703243 / OTTOVERSAND [TV]

• Saturated picture in red, green or blue. (+ extract of circuit diagram)
• After 3-4 hours a faint line appears at the top of the screen. (part of circuit diagram displayed) (703243 tip from OTTOVERSAND)
• No channel tuning after channel 36. A horizontal bar runs through on the picture then search continues. Tunes the channels below channel 36.
• Distorted speaker on right hand side.
• Occasionally picture and sound disappear. (part of circuit diagram displayed)
• No audio. No picture. Channel indicator OK.
• 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.
• Flyback lines. at top (intermittently). (picture attached)
• How to check main PSU. (703243 tips)
• Appliance fizzes then width comes in. (with circuit diagram extract)
• IC801 intermittently blown. (picture attached)
• Intermittent audio. (extract of circuit diagram attached)
• Dark screen.
• PSU pulsates.
• Line tearing. Pincushion distortion. on the right. (with circuit diagram extract)
• Squeals at switch on then dies except for channel number indicator. (with circuit diagram extract)
• Set operated perfectly for an hour, then the sound would mute and controls wouldn't work. (picture attached)
• Red, green or blue picture. (picture attached)
• No picture. (extract of circuit diagram attached)
• White flashes in picture and/or intermittent operation and/or horizontal sync dropout intermittently.
• Black screen.
• No blue.
• Looks like text line at top 3" of picture.
• Erratic colours. (picture attached)
• Switches off by itself. after warm-up. (extract of circuit diagram attached)
• Fine lines on top of picture.
• Q551 running very hot and blowing R567 after approx. 4hrs. (+ extract of circuit diagram)
• Excessive brightness. No colour. (part of circuit diagram displayed)
• Fuzzy picture. (with circuit diagram extract)
• Distorted picture and poor synchronization via SCART. No colour via tuner.
• Whistling from PSU. intermittently. (part of circuit diagram displayed) (703243 OTTOVERSAND repair tip)
• Dark picture with test lines when cold.
• RC problems. (picture attached)
• Noisy NICAM.
• Picture width quivers.
• No start-up. LED blinks .
• Appliance squeaks very loud. No picture. No sound.
• No voltages from PSU.
• Coloured bars across screen. (with circuit diagram extract)
• No sound, blank raster and unlocked channel numbers.
• Lines in picture. at bottom. (with circuit diagram extract)
• Memory IC defective.
• Erratic colour. (part of circuit diagram displayed)
• Picture full with stripes, when adjusting the horizontal size the fault disappears.
• White bar (approx. 10cm) on top of the picture. (service info for OTTOVERSAND -703243)
• From standby will not switch on, LED display comes on. Standby LED stays on. (extract of circuit diagram attached)
• Switches to protection mode (after a few seconds). (with circuit diagram extract)
• Shuts down (intermittently). (with circuit diagram extract)
• Switches to protection mode (after start-up). (picture attached)
• TV starts up, EHT starts up then cuts out. Channel display remains.
• No picture. No sound. Squeals. Channel numbers lit. (extract of circuit diagram attached)
• Vertical stripes like strings of pearls in picture.
• No picture. Flyback lines. No audio. Raster OK .
• Stripes, double lines and distorted picture. (extract of circuit diagram attached)
• Vertical distortion. Horizontal deflection with vertical stripes and pairing effect.
• No tuning.
• Mainly dark screen with zigzag lines. Some signs of chroma flash up intermittently and the sound is muted. (extract of circuit diagram attached)
• After a few hours edges bow. (picture attached)
• Intermittently dead. (with circuit diagram extract)
• No vertical deflection. (part of circuit diagram displayed)
• Reduced horizontal size. (with circuit diagram extract) (OTTOVERSAND - 703243 information)
• E/W fault. (+ extract of circuit diagram)
• Faulty TXT. (picture attached)
• No bar graphs. No TXT. TXT OK in mix. (+ extract of circuit diagram)
• Dead, channel number lit; may come on for short time then turns off but neon display remains. (extract of circuit diagram attached)
• Snow on picture and low gain. (extract of circuit diagram attached)
• No brightness. Audio OK .
• Horizontal lines. Unstable picture.
• Intermittent colour after a few hours, flickers off then on again. On maximum colour setting line paired more so on reds. (with circuit diagram extract)
• Intermittent colour and saturation is low. (picture attached) (703243 OTTOVERSAND repair tip)
• Shuts down (after a few seconds). Squealing from PSU.
• Extreme field distortion. (extract of circuit diagram attached)
• Comes on for a short time. (with circuit diagram extract)
• No or poor contrast. (picture attached)
• Power supply running, but no HT on line output transistor.
• Intermittently no or low audio and crackling from right speaker. Sound OK on SCART socket.
• No sound and picture. Channel switch over OK.
• No luminance signal. Chroma is present.
• Bright lines on screen. (+ extract of circuit diagram)
• Hum, crackling, and other secondary noises via headphones and loudspeaker with high volume and volume "0".
• Power supply squeaks, speaker hums and twitters. (part of circuit diagram displayed)
• No functions. Display OK . (+ extract of circuit diagram) (703243 tip from OTTOVERSAND)
• Distorted audio. (with circuit diagram extract)
• One colour missing.
• No STEREO sound.
• Screen doesn't light up. Sound OK.
• No picture. No sound. Raster OK. CRT-filament lights, blocked on channel 0.
• Intermittent audio. (part of circuit diagram displayed)
• No picture, no high voltage, power supply squeaks, sound present. (part of circuit diagram displayed)
• PSU whistles.
• Power supply overloaded and squealing.
• Intermittent whistle. (extract of circuit diagram attached)
• 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. (part of circuit diagram displayed) (703243 tips)
• Chirping. Display OK . (703243 tips)
• Strong chirping after switch on. No channel appears.
• Switches to standby.
• Intermittent whistling noise when set first switched on.
• Switches off by itself. after a few minutes.
• Noisy NICAM.
• Comes on then switches to standby leaving three blobs of colour in the centre of screen. (part of circuit diagram displayed)
• Dead after a burst of EHT.
• Poor synchronisation. (with circuit diagram extract)
• Red picture with flyback lines.
• Picture vibrates. Black lines in picture, especially in top half. (picture attached)
• No picture (intermittently). Audio OK . (part of circuit diagram displayed)
• No synchronisation. No picture. Shuts down. (extract of circuit diagram attached)
• Dead. Whining. Channel numbers OK. (part of circuit diagram displayed)
• Shuts down. after a few minutes. (picture attached)
• Set only works after several attempts to switch on. Switch is ok. (extract of circuit diagram attached) (703243 tip from OTTOVERSAND)
• Sound and picture are missing, channel change ok. (extract of circuit diagram attached)
• Sound is distorted from either left or right hand channel. (+ extract of circuit diagram)
• No sync on OSD or text. Usually no text at all, just moving blank screen. (part of circuit diagram displayed)
• Blue background on teletext and OSG but picture OK. (part of circuit diagram displayed)
• Poor sync and colour. Picture becomes better after a while but with horizontal coloured bars. Hum in audio.
• Intermittently whistles. (picture attached)
• Line output transistor fails repeatedly. after start-up.
• Extremely weak contrast, controls have no effect. (picture attached)
• White lines on top of screen.
• Whistling at start-up. Programme number display functions.
• Bad distortion, line doubling and horizontal striations were all present at once. (part of circuit diagram displayed)
• No vertical synchronisation.
• Q552 (2SD1441) S/C. (with circuit diagram extract)
• Dead. Channel display on . (+ extract of circuit diagram)
• Exits standby and stops. Channel no. remains lit.
• Ragged raster. Picture lines run through each other. (703243 tips)
• No audio. No picture. (extract of circuit diagram attached)
• No TXT; picture unlocked until TXT button pressed or set to AV position. (part of circuit diagram displayed)
• Flyback lines. at top.
• Line BU is S/C.
• Channels 1 and 4 intermittently not tuneable - frequency not lockable.
• 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 attached)
• Vibrating picture and horizontal lines. (+ extract of circuit diagram)
• Tuning drifts (intermittently).
• Line output transistor S/C, R567 O/C and D854 S/C. (+ extract of circuit diagram)
• Intermittently no line hold. (part of circuit diagram displayed)
• Bright red raster.
• No channel storing. (picture attached) (service info for OTTOVERSAND -703243)
• Reduced vertical size. (703243 OTTOVERSAND repair tip)
• No audio.
• No NICAM sound. (703243 OTTOVERSAND repair tip)
• 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) (OTTOVERSAND - 703243 information)
• Fizzle noise after turning on.
• No or intermittent loss of video signal. (picture attached)
• Appliance hisses. No high voltage. Standby voltage is present. (picture attached)
• Repeated failure of field output chip IC451 (AN5521).
• Picture and sound are missing, channel change ok.
• Resistor R802 always blows. (+ extract of circuit diagram)
• No synchronisation. in TXT. (picture attached)
• Whistling in the power supply, depending on the load.
• Colour flickers.
• Switches off. No control possible. Program display OK.
• Squealing from PSU (intermittently).
• TV goes into safety mode at switch-on.
• Power supply hissing for approx 3 secs at start up and goes to safety mode. Programme display visible all the time.
• Colour varies. (extract of circuit diagram attached)
• Power supply starts up, pulsates 3-4 times and then goes into standby
• Chirping. (picture attached)
• No horizontal oscillation signal. Whistle from PSU often.
• No colour, or colour flashes on and off. (+ extract of circuit diagram)
• Video seems off tune. (with circuit diagram extract)
• Blank raster. Audio OK .
• No picture. Squealing from PSU. Audio OK . (picture attached)
• Intermittent black lines on right hand side of picture. (picture attached) (703243 tips)
• Intermittent or no colour. (part of circuit diagram displayed)
• No audio for 10 mins. (+ extract of circuit diagram)
• Picture width quivers. Intermittently picture drops out.
• Line doubling/distortion/striations. (picture attached)
• Picture bows in from the sides intermittently or permanent. (+ extract of circuit diagram)
• Picture pulls to right hand side. (with circuit diagram extract)
• Colour not right. (part of circuit diagram displayed)
• Picture goes red.
• Foldover at top and picture vibrates.
• No function. Loud cracking from the main PSU.
• Raster is blank, video, sound and display are missing and no remote control response. (+ extract of circuit diagram)
• Starts up, then no function from remote or main controls.
• Vertical collapse. (+ extract of circuit diagram)
• No line drive. (with circuit diagram extract) (703243 OTTOVERSAND repair tip)
• Dark picture via S-VHS input.
• Line output stage is defective. Line BU is defective. After replacement the same fault reoccurs. (extract of circuit diagram attached)
• LED briefly lit after switch on, then progr. 1 or 2 starts. No other entries possible. No picture and no sound.
• No Nicam sound, neither Nicam nor mono symbol seen on display. (with circuit diagram extract)
• Line BU fails at irregular intervals.
• Intermittent line output stage operation. (+ extract of circuit diagram)
• No start-up. Squealing from PSU. (with circuit diagram extract)
• Intermittent colour and insufficient colour at max setting of colour control. (picture attached)
• Intermittent loss of tuning memory.
• EHT fails within 2 secs after switch on.
• No sound. No picture. Whistle when pressing mains switch.
• Doesn't switch completely off from standby. Program display disappears. Standby LED lights.
• No TXT. (with circuit diagram extract)
• No sound for the first half an hour. (picture attached)
• 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. (with circuit diagram extract)
• After turning on the set goes to standby but the LED will not light. (picture attached)
• No colour sync.
• Line output transistor fails repeatedly. (with circuit diagram extract)
• Horizontal green and magenta bars running through picture. (extract of circuit diagram attached)
• When appliance is warm tuning problems occur. (part of circuit diagram displayed)
• Pincushion distortion.
• Starts up, line transformer starts up then cuts out. Channel display remains.
• Blue screen only. No sound but channel indicator is working & will change channels when selected.
• Distorted audio from left hand channel.
• One colour high.
• Dead. (extract of circuit diagram attached)
• Smearing in picture.
• Horizontal tearing.
• Cannot be switched properly to standby, sound muted after pressing standby key on RC, programme display disappears and standby LED lit, picture still present.
• Intermittently goes dead with loud whistling. (with circuit diagram extract) (703243 tips)
• Picture turns red after a short while in operation.
• Red picture. Flyback lines. (OTTOVERSAND - 703243 information)
• Switches to standby (after start-up). (with circuit diagram extract)
• Elusive Parts.
• Horizontal lines in top half of picture when cold. Entire picture trembles.
• Distorted audio. on the left. (with circuit diagram extract)
• Squeal from PSU. Channel LED OK.
• Flashover voltage in PSU.
• Loss of text sync/no channel identification lock. (part of circuit diagram displayed)
• Reduced horizontal size. intermittently. (extract of circuit diagram attached) (OTTOVERSAND - 703243 information)
• No picture. Audio OK . (with circuit diagram extract)
• Only program display. No standby display
• No colour (intermittently).
• Intermittently flickers and powers down. (with circuit diagram extract)
• Poor picture and colour halo at sides of screen.
• East to West bowing. (extract of circuit diagram attached)
• PSU whistling. Channel indicator OK.
• 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)
• Picture is shifted inwards at the right side. Fault occurs after approx 15 mins.
• Horizontal dark bars across the picture. (picture attached)
• Excessive horizontal size. E/W fault. (with circuit diagram extract)
• No text, channel flag drifting. (+ extract of circuit diagram)
• 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.
• No picture. No sound. Standby LED lights up. If switched on with the RC, channel display appears and can be switched over.
• No blue. after a while. (with circuit diagram extract)
• 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. (picture attached)
• Lines in picture. at top. (extract of circuit diagram attached)
• Tries to switch on for 1 sec and then stops. LED and channel no. remain lit. (with circuit diagram extract)
• Frame distortion, line doubling. (+ extract of circuit diagram)
• Power supply does not start up. Standby LED does not light up. (703243 tips)
• Controls go faulty after a while. (+ extract of circuit diagram) (703243 OTTOVERSAND repair tip)
• Picture right area is darker (shadowed) than rest of screen.
• Poor colour. intermittently. (+ extract of circuit diagram) (OTTOVERSAND - 703243 information)
• Poor picture. Low contrast. (with circuit diagram extract)
• Picture twists horizontally causing E/W distortion when warm.
• Defective or erratic oscillating colours.
• No display. No functions. No audio, only a dark blank raster. (extract of circuit diagram attached)
• After approx 1 hour the picture becomes approx 3cm too small at the right edge.
• No start-up (intermittently). (part of circuit diagram displayed)
• Horizontal lines at the top part of the picture. OSD insertions slowly run vertically through the picture.
• Stuck in standby. (extract of circuit diagram attached)
• Blank raster. No RC functions. (extract of circuit diagram attached)
• Unstable picture. Hum in audio. Colour flickers.
• Blank raster. OSD OK .
• No convergence.
• Squealing from PSU. (+ extract of circuit diagram)
• Severe noises form PSU for approx. 5 sec, then switches off . Program display remains
• Poor vertical line across right side of picture.
• Black screen. Display OK .
• Set dead apart from a whine from the power supply. (picture attached)
• Unstable OSG.
• No luminance but chrominance in the display.
• Poor frame scan. (picture attached)
• At switch on picture is snowy, flashes, then OK. (part of circuit diagram displayed)
• 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)
• No picture (intermittently). (extract of circuit diagram attached)
• Muted audio. (part of circuit diagram displayed)
• Intermittent colour. (part of circuit diagram displayed)
• Faint line down right hand side of screen. (with circuit diagram extract)
• Sound muting and no function of the controls after an hour approx. (with circuit diagram extract) (703243 OTTOVERSAND repair tip)
• Stations cannot be tuned in properly. (part of circuit diagram displayed)
• No sound for the first half hour after switch on. (extract of circuit diagram attached)
• Intermittently picture impairment with noise.
• Q551 fails again after a short time.
• When warm picture shift to the right then line oscillation is defective.
• Loss of sound.
• No text although the channels flags are normal. (with circuit diagram extract)
• E/W fault (intermittently). (picture attached)
• No functions.
• No raster. (extract of circuit diagram attached)
• No TXT, unstable channel number. (extract of circuit diagram attached)
• Picture folds over at sides. Then a vertical bar remains in the picture.
• Loss of text sync after 1 hour. (extract of circuit diagram attached)
• Intermittently picture disappears leaving dark grey raster. (+ extract of circuit diagram)
• Low audio from right hand side loud speaker. Crackling scart socket.
• No synchronisation. (part of circuit diagram displayed)
• 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.
• Buzzing from PSU.
• Tuning problems, would drift off tune after some time. (+ extract of circuit diagram)
• Poor colour. (with circuit diagram extract)
• Tuning goes off with ticking. (extract of circuit diagram attached)
• Hissing noises after switch on
• Nicam Crackle.
• Picture sync goes then picture disappears. (picture attached)
• Dark picture.
• No E/W correction.
• No HV.
• Lines in picture.
• At switch on the sound mutes. The effect lasts for only about ten minutes and will not return until the next day. (picture attached)
• No picture or sound intermittently. Program display is present. (service info for OTTOVERSAND -703243)
• No audio from right hand side loud speaker. Crackling scart socket.
• Elusive Parts.
• Reduced vertical deflection.
• Line output stage transistor fails after a while.
• Defective or erratically oscilating colours.
• Intermittent colour, sometimes flashes orange, green then blue then disappears altogether. (picture attached)
• TXT flashes on screen after 1 hour. Loss of sync on TXT. (with circuit diagram extract)
• No synchronisation via SCART and TV.
• Whistle from speakers. Changes when adjusting contrast and/or brightness. Also fine horizontal lines in picture. (extract of circuit diagram attached)
• Powers up momentarily. (+ extract of circuit diagram)
• Chirping. Line tearing. after a while. (service info for OTTOVERSAND -703243)
• If left on teletext, white beating bars appear over text.
• Line transistor BU508D fails again straight away immediately after switch on. (with circuit diagram extract)
• No control possible after 10 secs.
• Low colour amplitude. (with circuit diagram extract) (703243 OTTOVERSAND repair tip)
• Poor picture, contrast being very low irrespective of the customer control setting. (picture attached)
• Unlocked colour. (with circuit diagram extract)
• Dent in right side of picture after a prolonged operating time (after 1.5hrs). After cooling down picture OK again. (part of circuit diagram displayed)
• No blue after 30 mins. (picture attached)
• Bright red screen.
• No light (Y signal) in reception via tuner nor via SCART input. TXT and OSD OK.
• Failure of line output transistor Q551 (2SD1441RL). (part of circuit diagram displayed)
• Cuts out when warm. Works well without the cabinet.
• Sound is slightly distorted. (+ extract of circuit diagram)
• Tuning is slightly off. Dark screen with zigzag lines. Intermittent flashes of chroma and sound mutes.