KVC2921D / OTTOVERSAND [TV]

• Switching transistor and mains fuse fail repeatedly. (picture attached)
• Cycles on/off. (with circuit diagram extract)
• Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
• Only channels 59 and AV present; audio is set to maximum. (extract of circuit diagram attached)
• Audio cannot be adjusted.
• Intermittently PSU does not start up. (extract of circuit diagram attached)
• Intermittent colour. (picture attached)
• When volume level is changed it goes to maximum level only. (picture attached)
• No audio. intermittently. OK after a while .
• Poor colour. One colour missing. Low brightness. (part of circuit diagram displayed)
• Channel number flickers between two numbers. (part of circuit diagram displayed)
• Collapsed verticals.
• No sound in aerial mode. Functions via the scart sockets. (+ extract of circuit diagram)
• Audio fault in tuner mode but OK via both scarts. It begins on Canal Plus, satellite decoder or VCR: sound takes 20 mins to appear when reentering channel mode. Then, no sound in HF mode.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (+ extract of circuit diagram)
• Bright bar at top of screen. (part of circuit diagram displayed)
• Black hum bar type effect for first few secs after channel change. (+ extract of circuit diagram)
• PSU transistor fails again after approx 3 mins. (with circuit diagram extract)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
• Picture is too wide, distorted, goes into safety mode if not adjusted. (+ extract of circuit diagram)
• Horizontal lines from top to bottom on screen. (+ extract of circuit diagram)
• Appliance jumps from stereo to mono and vice versa when using a mono VCR or satellite receiver or an aerial plug (not via scart). Normal TV channels ok.
• Switches after switch on immediately to channel site 33. If set is switched on with button 1 on RC, it switches to channel 33.
• Starts up 4 times, then no function. (picture attached)
• No sound in SECAM or intermittent sound.
• Mechanical screeching, whistling, chirping from HV unit. (with circuit diagram extract) (OTTOVERSAND - KVC2921D information)
• Vertical line. (extract of circuit diagram attached)
• Sporadic interference from loudspeaker.
• No subtitles with the "Subtitles for the hard of hearing" decoder. (with circuit diagram extract)
• Interference in audio.
• No vertical deflection. (picture attached)
• Only starts up after several attempts or PSU switches off again. (KVC2921D tips)
• Intermittently strong hissing in sound.
• Intermittently stops. (extract of circuit diagram attached) (service info for OTTOVERSAND -KVC2921D)
• Black screen. Audio OK . (+ extract of circuit diagram)
• Part number information. Some versions of the service manual contain a wrong part number for the rear cover.
• Intermittent colour.
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Dynamic convergence is out of adjustment.
• Occasionally shift in reception.
• Red picture. Flyback lines. Trips.
• Starts up, red LED flashes twice then goes dead. (picture attached)
• Vertical foldover at top. (part of circuit diagram displayed)
• Pulsates 4 times, then no function.
• Occasionally sound dropout on tuner/IF board: breaks are very rare (only once in the workshop) and impossible to localise component at fault.
• No functions. Starts up, then beeps 3 times and shutsdown. (+ extract of circuit diagram)
• Picture wobbles after switch-on and when OSD is on.
• No colour. via SCART. (+ extract of circuit diagram)
• No start-up. when cold. LED blinks . (picture attached)
• No picture.
• Picture appears slowly. (picture attached)
• Intermittent colour.
• Retrace lines. (part of circuit diagram displayed)
• Ticks 3 times, then no function. (picture attached)
• Loudspeaker crackle at switch on, no picture content.
• Flashing horizontal black lines. Occasionally appliance may function OK. (part of circuit diagram displayed)
• RC units.
• Crackling noise. Flash-over at switch on.
• No colour (intermittently). (with circuit diagram extract)
• No vertical synchronisation on bright picture content via scart.
• Lines in picture. (extract of circuit diagram attached)
• There are 2 chassis for this model: AE1-B and AE1-C.
• No start-up. LED blinks . (+ extract of circuit diagram) (KVC2921D tip from OTTOVERSAND)
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (picture attached)
• No colour via aerial or scart.
• After longer operation colours disappear.
• Sound is missing from right hand channel. (+ extract of circuit diagram) (OTTOVERSAND - KVC2921D information)
• No colour.
• No picture (intermittently). (KVC2921D tip from OTTOVERSAND)
• No picture. (picture attached)
• Fine stripes in upper quarter of picture. (+ extract of circuit diagram)
• No picture. No sound. No keyboard and RC functions. LED blinks every 5 seconds.
• Cramped at centre, stretched at top and fold over at bottom. (part of circuit diagram displayed)
• Volume skips to high, can be decreased by RC.
• No or intermittent start-up. (extract of circuit diagram attached) (KVC2921D OTTOVERSAND repair tip)
• Switches automatically to another channel after approx. 5 min. Preferentially to channel-S2 (112.25 MHz). Intermittently tuner switches to another frequency also. (extract of circuit diagram attached)
• OSD shifts after approx 10 mins then no picture and no sound. (part of circuit diagram displayed)
• Flickering picture. (with circuit diagram extract)
• Strong noises from demagnetizing coil after plug has been pulled out. (picture attached)
• Intermittently picture collapses and blanks out.
• Service information. New B1 board with a new IC310. (KVC2921D OTTOVERSAND repair tip)
• Loss of picture. Picture shows flashes.
• Intermittent colour.
• Excessive horizontal size. E/W fault. (+ extract of circuit diagram)
• Sound cuts out for long moments after operating for approx. 30 mins.
• Sometimes colour disappears. B/W picture.
• Diminishing power supply. (extract of circuit diagram attached)
• No synchronisation. (extract of circuit diagram attached)
• Bright picture with low contrast and flyback lines, after about 10-15 mins.
• Poor colour. TXT is OK. (+ extract of circuit diagram) (KVC2921D tips)
• No colour. (with circuit diagram extract) (KVC2921D tips)
• Colour disappears after switching to a different channel. (+ extract of circuit diagram)
• How to adjust chroma oscillator frequency.
• Horizontal, black lines in picture depending on for how long the appliance is ON. Usually after a while RC will also no longer function. Sometimes the opposite effect, RC does not work then after a period of time black lines appear. (picture attached)
• No degaussing.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (extract of circuit diagram attached)
• OSD constantly visible.
• Text picture geometry distorted. (service info for OTTOVERSAND -KVC2921D)
• Flyback lines. at top. (with circuit diagram extract)
• Picture collapses. Sound is cracking. LEDs light up and go out. OSD flickers. (+ extract of circuit diagram)
• No colour. after a while. Interference in picture.
• Picture flickers and breaks down (wobbles).
• AFC does not function.
• Appliance must be switched on for 10 minutes before picture appears. (extract of circuit diagram attached)
• Crackling audio.
• Picture appears slowly. when cold. No audio. intermittently. (picture attached)
• Screen remains black or picture is poor. (OTTOVERSAND - KVC2921D information)
• No colour (after a few minutes). (part of circuit diagram displayed)
• Intermittent loss of colour or colours getting brighter and more saturated as set warms up. (picture attached) (OTTOVERSAND - KVC2921D information)
• Poor distorted sound. (+ extract of circuit diagram)
• Loss of colour when switching channels when warm. (extract of circuit diagram attached)
• Stuck in standby. (with circuit diagram extract)
• Picture and sound disappear intermittently. On-screen display is disturbed. (part of circuit diagram displayed)
• Contrast too low in certain mode. A dark picture is displayed in the rgb mode. (+ extract of circuit diagram)
• TV unit cannot be tuned to any station anymore.
• Shuts down (intermittently). (with circuit diagram extract)
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (with circuit diagram extract)
• Dead. No standby. Switches 3x quietly. (part of circuit diagram displayed)
• Stuck in Canal Plus. (with circuit diagram extract)
• Pincushion distortion. at bottom.
• After start-up protective circuit switches on, after several start ups appliance functions. (picture attached)
• No picture. Sound only via AV. Brightness, colour, control OK. (part of circuit diagram displayed)
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (extract of circuit diagram attached)
• Power supply hiccups. (+ extract of circuit diagram)
• Dead. Standby LED lights, protective circuit starts up.
• 12V missing on IC608. (part of circuit diagram displayed) (KVC2921D OTTOVERSAND repair tip)
• Service information. B1 board with a new IC310.
• Distorted picture. Interference in picture. (extract of circuit diagram attached)
• Volume cannot be turned down, jumps back to approx 70 %.
• PSU switches 4 times, then no function.
• The white balance varies when changing the colour intensity. (part of circuit diagram displayed)
• Service information. New B1 board with a new IC310.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Spare part information - Value for R822.
• Power supply chopper transistor 2SD1548 S/C. (picture attached)
• Picture disappears after short operation. OSD oscillates. (+ extract of circuit diagram)
• Sound functions only on one side but is distorted. Comes back on both channels but is distorted.
• No RC functions or OSD. Intermittent colour, then intermittent video. (extract of circuit diagram attached)
• Power supply voltage is too high. Cannot be adjusted with pot. (with circuit diagram extract)
• Signal loss on all channels with red or blue lines. Bright dots on screen. Occasionally picture is OK but with no colours at all.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• After a flash goes back to channel 0. OSD displays VIDEO 00. (with circuit diagram extract)
• Crackling audio. when cold. Knock sensitive. (picture attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (part of circuit diagram displayed)
• A space between the tube and the cabinet may be visible.
• Drops out intermittently and switches to another channel and sound crackles. (picture attached)
• Volume cannot be adjusted, stuck near maximum. (+ extract of circuit diagram)
• OK at switch on, then after few secs, sound becomes loud, picture flickers, field cramping, picture loss then reappears expanding away with loss of field scanning, then goes dead. (+ extract of circuit diagram)
• Intermittently programmes change.
• Tuning drifts. intermittently.
• Erratic start-up. Standby LED flashes . (part of circuit diagram displayed)
• No colour. TXT OK .
• Black screen. No RC functions. (extract of circuit diagram attached)
• No operation (intermittently). (+ extract of circuit diagram)
• Vertical output stage bcomes defective after few weeks. (+ extract of circuit diagram)
• No function with the RCU. IR receiver functions. IR data reach the microprocessor. RCU functions with another CTV. (part of circuit diagram displayed)
• Intermittent or no colour.
• Switches to program site 00 after operating for a while.
• Poor picture. Flyback lines. (with circuit diagram extract)
• How to adjust beat zero.
• Wrong colours at sides.
• Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached) (KVC2921D tip from OTTOVERSAND)
• After start-up audio is quiet but gradualy gets louder and gets normal after a short time.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (extract of circuit diagram attached)
• Sound occasionally increases to maximum without the sound scale being displayed. (extract of circuit diagram attached)
• Tuner adjustment is off tune. Fine tuning does not store information.
• Crackling audio. intermittently.
• Vertical lines are bent inwards in the corners of the picture. (part of circuit diagram displayed)
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• Channels drift and go back to 00. (with circuit diagram extract) (KVC2921D OTTOVERSAND repair tip)
• Stored stations shift in fine tuning. At direct channel input station is stable.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (with circuit diagram extract)
• Picture is too wide and fails when warm. (+ extract of circuit diagram)
• On screen display is constantly mixed up. Flickering picture and plopping sounds. (extract of circuit diagram attached)
• After a few seconds the sound becomes distorted. (part of circuit diagram displayed)
• Picture and sound disappear. (picture attached)
• White or RGB stripes on the upper part of picture. (extract of circuit diagram attached)
• No tuning.
• No HV. (picture attached)
• Power supply starts up and goes then to PROTECT mode. Standby light on. (extract of circuit diagram attached)
• Unstable volume. (part of circuit diagram displayed)
• Rhythmical ticking after start-up. (extract of circuit diagram attached)
• Noise from loud-speaker.
• No picture. Audio OK . (part of circuit diagram displayed)
• Dark picture is lower third, upper third folded down. (picture attached)
• OSD bounces intermittently from left to right. If it bounces too intense, brief loud sound interference appears and program switches over or switch on problems occur. (extract of circuit diagram attached)
• Intermittent colour.
• No RC functions. Hum in audio. (+ extract of circuit diagram)
• No tuning.
• No audio. (extract of circuit diagram attached)
• Noise in picture. at high volume.
• Switches to video input if a VCR is connected via scart and VCR is switched to standby. (with circuit diagram extract)
• Picture disappears intermittently with strong noise from FBT. Screen remains black and impossible to switch over channels. OSD remains stuck.
• OSD flickers. Speakers whistle. (picture attached)
• Bright screen and retrace lines about 2 inches from top. (picture attached)
• Tuner IF fails. Picture is red then black. (picture attached)
• Sound crackles with OSD flashing. (picture attached)
• Picture on left side is concaved. (+ extract of circuit diagram)
• Blocked on one programme place and when switching it always goes back. (picture attached)
• Pulsates four times then switches off.
• Pincushion distortion. (+ extract of circuit diagram)
• Q602 (2SD1548) blown at start up. (with circuit diagram extract)
• Intermittently no sound during RF reception. Sound OK via scart.
• 137V voltage collapses at switch on. (picture attached)
• Q602 defective. (part of circuit diagram displayed)
• Red flyback lines. (+ extract of circuit diagram)
• Incorrect colours.
• Intermittent colour.
• Excessive brightness with retrace lines even when brightness is on minimum. (with circuit diagram extract)
• PSU fails. (with circuit diagram extract)
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (picture attached)
• Resembles incorrect tuning, or the appliance goes to mute. (picture attached)
• Very intermittently volume level changes/blank raster/high pitched noise from speakers/shimmering OSG. (part of circuit diagram displayed)
• Display OSD wobbles. Stripes in picture.
• Horizontal bars when switching channels. Switches off intermittently. Fault may not appear for a long time. (extract of circuit diagram attached) (service info for OTTOVERSAND -KVC2921D)
• Horizontal lines. (with circuit diagram extract)
• No reception when cold.
• Service information. New B1 board with a new IC310. (service info for OTTOVERSAND -KVC2921D)
• Picture is poor with flyback lines and pulsing brightness. (picture attached)
• Intermittent colour.
• Green picture. Black screen. intermittently. Audio and OSD OK .
• Pincushion distortion. on sides. Excessive horizontal size. (+ extract of circuit diagram)
• Sound increases suddenly up to max. Power supply problem in reception, even without touching the RC. PB is normal.
• Tuning drifts. intermittently.
• Deflection fault, distortion and picture oscillation at bottom of screen. (+ extract of circuit diagram)
• Dead (intermittently). (part of circuit diagram displayed)
• Program display appears suddenly. Then RC doesn't function any more. (+ extract of circuit diagram)
• No audio. Picture OK .
• White horizontal lines across top of picture.
• Picture height too low and rolled-up from the top.
• No colour (intermittently). (picture attached)
• Dark picture with on-screen display, no sound. Videotext is OK. (with circuit diagram extract)
• No colour.
• Sound level decreases. OSD shows decrease.
• Switches back to "00" from every programme.
• Intermittent colour. (with circuit diagram extract)
• Picture and sound drop intermittently out. Only green programme display in picture. (with circuit diagram extract) (KVC2921D tips)
• VOL goes to full blast when when VOL +/- selected, then works OK. (with circuit diagram extract) (KVC2921D tips)
• Tuning drifts or unstable.
• Starts up three times then switches off. (part of circuit diagram displayed)
• OSD flickers, picture disappears after a while. (+ extract of circuit diagram)
• Only a green streak in the middle of screen. OSD appears on this streak.
• Occasionally no sound in SECAM mode, no problem in PAL.
• Horizontal white line. (part of circuit diagram displayed) (service info for OTTOVERSAND -KVC2921D)
• Starts up on channel 59. It is possible to set standard and channels but appliance switches back to channel 59 as soon as memory key is pressed. LEDs A and STEREO are lit. (KVC2921D tips)
• Service information. B1 board with a new IC310.
• No sound in SECAM L. (service info for OTTOVERSAND -KVC2921D)
• Strong colours. (part of circuit diagram displayed)
• Colour lost intermittently, excessive flickering and pulls sideways at top.
• No start-up. after lightning strike. (picture attached)
• Stations drift off tune. Programs block.
• Colour sometimes normal after start-up, sometimes white, sometimes black and white, sometimes wrong colours.
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Channels change at random.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (with circuit diagram extract)
• Poor picture with red line.
• First full volume on operating volume - or + keys. Then volume can be adjusted to normal.
• Black/white picture at times or stripes in picture.
• Interference on low channels. (with circuit diagram extract)
• Screen doesn't light up. HF noise from loudspeakers. (picture attached)
• Vague horizontal bars and picture takes a long time to appear. Noise in the start up speaker. (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached) (KVC2921D tips)
• Service information. B1 board with a new IC310.
• CATV interference. (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract) (service info for OTTOVERSAND -KVC2921D)
• Colour disappears occasionally. Picture is then black and white and curdled.
• Purity errors and E/W distortion.
• Tuning drifts.
• Service information. New B1 board with a new IC310.
• Starts 4 times and then turns OFF. (part of circuit diagram displayed)
• Squealing noise at switch on with mains switch. Appliance goes in standby. Power LED flashes. (part of circuit diagram displayed)
• Intermittent loss of colour in PAL, SECAM OK. (picture attached)
• Switches immediately to program 0 at switch on. Impossible to change. (extract of circuit diagram attached)
• Pumps, starts after several attempts. Picture and sound OK.
• Left speaker buzzes after approx 30 mins. (part of circuit diagram displayed)
• No sound at switch on. Sound returns by itself sometimes after 15 mins or sometimes longer after 30 mins.
• After about ten minutes, the sound and picture would disappear, leaving a raster with an unlocked display and no colour.
• No power supply. Rattle for a few seconds. (+ extract of circuit diagram)
• OSD fades away. (+ extract of circuit diagram)
• Signal loss on all channels with red or blue characters. Bright points on screen as if aerial disconnected. Picture is OK sometimes but with no colour.
• Service information. New B1 board with a new IC310.
• Attempts to start up but remains unstable. Clicking noise from chopper. LED switches on at the same rythm.
• RC units.
• Low audio. Picture OK .
• Dark screen. Audio OK . (part of circuit diagram displayed)
• Faulty OSD. (with circuit diagram extract)
• Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
• Set up nominal values for the picture setting.
• Incorrect colour and spots on white background.
• Sound goes to maximum when adjusted. (extract of circuit diagram attached) (KVC2921D tips)
• Service information. See the bulletin for the circuit of a new B1 board with a new IC310. See also bulletins TV00692 and TV00593.
• Picture is vertically too small and has rounded corners. (part of circuit diagram displayed) (KVC2921D tip from OTTOVERSAND)
• Poor linearity. at top. (+ extract of circuit diagram)
• Poor linearity or geometry. Frame linearity fault. Usually only occurs in sets which are more than two years old. (+ extract of circuit diagram)
• When the Volume+ bargraph display is adjusted, it jumps up and down. (with circuit diagram extract)
• No sound. Video ok. Sound functions well via scart.
• Colour bleeding. Weak colours.
• Reduced vertical and horizontal size. Low audio. (+ extract of circuit diagram)
• No switch on from standby. The TV will not come on from standby but the standby LED is lit. 21" and 25" sets only. (part of circuit diagram displayed)
• Teletext ok. Otherwise only a dark picture with digit OSD without sound. (+ extract of circuit diagram)
• Does not store stations. (OTTOVERSAND - KVC2921D information)
• OSD channel insertion remains permanently in the picture. Can be switched off with the RC. (part of circuit diagram displayed)
• Distorted or no audio. via tuner. OK via SCART . (picture attached) (OTTOVERSAND - KVC2921D information)
• Flashing picture intermittently. May also have colour dropout. See also bulletin TV00593.
• Tries to start up. Standby LED flashes three or four times then goes out. After insisting a few times, it eventually starts up. (picture attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (picture attached)
• OSD and picture noisy. (with circuit diagram extract)
• No start-up. after warm-up. (KVC2921D tips)
• No sound. Picture OK.
• Flyback lines. Dark picture. after a while. (extract of circuit diagram attached)
• RC units.
• RC units.
• No audio. (with circuit diagram extract)
• Switches off by itself. at start-up.
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached) (service info for OTTOVERSAND -KVC2921D)
• Picture and sound is intermittent or negative picture.
• No colour. 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.
• Pulsating picture. Distorted picture.
• 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 too big. Switches off by itself. (part of circuit diagram displayed) (KVC2921D tips)
• B1 board change. (KVC2921D tips)
• Tripping. (picture attached)
• Picture compressed in the centre. Black band at the bottom of the screen. (picture attached)
• Pulsates four times at switch on and then switches to standby.
• Picture jitters from top to bottom, intermittently at the sides. Jitter decreases after a while but does not stop completely. Sometimes 5cm black bars at the top and bottom after start up, then picture jitters even more.
• OSD flickers constantly. Intermittently goes into standby. (with circuit diagram extract)
• Trips 3 times then enters safety mode. (+ extract of circuit diagram)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Switches to standby (intermittently). (extract of circuit diagram attached)
• Adjustment after replacement of trimmer or crystal.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
• The STEREO indicator intermittently switches on in mono channels. This is accompanied with rattle/noise from one channel.
• Volume goes automatically to max. after short run length. Volume can be turned down. But after a short while it is on max. again.
• RC units.
• No RC functions. intermittently.
• E/W fault.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (extract of circuit diagram attached)
• The picture flickers from colour to black-and -white very frequently.
• Channel drift.
• Horizontally distorted picture. Rattle. (extract of circuit diagram attached)
• No reception. (extract of circuit diagram attached)
• Distorted lines in lower picture third.
• Picture width twitching. Poor E/W. (with circuit diagram extract)
• Vertical foldover at bottom. Reduced vertical size. (with circuit diagram extract)
• Stuck in PAL.
• Picture becomes intermittently B/W.
• No satellite reception.
• Black horizontal lines in the middle of the picture (possibly at the bottom as well). (+ extract of circuit diagram)
• Purple stain on top right-hand side corner. (KVC2921D tip from OTTOVERSAND)
• Yellow, approx 5mm vertical line through the picture. (picture attached)
• Picture sometimes becomes slanted with underlining. (picture attached)
• Channel OSG sway intermittently from side to side then set powers down. (picture attached)
• Wrong colours which are displaced half inch to the right. (part of circuit diagram displayed)
• No picture. No audio. after a while. (part of circuit diagram displayed)
• Attempts to start up three times, then switches to protection mode.
• Sub colour adjustment.
• Vertical streaks. at top. (part of circuit diagram displayed)
• No satellite reception.
• No RC functions. (extract of circuit diagram attached)
• Picture and sound are intermittent; channel number still present. (+ extract of circuit diagram) (OTTOVERSAND - KVC2921D information)
• If a program is selected,appliance switches to and fro between selected program and 00, sometimes several times per sec. Picture temporarily OK. (with circuit diagram extract) (KVC2921D tip from OTTOVERSAND)
• After working ok for a while, interference on picture and sound. Channel display always shows "00". (extract of circuit diagram attached)
• Intermittently microprocessor locks up with parental lock displayed. No signals. (picture attached) (OTTOVERSAND - KVC2921D information)
• No audio.
• No OSD. No reception. Black screen. Standby LED flickers every 20 seconds. (extract of circuit diagram attached)
• Black screen. intermittently. (with circuit diagram extract)
• Switches on twice for a short time switches off. (OTTOVERSAND - KVC2921D information)
• Severe hum in standby on left channel. OK in standard mode. (+ extract of circuit diagram)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke. (KVC2921D tip from OTTOVERSAND)
• Switches to protection mode. after start-up. (OTTOVERSAND - KVC2921D information)
• No channel storing. (part of circuit diagram displayed)
• Retrace lines. after warm-up. (part of circuit diagram displayed)
• At switch on pulsates 3 times. (+ extract of circuit diagram)
• Picture only appears approx 2 mins after switch on. Audio OK. (picture attached)
• Varicap adjustment (tuning) shifts intermittently.
• Low audio (on the right). (picture attached)
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract) (KVC2921D tips)
• No picture. No OSD. (part of circuit diagram displayed)
• When increasing volume of appliance via RC, sound becomes lower by itself after finishing the adjustment, also when lowering volume appliance becomes louder or lower ie. sound varies. (picture attached)
• Drifts in frequency. Channel change ok, locks on the correct frequency. (part of circuit diagram displayed)
• Service information. New B1 board with a new IC310.
• Picture runs through. (part of circuit diagram displayed)
• +B voltage can not be adjusted. (extract of circuit diagram attached)
• Sub colour adjustment.
• After a while skips to another program station at random. (+ extract of circuit diagram) (KVC2921D tip from OTTOVERSAND)
• Rustle of EHT at switch on then powers down with LED flashing four times. (extract of circuit diagram attached)
• Dark screen. Occasionally no sound. In programming mode light screen with sync fault.
• The screen is black or very dark. (picture attached)
• No picture or sound after a while. OSD shows video output. (picture attached)
• Picture size incorrect. Change in size of raster. (+ extract of circuit diagram)
• Colour cuts out (knock sensitive).
• Sound only via AV. No picture. Brightness, colour, control are OK.
• Vertical collapse. (part of circuit diagram displayed)
• Distorted audio. The speaker cabinet vibrates.
• Shaking picture. Tearing picture. Distorted picture. (with circuit diagram extract) (KVC2921D tips)
• PSU ticking. LED flashes 5 times. (part of circuit diagram displayed) (KVC2921D OTTOVERSAND repair tip)
• No sound or sound level varies. (part of circuit diagram displayed)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (part of circuit diagram displayed)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• IC8170 blows at switch on. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVC2921D)
• OSD moves and flashes. Volume level changes spontaneously. (with circuit diagram extract) (KVC2921D tips)
• No audio (after a few minutes). (picture attached)
• Buzz on sound in standby. (with circuit diagram extract)
• Occasionally varicap tuning shifts. Black picture, no sound, hum.
• Vertical amplitude too low . Bad vertical linearity. Dark picture at bottom. (part of circuit diagram displayed)
• No switch on and red light on. 140V present. No input signal on line transistor base. (+ extract of circuit diagram)
• Intermittent NICAM STEREO.
• Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
• OSG sways from side to side. (picture attached)
• No audio. OK via SCART . No picture.
• No colour (intermittently). (KVC2921D tips)
• No picture. No audio. intermittently. OSD OK .
• No audio.
• Doesn't store programs. Jumps back to 0.
• Dead. (picture attached)
• Intermittently no audio or crashing sound, in particular during mechanical bangs.
• Colour fails when warm.
• No surround sound from speakers intermittently.
• HT too high at 175V. (+ extract of circuit diagram)
• No raster. (part of circuit diagram displayed)
• Picture is red. If colour contrast is reduced, picture is black-white.
• Adjustment of station logos.
• No functions. (+ extract of circuit diagram)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram) (KVC2921D OTTOVERSAND repair tip)
• 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. (with circuit diagram extract)
• Does not switch to standby correctly, it can be started again only by control on appliance. (picture attached)
• No picture, no RC reception, LED flashes a few secs.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (part of circuit diagram displayed)
• White horizontal lines in picture. Broad lines when cold. Thin lines when warm, or no lines. (picture attached) (KVC2921D tip from OTTOVERSAND)
• No picture. when changing channels (intermittently). (with circuit diagram extract) (KVC2921D tip from OTTOVERSAND)
• RC units. (OTTOVERSAND - KVC2921D information)
• Degaussing does not work on the sides of the picture.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• No audio. (KVC2921D tip from OTTOVERSAND)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode.
• RC units.
• Dim picture. Excessive brightness. (extract of circuit diagram attached)
• Standby LED flashes slowly. (part of circuit diagram displayed)
• Intermittent normal, b/w or wrong colours (multi norm!).
• Slow start-up. when cold. (part of circuit diagram displayed)
• Crackling audio. intermittently.
• No colour. intermittently. Flickering picture.
• Volume cannot be altered, stuck near maximum. (extract of circuit diagram attached) (KVC2921D tip from OTTOVERSAND)
• Reduced picture size. Horizontal line. (with circuit diagram extract)
• Service information. New B1 board with a new IC310.
• Chopper transistor S/C. (extract of circuit diagram attached)
• Dark picture with red stripes. Picture is OK after approx 5 mins, but red is missing.
• No start-up from standby with RC.
• Colour loss.
• RC units.
• Starts up at switch on, red LED flickers then appliance goes dead. (picture attached)
• No start-up. when cold. (part of circuit diagram displayed)
• Horizontal lines across screen. Humming. (+ extract of circuit diagram)
• Volume uncontrollable. (picture attached)
• Horizontally stretched picture.
• No audio (intermittently).
• Cramping at bottom of screen, width reduction and loss of audio. (+ extract of circuit diagram)
• Poor sound as if in mute. (extract of circuit diagram attached)
• Slow start-up. (extract of circuit diagram attached)
• Part number info: rear cover.
• General information.
• Occasionally appliance cannot be switched on from the mains switch. (part of circuit diagram displayed)
• Crackling audio.
• Switches on. Signs on the screen, green bar and sound dropout. (with circuit diagram extract)
• Irregularity of the sound.
• Cannot go to standby even after a few attempts to switch ON. (+ extract of circuit diagram)
• Picture has green line going down. (with circuit diagram extract)
• Intermittently top of screen rolls, loses colour, picture pulses or twitches.
• Hum sound in standby mode. (part of circuit diagram displayed)
• +B too low, can only be adjusted from 90V to 120V (picture attached)
• Grey screen. Retrace lines. after a few seconds. (part of circuit diagram displayed) (KVC2921D tip from OTTOVERSAND)
• No functions on RC. Noisy sound. (with circuit diagram extract)
• OSG are black and should be green.
• No colour in PAL.
• No colour. after a few minutes. (with circuit diagram extract)
• Picture distorted and reduced. Picture becomes longer when hot. (picture attached)
• When storing a station the station is placed at each programme site. The same thing repeats when storing a new station. (picture attached)
• Programming the IC-005 SDA2546
• No switch on from standby. Power supply shuts down. (part of circuit diagram displayed) (OTTOVERSAND - KVC2921D information)
• Attempts to start up once, gives three pulses and then goes into safety mode.
• Varicap voltage drift.
• Red, green and blue lines at top of screen. (extract of circuit diagram attached)
• No raster. Audio OK . (+ extract of circuit diagram)
• Stations drift off tune or search does not stop. (extract of circuit diagram attached)
• Distorted picture and vertical sync when switching on
• Programm jumps from 2 to 32 or from 4 to 36 or from 6 to 38 after some time.
• Sound drops out then comes back after several moments.
• When connecting TV in cold conditions, picture flickers. Knock sensitive fault. (with circuit diagram extract)
• Intermittent chroma (digital board).
• No tuning immediately after start up or channel dropout faults.
• Slight top foldover plus 6 faint flyback lines (2 red, 2 green, 2 blue). (part of circuit diagram displayed)
• Veil and picture oscillation. (+ extract of circuit diagram)
• Tuner drifts off tune and programs block. (KVC2921D OTTOVERSAND repair tip)
• Black and white flashes on cassette ext, with Hitachi and Telefunken VCRs, OK on their recordings.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (picture attached)
• Width is reduced and verticals bent. (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• Sound disappears then returns. Picture is normal. (OTTOVERSAND - KVC2921D information)
• Odd colour patches
• Service information. New B1 board with a new IC310.
• Flashing picture. Applicable to sets which have a new B1 board without a screening can. See also bulletin TV00692. (+ extract of circuit diagram)
• Switches to standby. (part of circuit diagram displayed)
• OSD flickers. Intermittently buzzing sound. (with circuit diagram extract)
• Sound goes off. STEREO lights go out and goes into MONO.
• Pulsating picture. (service info for OTTOVERSAND -KVC2921D)
• No picture. Standby LED does not light. (service info for OTTOVERSAND -KVC2921D)
• OSG jitters, audio crackles and loss of colour.
• Switches automatically back to program 1 or 00. (KVC2921D tips)
• Vertical line. in the centre. (extract of circuit diagram attached)
• Procedure to initialise Eprom after replacement.
• Maximum audio volume, intermittently.
• TXT doesn't function. Greenish background. (service info for OTTOVERSAND -KVC2921D)
• No colour in Secam or via scart.
• Black screen. No display. (picture attached)
• No start-up. (part of circuit diagram displayed)
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory. (+ extract of circuit diagram)
• Hum sound in standby mode.
• Service information. B1 board with a new IC310.
• RC units.
• Volume increases automatically.
• No TXT. (part of circuit diagram displayed)
• Intermittently switch to PR00. (+ extract of circuit diagram)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Hum at switch on. Purity spots.
• Volume level decreases. OSD OK.
• No colour. after warm-up.
• Loss of colours after switching appliance on again 5 mins after it has played for an hour. Colours OK when not switched off.
• Green purity smear at upper left coin and purple purity smear at upper right corner.
• Sound only briefly present, then only mute.
• Reduced vertical size. Poor vertical linearity. (extract of circuit diagram attached)
• Picture green, with green lines. (extract of circuit diagram attached) (service info for OTTOVERSAND -KVC2921D)
• Picture rolls/goes B/W or line twitching at top of screen.
• Mono/stereo identification problem in stereo (pal B/G) transmission reception. (picture attached)
• Switches from each program to C02 after approx 5 mins. It is OK after switch over but fault recurs.
• Channels change to 1. (with circuit diagram extract)
• Sub-brightness adjustment.
• Poor colour reproduction. Brightness adjustment doesn't function. (+ extract of circuit diagram)
• Weird colour patches.
• Insufficient height and cramping at centre of screen. (with circuit diagram extract) (KVC2921D tip from OTTOVERSAND)
• PSU pumps three times at switch on. Standby LED switches off. (OTTOVERSAND - KVC2921D information)
• Vertical deflection fails or only vertical lines are visible. (with circuit diagram extract)
• It is constantly on program site 2. Analog values can be adjusted but bounce back immediately to the initial value (+ extract of circuit diagram)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Standby LED blinks intermittently after switch on. (+ extract of circuit diagram)
• Intermittent HV flashover at the CRT neck.
• No sound on the French channels. In PAL the sound functions normally. (KVC2921D OTTOVERSAND repair tip)
• Intermittent picture size. (part of circuit diagram displayed)
• Overspread of a colour when warm.
• Colour disappears intermittently.
• Volume varies. (+ extract of circuit diagram)
• Vertical lines are ragged. (extract of circuit diagram attached)
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• No power up. Standby LED flashing with 12 secs intervals. (picture attached)
• Service information. Mcb connecting leads. (with circuit diagram extract)
• No or intermittent start-up. Knock sensitive. (+ extract of circuit diagram)
• Brief start up of power supply. Standby LED then flashes 4 times. (part of circuit diagram displayed)
• No start-up. intermittently. (picture attached)
• General information.
• Sound increases by itself.
• No colour after 10 mins operation.
• All channels drift within 15 mins.
• Horizontal line. (part of circuit diagram displayed)
• No audio. (part of circuit diagram displayed)
• Low contrast comes up after while. Flyback lines. (with circuit diagram extract)
• No audio. No picture. OSD OK. OK via SCART.
• No channel storing. (service info for OTTOVERSAND -KVC2921D)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
• Pulsates 4 times on start up from mains and then switches off. No standby display. (extract of circuit diagram attached)
• Loud noise intermittently and no picture after start-up. Error appears rarely. (picture attached)
• Value of C817 capacitor.
• No audio.
• Ragged verticals at bottom 2 inches. (part of circuit diagram displayed)
• Value of capacitor C815.
• Switches to standby (after start-up). (picture attached)
• Flickering colours. Knock sensitive.
• After a while starts switching between the channel where it was at that moment and channel 00. After restart remains on channel 00. (part of circuit diagram displayed)
• PSU IC and PSU transistor defective. (with circuit diagram extract)
• Distorted frame. (+ extract of circuit diagram)
• Intermittent colour and picture flashing.
• Appliance blows circuit protectors PS601 and PS602.
• On one channel the volume is at maximum. (part of circuit diagram displayed)
• Doesn't start up with mains switch when cold. Standby LED flashes 4 times. (+ extract of circuit diagram)
• Occasionally picture and sound disappear (go out of tune), mainly a short time after switch on, if appliance is cold.
• Program number OSD is permanently displayed. (+ extract of circuit diagram)
• 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 appears and disappears with horizontal sync tearing. (part of circuit diagram displayed)
• Beeps.
• Poor vertical linearity (stretched at the top, collapsed at the bottom). (picture attached)
• Intermittent colour (after warm-up).
• Picture foldover at the bottom of the screen. Adjustments work but fault persists, (with circuit diagram extract) (service info for OTTOVERSAND -KVC2921D)
• Tuning drifts. (picture attached)
• Pale or distorted picture or black and white picture. (with circuit diagram extract)
• Stations disappear and reappear every 3 secs on all 30 cable programs.
• No audio. (+ extract of circuit diagram)
• No picture. Text has one colour missing. (with circuit diagram extract)
• Hiccups 4 times and then fails (in cold condition). (picture attached)
• Stores the same station on all channels. Doesn't switch over correctly.
• No picture at switch on. No OSD display. Sound present. Picture appears after 1 to 2 min. Time difference for when picture appears do not decrease significantly after switching off and on again. (with circuit diagram extract)
• Service information. New B1 board with a new IC310.
• Jumps from program site 2 to 00, jumps to and fro, then stays on program 00. (+ extract of circuit diagram)
• It may happen that during a Mono broadcasting, the stereo LED switches on. At this time, a strong audio noise may be heard.
• Error codes. (+ extract of circuit diagram)
• Blank raster. (extract of circuit diagram attached)
• Colour disappears after awhile and picture interference starts. Seems like tuning is drifting. Symptoms do not occur in the repair shops. Voltage on aerial.
• Picture fails. (extract of circuit diagram attached)
• PSU transistor and fuse 4A are destroyed after 1-3 mins. (picture attached)
• Part number info: Rear Cover.
• Low audio after start-up. OK after a few minutes.
• No audio.
• No reception of band I cable TV. Band III and Band IV ok.
• Line output stage defective. (with circuit diagram extract)
• At switch on picture takes longer than usual to appear (tube unblocking). (extract of circuit diagram attached)
• No SECAM sound. Sound OK in PAL. Picture OK in SECAM and PAL.
• Black and white picture with strobe effect. (+ extract of circuit diagram)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke. (service info for OTTOVERSAND -KVC2921D)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• Colour fails.
• Switches to protection mode. (with circuit diagram extract)
• Channel memory loss at switch off. No volume control. Remains on original adjustment. Program OK. Channel tuning OK. (with circuit diagram extract)
• Warped picture after some time. (with circuit diagram extract)
• No picture after 5 mins. It bounces twice, then screen becomes dark. Program display is 00. If program is selected again, picture reappears. (with circuit diagram extract)
• Intermittent symptoms - picture rolls, goes black and white with pulsing, or line twitching occurs at the top of the picture.
• RC units.
• Starts up with a plopping noise from loudspeakers. Bright horizontal stripes in tuner picture in the first minutes of operation. Intermittently picture and sound OK after half an hour. (+ extract of circuit diagram)
• Flickering picture. No picture. intermittently. (extract of circuit diagram attached)
• PSU pulsates. (part of circuit diagram displayed)
• Power supply goes on and switches then on and off rhythmically. Several white streaks on screen for a short while. (part of circuit diagram displayed)
• Intermittently right side of the picture only has incorrect colour. (+ extract of circuit diagram)
• Sub-brightness adjustment.
• Purity error when switching. Purity errors on screen after initial switch on.
• Lines approx 5cm at the top. (with circuit diagram extract) (KVC2921D OTTOVERSAND repair tip)
• Switch has to be pressed several times to start the appliance. Sound fault. (picture attached)
• RC units.
• After a short operation time, screen becomes black without sound or ripples in B/W.
• Sound makes a sizzling noise.
• Stuck in standby. Comes on when powered ON/OFF a few times but with no picture for approx. one min; followed with flyback lines as set warms up. (part of circuit diagram displayed)
• Audio crackles, OSG jitters and loss of colour.
• Audio fades. intermittently. (service info for OTTOVERSAND -KVC2921D)
• No start-up from standby. (part of circuit diagram displayed)
• HV crackles shortly after switch on, then no function. (with circuit diagram extract)
• No audio. when cold.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (with circuit diagram extract)
• Vertical jitter. LED blinks . Trips. (with circuit diagram extract)
• RC units.
• Frame output chip blown repeatedly. (extract of circuit diagram attached)
• Low audio.
• No colour.
• Switches to next odd number when selecting preset even number (2,4,6, etc.) (without using RC). (extract of circuit diagram attached)
• Service information. See the bulletin for the circuit of a new B1 board with a new IC310. See also bulletins TV00692 and TV00593. (KVC2921D tips)
• Spot on right of picture.
• Service information. Original tuner (SUF944PLL) is replaced by tuner U944C. Only for UK models. (extract of circuit diagram attached)
• Blurry picture. (+ extract of circuit diagram)
• Q602 (2SD1548) blows at start up and fuse blows. (with circuit diagram extract)
• No reception (intermittently). (with circuit diagram extract)
• How to store medium values for brightness and volume. (KVC2921D tip from OTTOVERSAND)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• FET chopper transistor BUZ91A fails. (extract of circuit diagram attached)
• Black screen and no sound when switching TV on in cold conditions. Standby LED lights up after a short while. TV functions OK. Loud "plof" noise in loudspeakers. (part of circuit diagram displayed)
• No driver transistor Q805 command. (picture attached)
• No channel storing.
• Frizzy picture width which is not constant. (with circuit diagram extract)
• Shuts down. (extract of circuit diagram attached)