774135 / OTTOVERSAND [TV]

• No vertical deflection.
• No audio.
• Resistor (R567) in the HT feed to the line output stage blows after a few hours.
• Low brightness.
• Failure of line output transistor Q551 (2SD1441RL).
• Stays on briefly, then switches to standby leaving three blobs of colour in the middle of the screen.
• No audio for 10 mins.
• Orange picture.
• No signal. Slow and erratic RC functions.
• Irregular horizontal lines. Vertical outlines tear. (774135 tips)
• Smeary red content of picture, red cut-off and drive controls critical.
• Dead. Channel display on .
• Flyback lines. on upper half screen.
• Squeals when switched on then goes dead. Channel LED lit.
• Creaking or sizzling sound, otherwise no function.
• Comes on for a short time.
• SD1441 (horizontal deflection) is S/C.
• Bowed picture.
• No audio. OSD display unlocked and drifts from bottom right hand side up to top left hand side. No picture.
• No picture. No audio with OSD display unlocked and drifts from bottom right hand side up to top left hand side. (service info for OTTOVERSAND -774135)
• No colour. Picture only black and white in digital mode.
• No start-up. Squealing from PSU.
• Vertical collapse.
• Switches on for a short time and then switches off after approx 0.5 secs. OSD remains.
• Non linear top of frame scan and/or portion of scan missing. Possibly flyback lines.
• Line scanning transistor fails.
• No functions.
• Noise in one channel.
• Black screen. Audio OK .
• 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.
• IC801 defective again after several months.
• Dead. Display OK .
• Dead.
• E/W fault.
• 4 horizontal lines across upper half screen. (774135 tip from OTTOVERSAND)
• Top of picture has stretched but corrects itseft when warmed.
• 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.
• No picture (intermittently). Audio OK .
• After a few hours, right hand side of picture creeps in by couple of inches with slight E/W distortion.
• Switches to standby.
• Sparkles then goes off.
• Nicam Crackle.
• Whistling and horizontal lines on picture.
• Q551 runs hot and R567 blows after 4 hours.
• Orange picture.
• No horizontal deflection. (OTTOVERSAND - 774135 information)
• Stuck in standby. No functions. Display OK .
• No picture. Channel display on .
• Cogging on verticals.
• Intermittent bright blue or green picture.
• No luminance signal. Chroma is present.
• Line switch breaks down without any apparent reason.
• Picture has a faint line of shading down right hand side with low brightness or in the AV mode.
• No sound from cold.
• Line output transistor fails repeatedly.
• Excessive vertical size. Vertical foldover at top.
• No audio. No picture. Display OK .
• Ticking noise.
• No sound in HF. OK in AV.
• Brief current consumption after switch on. Display OK.
• No sync on teletext.
• Intermittent teletext and occasional bar graph on screen.
• Intermittently flickers and powers off.
• Right hand side cramped.
• Dead, channel indicator LED lit and momentary squeak from power supply at switch on.
• PSU whistles for a short time after switch on, program display remains. Previously E/W fault occasionally. (774135 tip from OTTOVERSAND)
• Picture size varies with picture content.
• Leaky line output transistor and fusible feed resistor O/C.
• No picture.
• Shuts down. after start-up. Channel display on .
• Right side of screen is shaded. Low lighting.
• Poor, faded picture.
• Line output transistor S/C. (774135 tip from OTTOVERSAND)
• Blank screen. No OSD. No TXT.
• Line squiggles/osc noise from scan coils.
• Unlocked OSD and bar graphs. Irregular TXT.
• Powers up for one second then shuts down. LED and channel no. are still displayed.
• No E-E just blank raster. Scart input OK.
• No TXT. No bar graphs. TXT OK in mix. (OTTOVERSAND - 774135 information)
• Intermittently no line hold.
• Speckled white bands.
• Shuts down.
• Switches to protection mode. Whistling from PSU.
• No colour.
• PSU chirps.
• Squealing noise.
• Shuts down (after start-up). (service info for OTTOVERSAND -774135)
• Squealing from PSU.
• Unlocked OSG, picture OK.
• Switches off by itself. intermittently.
• No RC functions.
• Faint line on raster.
• Goes bright red then trips off.
• Bright raster. Flyback lines.
• Intermittently bright red.
• No focus.
• device starts up for short while, HSP drops out display ok.
• No picture for 30 minutes.
• No TXT.
• Red picture. Flyback lines. (774135 tips)