774155 / OTTOVERSAND [TV]

• Picture has a faint line of shading down right hand side with low brightness or in the AV mode.
• Line output transistor fails repeatedly.
• Resistor (R567) in the HT feed to the line output stage blows after a few hours.
• Intermittently flickers and powers off.
• Shuts down (after start-up).
• No audio.
• Intermittently no line hold.
• No audio. No picture. Display OK .
• Shuts down.
• Squealing from PSU.
• Unlocked OSG, picture OK.
• No TXT. No bar graphs. TXT OK in mix.
• Leaky line output transistor and fusible feed resistor O/C.
• Nicam Crackle.
• Dead.
• Line switch breaks down without any apparent reason. (OTTOVERSAND - 774155 information)
• No focus.
• Comes on for a short time.
• No functions.
• Right side of screen is shaded. Low lighting.
• Orange picture.
• No colour. Picture only black and white in digital mode.
• 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. (774155 tips)
• After a few hours, right hand side of picture creeps in by couple of inches with slight E/W distortion. (774155 tip from OTTOVERSAND)
• Blank screen. No OSD. No TXT.
• SD1441 (horizontal deflection) is S/C.
• No luminance signal. Chroma is present.
• No vertical deflection.
• 4 horizontal lines across upper half screen.
• E/W fault.
• No picture. Channel display on .
• Unlocked OSD and bar graphs. Irregular TXT.
• 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.
• Flyback lines. on upper half screen.
• Dead, channel indicator LED lit and momentary squeak from power supply at switch on.
• No TXT.
• Bright raster. Flyback lines.
• No RC functions.
• Whistling and horizontal lines on picture.
• Picture size varies with picture content.
• Smeary red content of picture, red cut-off and drive controls critical.
• No picture. No audio with OSD display unlocked and drifts from bottom right hand side up to top left hand side. (774155 tip from OTTOVERSAND)
• No sound from cold.
• PSU chirps.
• Noise in one channel.
• Non linear top of frame scan and/or portion of scan missing. Possibly flyback lines.
• Dead. Channel display on .
• Excessive vertical size. Vertical foldover at top.
• Top of picture has stretched but corrects itseft when warmed.
• Goes bright red then trips off.
• No E-E just blank raster. Scart input OK.
• Ticking noise.
• Dead. Display OK .
• Failure of line output transistor Q551 (2SD1441RL).
• Irregular horizontal lines. Vertical outlines tear.
• PSU whistles for a short time after switch on, program display remains. Previously E/W fault occasionally.
• Squeals when switched on then goes dead. Channel LED lit.
• Line output transistor S/C. (774155 OTTOVERSAND repair tip)
• Cogging on verticals.
• Orange picture.
• Switches off by itself. intermittently.
• No picture. (OTTOVERSAND - 774155 information)
• No colour.
• No sound in HF. OK in AV.
• Vertical collapse.
• Intermittent teletext and occasional bar graph on screen.
• Stuck in standby. No functions. Display OK .
• Switches to standby.
• Poor, faded picture.
• Low brightness.
• Red picture. Flyback lines.
• Powers up for one second then shuts down. LED and channel no. are still displayed.
• device starts up for short while, HSP drops out display ok.
• Line scanning transistor fails.
• No picture for 30 minutes.
• No audio. OSD display unlocked and drifts from bottom right hand side up to top left hand side. No picture.
• No audio for 10 mins.
• Intermittent bright blue or green picture.
• Speckled white bands.
• Stays on briefly, then switches to standby leaving three blobs of colour in the middle of the screen.
• Bowed picture.
• Brief current consumption after switch on. Display OK. (774155 tips)
• Q551 runs hot and R567 blows after 4 hours.
• Line squiggles/osc noise from scan coils. (service info for OTTOVERSAND -774155)
• Switches to protection mode. Whistling from PSU.
• Right hand side cramped.
• Intermittently bright red.
• Switches on for a short time and then switches off after approx 0.5 secs. OSD remains.
• No start-up. Squealing from PSU.
• Squealing noise.
• Shuts down. after start-up. Channel display on .
• Black screen. Audio OK .
• Creaking or sizzling sound, otherwise no function.
• No sync on teletext.
• Faint line on raster.
• No signal. Slow and erratic RC functions.
• No picture (intermittently). Audio OK .
• Sparkles then goes off.
• IC801 defective again after several months.
• No horizontal deflection.