774138 / OTTOVERSAND [TV]

• Noise in one channel.
• Sparkles then goes off.
• Squealing noise.
• No vertical deflection.
• Switches to standby.
• Squeals when switched on then goes dead. Channel LED lit.
• Vertical bars run down the left side of the screen in one third of the picture. This is clearest on AV. We have already tried to level off 12V and 205V slightly.
• No audio.
• Line switch breaks down without any apparent reason.
• Switches on for a short time and then switches off after approx 0.5 secs. OSD remains.
• Cogging on verticals.
• Picture size varies with picture content.
• Leaky line output transistor and fusible feed resistor O/C.
• No picture. No audio with OSD display unlocked and drifts from bottom right hand side up to top left hand side. (774138 tip from OTTOVERSAND)
• Vertical collapse.
• Whistling and horizontal lines on picture.
• No colour. Picture only black and white in digital mode.
• Right hand side cramped.
• Line output transistor fails repeatedly.
• Nicam Crackle. (service info for OTTOVERSAND -774138)
• Faint line on raster.
• Stays on briefly, then switches to standby leaving three blobs of colour in the middle of the screen.
• No sound in HF. OK in AV.
• Orange picture.
• No picture. Channel display on .
• Excessive vertical size. Vertical foldover at top.
• Intermittent teletext and occasional bar graph on screen.
• Irregular horizontal lines. Vertical outlines tear.
• Creaking or sizzling sound, otherwise no function.
• E/W fault.
• No audio for 10 mins.
• Goes bright red then trips off.
• No picture.
• Flyback lines. on upper half screen.
• Intermittently bright red.
• After switching on with the remote control or mains switch short chirping noise in the PSU. PSU then switches off, only the program display still functions. (OTTOVERSAND - 774138 information)
• device starts up for short while, HSP drops out display ok.
• After a few hours, right hand side of picture creeps in by couple of inches with slight E/W distortion.
• Bright raster. Flyback lines.
• Squealing from PSU. (774138 tips)
• No start-up. Squealing from PSU. (774138 OTTOVERSAND repair tip)
• Q551 runs hot and R567 blows after 4 hours.
• No sync on teletext.
• Dead.
• Dead, channel indicator LED lit and momentary squeak from power supply at switch on.
• No E-E just blank raster. Scart input OK.
• No TXT.
• No TXT. No bar graphs. TXT OK in mix.
• Poor, faded picture.
• Dead. Channel display on .
• Low brightness.
• Failure of line output transistor Q551 (2SD1441RL).
• Comes on for a short time.
• Brief current consumption after switch on. Display OK.
• Switches off by itself. intermittently.
• Switches to protection mode. Whistling from PSU.
• No horizontal deflection.
• Intermittently no line hold.
• Dead. Display OK .
• Line squiggles/osc noise from scan coils.
• Blank screen. No OSD. No TXT.
• Orange picture.
• No audio. OSD display unlocked and drifts from bottom right hand side up to top left hand side. No picture.
• Shuts down (after start-up). (774138 OTTOVERSAND repair tip)
• Stuck in standby. No functions. Display OK .
• Red picture. Flyback lines.
• No sound from cold.
• No functions.
• No picture (intermittently). Audio OK .
• Resistor (R567) in the HT feed to the line output stage blows after a few hours.
• No colour.
• No audio. No picture. Display OK .
• Line output transistor S/C.
• 4 horizontal lines across upper half screen.
• No signal. Slow and erratic RC functions.
• Powers up for one second then shuts down. LED and channel no. are still displayed.
• SD1441 (horizontal deflection) is S/C.
• Non linear top of frame scan and/or portion of scan missing. Possibly flyback lines.
• Intermittent bright blue or green picture.
• Ticking noise.
• Top of picture has stretched but corrects itseft when warmed.
• Right side of screen is shaded. Low lighting. (OTTOVERSAND - 774138 information)
• No picture for 30 minutes.
• No luminance signal. Chroma is present.
• No focus. (OTTOVERSAND - 774138 information)
• Black screen. Audio OK .
• Unlocked OSD and bar graphs. Irregular TXT.
• Unlocked OSG, picture OK.
• IC801 defective again after several months.
• Bowed picture. (774138 OTTOVERSAND repair tip)
• No RC functions.
• Speckled white bands.
• Line scanning transistor fails.
• Shuts down. after start-up. Channel display on .
• PSU chirps. (service info for OTTOVERSAND -774138)
• Intermittently flickers and powers off.
• PSU whistles for a short time after switch on, program display remains. Previously E/W fault occasionally.
• Picture has a faint line of shading down right hand side with low brightness or in the AV mode.
• Shuts down.
• Smeary red content of picture, red cut-off and drive controls critical.