KVC2121D / OTTOVERSAND [TV]

• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
• Sound is missing from right hand channel. (extract of circuit diagram attached)
• No raster. (extract of circuit diagram attached)
• Starts up, red LED flashes twice then goes dead. (part of circuit diagram displayed)
• Black hum bar type effect for first few secs after channel change. (part of circuit diagram displayed)
• Sound goes to maximum when adjusted. (picture attached)
• No audio.
• Sound only briefly present, then only mute.
• Screen doesn't light up. HF noise from loudspeakers. (with circuit diagram extract) (KVC2121D tips)
• First full volume on operating volume - or + keys. Then volume can be adjusted to normal.
• No picture. Sound only via AV. Brightness, colour, control OK. (part of circuit diagram displayed)
• Sporadic interference from loudspeaker.
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• It may happen that during a Mono broadcasting, the stereo LED switches on. At this time, a strong audio noise may be heard.
• Sound only via AV. No picture. Brightness, colour, control are OK.
• Volume increases automatically.
• OSD flickers constantly. Intermittently goes into standby. (picture attached)
• Intermittently PSU does not start up. (part of circuit diagram displayed)
• Picture compressed in the centre. Black band at the bottom of the screen. (part of circuit diagram displayed)
• Text picture geometry distorted.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (picture attached)
• Contrast too low in certain mode. A dark picture is displayed in the rgb mode. (part of circuit diagram displayed)
• Colour cuts out (knock sensitive).
• Picture distorted and reduced. Picture becomes longer when hot. (+ extract of circuit diagram)
• Loss of picture. Picture shows flashes.
• Sound crackles with OSD flashing. (+ extract of circuit diagram)
• TV unit cannot be tuned to any station anymore.
• No synchronisation. (+ extract of circuit diagram)
• Varicap adjustment (tuning) shifts intermittently.
• Reduced vertical size. Poor vertical linearity. (with circuit diagram extract)
• Pale or distorted picture or black and white picture. (part of circuit diagram displayed)
• Weird colour patches.
• No colour in PAL.
• Strong noises from demagnetizing coil after plug has been pulled out. (+ extract of circuit diagram)
• No subtitles with the "Subtitles for the hard of hearing" decoder. (with circuit diagram extract)
• Degaussing does not work on the sides of the picture.
• Green picture. Black screen. intermittently. Audio and OSD OK .
• Tuning drifts or unstable.
• No tuning.
• Tuning drifts. (service info for OTTOVERSAND -KVC2121D)
• Intermittent picture size. (part of circuit diagram displayed)
• Distorted picture and vertical sync when switching on
• Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
• On screen display is constantly mixed up. Flickering picture and plopping sounds. (part of circuit diagram displayed)
• Picture only appears approx 2 mins after switch on. Audio OK. (with circuit diagram extract)
• No sound. Video ok. Sound functions well via scart.
• Power supply starts up and goes then to PROTECT mode. Standby light on. (with circuit diagram extract) (KVC2121D tips)
• No picture. Standby LED does not light.
• Standby LED blinks intermittently after switch on. (with circuit diagram extract)
• No colour.
• No start-up. after warm-up.
• Channels drift and go back to 00. (part of circuit diagram displayed)
• No HV. (extract of circuit diagram attached) (KVC2121D OTTOVERSAND repair tip)
• White horizontal lines in picture. Broad lines when cold. Thin lines when warm, or no lines. (part of circuit diagram displayed)
• Collapsed verticals.
• No satellite reception.
• Strong colours. (part of circuit diagram displayed)
• Stores the same station on all channels. Doesn't switch over correctly.
• Intermittent loss of colour or colours getting brighter and more saturated as set warms up. (+ extract of circuit diagram)
• No operation (intermittently). (part of circuit diagram displayed)
• Picture is too wide, distorted, goes into safety mode if not adjusted. (extract of circuit diagram attached)
• 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 green, with green lines. (+ extract of circuit diagram)
• Picture disappears after short operation. OSD oscillates. (picture attached)
• Purity errors and E/W distortion.
• Wrong colours which are displaced half inch to the right. (+ extract of circuit diagram)
• At switch on pulsates 3 times. (extract of circuit diagram attached)
• Intermittent chroma (digital board).
• No audio. No picture. OSD OK. OK via SCART.
• Diminishing power supply. (with circuit diagram extract)
• TXT doesn't function. Greenish background.
• No colour (after a few minutes). (picture attached)
• Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
• Dark picture is lower third, upper third folded down. (+ extract of circuit diagram)
• Programming the IC-005 SDA2546
• Crackling audio. (OTTOVERSAND - KVC2121D information)
• OSD moves and flashes. Volume level changes spontaneously. (picture attached)
• Pincushion distortion. at bottom.
• Volume uncontrollable. (extract of circuit diagram attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode.
• Sound occasionally increases to maximum without the sound scale being displayed. (part of circuit diagram displayed)
• A space between the tube and the cabinet may be visible.
• Red, green and blue lines at top of screen. (extract of circuit diagram attached)
• Hiccups 4 times and then fails (in cold condition). (extract of circuit diagram attached)
• Tuning drifts. intermittently.
• Rustle of EHT at switch on then powers down with LED flashing four times. (with circuit diagram extract)
• Flickering colours. Knock sensitive.
• No reception (intermittently). (part of circuit diagram displayed)
• Switches to video input if a VCR is connected via scart and VCR is switched to standby. (+ extract of circuit diagram)
• No start-up. intermittently. (extract of circuit diagram attached)
• Dead. No standby. Switches 3x quietly. (extract of circuit diagram attached)
• No functions. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVC2121D)
• Picture is vertically too small and has rounded corners. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVC2121D)
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached) (KVC2121D tip from OTTOVERSAND)
• Line output stage defective. (picture attached)
• Sub-brightness adjustment.
• No audio. (with circuit diagram extract)
• Purity error when switching. Purity errors on screen after initial switch on.
• Sound level decreases. OSD shows decrease. (OTTOVERSAND - KVC2121D information)
• No sound in SECAM or intermittent sound.
• +B too low, can only be adjusted from 90V to 120V (with circuit diagram extract)
• Stored stations shift in fine tuning. At direct channel input station is stable.
• No driver transistor Q805 command. (+ extract of circuit diagram)
• No picture. Audio OK . (part of circuit diagram displayed)
• Intermittently strong hissing in sound.
• No satellite reception.
• No sound. Picture OK.
• No RC functions or OSD. Intermittent colour, then intermittent video. (+ extract of circuit diagram) (KVC2121D OTTOVERSAND repair tip)
• Picture and sound are intermittent; channel number still present. (with circuit diagram extract)
• No vertical deflection. (extract of circuit diagram attached)
• Tuning drifts. intermittently.
• After start-up protective circuit switches on, after several start ups appliance functions. (+ extract of circuit diagram)
• Starts up at switch on, red LED flickers then appliance goes dead. (extract of circuit diagram attached)
• Picture and sound is intermittent or negative picture.
• All channels drift within 15 mins.
• Power supply goes on and switches then on and off rhythmically. Several white streaks on screen for a short while. (with circuit diagram extract)
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• Sub-brightness adjustment.
• Beeps.
• Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
• Picture foldover at the bottom of the screen. Adjustments work but fault persists, (with circuit diagram extract)
• If a program is selected,appliance switches to and fro between selected program and 00, sometimes several times per sec. Picture temporarily OK. (picture attached)
• Ragged verticals at bottom 2 inches. (with circuit diagram extract)
• Switches after switch on immediately to channel site 33. If set is switched on with button 1 on RC, it switches to channel 33.
• Brief start up of power supply. Standby LED then flashes 4 times. (part of circuit diagram displayed)
• Channel OSG sway intermittently from side to side then set powers down. (picture attached)
• Colour disappears after switching to a different channel. (picture attached)
• Colour fails when warm.
• Dark picture with on-screen display, no sound. Videotext is OK. (+ extract of circuit diagram)
• No picture. No sound. No keyboard and RC functions. LED blinks every 5 seconds.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
• No picture. (part of circuit diagram displayed) (KVC2121D tips)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Sound goes off. STEREO lights go out and goes into MONO.
• RC units. (service info for OTTOVERSAND -KVC2121D)
• B1 board change. (KVC2121D tip from OTTOVERSAND)
• Frizzy picture width which is not constant. (picture attached)
• VOL goes to full blast when when VOL +/- selected, then works OK. (extract of circuit diagram attached) (KVC2121D tips)
• Flyback lines. Dark picture. after a while. (with circuit diagram extract)
• Picture and sound disappear intermittently. On-screen display is disturbed. (+ extract of circuit diagram)
• Intermittent colour.
• After a short operation time, screen becomes black without sound or ripples in B/W.
• Service information. New B1 board with a new IC310.
• No picture. when changing channels (intermittently). (extract of circuit diagram attached)
• 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. (part of circuit diagram displayed)
• Black/white picture at times or stripes in picture.
• When volume level is changed it goes to maximum level only. (with circuit diagram extract) (KVC2121D tips)
• No picture. No audio. after a while. (extract of circuit diagram attached)
• No colour.
• Standby LED flashes slowly. (picture attached)
• Retrace lines. (extract of circuit diagram attached)
• Picture has green line going down. (picture attached) (KVC2121D tip from OTTOVERSAND)
• No colour. after a while. Interference in picture.
• Wrong colours at sides.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
• No audio. (extract of circuit diagram attached)
• No switch on and red light on. 140V present. No input signal on line transistor base. (extract of circuit diagram attached) (KVC2121D tips)
• Intermittent colour.
• Poor picture. Flyback lines. (extract of circuit diagram attached)
• Green purity smear at upper left coin and purple purity smear at upper right corner.
• Occasionally shift in reception.
• No picture after 5 mins. It bounces twice, then screen becomes dark. Program display is 00. If program is selected again, picture reappears. (part of circuit diagram displayed)
• Spot on right of picture.
• OSD and picture noisy. (+ extract of circuit diagram)
• Dark screen. Audio OK . (part of circuit diagram displayed) (KVC2121D tips)
• Occasionally picture and sound disappear (go out of tune), mainly a short time after switch on, if appliance is cold.
• Slow start-up. when cold. (part of circuit diagram displayed) (OTTOVERSAND - KVC2121D information)
• 137V voltage collapses at switch on. (with circuit diagram extract)
• No colour.
• Frame output chip blown repeatedly. (part of circuit diagram displayed)
• Horizontally stretched picture.
• Picture height too low and rolled-up from the top.
• Jumps from program site 2 to 00, jumps to and fro, then stays on program 00. (with circuit diagram extract)
• Service information. New B1 board with a new IC310.
• Ticks 3 times, then no function. (picture attached)
• Audio crackles, OSG jitters and loss of colour.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (part of circuit diagram displayed) (KVC2121D tips)
• No function with the RCU. IR receiver functions. IR data reach the microprocessor. RCU functions with another CTV. (part of circuit diagram displayed)
• Tuning drifts. (with circuit diagram extract)
• Picture is poor with flyback lines and pulsing brightness. (+ extract of circuit diagram)
• No colour after 10 mins operation.
• No picture, no RC reception, LED flashes a few secs.
• White horizontal lines across top of picture.
• 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.
• Colour fails.
• Vertical foldover at bottom. Reduced vertical size. (+ extract of circuit diagram)
• Interference on low channels. (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.
• 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.
• No audio. OK via SCART . No picture.
• No start-up. after lightning strike. (part of circuit diagram displayed)
• Cramping at bottom of screen, width reduction and loss of audio. (with circuit diagram extract)
• Intermittent or no colour.
• No start-up. when cold. LED blinks . (+ extract of circuit diagram)
• Picture size incorrect. Change in size of raster. (picture attached)
• Volume cannot be turned down, jumps back to approx 70 %. (service info for OTTOVERSAND -KVC2121D)
• PSU ticking. LED flashes 5 times. (extract of circuit diagram attached)
• OSG are black and should be green.
• Severe hum in standby on left channel. OK in standard mode. (+ extract of circuit diagram)
• Doesn't store programs. Jumps back to 0.
• No colour. (picture attached)
• No power supply. Rattle for a few seconds. (part of circuit diagram displayed)
• Maximum audio volume, intermittently.
• RC units.
• The screen is black or very dark. (+ extract of circuit diagram)
• Crackling audio. intermittently.
• AFC does not function.
• Overspread of a colour when warm.
• After a flash goes back to channel 0. OSD displays VIDEO 00. (part of circuit diagram displayed)
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• 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)
• 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)
• After a while skips to another program station at random. (part of circuit diagram displayed)
• OSG jitters, audio crackles and loss of colour.
• Part number info: Rear Cover.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (picture attached)
• Intermittent colour. (service info for OTTOVERSAND -KVC2121D)
• Stuck in PAL.
• 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)
• On one channel the volume is at maximum. (picture attached)
• Horizontal line. (with circuit diagram extract) (service info for OTTOVERSAND -KVC2121D)
• Volume cannot be adjusted, stuck near maximum. (+ extract of circuit diagram)
• No audio. (KVC2121D tips)
• At switch on picture takes longer than usual to appear (tube unblocking). (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. (+ extract of circuit diagram)
• After start-up audio is quiet but gradualy gets louder and gets normal after a short time.
• When the Volume+ bargraph display is adjusted, it jumps up and down. (with circuit diagram extract)
• Intermittently no audio or crashing sound, in particular during mechanical bangs.
• Starts up three times then switches off. (picture attached) (KVC2121D tip from OTTOVERSAND)
• RC units. (KVC2121D tip from OTTOVERSAND)
• Dead. (+ extract of circuit diagram)
• Dark picture with red stripes. Picture is OK after approx 5 mins, but red is missing.
• Attempts to start up once, gives three pulses and then goes into safety mode.
• Flyback lines. at top. (part of circuit diagram displayed)
• Switches off by itself. at start-up.
• Picture sometimes becomes slanted with underlining. (extract of circuit diagram attached)
• Switches on twice for a short time switches off.
• Switches to standby (after start-up). (picture attached)
• No channel storing. (part of circuit diagram displayed)
• No audio (after a few minutes). (part of circuit diagram displayed)
• Picture appears slowly. when cold. No audio. intermittently. (with circuit diagram extract)
• Poor picture with red line.
• Sub colour adjustment.
• Distorted or no audio. via tuner. OK via SCART . (part of circuit diagram displayed)
• Only starts up after several attempts or PSU switches off again.
• Sound increases by itself.
• 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)
• 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)
• 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 flickers and breaks down (wobbles).
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Sometimes colour disappears. B/W picture.
• Resembles incorrect tuning, or the appliance goes to mute. (with circuit diagram extract) (KVC2121D tip from OTTOVERSAND)
• 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. (picture attached)
• Volume skips to high, can be decreased by RC.
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• Volume varies. (picture attached)
• No start-up. (extract of circuit diagram attached) (KVC2121D tips)
• Veil and picture oscillation. (with circuit diagram extract)
• Picture rolls/goes B/W or line twitching at top of screen.
• Intermittent NICAM STEREO.
• Black and white picture with strobe effect. (picture attached)
• No start-up from standby with RC.
• CATV interference. (extract of circuit diagram attached)
• No audio.
• No audio. Picture OK .
• No surround sound from speakers 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.
• IC8170 blows at switch on. (+ extract of circuit diagram)
• Adjustment of station logos.
• Does not switch to standby correctly, it can be started again only by control on appliance. (+ extract of circuit diagram)
• General information. (OTTOVERSAND - KVC2121D information)
• Drops out intermittently and switches to another channel and sound crackles. (part of circuit diagram displayed) (KVC2121D OTTOVERSAND repair tip)
• Cramped at centre, stretched at top and fold over at bottom. (picture attached) (KVC2121D tip from OTTOVERSAND)
• No colour (intermittently). (picture attached)
• Trips 3 times then enters safety mode. (with circuit diagram extract)
• 12V missing on IC608. (picture attached)
• Colour bleeding. Weak colours.
• Unstable volume. (+ extract of circuit diagram)
• Adjustment after replacement of trimmer or crystal.
• Intermittently stops. (with circuit diagram extract)
• No colour. intermittently. Flickering picture.
• Program display appears suddenly. Then RC doesn't function any more. (picture attached)
• Pincushion distortion. (extract of circuit diagram attached)
• Occasionally appliance cannot be switched on from the mains switch. (extract of circuit diagram attached)
• RC units.
• Picture and sound disappear. (+ extract of circuit diagram)
• Service information. B1 board with a new IC310.
• Horizontal lines from top to bottom on screen. (extract of circuit diagram attached) (KVC2121D tip from OTTOVERSAND)
• No switch on from standby. The TV will not come on from standby but the standby LED is lit. 21" and 25" sets only. (+ extract of circuit diagram)
• Rhythmical ticking after start-up. (extract of circuit diagram attached) (OTTOVERSAND - KVC2121D information)
• No or intermittent start-up. (with circuit diagram extract)
• Intermittently top of screen rolls, loses colour, picture pulses or twitches.
• Intermittent colour. (+ extract of circuit diagram)
• Sound functions only on one side but is distorted. Comes back on both channels but is distorted.
• The white balance varies when changing the colour intensity. (part of circuit diagram displayed)
• Intermittently programmes change.
• Part number info: rear cover.
• Horizontal bars when switching channels. Switches off intermittently. Fault may not appear for a long time. (part of circuit diagram displayed)
• Appliance must be switched on for 10 minutes before picture appears. (picture attached)
• The STEREO indicator intermittently switches on in mono channels. This is accompanied with rattle/noise from one channel.
• RC units.
• 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. (extract of circuit diagram attached)
• Deflection fault, distortion and picture oscillation at bottom of screen. (picture attached)
• Appliance blows circuit protectors PS601 and PS602.
• No colour. intermittently.
• Starts 4 times and then turns OFF. (picture attached)
• Blocked on one programme place and when switching it always goes back. (with circuit diagram extract) (KVC2121D tips)
• No picture (intermittently).
• RC units.
• Sound cuts out for long moments after operating for approx. 30 mins.
• Vague horizontal bars and picture takes a long time to appear. Noise in the start up speaker. (extract of circuit diagram attached)
• Intermittent colour and picture flashing. (KVC2121D OTTOVERSAND repair tip)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Dynamic convergence is out of adjustment.
• Value of capacitor C815.
• Vertical jitter. LED blinks . Trips. (part of circuit diagram displayed)
• Vertical lines are bent inwards in the corners of the picture. (+ extract of circuit diagram)
• Low audio.
• Pulsating picture.
• Shaking picture. Tearing picture. Distorted picture. (extract of circuit diagram attached)
• Channel number flickers between two numbers. (part of circuit diagram displayed)
• Sound disappears then returns. Picture is normal.
• Starts up 4 times, then no function. (extract of circuit diagram attached)
• Service information. Original tuner (SUF944PLL) is replaced by tuner U944C. Only for UK models. (part of circuit diagram displayed)
• There are 2 chassis for this model: AE1-B and AE1-C.
• Picture collapses. Sound is cracking. LEDs light up and go out. OSD flickers. (with circuit diagram extract)
• Pulsates four times then switches off.
• Low audio after start-up. OK after a few minutes.
• How to adjust chroma oscillator frequency.
• 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)
• Pulsates 4 times on start up from mains and then switches off. No standby display. (picture attached)
• Black and white flashes on cassette ext, with Hitachi and Telefunken VCRs, OK on their recordings.
• Dead (intermittently). (+ extract of circuit diagram)
• Reduced vertical and horizontal size. Low audio. (picture attached)
• Vertical deflection fails or only vertical lines are visible. (picture attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
• Colour sometimes normal after start-up, sometimes white, sometimes black and white, sometimes wrong colours.
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• Slight top foldover plus 6 faint flyback lines (2 red, 2 green, 2 blue). (with circuit diagram extract)
• No start-up. when cold. (+ extract of circuit diagram)
• Volume level decreases. OSD OK. (KVC2121D OTTOVERSAND repair tip)
• Q602 (2SD1548) blows at start up and fuse blows. (part of circuit diagram displayed)
• HT too high at 175V. (with circuit diagram extract)
• Picture on left side is concaved. (+ extract of circuit diagram)
• Poor linearity or geometry. Frame linearity fault. Usually only occurs in sets which are more than two years old. (with circuit diagram extract) (KVC2121D tip from OTTOVERSAND)
• Excessive horizontal size. E/W fault. (picture attached)
• No sound at switch on. Sound returns by itself sometimes after 15 mins or sometimes longer after 30 mins. (KVC2121D OTTOVERSAND repair tip)
• Horizontal lines across screen. Humming. (part of circuit diagram displayed)
• FET chopper transistor BUZ91A fails. (+ extract of circuit diagram)
• Black screen. No display. (extract of circuit diagram attached)
• Faulty OSD. (+ extract of circuit diagram)
• Channels change at random.
• No sound on the French channels. In PAL the sound functions normally.
• No start-up from standby. (part of circuit diagram displayed)
• 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. (extract of circuit diagram attached)
• Intermittently switch to PR00. (+ extract of circuit diagram)
• No audio. when cold. (KVC2121D tips)
• Picture and sound drop intermittently out. Only green programme display in picture. (with circuit diagram extract)
• Black screen. No RC functions. (+ extract of circuit diagram)
• No or intermittent start-up. Knock sensitive. (picture attached)
• Switches on. Signs on the screen, green bar and sound dropout. (picture attached)
• Doesn't start up with mains switch when cold. Standby LED flashes 4 times. (extract of circuit diagram attached)
• 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.
• Switches automatically back to program 1 or 00.
• Black screen. intermittently. (part of circuit diagram displayed)
• Yellow, approx 5mm vertical line through the picture. (with circuit diagram extract)
• Service information. See the bulletin for the circuit of a new B1 board with a new IC310. See also bulletins TV00692 and TV00593.
• Colour disappears intermittently.
• PSU IC and PSU transistor defective. (+ extract of circuit diagram)
• Poor colour reproduction. Brightness adjustment doesn't function. (with circuit diagram extract)
• No picture.
• No audio (intermittently).
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory. (part of circuit diagram displayed) (OTTOVERSAND - KVC2121D information)
• Occasionally no sound in SECAM mode, no problem in PAL.
• No colour. via SCART. (part of circuit diagram displayed)
• Error codes. (part of circuit diagram displayed) (OTTOVERSAND - KVC2121D information)
• Vertical line. (+ extract of circuit diagram)
• Vertical output stage bcomes defective after few weeks. (+ extract of circuit diagram)
• Intermittently microprocessor locks up with parental lock displayed. No signals. (with circuit diagram extract)
• No tuning immediately after start up or channel dropout faults.
• Switches back to "00" from every programme.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• PSU pumps three times at switch on. Standby LED switches off.
• OSD shifts after approx 10 mins then no picture and no sound. (+ extract of circuit diagram)
• No RC functions. Hum in audio. (part of circuit diagram displayed)
• No colour. TXT OK .
• 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.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (part of circuit diagram displayed) (service info for OTTOVERSAND -KVC2121D)
• Display OSD wobbles. Stripes in picture.
• OSD flickers. Intermittently buzzing sound. (extract of circuit diagram attached) (KVC2121D tip from OTTOVERSAND)
• Retrace lines. after warm-up. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVC2121D)
• No colour. after warm-up.
• Sound drops out then comes back after several moments.
• Service information. New B1 board with a new IC310.
• After longer operation colours disappear.
• 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 fails. (with circuit diagram extract)
• Picture too big. Switches off by itself. (+ extract of circuit diagram) (KVC2121D tips)
• Crackling audio. when cold. Knock sensitive. (with circuit diagram extract)
• Poor sound as if in mute. (with circuit diagram extract)
• How to adjust beat zero.
• Width is reduced and verticals bent. (extract of circuit diagram attached)
• Occasionally sound dropout on tuner/IF board: breaks are very rare (only once in the workshop) and impossible to localise component at fault.
• No audio.
• Varicap voltage drift.
• White or RGB stripes on the upper part of picture. (+ extract of circuit diagram)
• Blank raster. (picture attached)
• Cycles on/off. (part of circuit diagram displayed)
• Intermittent HV flashover at the CRT neck.
• No audio. (part of circuit diagram displayed)
• PSU fails. (extract of circuit diagram attached) (KVC2121D tip from OTTOVERSAND)
• Dark screen. Occasionally no sound. In programming mode light screen with sync fault.
• Pumps, starts after several attempts. Picture and sound OK.
• Flashing picture. Applicable to sets which have a new B1 board without a screening can. See also bulletin TV00692. (part of circuit diagram displayed)
• No start-up. LED blinks . (extract of circuit diagram attached)
• Distorted audio. The speaker cabinet vibrates.
• No RC functions. intermittently.
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• Picture width twitching. Poor E/W. (with circuit diagram extract)
• Switching transistor and mains fuse fail repeatedly. (extract of circuit diagram attached)
• Hum sound in standby mode. (with circuit diagram extract)
• No channel storing.
• +B voltage can not be adjusted. (extract of circuit diagram attached)
• Buzz on sound in standby. (picture attached)
• Volume goes automatically to max. after short run length. Volume can be turned down. But after a short while it is on max. again.
• Intermittent colour (after warm-up).
• After a while starts switching between the channel where it was at that moment and channel 00. After restart remains on channel 00. (with circuit diagram extract)
• Colour disappears after awhile and picture interference starts. Seems like tuning is drifting. Symptoms do not occur in the repair shops. Voltage on aerial.
• Poor colour. One colour missing. Low brightness. (picture attached)
• Switches to standby (intermittently). (with circuit diagram extract)
• Spare part information - Value for R822.
• Blurry picture. (picture attached) (KVC2121D tips)
• Picture becomes intermittently B/W.
• PSU switches 4 times, then no function.
• Lines approx 5cm at the top. (picture attached)
• No colour in Secam or via scart. (service info for OTTOVERSAND -KVC2121D)
• No channel storing.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• Switches to program site 00 after operating for a while.
• RC units.
• 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.
• Odd colour patches
• No raster. Audio OK . (with circuit diagram extract)
• Channel memory loss at switch off. No volume control. Remains on original adjustment. Program OK. Channel tuning OK. (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.
• Program number OSD is permanently displayed. (picture attached)
• Vertical foldover at top. (with circuit diagram extract)
• Insufficient height and cramping at centre of screen. (with circuit diagram extract) (KVC2121D tips)
• Poor colour. TXT is OK. (part of circuit diagram displayed)
• Power supply chopper transistor 2SD1548 S/C. (picture attached)
• Q602 (2SD1548) blown at start up. (with circuit diagram extract)
• Sound makes a sizzling noise.
• Q602 defective. (with circuit diagram extract)
• Grey screen. Retrace lines. after a few seconds. (part of circuit diagram displayed)
• Teletext ok. Otherwise only a dark picture with digit OSD without sound. (+ extract of circuit diagram)
• No switch on from standby. Power supply shuts down. (extract of circuit diagram attached)
• Intermittent loss of colour in PAL, SECAM OK. (part of circuit diagram displayed)
• Crackling noise. Flash-over at switch on.
• 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. (with circuit diagram extract)
• Lines in picture. (extract of circuit diagram attached)
• Intermittent colour. (+ extract of circuit diagram)
• No reception when cold.
• Low contrast comes up after while. Flyback lines. (with circuit diagram extract)
• Flashing picture intermittently. May also have colour dropout. See also bulletin TV00593.
• General information.
• Switches to protection mode. after start-up.
• RC units.
• Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
• Red flyback lines. (extract of circuit diagram attached)
• It is constantly on program site 2. Analog values can be adjusted but bounce back immediately to the initial value (+ extract of circuit diagram)
• Colour lost intermittently, excessive flickering and pulls sideways at top.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (picture attached)
• Signal loss on all channels with red or blue lines. Bright dots on screen. Occasionally picture is OK but with no colours at all.
• The picture flickers from colour to black-and -white very frequently.
• When storing a station the station is placed at each programme site. The same thing repeats when storing a new station. (+ extract of circuit diagram)
• Intermittently picture collapses and blanks out. (KVC2121D tip from OTTOVERSAND)
• Attempts to start up three times, then switches to protection mode.
• Picture is red. If colour contrast is reduced, picture is black-white.
• Service information. New B1 board with a new IC310.
• Shuts down (intermittently). (part of circuit diagram displayed)
• Loss of colours after switching appliance on again 5 mins after it has played for an hour. Colours OK when not switched off.
• Stuck in standby. (picture attached)
• Service information. New B1 board with a new IC310.
• Pulsates 4 times, then no function.
• Mechanical screeching, whistling, chirping from HV unit. (part of circuit diagram displayed)
• No audio. intermittently. OK after a while .
• Bright picture with low contrast and flyback lines, after about 10-15 mins.
• Sub colour adjustment.
• No colour (intermittently). (with circuit diagram extract)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Set up nominal values for the picture setting. (service info for OTTOVERSAND -KVC2121D)
• PSU pulsates. (part of circuit diagram displayed)
• Fine stripes in upper quarter of picture. (picture attached) (service info for OTTOVERSAND -KVC2121D)
• 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)
• Switches to protection mode. (with circuit diagram extract)
• OSD fades away. (part of circuit diagram displayed)
• Bright screen and retrace lines about 2 inches from top. (with circuit diagram extract)
• Pulsating picture. Distorted picture. (service info for OTTOVERSAND -KVC2121D)
• Dead. Standby LED lights, protective circuit starts up.
• Stuck in Canal Plus. (extract of circuit diagram attached)
• 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. (with circuit diagram extract) (KVC2121D tips)
• PSU transistor fails again after approx 3 mins. (with circuit diagram extract) (OTTOVERSAND - KVC2121D information)
• When connecting TV in cold conditions, picture flickers. Knock sensitive fault. (part of circuit diagram displayed)
• Poor distorted sound. (+ extract of circuit diagram)
• 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)
• After about ten minutes, the sound and picture would disappear, leaving a raster with an unlocked display and no colour.
• No reception of band I cable TV. Band III and Band IV ok.
• HV crackles shortly after switch on, then no function. (with circuit diagram extract)
• Picture runs through. (+ extract of circuit diagram) (KVC2121D OTTOVERSAND repair tip)
• No reception. (with circuit diagram extract) (OTTOVERSAND - KVC2121D information)
• Procedure to initialise Eprom after replacement.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Tuner drifts off tune and programs block.
• No tuning.
• Attempts to start up but remains unstable. Clicking noise from chopper. LED switches on at the same rythm.
• Hum at switch on. Purity spots.
• Flickering picture. No picture. intermittently. (with circuit diagram extract)
• No colour. after a few minutes. (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. (+ extract of circuit diagram)
• Vertical amplitude too low . Bad vertical linearity. Dark picture at bottom. (with circuit diagram extract) (KVC2121D tips)
• No degaussing.
• Colour loss. (KVC2121D OTTOVERSAND repair tip)
• PSU transistor and fuse 4A are destroyed after 1-3 mins. (with circuit diagram extract)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (picture attached)
• Sound increases suddenly up to max. Power supply problem in reception, even without touching the RC. PB is normal. (service info for OTTOVERSAND -KVC2121D)
• How to store medium values for brightness and volume.
• Noise in picture. at high volume.
• 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.
• No colour (intermittently).
• Intermittent colour.
• No sound in SECAM L.
• Drifts in frequency. Channel change ok, locks on the correct frequency. (+ extract of circuit diagram)
• Flickering picture. (extract of circuit diagram attached)
• Low audio (on the right). (picture attached)
• Stations drift off tune or search does not stop. (extract of circuit diagram attached) (KVC2121D OTTOVERSAND repair tip)
• Interference in audio.
• Intermittent colour.
• Audio fades. intermittently.
• Audio cannot be adjusted.
• 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) (KVC2121D OTTOVERSAND repair tip)
• Service information. New B1 board with a new IC310.
• Vertical line. in the centre. (picture attached)
• Tripping. (with circuit diagram extract)
• Crackling audio. intermittently.
• Warped picture after some time. (extract of circuit diagram attached)
• Squealing noise at switch on with mains switch. Appliance goes in standby. Power LED flashes. (extract of circuit diagram attached)
• Value of C817 capacitor.
• After working ok for a while, interference on picture and sound. Channel display always shows "00". (extract of circuit diagram attached) (KVC2121D tips)
• Channel drift.
• No functions. Starts up, then beeps 3 times and shutsdown. (part of circuit diagram displayed)
• Colour disappears occasionally. Picture is then black and white and curdled.
• Flashing horizontal black lines. Occasionally appliance may function OK. (with circuit diagram extract)
• Slow start-up. (+ extract of circuit diagram)
• Switch has to be pressed several times to start the appliance. Sound fault. (picture attached)
• OSD channel insertion remains permanently in the picture. Can be switched off with the RC. (with circuit diagram extract)
• Vertical collapse. (with circuit diagram extract)
• No power up. Standby LED flashing with 12 secs intervals. (picture attached)
• Pincushion distortion. on sides. Excessive horizontal size. (extract of circuit diagram attached)
• Dim picture. Excessive brightness. (with circuit diagram extract)
• RC units.
• Power supply voltage is too high. Cannot be adjusted with pot. (extract of circuit diagram attached)
• Power supply hiccups. (picture attached)
• Horizontal lines. (with circuit diagram extract)
• Service information. B1 board with a new IC310.
• Very intermittently volume level changes/blank raster/high pitched noise from speakers/shimmering OSG. (extract of circuit diagram attached)
• Mono/stereo identification problem in stereo (pal B/G) transmission reception. (extract of circuit diagram attached)
• OSD flickers, picture disappears after a while. (part of circuit diagram displayed)
• No picture. No OSD. (with circuit diagram extract)
• Only channels 59 and AV present; audio is set to maximum. (+ extract of circuit diagram)
• Switches from each program to C02 after approx 5 mins. It is OK after switch over but fault recurs.
• Horizontal white line. (+ extract of circuit diagram)
• Low audio. Picture OK .
• No sound or sound level varies. (picture attached)
• No OSD. No reception. Black screen. Standby LED flickers every 20 seconds. (+ extract of circuit diagram) (OTTOVERSAND - KVC2121D information)
• Service information. New B1 board with a new IC310.
• Vertical lines are ragged. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVC2121D)
• Chopper transistor S/C. (+ extract of circuit diagram)
• Picture appears and disappears with horizontal sync tearing. (+ extract of circuit diagram)
• Programm jumps from 2 to 32 or from 4 to 36 or from 6 to 38 after some time.
• Intermittent colour.
• Picture wobbles after switch-on and when OSD is on.
• Incorrect colours. (KVC2121D tip from OTTOVERSAND)
• Picture disappears intermittently with strong noise from FBT. Screen remains black and impossible to switch over channels. OSD remains stuck.
• Picture is too wide and fails when warm. (part of circuit diagram displayed) (KVC2121D tip from OTTOVERSAND)
• Excessive brightness with retrace lines even when brightness is on minimum. (extract of circuit diagram attached) (OTTOVERSAND - KVC2121D information)
• Service information. Mcb connecting leads. (picture attached)
• RC units.
• Bright bar at top of screen. (with circuit diagram extract) (service info for OTTOVERSAND -KVC2121D)
• OSD constantly visible.
• Poor linearity. at top. (picture attached)
• Service information. B1 board with a new IC310.
• No audio. (with circuit diagram extract)
• Intermittently no sound during RF reception. Sound OK via scart.
• Screen remains black or picture is poor.
• Poor vertical linearity (stretched at the top, collapsed at the bottom). (extract of circuit diagram attached)
• After a few seconds the sound becomes distorted. (+ extract of circuit diagram) (KVC2121D tip from OTTOVERSAND)
• Channels change to 1. (with circuit diagram extract)
• Distorted lines in lower picture third.
• Intermittent symptoms - picture rolls, goes black and white with pulsing, or line twitching occurs at the top of the picture.
• Left speaker buzzes after approx 30 mins. (picture attached)
• Hum sound in standby mode.
• OSD flickers. Speakers whistle. (part of circuit diagram displayed) (KVC2121D tip from OTTOVERSAND)
• Black screen. Audio OK . (part of circuit diagram displayed)
• No vertical synchronisation on bright picture content via scart. (KVC2121D tip from OTTOVERSAND)
• Erratic start-up. Standby LED flashes . (+ 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.
• Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
• RC units.
• No picture. No audio. intermittently. OSD OK .
• Loudspeaker crackle at switch on, no picture content. (OTTOVERSAND - KVC2121D information)
• Cannot go to standby even after a few attempts to switch ON. (part of circuit diagram displayed)
• Volume cannot be altered, stuck near maximum. (with circuit diagram extract)
• Distorted frame. (extract of circuit diagram attached)
• Switches to next odd number when selecting preset even number (2,4,6, etc.) (without using RC). (part of circuit diagram displayed)
• Service information. New B1 board with a new IC310. (service info for OTTOVERSAND -KVC2121D)
• 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)
• No RC functions. (with circuit diagram extract)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• RC units.
• Stations drift off tune. Programs block.
• Occasionally varicap tuning shifts. Black picture, no sound, hum.
• Purple stain on top right-hand side corner.
• No functions on RC. Noisy sound. (part of circuit diagram displayed)
• Intermittently right side of the picture only has incorrect colour. (part of circuit diagram displayed)
• Loss of colour when switching channels when warm. (with circuit diagram extract)
• Tries to start up. Standby LED flashes three or four times then goes out. After insisting a few times, it eventually starts up. (part of circuit diagram displayed)
• Part number information. Some versions of the service manual contain a wrong part number for the rear cover.
• Horizontally distorted picture. Rattle. (+ extract of circuit diagram) (KVC2121D OTTOVERSAND repair tip)
• Picture appears slowly. (picture attached)
• Noise from loud-speaker.
• No SECAM sound. Sound OK in PAL. Picture OK in SECAM and PAL.
• Stations disappear and reappear every 3 secs on all 30 cable programs.
• Shuts down. (picture attached) (OTTOVERSAND - KVC2121D information)
• No sound in aerial mode. Functions via the scart sockets. (extract of circuit diagram attached)
• No picture. Text has one colour missing. (with circuit diagram extract)
• Vertical streaks. at top. (with circuit diagram extract)
• Red picture. Flyback lines. Trips.
• Service information. New B1 board with a new IC310.
• Intermittent normal, b/w or wrong colours (multi norm!).
• Distorted picture. Interference in picture. (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. (service info for OTTOVERSAND -KVC2121D)
• Service information. B1 board with a new IC310.
• No picture or sound after a while. OSD shows video output. (extract of circuit diagram attached)
• Irregularity of the sound.
• OSG sways from side to side. (picture attached) (KVC2121D tips)
• Tuner IF fails. Picture is red then black. (+ extract of circuit diagram)
• 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. (with circuit diagram extract)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Pulsates four times at switch on and then switches to standby.
• Loud noise intermittently and no picture after start-up. Error appears rarely. (extract of circuit diagram attached)
• Switches to standby. (picture attached)
• Black horizontal lines in the middle of the picture (possibly at the bottom as well). (picture attached)
• E/W fault.
• Incorrect colour and spots on white background.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (part of circuit diagram displayed)
• Crackling audio.
• No colour via aerial or scart.
• No TXT. (picture attached)
• Switches immediately to program 0 at switch on. Impossible to change. (picture attached)
• Tuner adjustment is off tune. Fine tuning does not store information.
• Does not store stations.
• Only a green streak in the middle of screen. OSD appears on this streak.
• Reduced picture size. Horizontal line. (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. (with circuit diagram extract)