703345 / OTTOVERSAND [TV]

• Controls go faulty after a while. (part of circuit diagram displayed)
• Picture pulls to right hand side. (picture attached)
• Fizzle noise after turning on.
• Poor sync and colour. Picture becomes better after a while but with horizontal coloured bars. Hum in audio.
• LED briefly lit after switch on, then progr. 1 or 2 starts. No other entries possible. No picture and no sound.
• Video seems off tune. (extract of circuit diagram attached)
• Severe noises form PSU for approx. 5 sec, then switches off . Program display remains
• Red picture with flyback lines. (703345 tip from OTTOVERSAND)
• No light (Y signal) in reception via tuner nor via SCART input. TXT and OSD OK.
• No audio. No picture. Channel indicator OK.
• Lines in picture.
• White lines on top of screen.
• Memory IC defective.
• Doesn't switch completely off from standby. Program display disappears. Standby LED lights.
• Elusive Parts.
• No control possible after 10 secs.
• Line output transistor fails repeatedly. after start-up.
• Poor vertical line across right side of picture.
• Low colour amplitude. (with circuit diagram extract)
• Faulty TXT. (with circuit diagram extract) (703345 OTTOVERSAND repair tip)
• Squeals at switch on then dies except for channel number indicator. (extract of circuit diagram attached)
• No blue. after a while. (extract of circuit diagram attached)
• Switches to protection mode (after start-up). (extract of circuit diagram attached)
• Picture full with stripes, when adjusting the horizontal size the fault disappears.
• Picture folds over at sides. Then a vertical bar remains in the picture.
• No start-up. LED blinks . (service info for OTTOVERSAND -703345)
• Chirping. Display OK .
• No picture. Flyback lines. No audio. Raster OK .
• Distorted audio. (picture attached)
• Set operated perfectly for an hour, then the sound would mute and controls wouldn't work. (extract of circuit diagram attached)
• Whistling at start-up. Programme number display functions.
• Horizontal tearing.
• Squealing from PSU (intermittently).
• Pincushion distortion.
• White bar (approx. 10cm) on top of the picture. (service info for OTTOVERSAND -703345)
• Sound and picture are missing, channel change ok. (extract of circuit diagram attached) (service info for OTTOVERSAND -703345)
• Blue background on teletext and OSG but picture OK. (with circuit diagram extract)
• Q551 fails again after a short time.
• One colour missing.
• 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)
• Poor colour. (+ extract of circuit diagram)
• No picture, no high voltage, power supply squeaks, sound present. (extract of circuit diagram attached)
• No vertical deflection. (extract of circuit diagram attached)
• Foldover at top and picture vibrates.
• No sync on OSD or text. Usually no text at all, just moving blank screen. (with circuit diagram extract)
• Reduced vertical deflection.
• Intermittently picture disappears leaving dark grey raster. (picture attached)
• 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.
• Ragged raster. Picture lines run through each other.
• No picture. No sound. Squeals. Channel numbers lit. (+ extract of circuit diagram)
• No function. Loud cracking from the main PSU. (703345 tips)
• No functions. Display OK . (+ extract of circuit diagram) (703345 OTTOVERSAND repair tip)
• Horizontal dark bars across the picture. (+ extract of circuit diagram)
• No sound for the first half an hour. (with circuit diagram extract)
• Switches to standby (after start-up). (with circuit diagram extract)
• Dead after a burst of EHT.
• Switches to protection mode (after a few seconds). (+ extract of circuit diagram)
• After working for a couple of minutes, picture sync is lost then the screen goes black. Power supply shuts down and squeals. (extract of circuit diagram attached)
• Loss of text sync/no channel identification lock. (picture attached)
• E/W fault. (+ extract of circuit diagram)
• If left on teletext, white beating bars appear over text.
• Cuts out when warm. Works well without the cabinet.
• No raster. (with circuit diagram extract)
• Unstable picture. Hum in audio. Colour flickers.
• Switches off by itself. after warm-up. (extract of circuit diagram attached)
• No TXT; picture unlocked until TXT button pressed or set to AV position. (with circuit diagram extract)
• No or poor contrast. (extract of circuit diagram attached)
• Comes on then switches to standby leaving three blobs of colour in the centre of screen. (extract of circuit diagram attached)
• Cannot be switched properly to standby, sound muted after pressing standby key on RC, programme display disappears and standby LED lit, picture still present.
• Picture sync goes then picture disappears. (picture attached)
• Distorted audio from left hand channel.
• Switches to standby.
• No bar graphs. No TXT. TXT OK in mix. (+ extract of circuit diagram)
• Faint line down right hand side of screen. (picture attached) (703345 OTTOVERSAND repair tip)
• No picture. No sound. Standby LED lights up. If switched on with the RC, channel display appears and can be switched over. (703345 tip from OTTOVERSAND)
• Lines in picture. at top. (picture attached)
• 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)
• TV starts up, EHT starts up then cuts out. Channel display remains.
• Intermittent audio. (part of circuit diagram displayed)
• Dark picture via S-VHS input.
• Elusive Parts.
• When warm picture shift to the right then line oscillation is defective.
• Poor colour. intermittently. (picture attached)
• Intermittently no line hold. (part of circuit diagram displayed)
• No luminance signal. Chroma is present.
• Comes on for a short time. (with circuit diagram extract)
• Fine lines on top of picture.
• Poor synchronisation. (extract of circuit diagram attached)
• Power supply does not start up. Standby LED does not light up.
• Line transistor BU508D fails again straight away immediately after switch on. (with circuit diagram extract)
• Switches off. No control possible. Program display OK.
• Frame distortion, line doubling. (extract of circuit diagram attached)
• Buzzing from PSU.
• Unstable OSG.
• Exits standby and stops. Channel no. remains lit.
• Black screen. Display OK .
• Erratic colour. (part of circuit diagram displayed) (703345 OTTOVERSAND repair tip)
• No synchronisation. No picture. Shuts down. (with circuit diagram extract)
• Line output stage is defective. Line BU is defective. After replacement the same fault reoccurs. (picture attached)
• Loss of text sync after 1 hour. (with circuit diagram extract)
• Line output transistor fails repeatedly. (extract of circuit diagram attached)
• Intermittently goes dead with loud whistling. (with circuit diagram extract)
• Vertical distortion. Horizontal deflection with vertical stripes and pairing effect. (OTTOVERSAND - 703345 information)
• Nicam Crackle.
• Loss of sound.
• Reduced vertical size.
• Set only works after several attempts to switch on. Switch is ok. (+ extract of circuit diagram) (service info for OTTOVERSAND -703345)
• No voltages from PSU.
• After 3-4 hours a faint line appears at the top of the screen. (picture attached)
• Intermittently whistles. (picture attached)
• 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. (picture attached)
• Colour flickers.
• Distorted speaker on right hand side. (service info for OTTOVERSAND -703345)
• RC problems. (picture attached)
• No synchronisation. (picture attached)
• 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.
• Line BU fails at irregular intervals.
• No sound and picture. Channel switch over OK.
• No picture. Squealing from PSU. Audio OK . (picture attached)
• Excessive horizontal size. E/W fault. (part of circuit diagram displayed) (703345 tips)
• Intermittent loss of tuning memory.
• Picture goes red.
• Power supply hissing for approx 3 secs at start up and goes to safety mode. Programme display visible all the time.
• No E/W correction.
• Power supply overloaded and squealing.
• Intermittent colour and insufficient colour at max setting of colour control. (+ extract of circuit diagram) (703345 tip from OTTOVERSAND)
• Occasionally picture and sound disappear. (with circuit diagram extract)
• Dent in right side of picture after a prolonged operating time (after 1.5hrs). After cooling down picture OK again. (+ extract of circuit diagram) (OTTOVERSAND - 703345 information)
• Bad distortion, line doubling and horizontal striations were all present at once. (+ extract of circuit diagram)
• Set dead apart from a whine from the power supply. (extract of circuit diagram attached)
• No blue after 30 mins. (+ extract of circuit diagram)
• Black screen.
• Power supply squeaks, speaker hums and twitters. (extract of circuit diagram attached)
• Stuck in standby. (part of circuit diagram displayed)
• Resistor R802 always blows. (with circuit diagram extract)
• Colour varies. (with circuit diagram extract)
• Tuning is slightly off. Dark screen with zigzag lines. Intermittent flashes of chroma and sound mutes.
• No picture or sound intermittently. Program display is present. (OTTOVERSAND - 703345 information)
• Blank raster. No RC functions. (+ extract of circuit diagram)
• No channel storing. (+ 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)
• Intermittently flickers and powers down. (extract of circuit diagram attached)
• No horizontal oscillation signal. Whistle from PSU often.
• Line output transistor S/C, R567 O/C and D854 S/C. (extract of circuit diagram attached)
• Defective or erratic oscillating colours.
• Fuzzy picture. (extract of circuit diagram attached)
• No start-up. Squealing from PSU. (picture attached)
• EHT fails within 2 secs after switch on.
• No functions.
• Bright red screen.
• After turning on the set goes to standby but the LED will not light. (with circuit diagram extract)
• Extreme field distortion. (+ extract of circuit diagram)
• No HV.
• Looks like text line at top 3" of picture.
• No vertical synchronisation. (703345 OTTOVERSAND repair tip)
• Blank raster. Audio OK .
• No line drive. (+ extract of circuit diagram) (service info for OTTOVERSAND -703345)
• Q552 (2SD1441) S/C. (part of circuit diagram displayed)
• Starts up, line transformer starts up then cuts out. Channel display remains.
• No colour, or colour flashes on and off. (with circuit diagram extract)
• No channel tuning after channel 36. A horizontal bar runs through on the picture then search continues. Tunes the channels below channel 36.
• No sound for the first half hour after switch on. (+ extract of circuit diagram)
• Intermittently picture impairment with noise.
• Stations cannot be tuned in properly. (part of circuit diagram displayed) (703345 tips)
• Snow on picture and low gain. (part of circuit diagram displayed)
• Smearing in picture.
• At switch on the sound mutes. The effect lasts for only about ten minutes and will not return until the next day. (part of circuit diagram displayed)
• Shuts down (after a few seconds). Squealing from PSU.
• IC801 intermittently blown. (part of circuit diagram displayed) (703345 OTTOVERSAND repair tip)
• Defective or erratically oscilating colours.
• Blue screen only. No sound but channel indicator is working & will change channels when selected.
• Flyback lines. at top (intermittently). (part of circuit diagram displayed)
• Red picture. Flyback lines.
• No colour sync.
• Tuning drifts (intermittently).
• Tuning problems, would drift off tune after some time. (+ extract of circuit diagram)
• No picture. (extract of circuit diagram attached)
• Vibrating picture and horizontal lines. (picture attached)
• Poor picture, contrast being very low irrespective of the customer control setting. (extract of circuit diagram attached)
• Bright lines on screen. (with circuit diagram extract)
• Picture width quivers. Intermittently picture drops out.
• Power supply starts up, pulsates 3-4 times and then goes into standby
• 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. (extract of circuit diagram attached) (OTTOVERSAND - 703345 information)
• Hissing noises after switch on
• No text although the channels flags are normal. (part of circuit diagram displayed)
• Blank raster. OSD OK .
• Distorted audio. on the left. (extract of circuit diagram attached)
• Line doubling/distortion/striations. (+ extract of circuit diagram)
• Line output stage transistor fails after a while.
• No audio. No picture. (extract of circuit diagram attached)
• Intermittently dead. (part of circuit diagram displayed)
• Picture and sound are missing, channel change ok.
• Erratic colours. (with circuit diagram extract)
• No synchronisation. in TXT. (extract of circuit diagram attached)
• Picture twists horizontally causing E/W distortion when warm.
• Mainly dark screen with zigzag lines. Some signs of chroma flash up intermittently and the sound is muted. (picture attached) (703345 OTTOVERSAND repair tip)
• No display. No functions. No audio, only a dark blank raster. (part of circuit diagram displayed)
• Whistling from PSU. intermittently. (part of circuit diagram displayed)
• Dead. Channel display on . (with circuit diagram extract)
• PSU whistles. (service info for OTTOVERSAND -703345)
• No TXT. (picture attached)
• Excessive brightness. No colour. (part of circuit diagram displayed)
• 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.
• Appliance fizzes then width comes in. (extract of circuit diagram attached)
• Channels 1 and 4 intermittently not tuneable - frequency not lockable.
• Lines in picture. at bottom. (extract of circuit diagram attached)
• Starts up, then no function from remote or main controls.
• Picture vibrates. Black lines in picture, especially in top half. (part of circuit diagram displayed) (703345 OTTOVERSAND repair tip)
• From standby will not switch on, LED display comes on. Standby LED stays on. (part of circuit diagram displayed)
• No Nicam sound, neither Nicam nor mono symbol seen on display. (extract of circuit diagram attached)
• After a few hours edges bow. (extract of circuit diagram attached)
• Dark picture with test lines when cold.
• Coloured bars across screen. (part of circuit diagram displayed)
• No text, channel flag drifting. (extract of circuit diagram attached)
• Squealing from PSU. (part of circuit diagram displayed)
• Whistle from speakers. Changes when adjusting contrast and/or brightness. Also fine horizontal lines in picture. (part of circuit diagram displayed)
• Raster is blank, video, sound and display are missing and no remote control response. (part of circuit diagram displayed)
• Shuts down. after a few minutes. (+ extract of circuit diagram)
• East to West bowing. (extract of circuit diagram attached)
• No picture (intermittently). (part of circuit diagram displayed)
• Squeal from PSU. Channel LED OK.
• Poor picture and colour halo at sides of screen.
• Tries to switch on for 1 sec and then stops. LED and channel no. remain lit. (part of circuit diagram displayed) (service info for OTTOVERSAND -703345)
• Red, green or blue picture. (picture attached)
• Sound is slightly distorted. (part of circuit diagram displayed)
• Vertical collapse. (extract of circuit diagram attached)
• No luminance but chrominance in the display.
• One colour high.
• Chirping. Line tearing. after a while.
• No STEREO sound. (703345 OTTOVERSAND repair tip)
• No sound. No picture. Whistle when pressing mains switch.
• Only program display. No standby display
• When appliance is warm tuning problems occur. (extract of circuit diagram attached)
• Line BU is S/C.
• Poor picture. Low contrast. (with circuit diagram extract)
• No start-up (intermittently). (with circuit diagram extract)
• Picture right area is darker (shadowed) than rest of screen. (703345 tip from OTTOVERSAND)
• Dead. (picture attached)
• Picture width quivers.
• Intermittent colour and saturation is low. (part of circuit diagram displayed)
• Intermittent or no colour. (with circuit diagram extract)
• PSU pulsates.
• E/W fault (intermittently). (extract of circuit diagram attached)
• No audio from right hand side loud speaker. Crackling scart socket.
• TXT flashes on screen after 1 hour. Loss of sync on TXT. (extract of circuit diagram attached) (703345 OTTOVERSAND repair tip)
• Colour not right. (extract of circuit diagram attached)
• No or intermittent loss of video signal. (part of circuit diagram displayed)
• Bright red raster.
• Dark screen. (703345 tip from OTTOVERSAND)
• No colour (intermittently).
• Intermittent colour, sometimes flashes orange, green then blue then disappears altogether. (with circuit diagram extract)
• Saturated picture in red, green or blue. (+ extract of circuit diagram)
• Horizontal lines. Unstable picture.
• Poor frame scan. (picture attached)
• Flyback lines. at top.
• Sound muting and no function of the controls after an hour approx. (picture attached)
• Horizontal green and magenta bars running through picture. (picture attached)
• Distorted picture and poor synchronization via SCART. No colour via tuner.
• How to check main PSU.
• At switch on picture is snowy, flashes, then OK. (part of circuit diagram displayed)
• Screen doesn't light up. Sound OK.
• No sound, blank raster and unlocked channel numbers.
• No picture (intermittently). Audio OK . (with circuit diagram extract)
• No NICAM sound.
• Picture turns red after a short while in operation.
• Intermittent whistling noise when set first switched on. (703345 OTTOVERSAND repair tip)
• Intermittently no or low audio and crackling from right speaker. Sound OK on SCART socket.
• No brightness. Audio OK . (service info for OTTOVERSAND -703345)
• Low audio from right hand side loud speaker. Crackling scart socket.
• Dark picture.
• Intermittent colour. (+ extract of circuit diagram)
• Appliance squeaks very loud. No picture. No sound.
• Hum, crackling, and other secondary noises via headphones and loudspeaker with high volume and volume "0".
• Appliance hisses. No high voltage. Standby voltage is present. (with circuit diagram extract)
• No picture. Audio OK . (part of circuit diagram displayed)
• 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. (picture attached) (OTTOVERSAND - 703345 information)
• Noisy NICAM.
• Horizontal lines at the top part of the picture. OSD insertions slowly run vertically through the picture.
• Line tearing. Pincushion distortion. on the right. (part of circuit diagram displayed)
• Sound is distorted from either left or right hand channel. (picture attached)
• Extremely weak contrast, controls have no effect. (extract of circuit diagram attached)
• No TXT, unstable channel number. (+ extract of circuit diagram)
• Failure of line output transistor Q551 (2SD1441RL). (+ extract of circuit diagram)
• Power supply running, but no HT on line output transistor.
• Shuts down (intermittently). (picture attached)
• No blue.
• 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. (extract of circuit diagram attached) (703345 tips)
• PSU whistling. Channel indicator OK.
• Vertical stripes like strings of pearls in picture. (703345 tips)
• No audio for 10 mins. (part of circuit diagram displayed)
• Strong chirping after switch on. No channel appears.
• Repeated failure of field output chip IC451 (AN5521).
• Intermittent whistle. (+ extract of circuit diagram)
• Intermittent line output stage operation. (picture attached)
• Tuning goes off with ticking. (part of circuit diagram displayed)
• Muted audio. (part of circuit diagram displayed)
• Picture is shifted inwards at the right side. Fault occurs after approx 15 mins.
• After approx 1 hour the picture becomes approx 3cm too small at the right edge. (703345 tips)
• No audio.
• TV goes into safety mode at switch-on.
• No convergence.
• Intermittent audio. (part of circuit diagram displayed)
• Reduced horizontal size. intermittently. (with circuit diagram extract)
• Picture bows in from the sides intermittently or permanent. (part of circuit diagram displayed)
• Noisy NICAM. (703345 tips)
• Horizontal lines in top half of picture when cold. Entire picture trembles.
• White flashes in picture and/or intermittent operation and/or horizontal sync dropout intermittently. (OTTOVERSAND - 703345 information)
• No synchronisation via SCART and TV.
• Q551 running very hot and blowing R567 after approx. 4hrs. (part of circuit diagram displayed)
• Stripes, double lines and distorted picture. (picture attached)
• Switches off by itself. after a few minutes.
• Unlocked colour. (+ extract of circuit diagram)
• Intermittent black lines on right hand side of picture. (extract of circuit diagram attached)
• No tuning.
• No picture. No sound. Raster OK. CRT-filament lights, blocked on channel 0.
• Whistling in the power supply, depending on the load. (703345 tips)
• Powers up momentarily. (part of circuit diagram displayed)
• Reduced horizontal size. (picture attached)
• Flashover voltage in PSU.
• Dead. Whining. Channel numbers OK. (with circuit diagram extract)
• Faulty teletext. Channel flag and bar graphics drift aimlessly across the screen while the text is erratic with flashing white lines on the background. (part of circuit diagram displayed)
• Chirping. (with circuit diagram extract)