705312 / OTTOVERSAND [TV]

• Sound cracks on start-up.
• Reduced horizontal size. E/W fault.
• No picture. No raster.
• Sound increases to maximum on one single track as well as on the volume display.
• Buzz in sound when switched on for a few mins. Present during channel selection.
• When in NICAM appliance switches to mono intermittently.
• Poor vertical linearity.
• Flickering picture caused by excessive brightness.
• Shuts down. intermittently. (705312 OTTOVERSAND repair tip)
• Intermittent hissing sound.
• No start-up.
• Programs drop out.
• Strong colours.
• Purity fault on left and right sides.
• The white balance varies when changing the colour intensity.
• Picture changes size.
• It takes some minutes for picture to appear. Low sound when picture appears.
• Weak and noisy sound through SCART and aerial. Occasionally sound returns OK.
• E/W raster. (705312 tips)
• Distorted audio. Audio distortion, particularly on line input.
• OSD is not locked onto the line. (705312 tips)
• Channels drift during first 5 mins (not on all channels).
• If dry joint or chopper short circuit.
• Nicam fault.
• Purity error when switching. Purity errors on screen after initial switch on.
• Sync problem. Vertical sync may be disturbed when a bright picture is connected to the front Y/C input.
• When the channel signal disappears, the AFT will search for the next signal. This new frequency will then be stored in memory.
• Black screen. intermittently.
• Tuning drifts (intermittently).
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Intermittent tuning memory problem. Tuning jumps to adjacent channel if the set is turned on when there is no carrier on that channel.
• Low audio. Distorted audio. OK after a while .
• There is a mono/stereo identifiation problem when receiving a stereo transmission (PAL B/G).
• No functions.
• Vertical foldover.
• No signals, no raster and the digital channel display fading or pulsating.
• Black screen (intermittently). Audio OK .
• Intermittent crackle on NICAM plus loss of picture.
• Sound is lost from cold; returning with distortion after ten mins.
• Fuse PS201 O/C.
• RC unit.
• Poor sound. Sound ok after changing amplifier and the two JC501 but occasionally it drifts even in scart.
• Approx. 5cm wide yellow vertical line in picture.
• Picture ok for 5 mins, then in black and white.
• G2 resistor, R807 (1K/1W), is O/C.
• Tuning drifts. Searches for channels continuously.
• Linearity in the lower portion of the picture is incorrect.
• Poor linearity or geometry. Frame linearity fault. Usually only occurs in sets which are more than two years old.
• Smearing in picture. intermittently.
• No vertical synchronisation (intermittently).
• No RC function. No sound. Picture size varies according to brightness but improves as appliance warms up.
• Sound takes more than a minute to arrive.
• Field cramped.
• Picture appears only after 5 mins. No OSD. Sound OK.
• Low width with picture showing third of screen.
• Disturbed reception, intermittent snow.
• Does not turn on. LEDs flash.
• Purity fault on both sides.
• The STEREO indicator intermittently switches on in mono channels. This is accompanied with rattle/noise from one channel.
• Switches off after 15 to 30 mins but after a stop of 5 to 10 mins then restarts.
• Low sound when volume is adjusted to maximum.
• Switches over automatically to program "00".
• When the channel signal is lost, the AFT searches for the next available signal. This new frequency is then stored in the memory.
• Reduced vertical size.
• RC unit.
• Intermittent colour.
• Distorted audio.
• Maybe no on screen display. Picture disappears.
• Incorrect vertical linearity. Top third of picture is compressed and bottom part has foldover.
• Linearity at the top of the picture is poor.
• Switches off by itself.
• Service information. The original tuner (U944PLL) used in the UK models has been replaced by the tuner U944C.
• Sound is poor and nasal. Volume varies. Occasionally no sound.
• Weak audio. when cold.
• Picture runs through by bright picture content.
• Colour impure. PTC OK.
• Picture appears slowly. Volume varies.
• How to program basic values. (service info for OTTOVERSAND -705312)
• Contrast too low in certain modes. A dark picture is displayed in the rgb mode.
• Intermittent crackle on NICAM plus loss of picture.
• RC unit.
• Dead.
• Produces a motorboating when switched to standby.
• When Nicam broadcast received, sometimes returns to mono, analogue sound and no Nicam lights on.
• CTV fails, also no LED's.
• Dead. Standby light flashing. EHT static on screen.
• No power in audio amplification.
• Sound is low by maximum volume via RF and scart.
• No audio.
• Distorted audio. Audio distortion, particularly on line input.
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory.
• Tuning drifts.
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory.
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory.
• Dead power supply, tries to start and makes a tripping noise.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Distorted audio. Audio distortion, particularly on line input.
• Intermittently NICAM sound crackles.
• Very intermittent faults such as nicam sound dropping out or crackling, the set going off tune or the picture going dark or negative.
• Purity error when switching. Purity errors on screen after initial switch on. (705312 tip from OTTOVERSAND)
• Channels change at random.
• Switches to protection mode (intermittently).
• Sound is lost or distorted.
• Low brightness when warm then nothing else. No picture, no sound, only channel display. Appliance comes on then goes off when tapped.
• Incorrect tuning or goes to muting.
• Primary PSU starts up but secondary voltages are slightly low and LEDs flicker.
• Intermittent unstable picture. Picture rolling on peak whites and camera change, also the same via scart input.
• Distorted sound and long lapse of time before the picture appears.
• No vertical synchronisation.
• Intermittent noise in sound.
• Stereo indicator on some mono stations together with rattling. (705312 tips)
• Background noise with signal.
• No picture. Audio OK . (OTTOVERSAND - 705312 information)
• Vertical linearity fault in upper picture third after delay time.
• Power problem intermittently. At switch on the red power supply lamp may light up but the power supply may sometimes trip as in overcurrent detection.
• OSD distorted. Flashing picture and plopping sound.
• Switches in irregular intervals. Ok after switching off the appliance.
• Switches automatically from channel 8 to channel 55 after a few secs.
• Dead. Stereo indication is faintly lit.
• Sound mutes shortly after switching on. (705312 tips)
• Vertical jitter.
• Average values adjustment.
• Frequency drift after operating for 15 mins. Channel memory ok. (705312 tip from OTTOVERSAND)
• Low sound with max. volume adjustment.
• No picture (intermittently).
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Picture noise. A boomerang-shaped noise component is superimposed on the picture.
• Temporarily noisy audio.
• Defective muting. (OTTOVERSAND - 705312 information)
• No colour.
• Vertical sync frequency measures 42Hz with signal available. If aerial signal is removed frequency measures 50Hz.
• FBT starts up for a sec.
• RC unit.
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory.
• Pincushion distortion.
• No sound. No RC function. Picture size varies according to brightness but improves as appliance warms up.
• Black screen. Standby LED flashes .
• Intermittent tuning memory problem. Tuning jumps to adjacent channel if the set is turned on when there is no carrier on that channel.
• The STEREO indicator intermittently switches on in mono channels. This is accompanied with rattle/noise from one channel.
• Vertical collapse. intermittently.
• Intermittent loss of picture with occasional loss of OSG.
• Flashing horizontal black lines. Occasionally appliance may function OK.
• Intermittent tuning memory problem. Tuning jumps to adjacent channel if the set is turned on when there is no carrier on that channel. (OTTOVERSAND - 705312 information)
• The screen is very dark or black.
• Cramped at top, foldover at bottom.
• Picture & sound going off tune, looks like tuner/IF fault.
• No function, only the stereo-indication burns dimly. (service info for OTTOVERSAND -705312)
• Vertical fault. Distorted picture.
• No RC functions.
• No power on AC. The majority of flyback transformers changed are not faulty.
• Dark picture.
• Does not start up. LED flashes at random. (705312 tips)
• No picture. No audio.
• No subtitles with the "Subtitles for the hard of hearing" decoder.
• At start up picture is black and white.
• Dead. Standby LED flashes .
• Approx. 5mm vertical line through the picture.
• 2SD1548 fails repeatedly.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Purity error when switching. Purity errors on screen after initial switch on.