 |
KVE2921D / OTTOVERSAND [TV]
The EURAS repair tip database for professional technicians and service engineers
supplies the following faults for KVE2921D / OTTOVERSAND.
List of fault symptoms:
- Crackling audio.
- Very intermittently volume level changes/blank raster/high pitched noise from speakers/shimmering OSG. (picture attached) (KVE2921D tip from OTTOVERSAND)
- Horizontal white line. (+ extract of circuit diagram)
- No start-up. LED blinks . (picture attached) (service info for OTTOVERSAND -KVE2921D)
- OSD and picture noisy. (part of circuit diagram displayed)
- Intermittently strong hissing in sound.
- Tuning drifts.
- Crackling noise. Flash-over at switch on.
- Picture and sound drop intermittently out. Only green programme display in picture. (+ extract of circuit diagram)
- +B too low, can only be adjusted from 90V to 120V (extract of circuit diagram attached)
- Attempts to start up three times, then switches to protection mode.
- Frizzy picture width which is not constant. (with circuit diagram extract)
- No vertical deflection. (extract of circuit diagram attached) (KVE2921D OTTOVERSAND repair tip)
- Crackling audio. when cold. Knock sensitive. (+ extract of circuit diagram)
- Program number OSD is permanently displayed. (extract of circuit diagram attached)
- No power supply. Rattle for a few seconds. (with circuit diagram extract)
- Picture appears slowly. (with circuit diagram extract)
- No reception when cold.
- RC units. (KVE2921D tip from OTTOVERSAND)
- Insufficient height and cramping at centre of screen. (picture attached)
- Cannot go to standby even after a few attempts to switch ON. (with circuit diagram extract)
- CATV interference. (picture attached)
- Stuck in standby. (+ extract of circuit diagram)
- Channels change at random.
- Sound increases suddenly up to max. Power supply problem in reception, even without touching the RC. PB is normal.
- Vertical line. (part of circuit diagram displayed)
- Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
- Reduced vertical and horizontal size. Low audio. (part of circuit diagram displayed)
- Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
- Black hum bar type effect for first few secs after channel change. (+ 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)
- 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.
- Loud noise intermittently and no picture after start-up. Error appears rarely. (+ extract of circuit diagram)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
- No RC functions. Hum in audio. (with circuit diagram extract)
- Shuts down. (part of circuit diagram displayed)
- Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
- No colour. intermittently. (KVE2921D tip from OTTOVERSAND)
- No colour via aerial or scart.
- Occasionally appliance cannot be switched on from the mains switch. (+ extract of circuit diagram)
- Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
- No start-up. after lightning strike. (part of circuit diagram displayed)
- Service information. B1 board with a new IC310.
- Does not store stations.
- First full volume on operating volume - or + keys. Then volume can be adjusted to normal.
- Intermittent normal, b/w or wrong colours (multi norm!).
- Distorted audio. The speaker cabinet vibrates.
- No picture, no RC reception, LED flashes a few secs.
- Incorrect colour and spots on white background.
- Picture is red. If colour contrast is reduced, picture is black-white. (KVE2921D tip from OTTOVERSAND)
- Volume level decreases. OSD OK.
- Frame output chip blown repeatedly. (with circuit diagram extract)
- Hiccups 4 times and then fails (in cold condition). (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.
- No start-up. after warm-up.
- Appliance blows circuit protectors PS601 and PS602.
- No picture. No audio. after a while. (with circuit diagram extract)
- Intermittent NICAM STEREO.
- Occasionally sound dropout on tuner/IF board: breaks are very rare (only once in the workshop) and impossible to localise component at fault.
- Loss of colours after switching appliance on again 5 mins after it has played for an hour. Colours OK when not switched off.
- Cycles on/off. (part of circuit diagram displayed)
- Horizontal line. (part of circuit diagram displayed)
- White horizontal lines in picture. Broad lines when cold. Thin lines when warm, or no lines. (part of circuit diagram displayed)
- Stored stations shift in fine tuning. At direct channel input station is stable.
- Intermittently picture collapses and blanks out.
- No start-up from standby with RC.
- Audio crackles, OSG jitters and loss of colour. (KVE2921D tip from OTTOVERSAND)
- No operation (intermittently). (extract of circuit diagram attached)
- No start-up from standby. (extract of circuit diagram attached)
- Red picture. Flyback lines. Trips.
- Distorted or no audio. via tuner. OK via SCART . (+ extract of circuit diagram)
- Service information. New B1 board with a new IC310.
- No colour. after a few minutes. (+ extract of circuit diagram)
- Switches immediately to program 0 at switch on. Impossible to change. (+ extract of circuit diagram)
- No sound in SECAM or intermittent sound.
- Flashing picture intermittently. May also have colour dropout. See also bulletin TV00593.
- When the Volume+ bargraph display is adjusted, it jumps up and down. (part of circuit diagram displayed)
- Noise from loud-speaker.
- Picture disappears after short operation. OSD oscillates. (picture attached)
- Intermittent or no colour.
- Intermittent colour (after warm-up). (KVE2921D tips)
- White horizontal lines across top of picture.
- Black screen. No RC functions. (with circuit diagram extract)
- Starts 4 times and then turns OFF. (+ extract of circuit diagram)
- Pulsating picture.
- Distorted frame. (with circuit diagram extract)
- No audio. (+ 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)
- No vertical synchronisation on bright picture content via scart.
- Severe hum in standby on left channel. OK in standard mode. (extract of circuit diagram attached)
- There are 2 chassis for this model: AE1-B and AE1-C. (service info for OTTOVERSAND -KVE2921D)
- Tuning drifts. intermittently.
- Colour fails when warm.
- Picture appears and disappears with horizontal sync tearing. (extract of circuit diagram attached) (KVE2921D tip from OTTOVERSAND)
- Varicap adjustment (tuning) shifts intermittently.
- Does not switch to standby correctly, it can be started again only by control on appliance. (+ extract of circuit diagram)
- No tuning immediately after start up or channel dropout faults.
- No synchronisation. (picture attached)
- Jumps from program site 2 to 00, jumps to and fro, then stays on program 00. (part of circuit diagram displayed)
- Dead (intermittently). (picture attached)
- No colour (intermittently).
- White or RGB stripes on the upper part of picture. (part of circuit diagram displayed)
- 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)
- Service information. New B1 board with a new IC310.
- Pulsating picture. Distorted picture.
- Slow start-up. (part of circuit diagram displayed) (service info for OTTOVERSAND -KVE2921D)
- OSD flickers. Intermittently buzzing sound. (part of circuit diagram displayed)
- Flyback lines. at top. (with circuit diagram extract)
- No channel storing.
- No picture. Standby LED does not light.
- Stuck in Canal Plus. (extract of circuit diagram attached)
- Varicap voltage drift.
- Dead. No standby. Switches 3x quietly. (+ extract of circuit diagram) (KVE2921D OTTOVERSAND repair tip)
- Intermittently microprocessor locks up with parental lock displayed. No signals. (extract of circuit diagram attached)
- Switches to standby (intermittently). (extract of circuit diagram attached)
- Value of C817 capacitor.
- Colour bleeding. Weak colours. (KVE2921D tips)
- Attempts to start up once, gives three pulses and then goes into safety mode.
- Picture width twitching. Poor E/W. (picture attached) (KVE2921D tips)
- Horizontal lines. (extract of circuit diagram attached)
- When storing a station the station is placed at each programme site. The same thing repeats when storing a new station. (picture attached)
- 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 on left side is concaved. (extract of circuit diagram attached)
- Intermittent symptoms - picture rolls, goes black and white with pulsing, or line twitching occurs at the top of the picture.
- Intermittent colour.
- Service information. Original tuner (SUF944PLL) is replaced by tuner U944C. Only for UK models. (+ extract of circuit diagram)
- Error codes. (picture attached)
- Black/white picture at times or stripes in picture.
- Mechanical screeching, whistling, chirping from HV unit. (with circuit diagram extract)
- Channels drift and go back to 00. (extract of circuit diagram attached)
- A space between the tube and the cabinet may be visible.
- No RC functions. (part of circuit diagram displayed)
- RC units.
- Picture foldover at the bottom of the screen. Adjustments work but fault persists, (with circuit diagram extract)
- Occasionally picture and sound disappear (go out of tune), mainly a short time after switch on, if appliance is cold.
- Adjustment after replacement of trimmer or crystal.
- Intermittently stops. (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. (part of circuit diagram displayed)
- Black screen. No display. (part of circuit diagram displayed)
- It may happen that during a Mono broadcasting, the stereo LED switches on. At this time, a strong audio noise may be heard. (KVE2921D tips)
- No audio.
- Switches back to "00" from every programme. (KVE2921D OTTOVERSAND repair tip)
- No start-up. intermittently. (with circuit diagram extract)
- Vertical jitter. LED blinks . Trips. (part of circuit diagram displayed)
- Tuning drifts. intermittently.
- General information.
- Crackling audio. intermittently.
- Tuner IF fails. Picture is red then black. (+ extract of circuit diagram)
- Channels change to 1. (picture attached)
- Switches on twice for a short time switches off.
- +B voltage can not be adjusted. (with circuit diagram extract)
- Service information. B1 board with a new IC310. (service info for OTTOVERSAND -KVE2921D)
- Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
- Vertical deflection fails or only vertical lines are visible. (extract of circuit diagram attached)
- Flashing picture. Applicable to sets which have a new B1 board without a screening can. See also bulletin TV00692. (+ extract of circuit diagram)
- Brief start up of power supply. Standby LED then flashes 4 times. (with circuit diagram extract) (KVE2921D OTTOVERSAND repair tip)
- No colour after 10 mins operation. (service info for OTTOVERSAND -KVE2921D)
- No raster. (extract of circuit diagram attached)
- Sound goes to maximum when adjusted. (picture attached)
- Pulsates 4 times on start up from mains and then switches off. No standby display. (extract of circuit diagram attached)
- Audio fades. intermittently.
- No audio. Picture OK .
- No channel storing. (+ extract of circuit diagram)
- No tuning.
- OSG jitters, audio crackles and loss of colour.
- Black screen. intermittently. (with circuit diagram extract)
- Black and white picture with strobe effect. (extract of circuit diagram attached)
- Switches on. Signs on the screen, green bar and sound dropout. (with circuit diagram extract)
- Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract) (OTTOVERSAND - KVE2921D information)
- No audio. (+ extract of circuit diagram)
- Deflection fault, distortion and picture oscillation at bottom of screen. (+ extract of circuit diagram)
- No audio.
- Volume increases automatically.
- Program display appears suddenly. Then RC doesn't function any more. (with circuit diagram extract)
- Channel number flickers between two numbers. (with circuit diagram extract)
- Picture too big. Switches off by itself. (with circuit diagram extract)
- Reduced vertical size. Poor vertical linearity. (part of circuit diagram displayed)
- Resembles incorrect tuning, or the appliance goes to mute. (part of circuit diagram displayed)
- Crackling audio. intermittently.
- Picture distorted and reduced. Picture becomes longer when hot. (+ extract of circuit diagram)
- Vertical lines are ragged. (+ extract of circuit diagram)
- Volume goes automatically to max. after short run length. Volume can be turned down. But after a short while it is on max. again.
- Maximum audio volume, intermittently.
- Rhythmical ticking after start-up. (extract of circuit diagram attached)
- AFC does not function.
- When connecting TV in cold conditions, picture flickers. Knock sensitive fault. (+ extract of circuit diagram)
- Low audio.
- 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 RC functions or OSD. Intermittent colour, then intermittent video. (part of circuit diagram displayed)
- No functions on RC. Noisy sound. (extract of circuit diagram attached)
- Slow start-up. when cold. (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.
- Loss of picture. Picture shows flashes.
- Attempts to start up but remains unstable. Clicking noise from chopper. LED switches on at the same rythm.
- Teletext ok. Otherwise only a dark picture with digit OSD without sound. (part of circuit diagram displayed)
- Intermittent colour. (with circuit diagram extract)
- Picture size incorrect. Change in size of raster. (with circuit diagram extract)
- Tripping. (+ extract of circuit diagram)
- No tuning.
- Width is reduced and verticals bent. (+ extract of circuit diagram)
- Starts up three times then switches off. (+ extract of circuit diagram)
- Colour cuts out (knock sensitive).
- No colour. intermittently. Flickering picture.
- Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
- Sound drops out then comes back after several moments.
- Switches to protection mode. after start-up.
- Q602 (2SD1548) blows at start up and fuse blows. (picture attached)
- Odd colour patches
- Picture appears slowly. when cold. No audio. intermittently. (+ extract of circuit diagram)
- No switch on and red light on. 140V present. No input signal on line transistor base. (extract of circuit diagram attached)
- RC units.
- 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)
- No picture. Text has one colour missing. (+ extract of circuit diagram)
- Wrong colours at sides.
- Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
- Part number info: Rear Cover.
- OSD flickers constantly. Intermittently goes into standby. (+ extract of circuit diagram)
- 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)
- No picture. No sound. No keyboard and RC functions. LED blinks every 5 seconds.
- Picture flickers and breaks down (wobbles).
- Black screen. Audio OK . (picture attached)
- Dead. Standby LED lights, protective circuit starts up.
- Intermittently right side of the picture only has incorrect colour. (with circuit diagram extract) (OTTOVERSAND - KVE2921D information)
- Sound crackles with OSD flashing. (with circuit diagram extract)
- TXT doesn't function. Greenish background.
- Loss of colour when switching channels when warm. (+ extract of circuit diagram)
- 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)
- Contrast too low in certain mode. A dark picture is displayed in the rgb mode. (with circuit diagram extract)
- Green purity smear at upper left coin and purple purity smear at upper right corner.
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
- Poor picture. Flyback lines. (picture attached)
- Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
- Strong noises from demagnetizing coil after plug has been pulled out. (+ extract of circuit diagram)
- Stations disappear and reappear every 3 secs on all 30 cable programs.
- Switches automatically back to program 1 or 00.
- No subtitles with the "Subtitles for the hard of hearing" decoder. (picture attached)
- No reception. (with circuit diagram extract)
- After a while skips to another program station at random. (+ extract of circuit diagram)
- PSU switches 4 times, then no function.
- Intermittently switch to PR00. (+ extract of circuit diagram)
- No colour. via SCART. (extract of circuit diagram attached)
- Poor colour reproduction. Brightness adjustment doesn't function. (part of circuit diagram displayed)
- Picture is too wide and fails when warm. (with circuit diagram extract)
- Picture fails. (picture attached)
- Switching transistor and mains fuse fail repeatedly. (+ extract of circuit diagram)
- Service information. New B1 board with a new IC310.
- After a flash goes back to channel 0. OSD displays VIDEO 00. (picture attached)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (picture attached)
- After about ten minutes, the sound and picture would disappear, leaving a raster with an unlocked display and no colour.
- Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
- OSD channel insertion remains permanently in the picture. Can be switched off with the RC. (extract of circuit diagram attached)
- Reduced picture size. Horizontal line. (picture attached)
- Lines in picture. (extract of circuit diagram attached)
- Drifts in frequency. Channel change ok, locks on the correct frequency. (with circuit diagram extract)
- Sound increases by itself.
- RC units.
- Horizontally distorted picture. Rattle. (extract of circuit diagram attached)
- No picture or sound after a while. OSD shows video output. (extract of circuit diagram attached)
- 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)
- Service information. New B1 board with a new IC310.
- No picture. No audio. intermittently. OSD OK .
- Dark picture is lower third, upper third folded down. (+ 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)
- No TXT. (picture attached)
- Dim picture. Excessive brightness. (+ extract of circuit diagram)
- Poor linearity. at top. (extract of circuit diagram attached)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (picture attached)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram) (KVE2921D tips)
- Picture disappears intermittently with strong noise from FBT. Screen remains black and impossible to switch over channels. OSD remains stuck.
- Service information. B1 board with a new IC310.
- No functions. (part of circuit diagram displayed)
- No colour (intermittently). (with circuit diagram extract)
- 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. (part of circuit diagram displayed)
- Retrace lines. after warm-up. (+ extract of circuit diagram)
- Poor colour. TXT is OK. (with circuit diagram extract)
- Service information. New B1 board with a new IC310.
- Switches to standby (after start-up). (part of circuit diagram displayed)
- Picture compressed in the centre. Black band at the bottom of the screen. (+ extract of circuit diagram)
- No raster. Audio OK . (part of circuit diagram displayed)
- Colour lost intermittently, excessive flickering and pulls sideways at top.
- Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
- Degaussing does not work on the sides of the picture.
- 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) (OTTOVERSAND - KVE2921D information)
- Audio quality problem intermittently. Intermittent no sound or crackling. (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)
- Colour sometimes normal after start-up, sometimes white, sometimes black and white, sometimes wrong colours.
- Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke. (KVE2921D tips)
- Stuck in PAL.
- All channels drift within 15 mins.
- 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)
- No sound. Video ok. Sound functions well via scart.
- 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.
- No audio. when cold.
- Picture and sound are intermittent; channel number still present. (extract of circuit diagram attached) (KVE2921D OTTOVERSAND repair tip)
- Vertical foldover at top. (picture attached) (KVE2921D tips)
- Switches to next odd number when selecting preset even number (2,4,6, etc.) (without using RC). (picture attached)
- Sound functions only on one side but is distorted. Comes back on both channels but is distorted.
- Bright screen and retrace lines about 2 inches from top. (extract of circuit diagram attached)
- RC units.
- Tuning drifts or unstable.
- Only starts up after several attempts or PSU switches off again.
- Retrace lines. (with circuit diagram extract)
- At switch on picture takes longer than usual to appear (tube unblocking). (extract of circuit diagram attached)
- Ticks 3 times, then no function. (+ extract of circuit diagram)
- Standby LED blinks intermittently after switch on. (with circuit diagram extract)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
- Occasionally no sound in SECAM mode, no problem in PAL.
- Cramping at bottom of screen, width reduction and loss of audio. (with circuit diagram extract) (KVE2921D tips)
- Faulty OSD. (picture attached)
- Tuning drifts. (extract of circuit diagram attached)
- Doesn't store programs. Jumps back to 0.
- Channel drift.
- OSG are black and should be green.
- Intermittent HV flashover at the CRT neck.
- Stations drift off tune or search does not stop. (extract of circuit diagram attached)
- No colour. (KVE2921D tip from OTTOVERSAND)
- No channel storing.
- Strong colours. (extract of circuit diagram attached)
- RC units.
- Picture is poor with flyback lines and pulsing brightness. (part of circuit diagram displayed) (KVE2921D tip from OTTOVERSAND)
- No start-up. when cold. LED blinks . (with circuit diagram extract)
- Picture has green line going down. (with circuit diagram extract)
- IC8170 blows at switch on. (picture 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)
- Poor picture with red line.
- No colour.
- Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
- 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. (part of circuit diagram displayed)
- No driver transistor Q805 command. (extract of circuit diagram attached)
- Stations drift off tune. Programs block.
- Rustle of EHT at switch on then powers down with LED flashing four times. (part of circuit diagram displayed)
- Switches to protection mode. (with circuit diagram extract)
- Standby LED flashes slowly. (with circuit diagram extract)
- Part number info: rear cover.
- Text picture geometry distorted.
- Colour disappears intermittently.
- Squealing noise at switch on with mains switch. Appliance goes in standby. Power LED flashes. (part of circuit diagram displayed)
- RC units.
- Dynamic convergence is out of adjustment.
- Picture only appears approx 2 mins after switch on. Audio OK. (picture attached) (KVE2921D tips)
- Starts up at switch on, red LED flickers then appliance goes dead. (extract of circuit diagram attached)
- Pincushion distortion. (picture attached)
- Red flyback lines. (picture attached)
- Blocked on one programme place and when switching it always goes back. (extract of circuit diagram attached)
- Picture collapses. Sound is cracking. LEDs light up and go out. OSD flickers. (extract of circuit diagram attached)
- No colour. (extract of circuit diagram attached)
- Power supply hiccups. (+ extract of circuit diagram)
- After working ok for a while, interference on picture and sound. Channel display always shows "00". (with circuit diagram extract)
- No audio (after a few minutes). (extract of circuit diagram attached)
- Dark screen. Occasionally no sound. In programming mode light screen with sync fault.
- How to adjust chroma oscillator frequency.
- Intermittent colour.
- No power up. Standby LED flashing with 12 secs intervals. (picture attached)
- Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
- Switches off by itself. at start-up.
- Intermittent loss of colour or colours getting brighter and more saturated as set warms up. (with circuit diagram extract)
- Weird colour patches. (KVE2921D tip from OTTOVERSAND)
- After a few seconds the sound becomes distorted. (picture attached)
- No degaussing.
- Blank raster. (picture attached) (KVE2921D OTTOVERSAND repair tip)
- Horizontal bars when switching channels. Switches off intermittently. Fault may not appear for a long time. (+ extract of circuit diagram)
- Intermittent colour.
- Picture wobbles after switch-on and when OSD is on.
- Starts up 4 times, then no function. (picture attached) (KVE2921D OTTOVERSAND repair tip)
- No function with the RCU. IR receiver functions. IR data reach the microprocessor. RCU functions with another CTV. (extract of circuit diagram attached)
- Power supply voltage is too high. Cannot be adjusted with pot. (picture attached)
- Switches automatically to another channel after approx. 5 min. Preferentially to channel-S2 (112.25 MHz). Intermittently tuner switches to another frequency also. (part of circuit diagram displayed)
- No sound or sound level varies. (extract of circuit diagram attached)
- Horizontally stretched picture.
- Vertical line. in the centre. (+ extract of circuit diagram)
- Intermittently no sound during RF reception. Sound OK via scart.
- Vertical amplitude too low . Bad vertical linearity. Dark picture at bottom. (extract of circuit diagram attached)
- Black horizontal lines in the middle of the picture (possibly at the bottom as well). (+ extract of circuit diagram)
- Switches from each program to C02 after approx 5 mins. It is OK after switch over but fault recurs.
- Tuner adjustment is off tune. Fine tuning does not store information.
- 137V voltage collapses at switch on. (part of circuit diagram displayed)
- Purity error when switching. Purity errors on screen after initial switch on.
- Purple stain on top right-hand side corner.
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode.
- Audio cannot be adjusted.
- Programming the IC-005 SDA2546 (KVE2921D tips)
- PSU transistor fails again after approx 3 mins. (picture attached)
- No start-up. (part of circuit diagram displayed)
- Picture and sound disappear intermittently. On-screen display is disturbed. (picture attached)
- No audio.
- Sub-brightness adjustment.
- RC units.
- Overspread of a colour when warm.
- Part number information. Some versions of the service manual contain a wrong part number for the rear cover.
- OSD constantly visible.
- Left speaker buzzes after approx 30 mins. (part of circuit diagram displayed)
- When volume level is changed it goes to maximum level only. (part of circuit diagram displayed)
- Chopper transistor S/C. (extract of circuit diagram attached)
- Switches to standby. (part of circuit diagram displayed)
- Stores the same station on all channels. Doesn't switch over correctly.
- 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)
- Channel OSG sway intermittently from side to side then set powers down. (with circuit diagram extract)
- Intermittent colour. (KVE2921D tip from OTTOVERSAND)
- Low contrast comes up after while. Flyback lines. (extract of circuit diagram attached)
- No picture. Audio OK . (part of circuit diagram displayed)
- No surround sound from speakers intermittently.
- On screen display is constantly mixed up. Flickering picture and plopping sounds. (picture attached)
- Q602 (2SD1548) blown at start up. (with circuit diagram extract)
- 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.
- Low audio (on the right). (extract of circuit diagram attached) (KVE2921D tips)
- Warped picture after some time. (picture attached) (OTTOVERSAND - KVE2921D information)
- After start-up protective circuit switches on, after several start ups appliance functions. (picture attached)
- Sound goes off. STEREO lights go out and goes into MONO.
- Picture rolls/goes B/W or line twitching at top of screen.
- Only a green streak in the middle of screen. OSD appears on this streak.
- No sound. Picture OK. (service info for OTTOVERSAND -KVE2921D)
- Distorted lines in lower picture third.
- Colour disappears after awhile and picture interference starts. Seems like tuning is drifting. Symptoms do not occur in the repair shops. Voltage on aerial. (KVE2921D tip from OTTOVERSAND)
- No audio.
- OSD flickers, picture disappears after a while. (picture attached)
- Trips 3 times then enters safety mode. (picture attached)
- After a short operation time, screen becomes black without sound or ripples in B/W. (KVE2921D tip from OTTOVERSAND)
- Sporadic interference from loudspeaker.
- Sound occasionally increases to maximum without the sound scale being displayed. (picture attached)
- Intermittently no audio or crashing sound, in particular during mechanical bangs. (service info for OTTOVERSAND -KVE2921D)
- Procedure to initialise Eprom after replacement.
- Sub-brightness adjustment.
- No picture after 5 mins. It bounces twice, then screen becomes dark. Program display is 00. If program is selected again, picture reappears. (+ extract of circuit diagram)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (part of circuit diagram displayed) (KVE2921D tips)
- Intermittently top of screen rolls, loses colour, picture pulses or twitches.
- Noise in picture. at high volume.
- Picture green, with green lines. (with circuit diagram extract)
- Colour fails.
- No satellite reception.
- Doesn't start up with mains switch when cold. Standby LED flashes 4 times. (picture attached)
- Vertical streaks. at top. (with circuit diagram extract)
- Interference on low channels. (+ extract of circuit diagram)
- No sound in aerial mode. Functions via the scart sockets. (picture attached) (KVE2921D tips)
- No colour.
- Switches after switch on immediately to channel site 33. If set is switched on with button 1 on RC, it switches to channel 33.
- Black and white flashes on cassette ext, with Hitachi and Telefunken VCRs, OK on their recordings.
- PSU pumps three times at switch on. Standby LED switches off.
- Spot on right of picture.
- Intermittent colour.
- No OSD. No reception. Black screen. Standby LED flickers every 20 seconds. (picture attached) (OTTOVERSAND - KVE2921D information)
- No picture. when changing channels (intermittently). (picture attached)
- Volume cannot be adjusted, stuck near maximum. (with circuit diagram extract)
- Picture runs through. (extract of circuit diagram attached)
- 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)
- Hum at switch on. Purity spots.
- Hum sound in standby mode.
- Flickering picture. No picture. intermittently. (extract of circuit diagram attached)
- Distorted picture. Interference in picture. (extract of circuit diagram attached)
- HT too high at 175V. (part of circuit diagram displayed) (KVE2921D tip from OTTOVERSAND)
- The screen is black or very dark. (picture attached)
- Tuner drifts off tune and programs block.
- 12V missing on IC608. (part of circuit diagram displayed)
- Flyback lines. Dark picture. after a while. (with circuit diagram extract)
- Blurry picture. (picture attached)
- Intermittent loss of colour in PAL, SECAM OK. (extract of circuit diagram attached) (KVE2921D tips)
- Vertical collapse. (picture attached)
- Buzz on sound in standby. (extract of circuit diagram attached)
- Starts up, red LED flashes twice then goes dead. (extract of circuit diagram attached)
- Picture height too low and rolled-up from the top.
- No audio.
- Vertical output stage bcomes defective after few weeks. (part of circuit diagram displayed)
- Green picture. Black screen. intermittently. Audio and OSD OK .
- No audio. (part of circuit diagram displayed)
- Sound only via AV. No picture. Brightness, colour, control are OK.
- No switch on from standby. Power supply shuts down. (part of circuit diagram displayed)
- OSG sways from side to side. (+ extract of circuit diagram)
- Excessive brightness with retrace lines even when brightness is on minimum. (picture 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. (part of circuit diagram displayed)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
- Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
- Service information. Mcb connecting leads. (with circuit diagram extract)
- No sound in SECAM L.
- Spare part information - Value for R822.
- Power supply starts up and goes then to PROTECT mode. Standby light on. (picture attached)
- Incorrect colours.
- 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)
- Intermittent chroma (digital board).
- No sound at switch on. Sound returns by itself sometimes after 15 mins or sometimes longer after 30 mins.
- PSU ticking. LED flashes 5 times. (+ extract of circuit diagram)
- After start-up audio is quiet but gradualy gets louder and gets normal after a short time.
- Sub colour adjustment.
- HV crackles shortly after switch on, then no function. (with circuit diagram extract) (service info for OTTOVERSAND -KVE2921D)
- No start-up. when cold. (+ extract of circuit diagram)
- OSD fades away. (picture 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)
- Ragged verticals at bottom 2 inches. (extract of circuit diagram attached)
- Grey screen. Retrace lines. after a few seconds. (with circuit diagram extract)
- Intermittent colour.
- Service information. See the bulletin for the circuit of a new B1 board with a new IC310. See also bulletins TV00692 and TV00593.
- Loudspeaker crackle at switch on, no picture content.
- Screen doesn't light up. HF noise from loudspeakers. (part of circuit diagram displayed)
- Sub colour adjustment. (KVE2921D tip from OTTOVERSAND)
- Colour loss.
- Dark screen. Audio OK . (with circuit diagram extract)
- Volume varies. (with circuit diagram extract)
- Sound is missing from right hand channel. (part of circuit diagram displayed)
- Occasionally shift in reception.
- No sound on the French channels. In PAL the sound functions normally.
- No audio. OK via SCART . No picture.
- Sound makes a sizzling noise. (OTTOVERSAND - KVE2921D information)
- Red, green and blue lines at top of screen. (extract of circuit diagram attached)
- Intermittent picture size. (extract of circuit diagram attached) (KVE2921D tip from OTTOVERSAND)
- No picture. No OSD. (+ extract of circuit diagram)
- PSU transistor and fuse 4A are destroyed after 1-3 mins. (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. (part of circuit diagram displayed)
- Programm jumps from 2 to 32 or from 4 to 36 or from 6 to 38 after some time. (KVE2921D tips)
- Vertical lines are bent inwards in the corners of the picture. (extract of circuit diagram attached)
- No colour in Secam or via scart.
- No picture (intermittently).
- Switches to program site 00 after operating for a while.
- Drops out intermittently and switches to another channel and sound crackles. (with circuit diagram extract)
- Irregularity of the sound.
- Purity errors and E/W distortion.
- Bright picture with low contrast and flyback lines, after about 10-15 mins. (service info for OTTOVERSAND -KVE2921D)
- No colour. TXT OK . (OTTOVERSAND - KVE2921D information)
- Pale or distorted picture or black and white picture. (part of circuit diagram displayed)
- Pulsates four times at switch on and then switches to standby.
- No functions. Starts up, then beeps 3 times and shutsdown. (+ extract of circuit diagram)
- RC units.
- Bright bar at top of screen. (with circuit diagram extract)
- Sound cuts out for long moments after operating for approx. 30 mins.
- Lines approx 5cm at the top. (part of circuit diagram displayed)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
- Diminishing power supply. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVE2921D)
- Horizontal lines across screen. Humming. (extract of circuit diagram attached)
- Volume cannot be altered, stuck near maximum. (part of circuit diagram displayed)
- Occasionally varicap tuning shifts. Black picture, no sound, hum.
- Screen remains black or picture is poor. (KVE2921D tip from OTTOVERSAND)
- Appliance must be switched on for 10 minutes before picture appears. (extract of circuit diagram attached)
- Intermittently PSU does not start up. (extract of circuit diagram attached)
- 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)
- No or intermittent start-up. (+ extract of circuit diagram)
- After longer operation colours disappear.
- Dead. (with circuit diagram extract)
- Channel memory loss at switch off. No volume control. Remains on original adjustment. Program OK. Channel tuning OK. (picture attached)
- Display OSD wobbles. Stripes in picture.
- Q602 defective. (extract of circuit diagram attached)
- No picture. (+ extract of circuit diagram)
- Picture is vertically too small and has rounded corners. (with circuit diagram extract)
- RC units.
- Pulsates four times then switches off.
- Flickering colours. Knock sensitive.
- Volume uncontrollable. (extract of circuit diagram attached)
- Yellow, approx 5mm vertical line through the picture. (picture attached)
- Tries to start up. Standby LED flashes three or four times then goes out. After insisting a few times, it eventually starts up. (extract of circuit diagram attached)
- Sound level decreases. OSD shows decrease.
- OSD moves and flashes. Volume level changes spontaneously. (part of circuit diagram displayed)
- Poor colour. One colour missing. Low brightness. (picture attached)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram) (OTTOVERSAND - KVE2921D information)
- Vertical foldover at bottom. Reduced vertical size. (picture attached)
- 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)
- Service information. New B1 board with a new IC310.
- 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.
- Set up nominal values for the picture setting.
- Crackling audio.
- Volume skips to high, can be decreased by RC.
- Poor distorted sound. (part of circuit diagram displayed)
- No colour (intermittently). (with circuit diagram extract)
- Beeps.
- Intermittent colour and picture flashing.
- No or intermittent start-up. Knock sensitive. (extract of circuit diagram attached)
- Sometimes colour disappears. B/W picture.
- Erratic start-up. Standby LED flashes . (part of circuit diagram displayed)
- Pulsates 4 times, then no function. (KVE2921D OTTOVERSAND repair tip)
- 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)
- Cramped at centre, stretched at top and fold over at bottom. (part of circuit diagram displayed)
- Pincushion distortion. at bottom.
- No picture.
- Power supply goes on and switches then on and off rhythmically. Several white streaks on screen for a short while. (picture attached)
- OSD flickers. Speakers whistle. (picture attached)
- FET chopper transistor BUZ91A fails. (extract of circuit diagram attached)
- Line output stage defective. (part of circuit diagram displayed)
- No picture. Sound only via AV. Brightness, colour, control OK. (picture attached)
- Shaking picture. Tearing picture. Distorted picture. (with circuit diagram extract)
- Switch has to be pressed several times to start the appliance. Sound fault. (picture attached)
- No HV. (+ extract of circuit diagram)
- RC units.
- No audio (intermittently).
- Picture is too wide, distorted, goes into safety mode if not adjusted. (part of circuit diagram displayed)
- B1 board change.
- Low audio. Picture OK .
- No audio. No picture. OSD OK. OK via SCART.
- No satellite reception.
- No audio. intermittently. OK after a while . (KVE2921D OTTOVERSAND repair tip)
- Veil and picture oscillation. (+ extract of circuit diagram)
- Wrong colours which are displaced half inch to the right. (part of circuit diagram displayed)
- 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 after switching to a different channel. (part of circuit diagram displayed)
- Picture and sound is intermittent or negative picture. (KVE2921D tips)
- Distorted picture and vertical sync when switching on
- Collapsed verticals. (KVE2921D OTTOVERSAND repair tip)
- Value of capacitor C815.
- Pincushion distortion. on sides. Excessive horizontal size. (with circuit diagram extract) (KVE2921D tips)
- PSU fails. (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 (part of circuit diagram displayed) (KVE2921D tip from OTTOVERSAND)
- Interference in audio.
- PSU IC and PSU transistor defective. (picture attached)
- VOL goes to full blast when when VOL +/- selected, then works OK. (+ extract of circuit diagram)
- Intermittent colour. (+ extract of circuit diagram)
- No SECAM sound. Sound OK in PAL. Picture OK in SECAM and PAL.
- Hum sound in standby mode. (with circuit diagram extract)
- Low audio after start-up. OK after a few minutes.
- Shuts down (intermittently). (picture attached)
- 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.
- Service information. New B1 board with a new IC310.
- No colour in PAL.
- Flickering picture. (part of circuit diagram displayed)
- No reception of band I cable TV. Band III and Band IV ok.
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
- Dark picture with red stripes. Picture is OK after approx 5 mins, but red is missing.
- Excessive horizontal size. E/W fault. (extract of circuit diagram attached)
- PSU pulsates. (picture attached)
- RC units.
- OSD shifts after approx 10 mins then no picture and no sound. (picture attached)
- Picture and sound disappear. (with circuit diagram extract)
- On one channel the volume is at maximum. (picture attached)
- Service information. B1 board with a new IC310.
- General information.
- Poor linearity or geometry. Frame linearity fault. Usually only occurs in sets which are more than two years old. (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.
- Service information. New B1 board with a new IC310.
- How to store medium values for brightness and volume.
- No reception (intermittently). (with circuit diagram extract)
- The STEREO indicator intermittently switches on in mono channels. This is accompanied with rattle/noise from one channel. (KVE2921D tip from OTTOVERSAND)
- Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
- Slight top foldover plus 6 faint flyback lines (2 red, 2 green, 2 blue). (+ extract of circuit diagram)
- Poor sound as if in mute. (+ extract of circuit diagram)
- E/W fault.
- Only channels 59 and AV present; audio is set to maximum. (part of circuit diagram displayed)
- Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
- Intermittently programmes change.
- Sound disappears then returns. Picture is normal. (KVE2921D OTTOVERSAND repair tip)
- No RC functions. intermittently.
- Picture sometimes becomes slanted with underlining. (part of circuit diagram displayed)
- The white balance varies when changing the colour intensity. (picture attached) (KVE2921D tip from OTTOVERSAND)
- Picture becomes intermittently B/W.
- 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 attached) (KVE2921D OTTOVERSAND repair tip)
- Volume cannot be turned down, jumps back to approx 70 %.
- No colour (after a few minutes). (+ extract of circuit diagram)
- Dark picture with on-screen display, no sound. Videotext is OK. (part of circuit diagram displayed)
- Sound only briefly present, then only mute.
- Signal loss on all channels with red or blue lines. Bright dots on screen. Occasionally picture is OK but with no colours at all.
- Switches to video input if a VCR is connected via scart and VCR is switched to standby. (with circuit diagram extract)
- Adjustment of station logos.
- No audio. (extract of circuit diagram attached)
- Vague horizontal bars and picture takes a long time to appear. Noise in the start up speaker. (picture attached)
- 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)
- TV unit cannot be tuned to any station anymore.
- Fine stripes in upper quarter of picture. (picture attached)
- No colour. after warm-up.
- At switch on pulsates 3 times. (part of circuit diagram displayed)
- Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
- Pumps, starts after several attempts. Picture and sound OK.
- Poor vertical linearity (stretched at the top, collapsed at the bottom). (with circuit diagram extract)
- Horizontal lines from top to bottom on screen. (with circuit diagram extract)
- Power supply chopper transistor 2SD1548 S/C. (extract of circuit diagram attached)
- Flashing horizontal black lines. Occasionally appliance may function OK. (+ extract of circuit diagram)
- No colour. after a while. Interference in picture.
- Mono/stereo identification problem in stereo (pal B/G) transmission reception. (with circuit diagram extract) (service info for OTTOVERSAND -KVE2921D)
- Colour disappears occasionally. Picture is then black and white and curdled.
- Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
- How to adjust beat zero.
- Unstable volume. (+ extract of circuit diagram)
- The picture flickers from colour to black-and -white very frequently.
If OTTOVERSAND KVE2921D fails, this information will help you. Here you can only see the symptom list, to access remedies, you must register. With help of this list a solution is found often when OTTOVERSAND KVE2921D fails.
|
Additionally to repairtips or service information KVE2921D is linked to 259 components (IC's and/or transformers) in the Tectra
database, through which you can identify electrical compatibilities (crossreferences) in
appliances.
|
Chassis information is available (which chassis is built in into KVE2921D ).
EURAS system also knows 286 appliances having the same chassis as KVE2921D and can easily list them.
In the repair discussion pinboard for KVE2921D there are 91 replies to questions asked about 32 different repair problems. With access to EURAS you can all read them or enter your own questions and get help for KVE2921D from EURAS technicians or other users.
Do you want to see this remedies/cures for repairtips? Register here for the EURAS System Please note: access to the EURAS System can be granted only to professional
TV/household electronics repair shops/technicians/Video which are
authorized for service by a manufacturer, or can prove to be professionally
certified to do repairs on electronic appliances. You will be asked for a
statement and information accordingly during registration.
If you do not qualify as stated above and you have an appliance that needs
technical service, we do recommend you to contact the manufacturer (for
example through his website) or go to a professional Video/TV/household
electronics repair shop close to you.
Already registered? open KVE2921D OTTOVERSAND in EURAS
All details on the EURAS System: English |
Deutsch |
Français |
Italiano |
Español |
Magyarul |
Português |
Polski |
Română |
Greek |
Back to EURAS Homepage >>
All manufacturers >>
OTTOVERSAND
tech tips
Last updated: 05. Nov 2009 13:28:59 MET, doccode ISO9002AS168EKA200805C [cachelite] EURASMOP
Responsible for the content: EURAS International GmbH, Eime, Germany.
All brand- or productnames are copyrighted by the respective manufacturer of the appliance and are only being used for identification purposes.
|
|