Horizontal-BU 508AF has a s/c. After replacing this fails again after a few seconds. (with circuit diagram extract)
• Reduced raster size. (with circuit diagram extract)
• Sound is noisy. (service info for OTTOVERSAND -703767)
• Low picture amplitude. Barrell-shaped picture. (+ extract of circuit diagram)
• Intermittent picture size.
• No regulation. (extract of circuit diagram attached)
• Vertical shaking. (picture attached)
• References for transistors 7615 and 7612.
• Picture jitters. when cold. (+ extract of circuit diagram)
• No light lit. (extract of circuit diagram attached)
• PSU varies according to picture content when warm. (extract of circuit diagram attached)
• Unstable AFC. Noisy picture. (+ extract of circuit diagram)
• Line transformer noise. (part of circuit diagram displayed)
• When switching on the appliance when it's cold, it takes about 35 seconds before the picture appears. (picture attached)
• The output transistor of the power supply is defective. BUT11AF or 2SC3973B.
• Dark screen and bright bar at the top. Clock is strange. Sound present. (part of circuit diagram displayed)
• Dark screen. No OSD. (part of circuit diagram displayed)
• No chopper power supply. (extract of circuit diagram attached)
• Reduced format, flyback line slightly visible. (extract of circuit diagram attached)
• Does not switch to standby. Horizontal line. LED blinks . (picture attached)
• PSU becomes defective after switch on via mains switch.
• Noise in picture. (+ extract of circuit diagram) (OTTOVERSAND - 703767 information)
• Red picture. after a while. (with circuit diagram extract)
• Discharging noise. via speakers. (service info for OTTOVERSAND -703767)
• Picture fault in tuner and scart.
• No picture. after a while. White screen. (with circuit diagram extract)
• Line end stage U/syst collapses to approx. 48V. (extract of circuit diagram attached)
• Goes dead when switched to standby by RC. No standby LED. Switching on and off at mains, restores normal functions (+ extract of circuit diagram)
• PSU blocking. (picture attached)
• Erratic functions. (with circuit diagram extract) (703767 tips)
• Sometimes the BUT18AF goes defective. (picture attached)
• Problems with flof TXT. Cannot find p.811 in spite of it being sent out. TXT header remains with subtitling. (extract of circuit diagram attached)
• Dark picture with thin vertical stripe in upper picture. (with circuit diagram extract)
• Power supply is low when warm. (with circuit diagram extract)
• No tuner reception. Search display functions well but appliance does not pick up any channel. (part of circuit diagram displayed) (service info for OTTOVERSAND -703767)
• Dead. Error code F1 displayed.
• BU508 blows one min after HT transistor (BU508AF) has been replaced. Picture OK during this one min.
• S/C in EHT stage. (+ extract of circuit diagram) (703767 OTTOVERSAND repair tip)
• CTV switches on but nothing happens. No sound or picture on the traditional aerial. On the contrary in scart with a dish the CTV has a picture but no sound. No automatic search possible. (+ extract of circuit diagram)
• Change in picture width depending on beam current. (part of circuit diagram displayed)
• 148=68V. (extract of circuit diagram attached)
• Protection of T7625 (BUT18AF). (with circuit diagram extract) (703767 OTTOVERSAND repair tip)
• Arcing. Picture tearing. Does not synchronise. (+ extract of circuit diagram)
• End stage transistor BU508 fails repeatedly at switch on. (part of circuit diagram displayed)
• Dark screen. No picture. No RC functions. (picture attached) (703767 tips)
• Horizontal stripe. (picture attached)
• Start with interfering voltage. (extract of circuit diagram attached)
• Dead set caused by lightning damage. (picture attached)
• Line output transistor fails repeatedly. intermittently. (extract of circuit diagram attached)
• After approx 10 minutes startup picture randomly disappears then reappears. No TEXT, only a mass of lines.
• Secondary voltages fall when loaded. (part of circuit diagram displayed)
• Ballooning and incorrect picture linearity.
• Purity fault. (part of circuit diagram displayed)
• Cramped at bottom with slight foldover.
• +120V instead of +148V. (part of circuit diagram displayed) (service info for OTTOVERSAND -703767)
• Videotext has turbulent text content in upper section.
• Search stops with good tuning.
• Weak contrast. No contrast control.
• No sound when input connection made via 2 S-VHS phono sockets. (703767 tips)
• Excessive brightness. (+ extract of circuit diagram)
• Flyback lines. intermittently.
• No reset.
• Vertical bar. on the left. (picture attached)
• No teletext and OSD is hardly visible. The regular picture vibrates if appliance is switched to teletext. (part of circuit diagram displayed)
• Interference in picture. No picture. No audio. (part of circuit diagram displayed)
• No linearity. (picture attached)
• Vertical collapse. intermittently. (+ extract of circuit diagram)
• F5 displayed on a screen corner. Occasionally channels switch over to channel 1 or TV switches off.
• Green LED does not light up. Power supply oscillates. (+ extract of circuit diagram)
• Intermittently blown Wickman fuse 1534. (703767 tips)
• Horizontal deflection BU fails after a few hours.
• No contrast control. (+ extract of circuit diagram)
• The line transistor blows after 5 minutes. (+ extract of circuit diagram)
• High voltage unit is smouldered. (part of circuit diagram displayed)
• No picture. F4 lights up in the display. (with circuit diagram extract)
• BUT11AF S/C. (picture attached)
• Goes to blank screen with unlocked TXT lines when TXT selected.
• TV starts, has raster but no image and no sound. Display shows "FO". (picture attached)
• Blows chopper transistor. (picture attached)
• Loud noises from speaker. Picture OK .
• Power supply problem. (+ extract of circuit diagram)
• +148V drops to 100V occasionally according to the tube output. (with circuit diagram extract)
• Snow in picture. (with circuit diagram extract)
• No tuning. intermittently. (with circuit diagram extract)
• Loud noise. (extract of circuit diagram attached)
• Does not switch to standby. Picture remains on screen. (+ extract of circuit diagram)
• No start up. No front panel LED. Quiet noise from loud-speakers.
• At switch on with the mains switch, pulsates and after a while begins to function regularly (not always). Does not switch off completely if switched off with RC. (extract of circuit diagram attached)
• Transformation in K' (only for stereo versions). (+ extract of circuit diagram)
• Local dooming - spots in the picture. (OTTOVERSAND - 703767 information)
• R3368 and R3369 burn up at switch on. (part of circuit diagram displayed)
• Flickering text and apparent tuning drift.
• No button operation. intermittently. (part of circuit diagram displayed)
• PSU repeatedly blows up. (picture attached) (service info for OTTOVERSAND -703767)
• Distorted vertical lines at top and bottom of monoscope. E/W correction is faulty. (extract of circuit diagram attached)
• Interference in picture. when cold. (part of circuit diagram displayed)
• Narrowing of line and frame then flashing of the picture. Screen turns dark after 10 mins. Picture ok when cold. (+ extract of circuit diagram)
• Cannot be switched to standby. After the first attempt appliance is blocked. (with circuit diagram extract)
• Intermittently BUT18 defective after switching on. (+ extract of circuit diagram)
• Undefined Stereo Mono switchover.
• Ragged picture.
• Poor linearity. (extract of circuit diagram attached)
• Type of transistor 7594 and value of resistor R3596.
• Tripping. intermittently.
• Appliance starts up with the variac until it reaches 100V and then the appliance fails. (picture attached)
• Poor frame linearity when cold. Picture is distorted vertically. (extract of circuit diagram attached)
• BUT18 fails repeatedly. (extract of circuit diagram attached)
• Picture flickers intermittently, sound disappears. Picture reappears by itself, sound doesn't but can be activated with the RC.
• No functions. Power LED lit . (part of circuit diagram displayed)
• BU508, Q7593 and Q7594 are defective. (extract of circuit diagram attached) (703767 tip from OTTOVERSAND)
• EHT problems. (picture attached)
• No vertical synchronisation. (+ extract of circuit diagram)
• BUT18 blows at 100V on the variac.
• No blue. (picture attached)
• No adjustment from PSU possible. (part of circuit diagram displayed) (703767 OTTOVERSAND repair tip)
• Black stripe on left edge of screen. Horizontal linearity is not correct. (part of circuit diagram displayed)
• After start up, PSU fails. (+ extract of circuit diagram)
• No raster. (picture attached)
• +16V flashover. (picture attached)
• Line transistor S/C.
• Protection mode activated.
• No colour. when cold. Poor colour. after warm-up. (part of circuit diagram displayed)
• No sound or picture. Snowy screen (picture with test signal). Vertical interference bars. (with circuit diagram extract)
• White square in a corner of the screen. (+ extract of circuit diagram)
• Chroma fault in SECAM. (extract of circuit diagram attached)
• Excessive blue.
• Picture pulsates on white background.
• No picture, no sound, no display, 148V is reduced to approx 50V.
• Horizontal line. in the centre. (+ extract of circuit diagram) (service info for OTTOVERSAND -703767)
• Adjustment black line matrix.
• E-W output stage fails as soon as the appliance is switched on. Fuse 1534 (315mA) also fails. (+ extract of circuit diagram)
• Trapezoid picture. No E/W correction.
• Picture flickers for approx 5 mins after switch on when cold, then everything normal as soon as appliance reaches room temperature.
• If mains switched off when in standby, it does not start up again. Light off. (part of circuit diagram displayed)
• Hum in audio. (with circuit diagram extract) (703767 tips)
• No horizontal synchronisation. when cold. (part of circuit diagram displayed)
• Top of text is ringing. Intermittent text.
• No picture. Grey screen. Brightness control works normally. (part of circuit diagram displayed)
• PSU defective. (picture attached) (703767 tips)
• Line BU508blows after 3 days. (+ extract of circuit diagram)
• TS7625 (BUT 18AF) fails again. (part of circuit diagram displayed)
• No picture. Audio and OSD OK . (703767 tip from OTTOVERSAND)
• The bottom half of the raster is missing, with the top cramped. (703767 OTTOVERSAND repair tip)
• Red flashing when changing channels with VCR playback in the still, search modes or edit points in own recordings. (part of circuit diagram displayed)
• HT varies intermittently.
• Vertical roll. (+ extract of circuit diagram)
• The power supply BUT18AF shorts after operating for 5 hours. (extract of circuit diagram attached)
• Sound was OK but there was no vision for the first 10 mins after switch on. (extract of circuit diagram attached)
• In standby tries to operate spontaneously. (+ extract of circuit diagram)
• Line BU blows after a moment. (extract of circuit diagram attached)
• Green spot after viewing a white object on the screen.
• Reduced vertical deflection. intermittently. (with circuit diagram extract)
• F4 displayed. LED flashes green then orange for slightly less than a sec. (picture attached)
• No tuning. when cold. (part of circuit diagram displayed)
• No sound or vision with F1 showing in the display.
• Reduced horizontal size. intermittently.
• Ghosts and poor colours. (extract of circuit diagram attached)
• Picture is too big or too small during horizontal amplitude adjustment.
• Horizontal stripe. intermittently. (picture attached)
• Picture is affected by frizzy lines occasionally with crackling noise in the speakers and perhaps with a burnt smell. (part of circuit diagram displayed) (OTTOVERSAND - 703767 information)
• Slow start-up. (part of circuit diagram displayed)
• No picture, teletext and sound are fine. (part of circuit diagram displayed)
• Defective SOPS. (part of circuit diagram displayed)
• Nasal sound on channels 5 and 6. (+ extract of circuit diagram)
• Low sound on channel A. (extract of circuit diagram attached)
• Shuts down. after a while. LED blinks .
• Lines on picture and sections blanked out. No TXT. (part of circuit diagram displayed)
• East/west raster distortion: width and shaping control do not function.
• Switches on for a few secs with extreme brightness. No picture. Sound OK. Goes into safety mode immediately after.
• No switch on. Red LED flickers for 3 seconds.
• Dark picture.
• No audio. Picture OK . (extract of circuit diagram attached)
• In Standby BUT18AF (T7625) becomes defective.
• After a power supply fault caused by a storm video is defective. CTV in AV retains the picture of the TV programme which is being watched. Sound cuts out but OSD EX1 appears and the channel no. remains. (+ extract of circuit diagram)
• Intermittent failure thyristor 6670 in STANDBY mode. (+ extract of circuit diagram)
• Poor picture synchronisation during station switch-over. Vertical picture jitter, runs through, poor picture via RF or EXT. (extract of circuit diagram attached)
• Snow on screen and no reception. F4 displayed on screen. Green LED lit. (part of circuit diagram displayed)
• Power supply failure. (picture attached)
• No horizontal synchronisation. intermittently. (picture attached) (service info for OTTOVERSAND -703767)
• In VCR there are only chroma lines. (extract of circuit diagram attached)
• Thyristor goes S/C when switched to standby. (picture attached)
• LED lights up for a moment. TV is dead. Light on the power supply sometimes functions. (part of circuit diagram displayed)
• No picture. No brightness. No sound. Picture tube filament on.
• Blows components. at start-up. (extract of circuit diagram attached)
• Colour bar at right of screen. (picture attached)
• No audio. intermittently. (part of circuit diagram displayed)
• Distorted picture. at top. (part of circuit diagram displayed)
• No audio. when cold. No OSD. when cold. (part of circuit diagram displayed)
• Difficult horizontal and vertical adjustment and sawtooth at the side. (+ extract of circuit diagram)
• Dark background and a band of colour on the right. (extract of circuit diagram attached)
• At start up goes immediately into standby. 12C BUS blocks at 5V. (part of circuit diagram displayed)
• 6cm black bar at bottom of picture.
• BUT18, R3570 and F1534 blow. (with circuit diagram extract) (703767 OTTOVERSAND repair tip)
• Fails occasionally.
• Vertical defective, too large line space in upper picture third. Linearity fault. (extract of circuit diagram attached)
• Horizontal size varies. (part of circuit diagram displayed)
• Poor vertical linearity. Horizontal size varies. (picture attached)
• R3653 burns. (picture attached) (703767 tip from OTTOVERSAND)
• The sound fails: after changing over to a different channel, the sound is back. (+ extract of circuit diagram) (OTTOVERSAND - 703767 information)
• Egg-shaped picture, picture is pushed upwards. Underneath 5cm black bar. (with circuit diagram extract)
• Dark screen. in TXT.
• Extra protection for chopper transistor TR7625 (BUT18AF). (extract of circuit diagram attached)
• When put into standby tube remains lit. Picture cuts out normally. (part of circuit diagram displayed) (703767 OTTOVERSAND repair tip)
• No switching into CCIR standard. Display ok in SECAM and PAL/SECAM. (part of circuit diagram displayed)
• BU508 defective after switching channel (when appliance is warm). (+ extract of circuit diagram)
• Picture size varies with picture content. (with circuit diagram extract) (703767 tip from OTTOVERSAND)
• Humming noise from transformer. in standby. (with circuit diagram extract)
• Poor regulation of the power supply. (part of circuit diagram displayed)
• Poor field linearity.
• Finds emitters during channel search but does not stop. (picture attached)
• No MONO audio. STEREO OK . (picture attached)
• Dead. Humming noise from transformer. (part of circuit diagram displayed) (703767 tips)
• PSU transistor (BUT18A) becomes defective right after start-up.
• No start-up from standby with RC.
• No synchronisation.
• No TXT. Intermittent green dots or lines through picture. Black screen. (service info for OTTOVERSAND -703767)
• White screen. Flyback lines. Shuts down. after a few seconds. (with circuit diagram extract)
• White picture with flyback lines. (picture attached) (OTTOVERSAND - 703767 information)
• OSD partly disappeared from the screen in BL sets. (+ extract of circuit diagram)
• Occasionally picture seems to be coded on all the channels especially when cold. (extract of circuit diagram attached)
• On channels 2 and 4 vertical lines on the left hand side of the picture.
• Mono/Stereo-indication switches. (part of circuit diagram displayed) (OTTOVERSAND - 703767 information)
• Primary PSU switches off. No standby LED.
• Defective standby thyristor (SFOR5D43). (part of circuit diagram displayed)
• No sound at some stations or audio failure. Via scart OK.
• Line output transistor fails repeatedly. after start-up.
• Picture width changes according to its content. Linear distortion on right and left sides over 5cm (no ondulation).
• Frayed vertical lines. (part of circuit diagram displayed)
• Vertical synchronisation fault when hot and presence of white line, then picture disappears (picture attached)
• Pincushion distortion at each side. Adjustment potentiometer does not correct fault. (part of circuit diagram displayed)
• BUT18 is defective. (+ extract of circuit diagram)
• Over oscillations below collector BUT18. (extract of circuit diagram attached)
• 100V power supply is approx 35V. (part of circuit diagram displayed)
• Local dooming. (with circuit diagram extract)
• Dark streak on screen. (703767 tip from OTTOVERSAND)
• Distorted audio.
• After about 3 to 4 weeks of regular play, the BUT18 and the main fuse automatically blow. (part of circuit diagram displayed)
• Horizontal line in the middle of screen.
• Tuning unstable. (part of circuit diagram displayed)
• Vertical foldover at top.
• Poor audio. only on certain channels. Crackling audio.
• Causes for appliance going into safety mode.
• Reduced horizontal size. after a while. (part of circuit diagram displayed)
• Unadjustable horizontal centering. (extract of circuit diagram attached)
• The standby thyristor blows. (part of circuit diagram displayed)
• Intermittent fault all over the screen or over an irregular width band leading to line foldover, similar to coded Canal Plus picture. (part of circuit diagram displayed)
• Dark picture. Picture rolls. Picture shifted to the left. Flickering picture. (+ extract of circuit diagram)
• No E/W correction. Pincushion distortion. (+ extract of circuit diagram)
• No TXT, just lines on screen.
• No horizontal synchronisation. (picture attached)
• Voltage too low. (extract of circuit diagram attached)
• Wavy picture. at top.
• Picture is not linear. Black bar at bottom of picture. (+ extract of circuit diagram)
• Negative picture when cold and sometimes intermittently. (part of circuit diagram displayed)
• Colour flickering during video editing.
• POR signal too low. (picture attached)
• Faded picture. No contrast. (+ extract of circuit diagram)
• Mains fuse O/C and BUT S/C. (+ extract of circuit diagram)
• Picture shifted vertically. (OTTOVERSAND - 703767 information)
• Too high power supply. (part of circuit diagram displayed) (703767 tips)