63417 / OTTOVERSAND [TV]

• Switch over problems.
• Standard checking.
• Switching power supply unit TDA4600 does not switch correctly. (picture attached)
• Excessive HT. (+ extract of circuit diagram)
• No luminance. (extract of circuit diagram attached)
• Picture is too dark. After increasing the contrast no picture content. (extract of circuit diagram attached)
• No display, no HV when cold.
• The power supply unit does not start up (extract of circuit diagram attached) (63417 tip from OTTOVERSAND)
• Differences in tuner.
• Dead, display shows 88.
• The horizontal driver transistor fails. (part of circuit diagram displayed)
• No AV possible.
• Intermittent or no colour.
• No functions. Standby LED does not light.
• Automatic channel switching. (+ extract of circuit diagram)
• Picture has shifted at top of the picture.
• Excessive one colour.
• Sams info. (63417 tip from OTTOVERSAND)
• No beam limiter.
• Screeching sound. No picture.
• No colour. at top.
• SECAM-transcoder modification.
• No HV.
• Search function does not work.
• Blurry picture. (+ extract of circuit diagram)
• The storage is lost (multitel 21). (63417 OTTOVERSAND repair tip)
• Adjusting the run time phase.
• Adjusting the screen TXT periphery modulator HF.
• Vertical collapse.
• Distorted picture.
• Non-linear scan.
• No start-up. (+ extract of circuit diagram)
• The power supply unit is in open circuit.
• No picture (intermittently). (63417 tips)
• Vertical foldover at top.
• Harder and harder to start TV then won't start up at all. (picture attached)
• No memory possible. (picture attached)
• Moire effect on the picture.
• Low audio.
• Interference lines.
• Adjusting the run time amplitude (SECAM).
• High HT.
• Function faults (picture sways, power supply block is open circuit, picture trembles). (63417 tips)
• Occasionally the picture is blue, red or green. (+ extract of circuit diagram)
• Width is reduced and raster is bright.
• Monitor operation (MCP114/ME) with Commodore VC64 shows onion pattern. (with circuit diagram extract) (OTTOVERSAND - 63417 information)
• Synchronisation disturbances.
• No reception, only noise.
• Front controls not reacting. All functions available via RC.
• Sound modification.
• Teletext runs through. (63417 tip from OTTOVERSAND)
• Picture jitters/hum on picture/channel numbers flicker/low sound/intermittent RC and front button functions.
• Crackling noise during switching off.
• No TXT. (63417 OTTOVERSAND repair tip)
• Brightness level varies
• Varying sound, B/N or intermittent display. (service info for OTTOVERSAND -63417)
• TV-standards.
• Harder and harder to start up then won't start at all.
• No picture. No audio. (part of circuit diagram displayed)
• Linearity fault in upper third of picture. Several white stripes.
• Picture trembling. (part of circuit diagram displayed) (OTTOVERSAND - 63417 information)
• No picture. No sound. Only noise, station tuning is not possible or some of the baud switching voltages are released at the same time.
• Standby Led flashes. Switches over independently, drifts off tune etc. (+ extract of circuit diagram)
• Hum bars in upper picture part.
• Beam limiter does not function.
• Noise in audio.
• The sound is correct up to level 25. If you increase the volume, there is no sound. (picture attached)
• Lines in picture.
• Dead, standby light initially comes on then goes off. (+ extract of circuit diagram)
• No colour PB.
• No picture. (extract of circuit diagram attached)
• Brightness levels go up and down.
• TDA1872 defective.
• Power supply pulsates quickly. No standby indication. No start up of power supply.
• Poor contrast and white pictures show colour moire during CCVS operation of a Commodre C64 on TV's and monitors. (63417 OTTOVERSAND repair tip)
• Run length phase (SECAM) adjustment.
• No colour. at top.
• No picture, only a vertical blank. (picture attached)
• White value adjustment.
• Operation voltage adjustment "Profi M21".
• Dark picture (intermittently). (+ extract of circuit diagram)
• No operation (intermittently). (+ extract of circuit diagram)
• No picture content on the screen, also analogue functions do not work (but display counts). Appliance cannot be switched to stand-by. (service info for OTTOVERSAND -63417)
• Setting the SECAM discriminator circuit.
• Change of audio IC TDA4190.
• Low luminance.
• Appliance does not function. No collector voltage on the horizontal output transistor, also not with the deflection plug. 5V.
• Setting the vertical linearity.
• Vertical size adjustment.
• No colour PB when the appliance is used as a monitor for the Commodore C64.
• TXT mod. with VT-decoder II.
• Changing the chassis on Profi M15.
• No start-up (intermittently).
• Vertical error.
• Excessive vertical size.
• Variable brightness level.
• Picture shifted to the left.
• Hum and jitter. (part of circuit diagram displayed)
• Intermittently no line sync and high oscillation. Line transistor fails if it remains too long in this state.
• No functions. Display OK .
• Adjusting the run time amplitude.
• Does not start or only starts after several attempts.
• Vertical collapse. intermittently. (part of circuit diagram displayed)
• Intermittent volume.
• Screeching sound.
• Dark picture. on the left.
• No colour (intermittently).
• Setting the chroma filter.
• Distorted picture. Volume varies. (picture attached)
• Adjusting the demodulator screen TXT periphery.
• Reduced horizontal size. Hum bar.
• Picture shifted to the right. (with circuit diagram extract)
• The IR receiver is blocked.
• No sound via scart.
• Setting the SECAM bell circuit.
• Intermittent light/dark.
• Distorted audio. (extract of circuit diagram attached)
• Fizzle in PSU.
• No start-up. when cold. (picture attached)
• Pin occupation: Scart plugs/sockets.
• Varying grey scale.
• The picture only appears 4 minutes after switching on.
• Distorted audio.
• Variable 5V supply.
• Replace TDA872A with TDA1675.
• Vertical amplitude changes in AV operation, by program search or also by poor aerial signal.
• Segment generator SA5243.
• Setting the UR tuner.
• Makes a "BLUPP" noise after switch on then no function. (63417 OTTOVERSAND repair tip)
• Deflection noise.
• IR receiver reacts to external light.
• Vertical line at the left hand picture edge.
• Line pulling at top of picture.
• Colour disappears then reappears after a short time.
• No signal. (part of circuit diagram displayed)
• Picture takes a long time (even 10 mins) to appear. Sound OK.
• The vertical deflection IC TDA 1872 A fails after a few days. (extract of circuit diagram attached)
• There is a fault during station search. (with circuit diagram extract)
• Storage extension (only for multitel and TV10).
• Intermittent audio. (with circuit diagram extract)
• Brightness and contrast switch off.
• Picture occasionally or always becomes wavy. (with circuit diagram extract) (63417 OTTOVERSAND repair tip)
• Setting the vertical frequency.
• No picture, only snow.
• H-driver transformer and bias resistor R534 defective and fail again after replacement.
• Modification set SECAM-L converter.
• Fitting of a different tuner: The manufacturer has fitted different tuner types to chassis C8500: - NSF-tuner - Loewe-tuner (with adapter board)
• Adjusting the horizontal frequency.
• Excessive brightness.
• After switch on picture shakes up and down. Improves after some time. (picture attached)
• Incorrect height on picture and non linear.
• No vertical deflection. (part of circuit diagram displayed) (service info for OTTOVERSAND -63417)
• Malfunction because the electrolytics have lost their capacity.
• Intermittent picture (beam lim).
• No station tuning possible. Only noise. (extract of circuit diagram attached)
• No function, starts up briefly. No display. (63417 tip from OTTOVERSAND)
• Dead, no U8 or U5 supplies
• Adjusting the screen TXT voltage.
• OIRT standard reception.
• Picture is blurred and almost negative (dark).
• Picture has shifted, the operation indication flickers. (picture attached)
• Foldover at bottom. (part of circuit diagram displayed)
• Shortly after switch on the picture goes darker, the colour and contrast become weak. After a short or long time the picture is correct again.
• Picture runs through, bounces.
• Picture jitters. Hum in audio. (picture attached)
• Bright picture. (+ extract of circuit diagram)
• Fitting a Lotus-BTX decoder.
• Dead no standby LED at switch on.
• Noise in picture. (part of circuit diagram displayed)
• No colour.
• Adjusting the screen TXT decoder clock frequency. (63417 OTTOVERSAND repair tip)
• No beam limiter operation.
• No signal.
• Cable tuner table.
• No user control when switching on. Picture jitters and everything ok again after a few mins. Then crackle in the sound and it becomes considerably quieter.
• Squealing noise. (extract of circuit diagram attached)
• Line tearing. intermittently. (with circuit diagram extract)
• Focus adjustment. (service info for OTTOVERSAND -63417)
• End tuning does not function.
• Setting the voltage U110. (OTTOVERSAND - 63417 information)
• Station tuning is not possible. (picture attached) (63417 tip from OTTOVERSAND)
• No high voltage or picture.
• Setting the block.
• After switch on contrast jumps from normal to bright. (OTTOVERSAND - 63417 information)
• The lines appear torn.
• Setting the run time equalisation.
• The RGB output shows problems.
• Dark picture. (with circuit diagram extract)
• Dead. (part of circuit diagram displayed)
• Setting the horizontal position.
• Dead. No display.
• Picture turns light and dark.
• No brightness (intermittently).
• Poor picture covered with green stripes.
• Adjusting the screen TXT periphery modulator LF.
• Scan is non-linear. (+ extract of circuit diagram)
• No start-up. Standby LED does not light.
• Sporadically there is no picture content. After switching off then on again in most cases picture content returns. (part of circuit diagram displayed)
• When supply voltage U110V is adjusted correctly the picture width is too big (profi M15).
• After storage has been extended the screen display is faulty.
• Blurred picture. Picture becomes sharp after a while and vertical picture parts jitter.
• Setting the chroma band pass (SECAM).
• Switches OFF by self after couple of mins of good function. Will function again for same period, if it is switched ON again after becoming cold. (part of circuit diagram displayed)
• No picture content. Flyback lines. RGB output signals are missing on the TDA. TDA is ok.
• Adjusting the black value.
• The top right corner is dark. (with circuit diagram extract)
• Reduced vertical size. (with circuit diagram extract)
• Adjusting the screen TXT decoder line frequency. (63417 OTTOVERSAND repair tip)
• Narrow picture and tube looks flat. Slight whistle. (part of circuit diagram displayed)
• During VCR PB the picture amplitude jumps, especially during special function (picture search, freeze frame etc.) (+ extract of circuit diagram)
• No colour. Picture OK .
• Grey value adjustment.
• Problems using the remote control (IRtransmitter). (part of circuit diagram displayed)
• Picture runs through or jumps vertically.
• Small, flat picture.
• No BTX-operation possible (Lotus).
• Chassis information.
• Weak contrast. intermittently. (63417 tips)
• Switches on automatically from stand-by
• Changed IC TDA4190
• The line amplitudes jump. (picture attached)
• No E/W raster control. (63417 tip from OTTOVERSAND)
• Picture rolls and jitters approx 1-3 mins, then picture is OK.
• No picture. Picture remains dark even when AV signal is available.
• Adjusting the quiescent carrier minimum (SECAM).
• No vertical synchronisation.