KVE2521D / OTTOVERSAND [TV]

• Loss of colour when switching channels when warm. (with circuit diagram extract)
• No colour. TXT OK .
• On one channel the volume is at maximum. (picture attached)
• No sound or sound level varies. (with circuit diagram extract)
• No picture. Standby LED does not light.
• No start-up. when cold. LED blinks . (part of circuit diagram displayed)
• No sound at switch on. Sound returns by itself sometimes after 15 mins or sometimes longer after 30 mins.
• Pumps, starts after several attempts. Picture and sound OK. (KVE2521D tip from OTTOVERSAND)
• When the Volume+ bargraph display is adjusted, it jumps up and down. (with circuit diagram extract)
• No satellite reception.
• Programming the IC-005 SDA2546
• Attempts to start up three times, then switches to protection mode.
• No switch on from standby. Power supply shuts down. (+ extract of circuit diagram)
• OSD flickers, picture disappears after a while. (picture attached)
• No operation (intermittently). (part of circuit diagram displayed)
• Stations drift off tune. Programs block.
• Occasionally sound dropout on tuner/IF board: breaks are very rare (only once in the workshop) and impossible to localise component at fault.
• No switch on and red light on. 140V present. No input signal on line transistor base. (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)
• Sound crackles with OSD flashing. (+ extract of circuit diagram)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Channel number flickers between two numbers. (extract of circuit diagram attached) (KVE2521D tip from OTTOVERSAND)
• Poor linearity. at top. (extract of circuit diagram attached)
• Switches to video input if a VCR is connected via scart and VCR is switched to standby. (+ extract of circuit diagram)
• Crackling audio. intermittently.
• Bright bar at top of screen. (extract of circuit diagram attached)
• Channel memory loss at switch off. No volume control. Remains on original adjustment. Program OK. Channel tuning OK. (with circuit diagram extract)
• Picture size incorrect. Change in size of raster. (+ extract of circuit diagram)
• Poor picture. Flyback lines. (picture attached)
• No colour after 10 mins operation.
• No start-up. after warm-up.
• Picture and sound are intermittent; channel number still present. (with circuit diagram extract)
• Switches to standby (after start-up). (part of circuit diagram displayed)
• Picture runs through. (with circuit diagram extract)
• Service information. B1 board with a new IC310.
• PSU switches 4 times, then no function. (KVE2521D OTTOVERSAND repair tip)
• OSD constantly visible.
• Unstable volume. (extract of circuit diagram attached)
• Intermittently microprocessor locks up with parental lock displayed. No signals. (part of circuit diagram displayed)
• Switches after switch on immediately to channel site 33. If set is switched on with button 1 on RC, it switches to channel 33.
• TV unit cannot be tuned to any station anymore.
• Pincushion distortion. at bottom.
• Low audio (on the right). (extract of circuit diagram attached)
• Horizontal line. (+ extract of circuit diagram)
• Dark screen. Audio OK . (+ extract of circuit diagram)
• Horizontal white line. (picture attached)
• Interference in audio.
• Horizontal lines across screen. Humming. (part of circuit diagram displayed)
• Intermittent loss of colour in PAL, SECAM OK. (with circuit diagram extract)
• Stored stations shift in fine tuning. At direct channel input station is stable.
• No or intermittent start-up. (with circuit diagram extract)
• OSD shifts after approx 10 mins then no picture and no sound. (picture attached) (KVE2521D OTTOVERSAND repair tip)
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• After a while skips to another program station at random. (+ extract of circuit diagram)
• No audio. intermittently. OK after a while .
• No power up. Standby LED flashing with 12 secs intervals. (picture attached)
• No channel storing.
• Dead. Standby LED lights, protective circuit starts up.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• After a flash goes back to channel 0. OSD displays VIDEO 00. (picture attached)
• Colour disappears occasionally. Picture is then black and white and curdled. (KVE2521D tip from OTTOVERSAND)
• Black screen. intermittently. (part of circuit diagram displayed)
• Intermittent colour.
• Red picture. Flyback lines. Trips.
• No colour. after warm-up. (KVE2521D OTTOVERSAND repair tip)
• No RC functions. (picture attached)
• Tuner drifts off tune and programs block.
• Odd colour patches
• Channels drift and go back to 00. (picture attached)
• Shaking picture. Tearing picture. Distorted picture. (part of circuit diagram displayed)
• Line output stage defective. (picture attached)
• Channels change at random.
• No functions. Starts up, then beeps 3 times and shutsdown. (part of circuit diagram displayed)
• Picture and sound disappear. (with circuit diagram extract)
• PSU fails. (part of circuit diagram displayed)
• Intermittent colour.
• 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. (picture attached) (service info for OTTOVERSAND -KVE2521D)
• Switches to standby (intermittently). (picture attached)
• Display OSD wobbles. Stripes in picture.
• Pulsating picture. Distorted picture. (KVE2521D OTTOVERSAND repair tip)
• No colour (intermittently). (+ extract of circuit diagram)
• No audio. Picture OK .
• Sound goes off. STEREO lights go out and goes into MONO.
• Intermittently no audio or crashing sound, in particular during mechanical bangs.
• Part number information. Some versions of the service manual contain a wrong part number for the rear cover.
• Picture compressed in the centre. Black band at the bottom of the screen. (picture attached)
• Picture appears slowly. (picture attached)
• PSU transistor fails again after approx 3 mins. (part of circuit diagram displayed)
• RC units.
• No sound in aerial mode. Functions via the scart sockets. (part of circuit diagram displayed)
• Crackling audio.
• 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. (with circuit diagram extract)
• Black and white flashes on cassette ext, with Hitachi and Telefunken VCRs, OK on their recordings.
• Tuning drifts.
• Hum sound in standby mode. (picture attached)
• Switches automatically back to program 1 or 00.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• Diminishing power supply. (part of circuit diagram displayed)
• Degaussing does not work on the sides of the picture.
• Switches on. Signs on the screen, green bar and sound dropout. (part of circuit diagram displayed)
• No reception of band I cable TV. Band III and Band IV ok.
• Left speaker buzzes after approx 30 mins. (picture attached)
• Intermittent picture size. (with circuit diagram extract)
• Set up nominal values for the picture setting.
• Intermittently stops. (extract of circuit diagram attached)
• Service information. New B1 board with a new IC310.
• Faulty OSD. (with circuit diagram extract)
• Picture collapses. Sound is cracking. LEDs light up and go out. OSD flickers. (extract of circuit diagram attached)
• Horizontally stretched picture.
• No picture. when changing channels (intermittently). (with circuit diagram extract)
• Black screen. No RC functions. (picture attached)
• Colour disappears after awhile and picture interference starts. Seems like tuning is drifting. Symptoms do not occur in the repair shops. Voltage on aerial.
• Spot on right of picture. (service info for OTTOVERSAND -KVE2521D)
• Volume skips to high, can be decreased by RC.
• No audio (after a few minutes). (with circuit diagram extract)
• Yellow, approx 5mm vertical line through the picture. (part of circuit diagram displayed) (KVE2521D tips)
• Vertical collapse. (part of circuit diagram displayed)
• Crackling noise. Flash-over at switch on. (service info for OTTOVERSAND -KVE2521D)
• General information. (OTTOVERSAND - KVE2521D information)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Picture flickers and breaks down (wobbles).
• Loss of colours after switching appliance on again 5 mins after it has played for an hour. Colours OK when not switched off.
• No functions. (with circuit diagram extract)
• Rhythmical ticking after start-up. (with circuit diagram extract) (OTTOVERSAND - KVE2521D information)
• 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)
• Only starts up after several attempts or PSU switches off again.
• RC units.
• Power supply chopper transistor 2SD1548 S/C. (extract of circuit diagram 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 height too low and rolled-up from the top.
• Cramped at centre, stretched at top and fold over at bottom. (with circuit diagram extract) (KVE2521D tip from OTTOVERSAND)
• Red, green and blue lines at top of screen. (extract of circuit diagram attached)
• Adjustment of station logos.
• Sound only via AV. No picture. Brightness, colour, control are OK.
• Vertical line. (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)
• Bright screen and retrace lines about 2 inches from top. (extract of circuit diagram attached)
• Picture width twitching. Poor E/W. (with circuit diagram extract)
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• Red flyback lines. (extract of circuit diagram attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (part of circuit diagram displayed)
• Attempts to start up but remains unstable. Clicking noise from chopper. LED switches on at the same rythm.
• RC units.
• Blocked on one programme place and when switching it always goes back. (picture attached)
• No sound. Picture OK.
• How to adjust beat zero.
• 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)
• After longer operation colours disappear.
• Retrace lines. after warm-up. (picture attached)
• Switching transistor and mains fuse fail repeatedly. (picture attached)
• Low audio after start-up. OK after a few minutes.
• 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. (OTTOVERSAND - KVE2521D information)
• Flickering picture. No picture. intermittently. (with circuit diagram extract)
• Switches from each program to C02 after approx 5 mins. It is OK after switch over but fault recurs.
• Picture sometimes becomes slanted with underlining. (+ extract of circuit diagram)
• Interference on low channels. (picture attached)
• Volume cannot be adjusted, stuck near maximum. (with circuit diagram extract)
• TXT doesn't function. Greenish background.
• Intermittent normal, b/w or wrong colours (multi norm!).
• Intermittently PSU does not start up. (+ extract of circuit diagram)
• No RC functions. intermittently. (OTTOVERSAND - KVE2521D information)
• Strong noises from demagnetizing coil after plug has been pulled out. (extract of circuit diagram attached)
• Tuning drifts or unstable.
• No audio. (picture attached)
• Flickering picture. (extract of circuit diagram attached)
• 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.
• Dead. No standby. Switches 3x quietly. (+ extract of circuit diagram)
• Sound makes a sizzling noise.
• 137V voltage collapses at switch on. (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
• OSD flickers. Intermittently buzzing sound. (part of circuit diagram displayed)
• No colour. intermittently. Flickering picture.
• Brief start up of power supply. Standby LED then flashes 4 times. (picture attached)
• Fine stripes in upper quarter of picture. (part of circuit diagram displayed)
• Dead (intermittently). (part of circuit diagram displayed)
• Occasionally appliance cannot be switched on from the mains switch. (+ extract of circuit diagram)
• Intermittent colour (after warm-up).
• Black horizontal lines in the middle of the picture (possibly at the bottom as well). (extract of circuit diagram attached)
• White or RGB stripes on the upper part of picture. (with circuit diagram extract) (KVE2521D tips)
• Pulsates four times at switch on and then switches to standby.
• Switch has to be pressed several times to start the appliance. Sound fault. (+ extract of circuit diagram)
• Sub-brightness adjustment.
• Channel OSG sway intermittently from side to side then set powers down. (extract of circuit diagram attached)
• No tuning immediately after start up or channel dropout faults.
• Vertical streaks. at top. (part of circuit diagram displayed)
• Poor colour. One colour missing. Low brightness. (+ extract of circuit diagram)
• Black and white picture with strobe effect. (with circuit diagram extract)
• Drops out intermittently and switches to another channel and sound crackles. (extract of circuit diagram attached) (OTTOVERSAND - KVE2521D information)
• Intermittent colour. (part of circuit diagram displayed)
• Poor linearity or geometry. Frame linearity fault. Usually only occurs in sets which are more than two years old. (picture attached)
• Sporadic interference from loudspeaker.
• No start-up. (picture attached)
• Volume cannot be altered, stuck near maximum. (extract of circuit diagram attached)
• Occasionally picture and sound disappear (go out of tune), mainly a short time after switch on, if appliance is cold. (KVE2521D 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.
• No HV. (with circuit diagram extract)
• Doesn't store programs. Jumps back to 0. (OTTOVERSAND - KVE2521D information)
• No picture. Audio OK . (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• Standby LED flashes slowly. (part of circuit diagram displayed)
• If a program is selected,appliance switches to and fro between selected program and 00, sometimes several times per sec. Picture temporarily OK. (part of circuit diagram displayed)
• Programm jumps from 2 to 32 or from 4 to 36 or from 6 to 38 after some time.
• Pincushion distortion. (with circuit diagram extract)
• Cycles on/off. (extract of circuit diagram attached)
• Vertical line. in the centre. (with circuit diagram extract)
• Frizzy picture width which is not constant. (+ extract of circuit diagram)
• PSU transistor and fuse 4A are destroyed after 1-3 mins. (picture attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (part of circuit diagram displayed) (KVE2521D OTTOVERSAND repair tip)
• No start-up. intermittently. (extract of circuit diagram attached)
• Hiccups 4 times and then fails (in cold condition). (picture attached)
• No channel storing. (extract of circuit diagram attached)
• Switches to protection mode. after start-up.
• Sound goes to maximum when adjusted. (with circuit diagram extract)
• Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
• Stuck in standby. (picture attached)
• First full volume on operating volume - or + keys. Then volume can be adjusted to normal.
• No start-up. after lightning strike. (extract of circuit diagram attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVE2521D)
• White horizontal lines across top of picture.
• Drifts in frequency. Channel change ok, locks on the correct frequency. (part of circuit diagram displayed)
• Slight top foldover plus 6 faint flyback lines (2 red, 2 green, 2 blue). (+ extract of circuit diagram)
• Purity error when switching. Purity errors on screen after initial switch on.
• No colour via aerial or scart.
• Sound only briefly present, then only mute. (KVE2521D tips)
• Dim picture. Excessive brightness. (+ extract of circuit diagram) (OTTOVERSAND - KVE2521D information)
• Excessive brightness with retrace lines even when brightness is on minimum. (with circuit diagram extract) (KVE2521D tip from OTTOVERSAND)
• No picture. No sound. No keyboard and RC functions. LED blinks every 5 seconds.
• Crackling audio. intermittently.
• Service information. New B1 board with a new IC310.
• Starts 4 times and then turns OFF. (with circuit diagram extract)
• Starts up three times then switches off. (extract of circuit diagram attached)
• No reception when cold.
• Service information. New B1 board with a new IC310.
• Picture disappears intermittently with strong noise from FBT. Screen remains black and impossible to switch over channels. OSD remains stuck.
• No tuning. (OTTOVERSAND - KVE2521D information)
• Sound is missing from right hand channel. (part of circuit diagram displayed)
• No colour. (with circuit diagram extract)
• 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. (extract of circuit diagram attached) (service info for OTTOVERSAND -KVE2521D)
• Dark picture with on-screen display, no sound. Videotext is OK. (+ extract of circuit diagram) (OTTOVERSAND - KVE2521D information)
• When volume level is changed it goes to maximum level only. (picture attached)
• Only channels 59 and AV present; audio is set to maximum. (with circuit diagram extract)
• Power supply voltage is too high. Cannot be adjusted with pot. (part of circuit diagram displayed)
• Stations drift off tune or search does not stop. (with circuit diagram extract)
• Picture on left side is concaved. (with circuit diagram extract)
• Colour cuts out (knock sensitive).
• No subtitles with the "Subtitles for the hard of hearing" decoder. (picture attached) (OTTOVERSAND - KVE2521D information)
• E/W fault.
• No picture. No audio. after a while. (extract of circuit diagram attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Distorted audio. The speaker cabinet vibrates.
• Picture disappears after short operation. OSD oscillates. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVE2521D)
• Retrace lines. (with circuit diagram extract)
• Adjustment after replacement of trimmer or crystal.
• FET chopper transistor BUZ91A fails. (extract of circuit diagram attached)
• Deflection fault, distortion and picture oscillation at bottom of screen. (with circuit diagram extract)
• CATV interference. (part of circuit diagram displayed)
• Stations disappear and reappear every 3 secs on all 30 cable programs.
• OSG are black and should be green.
• Tuner IF fails. Picture is red then black. (with circuit diagram extract)
• Audio fault in tuner mode but OK via both scarts. It begins on Canal Plus, satellite decoder or VCR: sound takes 20 mins to appear when reentering channel mode. Then, no sound in HF mode.
• Service information. B1 board with a new IC310.
• Sound increases by itself.
• Flyback lines. at top. (part of circuit diagram displayed)
• RC units.
• Switches on twice for a short time switches off. (KVE2521D tip from OTTOVERSAND)
• Volume increases automatically. (service info for OTTOVERSAND -KVE2521D)
• Blurry picture. (picture attached) (service info for OTTOVERSAND -KVE2521D)
• Loudspeaker crackle at switch on, no picture content.
• The STEREO indicator intermittently switches on in mono channels. This is accompanied with rattle/noise from one channel.
• 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 info for OTTOVERSAND -KVE2521D)
• Service information. New B1 board with a new IC310.
• No satellite reception.
• RC units.
• No switch on from standby. The TV will not come on from standby but the standby LED is lit. 21" and 25" sets only. (with circuit diagram extract)
• 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)
• OSD moves and flashes. Volume level changes spontaneously. (+ extract of circuit diagram)
• No TXT. (part of circuit diagram displayed)
• Contrast too low in certain mode. A dark picture is displayed in the rgb mode. (extract of circuit diagram attached)
• Purity errors and E/W distortion.
• No power supply. Rattle for a few seconds. (with circuit diagram extract)
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Doesn't start up with mains switch when cold. Standby LED flashes 4 times. (+ extract of circuit diagram)
• Overspread of a colour when warm.
• The white balance varies when changing the colour intensity. (extract of circuit diagram attached)
• Slow start-up. (part of circuit diagram displayed)
• Sound functions only on one side but is distorted. Comes back on both channels but is distorted.
• Pincushion distortion. on sides. Excessive horizontal size. (extract of circuit diagram attached)
• Noise from loud-speaker.
• Service information. New B1 board with a new IC310.
• RC units.
• Switches to next odd number when selecting preset even number (2,4,6, etc.) (without using RC). (with circuit diagram extract)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• Flyback lines. Dark picture. after a while. (+ extract of circuit diagram)
• Stuck in PAL.
• Weird colour patches.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• Picture rolls/goes B/W or line twitching at top of screen.
• No colour.
• Intermittently picture collapses and blanks out.
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Intermittent colour.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Intermittently top of screen rolls, loses colour, picture pulses or twitches.
• Warped picture after some time. (picture attached)
• Intermittent symptoms - picture rolls, goes black and white with pulsing, or line twitching occurs at the top of the picture.
• 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)
• Stores the same station on all channels. Doesn't switch over correctly.
• Poor distorted sound. (+ extract of circuit diagram)
• Part number info: rear cover.
• Flashing horizontal black lines. Occasionally appliance may function OK. (with circuit diagram extract)
• When connecting TV in cold conditions, picture flickers. Knock sensitive fault. (extract of circuit diagram attached)
• Veil and picture oscillation. (part of circuit diagram displayed)
• No reception (intermittently). (part of circuit diagram displayed)
• Poor colour. TXT is OK. (extract of circuit diagram attached)
• Flickering colours. Knock sensitive.
• No channel storing.
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• HT too high at 175V. (picture attached)
• Tuning drifts. (picture attached)
• Q602 (2SD1548) blown at start up. (extract of circuit diagram attached)
• Attempts to start up once, gives three pulses and then goes into safety mode.
• PSU pumps three times at switch on. Standby LED switches off.
• OSG jitters, audio crackles and loss of colour.
• Channel drift.
• How to adjust chroma oscillator frequency.
• After about ten minutes, the sound and picture would disappear, leaving a raster with an unlocked display and no colour.
• Erratic start-up. Standby LED flashes . (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.
• No picture after 5 mins. It bounces twice, then screen becomes dark. Program display is 00. If program is selected again, picture reappears. (picture attached) (KVE2521D OTTOVERSAND repair tip)
• Text picture geometry distorted.
• Ticks 3 times, then no function. (extract of circuit diagram attached)
• Blank raster. (with circuit diagram extract)
• Picture is too wide and fails when warm. (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. (extract of circuit diagram attached)
• Service information. New B1 board with a new IC310.
• No functions on RC. Noisy sound. (with circuit diagram extract) (KVE2521D tips)
• Distorted or no audio. via tuner. OK via SCART . (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 -KVE2521D)
• No picture (intermittently). (service info for OTTOVERSAND -KVE2521D)
• Dead. (+ extract of circuit diagram)
• 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)
• Sound cuts out for long moments after operating for approx. 30 mins.
• No reception. (extract of circuit diagram attached)
• No picture. (picture attached)
• Mono/stereo identification problem in stereo (pal B/G) transmission reception. (part of circuit diagram displayed)
• No or intermittent start-up. Knock sensitive. (extract of circuit diagram attached)
• VOL goes to full blast when when VOL +/- selected, then works OK. (extract of circuit diagram attached)
• Tuning drifts. intermittently.
• Poor sound as if in mute. (part of circuit diagram displayed) (KVE2521D tips)
• Reduced vertical and horizontal size. Low audio. (with circuit diagram extract)
• Colour loss.
• 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 start-up. when cold. (extract of circuit diagram attached)
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• Switches off by itself. at start-up.
• Dark screen. Occasionally no sound. In programming mode light screen with sync fault.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode.
• Program number OSD is permanently displayed. (extract of circuit diagram attached) (KVE2521D tips)
• RC units. (KVE2521D tip from OTTOVERSAND)
• Sub colour adjustment.
• Power supply hiccups. (picture attached)
• Volume varies. (+ extract of circuit diagram)
• RC units.
• Distorted picture and vertical sync when switching on
• Wrong colours which are displaced half inch to the right. (+ extract of circuit diagram)
• Black screen. Audio OK . (picture attached)
• Starts up 4 times, then no function. (with circuit diagram extract)
• Does not store stations.
• Poor picture with red line.
• On screen display is constantly mixed up. Flickering picture and plopping sounds. (+ extract of circuit diagram)
• Colour disappears 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.
• Audio fades. intermittently.
• Horizontal bars when switching channels. Switches off intermittently. Fault may not appear for a long time. (part of circuit diagram displayed) (KVE2521D OTTOVERSAND repair tip)
• No colour. after a while. Interference in picture.
• Picture distorted and reduced. Picture becomes longer when hot. (part of circuit diagram displayed)
• Picture and sound drop intermittently out. Only green programme display in picture. (part of circuit diagram displayed)
• Cannot go to standby even after a few attempts to switch ON. (with circuit diagram extract)
• Intermittent 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.
• Channels change to 1. (+ extract of circuit diagram)
• No RC functions or OSD. Intermittent colour, then intermittent video. (part of circuit diagram displayed)
• Intermittent chroma (digital board).
• There are 2 chassis for this model: AE1-B and AE1-C.
• 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. (+ extract of circuit diagram)
• Black/white picture at times or stripes in picture.
• Pulsates four times then switches off.
• After a few seconds the sound becomes distorted. (part of circuit diagram displayed)
• A space between the tube and the cabinet may be visible.
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• After a short operation time, screen becomes black without sound or ripples in B/W. (KVE2521D OTTOVERSAND repair tip)
• Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached)
• Sometimes colour disappears. B/W picture.
• Value of C817 capacitor.
• No audio.
• Vertical deflection fails or only vertical lines are visible. (with circuit diagram extract)
• Loss of picture. Picture shows flashes.
• HV crackles shortly after switch on, then no function. (with circuit diagram extract)
• No raster. Audio OK . (with circuit diagram extract)
• No colour (intermittently).
• +B voltage can not be adjusted. (extract of circuit diagram attached)
• Poor vertical linearity (stretched at the top, collapsed at the bottom). (+ extract of circuit diagram) (service info for OTTOVERSAND -KVE2521D)
• Starts up, red LED flashes twice then goes dead. (with circuit diagram extract)
• Switches to program site 00 after operating for a while.
• 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 colour. via SCART. (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. (KVE2521D tip from OTTOVERSAND)
• Intermittent colour. (with circuit diagram extract)
• Picture is poor with flyback lines and pulsing brightness. (part of circuit diagram displayed)
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (extract of circuit diagram attached)
• Dynamic convergence is out of adjustment. (KVE2521D tip from OTTOVERSAND)
• Slow start-up. when cold. (extract of circuit diagram attached)
• IC8170 blows at switch on. (+ extract of circuit diagram)
• Irregularity of the sound.
• AFC does not function.
• Volume goes automatically to max. after short run length. Volume can be turned down. But after a short while it is on max. again.
• Appliance must be switched on for 10 minutes before picture appears. (+ extract of circuit diagram)
• No picture. No OSD. (picture attached)
• Severe hum in standby on left channel. OK in standard mode. (picture attached)
• Sound occasionally increases to maximum without the sound scale being displayed. (+ extract of circuit diagram)
• Excessive horizontal size. E/W fault. (picture attached)
• Audio crackles, OSG jitters and loss of colour.
• The picture flickers from colour to black-and -white very frequently. (KVE2521D tip from OTTOVERSAND)
• White horizontal lines in picture. Broad lines when cold. Thin lines when warm, or no lines. (+ extract of circuit diagram)
• Hum at switch on. Purity spots.
• Intermittent loss of colour or colours getting brighter and more saturated as set warms up. (picture attached)
• Intermittent HV flashover at the CRT neck. (KVE2521D tip from OTTOVERSAND)
• Green picture. Black screen. intermittently. Audio and OSD OK .
• Beeps.
• No picture. Sound only via AV. Brightness, colour, control OK. (picture attached)
• Trips 3 times then enters safety mode. (part of circuit diagram displayed)
• RC units.
• Q602 (2SD1548) blows at start up and fuse blows. (extract of circuit diagram attached)
• Insufficient height and cramping at centre of screen. (picture attached)
• Picture becomes intermittently B/W.
• No degaussing.
• OSD and picture noisy. (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. (KVE2521D OTTOVERSAND repair tip)
• 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.
• Chopper transistor S/C. (extract of circuit diagram attached) (service info for OTTOVERSAND -KVE2521D)
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• 12V missing on IC608. (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)
• RC units.
• Volume level decreases. OSD OK.
• Appliance blows circuit protectors PS601 and PS602.
• Picture and sound is intermittent or negative picture. (KVE2521D tips)
• RC units.
• No sound on the French channels. In PAL the sound functions normally.
• +B too low, can only be adjusted from 90V to 120V (picture attached)
• Pulsates 4 times on start up from mains and then switches off. No standby display. (part of circuit diagram displayed)
• Occasionally shift in reception. (KVE2521D OTTOVERSAND repair tip)
• Switches to protection mode. (with circuit diagram extract) (service info for OTTOVERSAND -KVE2521D)
• No audio. No picture. OSD OK. OK via SCART.
• Colour sometimes normal after start-up, sometimes white, sometimes black and white, sometimes wrong colours. (KVE2521D OTTOVERSAND repair tip)
• Vertical foldover at bottom. Reduced vertical size. (+ extract of circuit diagram)
• Dark picture is lower third, upper third folded down. (extract of circuit diagram 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.
• OSD flickers. Speakers whistle. (with circuit diagram extract)
• Mechanical screeching, whistling, chirping from HV unit. (+ extract of circuit diagram)
• Bright picture with low contrast and flyback lines, after about 10-15 mins.
• Black screen. No display. (extract of circuit diagram attached) (KVE2521D tip from OTTOVERSAND)
• Distorted frame. (with circuit diagram extract)
• Vertical output stage bcomes defective after few weeks. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVE2521D)
• Only a green streak in the middle of screen. OSD appears on this streak.
• No colour. (OTTOVERSAND - KVE2521D information)
• Jumps from program site 2 to 00, jumps to and fro, then stays on program 00. (picture attached)
• Spare part information - Value for R822.
• Wrong colours at sides.
• Picture has green line going down. (part of circuit diagram displayed)
• Tuning drifts. intermittently.
• 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)
• Squealing noise at switch on with mains switch. Appliance goes in standby. Power LED flashes. (extract of circuit diagram attached)
• No start-up. LED blinks . (extract of circuit diagram attached)
• Colour bleeding. Weak colours.
• Intermittent NICAM STEREO. (KVE2521D tips)
• Pulsates 4 times, then no function.
• Switches immediately to program 0 at switch on. Impossible to change. (with circuit diagram extract)
• No audio.
• No OSD. No reception. Black screen. Standby LED flickers every 20 seconds. (with circuit diagram extract)
• No driver transistor Q805 command. (with circuit diagram extract)
• No audio. (picture attached) (KVE2521D OTTOVERSAND repair tip)
• No colour in Secam or via scart.
• Screen remains black or picture is poor.
• No vertical synchronisation on bright picture content via scart.
• Incorrect colour and spots on white background. (KVE2521D OTTOVERSAND repair tip)
• Purple stain on top right-hand side corner.
• Vertical foldover at top. (extract of circuit diagram attached)
• Service information. Mcb connecting leads. (extract of circuit diagram attached)
• Sub colour adjustment.
• Green purity smear at upper left coin and purple purity smear at upper right corner.
• Service information. See the bulletin for the circuit of a new B1 board with a new IC310. See also bulletins TV00692 and TV00593.
• Intermittent colour.
• All channels drift within 15 mins.
• Collapsed verticals. (KVE2521D tips)
• Audio quality problem intermittently. Intermittent no sound or crackling. (picture attached) (KVE2521D tips)
• Sound increases suddenly up to max. Power supply problem in reception, even without touching the RC. PB is normal.
• No raster. (part of circuit diagram displayed)
• Starts up at switch on, red LED flickers then appliance goes dead. (picture attached)
• Intermittent colour and picture flashing.
• Picture green, with green lines. (with circuit diagram extract)
• Procedure to initialise Eprom after replacement.
• Q602 defective. (part of circuit diagram displayed)
• Buzz on sound in standby. (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)
• Picture too big. Switches off by itself. (+ extract of circuit diagram)
• Stuck in Canal Plus. (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.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Screen doesn't light up. HF noise from loudspeakers. (picture attached)
• Varicap adjustment (tuning) shifts intermittently. (OTTOVERSAND - KVE2521D information)
• Volume cannot be turned down, jumps back to approx 70 %.
• Black hum bar type effect for first few secs after channel change. (+ extract of circuit diagram)
• Hum sound in standby mode.
• Flashing picture. Applicable to sets which have a new B1 board without a screening can. See also bulletin TV00692. (extract of circuit diagram attached)
• Ragged verticals at bottom 2 inches. (part of circuit diagram displayed) (KVE2521D tips)
• Service information. B1 board with a new IC310.
• Crackling audio. when cold. Knock sensitive. (with circuit diagram extract)
• Intermittent or no colour.
• Does not switch to standby correctly, it can be started again only by control on appliance. (extract of circuit diagram attached)
• No audio. OK via SCART . No picture.
• Intermittently right side of the picture only has incorrect colour. (extract of circuit diagram attached) (KVE2521D tips)
• Lines in picture. (extract of circuit diagram attached)
• Tripping. (extract of circuit diagram attached)
• Tuner adjustment is off tune. Fine tuning does not store information.
• Service information. New B1 board with a new IC310.
• General information.
• Low contrast comes up after while. Flyback lines. (part of circuit diagram displayed)
• RC units.
• No start-up from standby with RC. (KVE2521D 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)
• Shuts down. (+ extract of circuit diagram)
• No function with the RCU. IR receiver functions. IR data reach the microprocessor. RCU functions with another CTV. (picture attached)
• Colour fails when warm.
• Poor colour reproduction. Brightness adjustment doesn't function. (+ extract of circuit diagram)
• Intermittently programmes change.
• Horizontal lines from top to bottom on screen. (extract of circuit diagram attached)
• Horizontal lines. (extract of circuit diagram attached)
• OSG sways from side to side. (extract of circuit diagram attached)
• Distorted lines in lower picture third.
• Sub-brightness adjustment. (OTTOVERSAND - KVE2521D information)
• Switches to standby. (with circuit diagram extract)
• Service information. Original tuner (SUF944PLL) is replaced by tuner U944C. Only for UK models. (picture attached)
• Rustle of EHT at switch on then powers down with LED flashing four times. (extract of circuit diagram attached)
• Intermittently switch to PR00. (picture attached)
• Sound level decreases. OSD shows decrease.
• No sound in SECAM or intermittent sound.
• Audio cannot be adjusted.
• Reduced vertical size. Poor vertical linearity. (extract of circuit diagram 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.
• No colour in PAL.
• Error codes. (with circuit diagram extract)
• No colour (after a few minutes). (+ extract of circuit diagram)
• Intermittent colour.
• Noise in picture. at high volume.
• No colour. (service info for OTTOVERSAND -KVE2521D)
• Dark picture with red stripes. Picture is OK after approx 5 mins, but red is missing.
• PSU IC and PSU transistor defective. (+ extract of circuit diagram)
• Low audio. Picture OK .
• OK at switch on, then after few secs, sound becomes loud, picture flickers, field cramping, picture loss then reappears expanding away with loss of field scanning, then goes dead. (extract of circuit diagram attached) (KVE2521D OTTOVERSAND repair tip)
• Power supply goes on and switches then on and off rhythmically. Several white streaks on screen for a short while. (with circuit diagram extract)
• Picture and sound disappear intermittently. On-screen display is disturbed. (picture attached)
• No audio. (+ extract of circuit diagram) (KVE2521D OTTOVERSAND repair tip)
• No audio. (extract of circuit diagram attached)
• Resembles incorrect tuning, or the appliance goes to mute. (with circuit diagram extract)
• No audio (intermittently).
• Picture wobbles after switch-on and when OSD is on.
• Horizontally distorted picture. Rattle. (+ extract of circuit diagram)
• Varicap voltage drift.
• Part number info: Rear Cover.
• Pale or distorted picture or black and white picture. (extract of circuit diagram attached)
• 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)
• Vertical lines are ragged. (with circuit diagram extract)
• Signal loss on all channels with red or blue lines. Bright dots on screen. Occasionally picture is OK but with no colours at all.
• After start-up protective circuit switches on, after several start ups appliance functions. (extract of circuit diagram attached)
• No sound in SECAM L.
• Picture foldover at the bottom of the screen. Adjustments work but fault persists, (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
• Picture is too wide, distorted, goes into safety mode if not adjusted. (picture attached) (OTTOVERSAND - KVE2521D information)
• When storing a station the station is placed at each programme site. The same thing repeats when storing a new station. (with circuit diagram extract)
• No audio.
• No surround sound from speakers intermittently.
• No colour. after a few minutes. (with circuit diagram extract)
• Width is reduced and verticals bent. (with circuit diagram extract)
• Picture fails. (extract of circuit diagram attached)
• OSD flickers constantly. Intermittently goes into standby. (picture attached)
• Intermittently no sound during RF reception. Sound OK via scart. (KVE2521D tips)
• How to store medium values for brightness and volume. (OTTOVERSAND - KVE2521D information)
• After start-up audio is quiet but gradualy gets louder and gets normal after a short time.
• No picture, no RC reception, LED flashes a few secs.
• Program display appears suddenly. Then RC doesn't function any more. (part of circuit diagram displayed)
• The screen is black or very dark. (+ extract of circuit diagram)
• Low audio.
• No picture.
• Shuts down (intermittently). (part of circuit diagram displayed)
• No picture. No audio. intermittently. OSD OK .
• Picture appears and disappears with horizontal sync tearing. (with circuit diagram extract)
• OSD channel insertion remains permanently in the picture. Can be switched off with the RC. (with circuit diagram extract)
• Incorrect colours.
• Distorted picture. Interference in picture. (part of circuit diagram displayed)
• At switch on picture takes longer than usual to appear (tube unblocking). (+ extract of circuit diagram)
• B1 board change.
• Colour lost intermittently, excessive flickering and pulls sideways at top.
• Service information. New B1 board with a new IC310.
• Picture appears slowly. when cold. No audio. intermittently. (with circuit diagram extract)
• No tuning.
• Grey screen. Retrace lines. after a few seconds. (extract of circuit diagram attached)
• Vertical lines are bent inwards in the corners of the picture. (+ extract of circuit diagram)
• 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. (+ extract of circuit diagram)
• Cramping at bottom of screen, width reduction and loss of audio. (extract of circuit diagram attached)
• After working ok for a while, interference on picture and sound. Channel display always shows "00". (with circuit diagram extract)
• No start-up from standby. (picture attached)
• Switches back to "00" from every programme.
• Volume uncontrollable. (extract of circuit diagram attached)
• Power supply starts up and goes then to PROTECT mode. Standby light on. (part of circuit diagram displayed)
• Flashing picture intermittently. May also have colour dropout. See also bulletin TV00593.
• 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.
• Picture only appears approx 2 mins after switch on. Audio OK. (extract of circuit diagram attached)
• Frame output chip blown repeatedly. (extract of circuit diagram attached)
• Maximum audio volume, intermittently.
• No picture. Text has one colour missing. (picture attached)
• No audio. when cold.
• Lines approx 5cm at the top. (with circuit diagram extract)
• Sound disappears then returns. Picture is normal.
• No audio.
• No colour (intermittently). (picture attached)
• Occasionally varicap tuning shifts. Black picture, no sound, hum.
• 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)
• Reduced picture size. Horizontal line. (extract of circuit diagram attached)
• Teletext ok. Otherwise only a dark picture with digit OSD without sound. (+ extract of circuit diagram)
• Pulsating picture.
• Vertical jitter. LED blinks . Trips. (with circuit diagram extract)
• No picture or sound after a while. OSD shows video output. (with circuit diagram extract) (service info for OTTOVERSAND -KVE2521D)
• No synchronisation. (picture attached)
• No vertical deflection. (extract of circuit diagram attached)
• PSU ticking. LED flashes 5 times. (picture attached)
• Sound drops out then comes back after several moments.
• Standby LED blinks intermittently after switch on. (with circuit diagram extract)
• Vague horizontal bars and picture takes a long time to appear. Noise in the start up speaker. (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)
• Occasionally no sound in SECAM mode, no problem in PAL.
• No SECAM sound. Sound OK in PAL. Picture OK in SECAM and PAL.
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory. (picture attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Colour disappears after switching to a different channel. (picture attached)
• At switch on pulsates 3 times. (part of circuit diagram displayed)
• No sound. Video ok. Sound functions well via scart.
• Crackling audio.
• Colour fails.
• PSU pulsates. (picture attached)
• Loud noise intermittently and no picture after start-up. Error appears rarely. (extract of circuit diagram attached)
• OSD fades away. (extract of circuit diagram attached)
• Picture is vertically too small and has rounded corners. (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. (picture attached)
• No audio.
• Value of capacitor C815.
• Picture is red. If colour contrast is reduced, picture is black-white.
• No RC functions. Hum in audio. (part of circuit diagram displayed)
• Vertical amplitude too low . Bad vertical linearity. Dark picture at bottom. (picture attached)
• Intermittently strong hissing in sound.
• Service information. B1 board with a new IC310.
• No colour. intermittently. (KVE2521D tip from OTTOVERSAND)
• Strong colours. (with circuit diagram extract)
• Very intermittently volume level changes/blank raster/high pitched noise from speakers/shimmering OSG. (picture attached)