703102 / OTTOVERSAND [TV]

• Intermittent or no colour. (+ extract of circuit diagram)
• White lines on top of screen.
• Text fault. Channel flag is present and stable, but there are no bar graphs for colour, sound etc. When the set is switched to the teletext mix mode, a perfect text display is produced. (with circuit diagram extract)
• Approx. 5 horizontal bars from top of picture spaced about 8mm apart gradually fading out. note; If height reduced fault worsens and picture jitters with even more bars. (+ extract of circuit diagram)
• Buzzing from PSU.
• Occasionally picture and sound disappear. (extract of circuit diagram attached)
• Resistor R802 always blows. (part of circuit diagram displayed)
• Picture folds over at sides. Then a vertical bar remains in the picture.
• No channel tuning after channel 36. A horizontal bar runs through on the picture then search continues. Tunes the channels below channel 36.
• No text, channel flag drifting. (part of circuit diagram displayed)
• Starts up, then no function from remote or main controls.
• No picture. Squealing from PSU. Audio OK . (part of circuit diagram displayed)
• No audio. No picture. Channel indicator OK.
• Chirping. (with circuit diagram extract)
• No HV. (OTTOVERSAND - 703102 information)
• TV starts up, EHT starts up then cuts out. Channel display remains.
• Erratic colours. (+ extract of circuit diagram)
• Smearing in picture.
• No light (Y signal) in reception via tuner nor via SCART input. TXT and OSD OK.
• Starts up, line transformer starts up then cuts out. Channel display remains.
• No functions.
• No blue after 30 mins. (picture attached)
• Elusive Parts.
• Power supply running, but no HT on line output transistor.
• Blue screen only. No sound but channel indicator is working & will change channels when selected.
• How to check main PSU.
• No functions. Display OK . (picture attached)
• Hissing noises after switch on (OTTOVERSAND - 703102 information)
• Poor picture, contrast being very low irrespective of the customer control setting. (part of circuit diagram displayed)
• No display. No functions. No audio, only a dark blank raster. (extract of circuit diagram attached)
• Noisy NICAM.
• Intermittently goes dead with loud whistling. (extract of circuit diagram attached)
• No control possible after 10 secs. (service info for OTTOVERSAND -703102)
• Power supply overloaded and squealing.
• Loss of sound.
• Whistle from speakers. Changes when adjusting contrast and/or brightness. Also fine horizontal lines in picture. (with circuit diagram extract)
• White flashes in picture and/or intermittent operation and/or horizontal sync dropout intermittently.
• Ragged raster. Picture lines run through each other.
• Screen doesn't light up. Sound OK.
• Blank raster. OSD OK .
• After working for a couple of minutes, picture sync is lost then the screen goes black. Power supply shuts down and squeals. (part of circuit diagram displayed) (service info for OTTOVERSAND -703102)
• After turning on the set goes to standby but the LED will not light. (+ extract of circuit diagram)
• LED briefly lit after switch on, then progr. 1 or 2 starts. No other entries possible. No picture and no sound.
• From standby will not switch on, LED display comes on. Standby LED stays on. (extract of circuit diagram attached)
• Appliance squeaks very loud. No picture. No sound.
• Frame distortion, line doubling. (+ extract of circuit diagram)
• No sync on OSD or text. Usually no text at all, just moving blank screen. (part of circuit diagram displayed)
• Squealing from PSU. (extract of circuit diagram attached)
• No convergence.
• Distorted picture and poor synchronization via SCART. No colour via tuner.
• Switches to standby.
• Line output transistor S/C, R567 O/C and D854 S/C. (picture attached)
• No function. Loud cracking from the main PSU.
• Dark picture. (service info for OTTOVERSAND -703102)
• No audio.
• Tries to switch on for 1 sec and then stops. LED and channel no. remain lit. (with circuit diagram extract)
• No voltages from PSU.
• No synchronisation via SCART and TV.
• No picture. No sound. Squeals. Channel numbers lit. (picture attached)
• Appliance fizzes then width comes in. (+ extract of circuit diagram)
• Vertical collapse. (extract of circuit diagram attached)
• Dead, channel number lit; may come on for short time then turns off but neon display remains. (+ extract of circuit diagram)
• Poor frame scan. (picture attached)
• At switch on the sound mutes. The effect lasts for only about ten minutes and will not return until the next day. (+ extract of circuit diagram)
• No start-up. LED blinks .
• Dent in right side of picture after a prolonged operating time (after 1.5hrs). After cooling down picture OK again. (extract of circuit diagram attached)
• Intermittently no or low audio and crackling from right speaker. Sound OK on SCART socket.
• Bad distortion, line doubling and horizontal striations were all present at once. (part of circuit diagram displayed) (703102 tip from OTTOVERSAND)
• The sound is normal but only a poor washed out picture, i.e. no contrast. The picture can sometimes hardly be seen, consisting of just a slight movement of shaded greys on the raster. Or the screen might be completely blanked out. (with circuit diagram extract)
• Vertical stripes like strings of pearls in picture. (service info for OTTOVERSAND -703102)
• Fine lines on top of picture.
• Poor colour. (extract of circuit diagram attached)
• No luminance signal. Chroma is present.
• No colour sync.
• Picture vibrates. Black lines in picture, especially in top half. (with circuit diagram extract)
• Squeal from PSU. Channel LED OK.
• No sound for the first half hour after switch on. (+ extract of circuit diagram)
• Horizontal green and magenta bars running through picture. (with circuit diagram extract)
• Muted audio. (extract of circuit diagram attached)
• Lines in picture. at bottom. (+ extract of circuit diagram)
• Line output stage transistor fails after a while. (OTTOVERSAND - 703102 information)
• Switches off by itself. after a few minutes.
• PSU whistles.
• No audio from right hand side loud speaker. Crackling scart socket.
• Reduced vertical deflection.
• No TXT, unstable channel number. (+ extract of circuit diagram)
• Noisy NICAM.
• When appliance is warm tuning problems occur. (picture attached)
• Picture turns red after a short while in operation.
• Intermittently whistles. (extract of circuit diagram attached)
• Tuning is slightly off. Dark screen with zigzag lines. Intermittent flashes of chroma and sound mutes.
• Picture sync goes then picture disappears. (with circuit diagram extract)
• East to West bowing. (with circuit diagram extract)
• Q551 fails again after a short time.
• No audio. No picture. (extract of circuit diagram attached)
• Cuts out when warm. Works well without the cabinet. (703102 tip from OTTOVERSAND)
• Low audio from right hand side loud speaker. Crackling scart socket.
• No blue.
• Black screen. Display OK .
• Stations cannot be tuned in properly. (part of circuit diagram displayed)
• Picture and sound are missing, channel change ok. (703102 OTTOVERSAND repair tip)
• Foldover at top and picture vibrates.
• Power supply squeaks, speaker hums and twitters. (picture attached)
• Picture goes red.
• Lines in picture.
• No tuning.
• Line output stage is defective. Line BU is defective. After replacement the same fault reoccurs. (extract of circuit diagram attached)
• Red picture. Flyback lines.
• Chirping. Line tearing. after a while.
• Stuck in standby. (with circuit diagram extract)
• Comes on then switches to standby leaving three blobs of colour in the centre of screen. (with circuit diagram extract)
• Horizontal lines in top half of picture when cold. Entire picture trembles.
• Chirping. Display OK .
• No synchronisation. No picture. Shuts down. (with circuit diagram extract)
• Vibrating picture and horizontal lines. (+ extract of circuit diagram)
• Picture right area is darker (shadowed) than rest of screen.
• Dead. (with circuit diagram extract)
• Snow on picture and low gain. (+ extract of circuit diagram)
• Picture width quivers.
• Power supply starts up, pulsates 3-4 times and then goes into standby
• Line tearing. Pincushion distortion. on the right. (extract of circuit diagram attached)
• No luminance but chrominance in the display.
• Reduced horizontal size. (+ extract of circuit diagram)
• Power supply hissing for approx 3 secs at start up and goes to safety mode. Programme display visible all the time.
• Line output transistor fails repeatedly. (with circuit diagram extract) (703102 OTTOVERSAND repair tip)
• Intermittent audio. (+ extract of circuit diagram)
• Bright red raster.
• Dark picture via S-VHS input. (703102 tips)
• Line BU fails at irregular intervals.
• Intermittently flickers and powers down. (picture attached)
• Colour flickers.
• Low colour amplitude. (part of circuit diagram displayed)
• Poor sync and colour. Picture becomes better after a while but with horizontal coloured bars. Hum in audio.
• IC801 intermittently blown. (extract of circuit diagram attached) (703102 tips)
• Bright red screen.
• Intermittent audio. (part of circuit diagram displayed)
• Poor vertical line across right side of picture.
• No start-up (intermittently). (part of circuit diagram displayed)
• Nicam Crackle.
• Fuzzy picture. (part of circuit diagram displayed)
• Raster is blank, video, sound and display are missing and no remote control response. (extract of circuit diagram attached)
• Flyback lines. at top. (OTTOVERSAND - 703102 information)
• Doesn't switch completely off from standby. Program display disappears. Standby LED lights.
• After about four hours operation the safety resistor R567 in the HT feed to the line output stage blows. This is accompanied by various shrieks and whistles. (part of circuit diagram displayed)
• Intermittently no line hold. (picture attached)
• No picture, no high voltage, power supply squeaks, sound present. (with circuit diagram extract)
• Erratic colour. (+ extract of circuit diagram)
• Switches to protection mode (after start-up). (part of circuit diagram displayed)
• Intermittent colour, sometimes flashes orange, green then blue then disappears altogether. (+ extract of circuit diagram)
• Intermittent whistling noise when set first switched on.
• No audio for 10 mins. (with circuit diagram extract)
• Intermittent colour and insufficient colour at max setting of colour control. (with circuit diagram extract) (703102 tip from OTTOVERSAND)
• No or poor contrast. (with circuit diagram extract)
• Extremely weak contrast, controls have no effect. (picture attached)
• TV goes into safety mode at switch-on.
• After a few hours edges bow. (extract of circuit diagram attached) (703102 tip from OTTOVERSAND)
• Sound muting and no function of the controls after an hour approx. (picture attached)
• If left on teletext, white beating bars appear over text.
• Cannot be switched properly to standby, sound muted after pressing standby key on RC, programme display disappears and standby LED lit, picture still present.
• No TXT. (picture attached)
• Intermittently picture disappears leaving dark grey raster. (part of circuit diagram displayed)
• Excessive brightness. No colour. (+ extract of circuit diagram)
• After about half an hour's use and when a different channel is selected, the channel information derived from the text flashes unlocked across the screen. There is also loss of teletext synchronisation. (part of circuit diagram displayed)
• Horizontal tearing.
• Stripes, double lines and distorted picture. (extract of circuit diagram attached)
• Memory IC defective.
• Channels 1 and 4 intermittently not tuneable - frequency not lockable.
• Flashover voltage in PSU.
• Sound is slightly distorted. (part of circuit diagram displayed) (OTTOVERSAND - 703102 information)
• Dead. Whining. Channel numbers OK. (part of circuit diagram displayed) (OTTOVERSAND - 703102 information)
• No picture (intermittently). (part of circuit diagram displayed)
• White bar (approx. 10cm) on top of the picture. (703102 tips)
• No horizontal oscillation signal. Whistle from PSU often. (OTTOVERSAND - 703102 information)
• Picture bows in from the sides intermittently or permanent. (+ extract of circuit diagram)
• Switches to protection mode (after a few seconds). (+ extract of circuit diagram)
• Picture is shifted inwards at the right side. Fault occurs after approx 15 mins.
• Poor picture. Low contrast. (extract of circuit diagram attached) (703102 OTTOVERSAND repair tip)
• Bright lines on screen. (extract of circuit diagram attached)
• Whistling from PSU. intermittently. (with circuit diagram extract)
• Picture pulls to right hand side. (picture attached)
• Poor picture and colour halo at sides of screen.
• Elusive Parts.
• No picture (intermittently). Audio OK . (picture attached)
• No start-up. Squealing from PSU. (+ extract of circuit diagram)
• Intermittently dead. (extract of circuit diagram attached)
• Saturated picture in red, green or blue. (part of circuit diagram displayed)
• Red picture with flyback lines.
• Only program display. No standby display (OTTOVERSAND - 703102 information)
• Power supply does not start up. Standby LED does not light up. (703102 tip from OTTOVERSAND)
• No picture. No sound. Standby LED lights up. If switched on with RC, program display appears and it cannot be switched over. Runs ok for 4 hours acc to customer. (service info for OTTOVERSAND -703102)
• PSU whistling. Channel indicator OK.
• No bar graphs. No TXT. TXT OK in mix. (+ extract of circuit diagram)
• Whistling in the power supply, depending on the load.
• No blue. after a while. (extract of circuit diagram attached)
• Squealing from PSU (intermittently). (OTTOVERSAND - 703102 information)
• Strong chirping after switch on. No channel appears.
• Shuts down. after a few minutes. (part of circuit diagram displayed)
• Intermittent line output stage operation. (picture attached)
• Distorted audio. (with circuit diagram extract)
• Q552 (2SD1441) S/C. (part of circuit diagram displayed)
• Intermittently picture impairment with noise.
• After approx 1 hour the picture becomes approx 3cm too small at the right edge.
• EHT fails within 2 secs after switch on.
• Loss of text sync after 1 hour. (picture attached)
• Blank raster. Audio OK .
• Dark picture with test lines when cold.
• Switches off. No control possible. Program display OK.
• Picture twists horizontally causing E/W distortion when warm.
• Poor synchronisation. (extract of circuit diagram attached) (service info for OTTOVERSAND -703102)
• Excessive horizontal size. E/W fault. (+ extract of circuit diagram)
• Unlocked colour. (part of circuit diagram displayed)
• Switches off by itself. after warm-up. (with circuit diagram extract)
• Set dead apart from a whine from the power supply. (extract of circuit diagram attached)
• Dead. Channel display on . (picture attached) (703102 tips)
• No STEREO sound.
• Dead after a burst of EHT.
• Faint line down right hand side of screen. (extract of circuit diagram attached)
• Extreme field distortion. (picture attached)
• Comes on for a short time. (picture attached)
• E/W fault. (+ extract of circuit diagram)
• Distorted speaker on right hand side.
• Appliance blocks occasionally, all basic values are set to minimum, all additional displays (stereo, three-dimensional sound etc.) light up. If the main switch is switched off then on again then everything is ok.
• Intermittent colour after a few hours, flickers off then on again. On maximum colour setting line paired more so on reds. (part of circuit diagram displayed)
• Exits standby and stops. Channel no. remains lit.
• No Nicam sound, neither Nicam nor mono symbol seen on display. (+ extract of circuit diagram) (703102 OTTOVERSAND repair tip)
• Line doubling/distortion/striations. (+ extract of circuit diagram)
• Picture not locked and/or no text, will lock if the text button is pressed or set is put into AV then back to TV. (OTTOVERSAND - 703102 information)
• No colour (intermittently).
• No line drive. (with circuit diagram extract)
• No vertical synchronisation.
• Reduced vertical size. (703102 tip from OTTOVERSAND)
• Appliance hisses. No high voltage. Standby voltage is present. (picture attached)
• Whistling at start-up. Programme number display functions. (service info for OTTOVERSAND -703102)
• No text although the channels flags are normal. (+ extract of circuit diagram)
• No picture. No sound. Raster OK. CRT-filament lights, blocked on channel 0.
• No NICAM sound.
• Distorted audio. on the left. (part of circuit diagram displayed)
• Intermittent colour and saturation is low. (part of circuit diagram displayed)
• Picture width quivers. Intermittently picture drops out. (703102 tip from OTTOVERSAND)
• Controls go faulty after a while. (with circuit diagram extract)
• Defective or erratically oscilating colours.
• Dark screen.
• Colour not right. (with circuit diagram extract)
• RC problems. (with circuit diagram extract)
• Black screen.
• PSU pulsates.
• Unstable picture. Hum in audio. Colour flickers.
• TXT flashes on screen after 1 hour. Loss of sync on TXT. (picture attached)
• Switches to standby (after start-up). (picture attached)
• Poor colour. intermittently. (extract of circuit diagram attached)
• Vertical distortion. Horizontal deflection with vertical stripes and pairing effect.
• Tuning drifts (intermittently).
• No picture. Audio OK . (extract of circuit diagram attached)
• Hum, crackling, and other secondary noises via headphones and loudspeaker with high volume and volume "0".
• Fizzle noise after turning on.
• Looks like text line at top 3" of picture.
• No TXT; picture unlocked until TXT button pressed or set to AV position. (extract of circuit diagram attached)
• No picture or sound intermittently. Program display is present.
• Defective or erratic oscillating colours. (service info for OTTOVERSAND -703102)
• Intermittent colour. (extract of circuit diagram attached)
• Coloured bars across screen. (part of circuit diagram displayed)
• Unstable OSG.
• No vertical deflection. (extract of circuit diagram attached)
• No E/W correction.
• No picture. Flyback lines. No audio. Raster OK .
• Intermittent loss of tuning memory.
• No brightness. Audio OK .
• Horizontal lines at the top part of the picture. OSD insertions slowly run vertically through the picture.
• No sound and picture. Channel switch over OK. (703102 OTTOVERSAND repair tip)
• Faulty TXT. (part of circuit diagram displayed)
• Picture full with stripes, when adjusting the horizontal size the fault disappears.
• Flyback lines. at top (intermittently). (extract of circuit diagram attached) (OTTOVERSAND - 703102 information)
• No sound. No picture. Whistle when pressing mains switch.
• Sound is distorted from either left or right hand channel. (picture attached)
• Colour varies. (picture attached)
• No synchronisation. in TXT. (with circuit diagram extract)
• Squeals at switch on then dies except for channel number indicator. (picture attached)
• Intermittent black lines on right hand side of picture. (picture attached)
• No channel storing. (picture attached)
• Intermittent whistle. (picture attached)
• Distorted audio from left hand channel.
• At switch on picture is snowy, flashes, then OK. (with circuit diagram extract)
• No raster. (part of circuit diagram displayed)
• Loss of text sync/no channel identification lock. (with circuit diagram extract)
• Horizontal dark bars across the picture. (picture attached) (service info for OTTOVERSAND -703102)
• No picture. No sound. Standby LED lights up. If switched on with the RC, channel display appears and can be switched over.
• Repeated failure of field output chip IC451 (AN5521).
• After 3-4 hours a faint line appears at the top of the screen. (picture attached)
• When warm picture shift to the right then line oscillation is defective. (service info for OTTOVERSAND -703102)
• No synchronisation. (part of circuit diagram displayed) (703102 tip from OTTOVERSAND)
• Faulty teletext. Channel flag and bar graphics drift aimlessly across the screen while the text is erratic with flashing white lines on the background. (with circuit diagram extract)
• Shuts down (intermittently). (+ extract of circuit diagram)
• Failure of line output transistor Q551 (2SD1441RL). (extract of circuit diagram attached)
• Blue background on teletext and OSG but picture OK. (picture attached)
• Reduced horizontal size. intermittently. (part of circuit diagram displayed)
• Tuning problems, would drift off tune after some time. (extract of circuit diagram attached)
• Set only works after several attempts to switch on. Switch is ok. (picture attached)
• Line output transistor fails repeatedly. after start-up.
• No sound for the first half an hour. (with circuit diagram extract)
• Video seems off tune. (extract of circuit diagram attached) (703102 OTTOVERSAND repair tip)
• Blank raster. No RC functions. (part of circuit diagram displayed)
• Lines in picture. at top. (part of circuit diagram displayed)
• No colour, or colour flashes on and off. (part of circuit diagram displayed)
• Set operated perfectly for an hour, then the sound would mute and controls wouldn't work. (part of circuit diagram displayed)
• Tuning goes off with ticking. (part of circuit diagram displayed)
• Shuts down (after a few seconds). Squealing from PSU.
• Sound and picture are missing, channel change ok. (part of circuit diagram displayed)
• Pincushion distortion.
• E/W fault (intermittently). (with circuit diagram extract)
• Severe noises form PSU for approx. 5 sec, then switches off . Program display remains
• Horizontal lines. Unstable picture.
• Red, green or blue picture. (extract of circuit diagram attached)
• Line transistor BU508D fails again straight away immediately after switch on. (with circuit diagram extract)
• Powers up momentarily. (+ extract of circuit diagram)
• One colour missing. (703102 tips)
• No or intermittent loss of video signal. (picture attached) (703102 OTTOVERSAND repair tip)
• No sound, blank raster and unlocked channel numbers.
• Mainly dark screen with zigzag lines. Some signs of chroma flash up intermittently and the sound is muted. (+ extract of circuit diagram)
• Q551 running very hot and blowing R567 after approx. 4hrs. (extract of circuit diagram attached)
• One colour high.
• Line BU is S/C.
• No picture. (part of circuit diagram displayed)