KVC2561D / OTTOVERSAND [TV]

• Loudspeaker crackle at switch on, no picture content.
• 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)
• Tuning drifts or unstable. (service info for OTTOVERSAND -KVC2561D)
• Low contrast comes up after while. Flyback lines. (extract of circuit diagram attached)
• Flashing picture. Applicable to sets which have a new B1 board without a screening can. See also bulletin TV00692. (with circuit diagram extract)
• Channels drift and go back to 00. (extract of circuit diagram attached)
• No picture. No sound. No keyboard and RC functions. LED blinks every 5 seconds.
• No colour. intermittently. Flickering picture. (KVC2561D tip from OTTOVERSAND)
• No audio.
• No picture.
• Vertical deflection fails or only vertical lines are visible. (with circuit diagram extract)
• Vertical output stage bcomes defective after few weeks. (with circuit diagram extract)
• Starts up three times then switches off. (extract of circuit diagram attached)
• OSD flickers. Intermittently buzzing sound. (picture attached)
• Intermittently programmes change.
• RC units.
• Switches automatically to another channel after approx. 5 min. Preferentially to channel-S2 (112.25 MHz). Intermittently tuner switches to another frequency also. (picture attached)
• No functions on RC. Noisy sound. (with circuit diagram extract)
• No colour. after a few minutes. (part of circuit diagram displayed)
• Horizontal lines from top to bottom on screen. (picture attached)
• Slow start-up. when cold. (extract of circuit diagram attached)
• Vague horizontal bars and picture takes a long time to appear. Noise in the start up speaker. (part of circuit diagram displayed)
• Reduced vertical size. Poor vertical linearity. (with circuit diagram extract)
• No sound. Video ok. Sound functions well via scart.
• Intermittently strong hissing in sound.
• Occasionally shift in reception.
• Reduced vertical and horizontal size. Low audio. (+ extract of circuit diagram)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Switches to video input if a VCR is connected via scart and VCR is switched to standby. (with circuit diagram extract)
• Stored stations shift in fine tuning. At direct channel input station is stable.
• Width is reduced and verticals bent. (+ extract of circuit diagram)
• Occasionally varicap tuning shifts. Black picture, no sound, hum.
• Purity errors and E/W distortion.
• Picture disappears after short operation. OSD oscillates. (extract of circuit diagram attached)
• Picture is too wide, distorted, goes into safety mode if not adjusted. (+ extract of circuit diagram)
• Dynamic convergence is out of adjustment. (KVC2561D OTTOVERSAND repair tip)
• Intermittent colour (after warm-up).
• Service information. New B1 board with a new IC310.
• Tuner adjustment is off tune. Fine tuning does not store information.
• Volume level decreases. OSD OK.
• Green purity smear at upper left coin and purple purity smear at upper right corner.
• Adjustment after replacement of trimmer or crystal.
• Service information. New B1 board with a new IC310.
• Picture fails. (extract of circuit diagram attached)
• Program number OSD is permanently displayed. (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.
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Channels change to 1. (extract of circuit diagram attached)
• No picture or sound after a while. OSD shows video output. (part of circuit diagram displayed)
• How to adjust beat zero.
• Intermittent NICAM STEREO. (KVC2561D tip from OTTOVERSAND)
• It is constantly on program site 2. Analog values can be adjusted but bounce back immediately to the initial value (with circuit diagram extract) (KVC2561D tips)
• Tuning drifts. intermittently.
• Intermittent loss of colour in PAL, SECAM OK. (part of circuit diagram displayed)
• Sound makes a sizzling noise.
• Black hum bar type effect for first few secs after channel change. (extract of circuit diagram attached)
• No sound or sound level varies. (picture attached)
• CATV interference. (extract of circuit diagram attached)
• At switch on pulsates 3 times. (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Pulsating picture. Distorted picture.
• Intermittently microprocessor locks up with parental lock displayed. No signals. (+ extract of circuit diagram)
• Low audio.
• PSU pulsates. (picture attached)
• Pincushion distortion. at bottom.
• Sub-brightness adjustment.
• Starts up at switch on, red LED flickers then appliance goes dead. (part of circuit diagram displayed)
• Varicap adjustment (tuning) shifts intermittently.
• Red flyback lines. (with circuit diagram extract)
• No function with the RCU. IR receiver functions. IR data reach the microprocessor. RCU functions with another CTV. (part of circuit diagram displayed)
• No audio. OK via SCART . No picture.
• The white balance varies when changing the colour intensity. (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. (+ extract of circuit diagram)
• RC units.
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Left speaker buzzes after approx 30 mins. (part of circuit diagram displayed)
• Switches off by itself. at start-up. (OTTOVERSAND - KVC2561D information)
• Intermittently no sound during RF reception. Sound OK via scart.
• Intermittent colour.
• Retrace lines. (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. (OTTOVERSAND - KVC2561D information)
• Sound functions only on one side but is distorted. Comes back on both channels but is distorted.
• Horizontally stretched picture.
• Picture and sound disappear. (part of circuit diagram displayed)
• Audio fault in tuner mode but OK via both scarts. It begins on Canal Plus, satellite decoder or VCR: sound takes 20 mins to appear when reentering channel mode. Then, no sound in HF mode.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
• Diminishing power supply. (extract of circuit diagram attached)
• RC units.
• Erratic start-up. Standby LED flashes . (with circuit diagram extract)
• No colour. after warm-up.
• White horizontal lines in picture. Broad lines when cold. Thin lines when warm, or no lines. (part of circuit diagram displayed) (KVC2561D OTTOVERSAND repair tip)
• 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)
• Audio crackles, OSG jitters and loss of colour.
• When volume level is changed it goes to maximum level only. (part of circuit diagram displayed)
• OSG are black and should be green.
• No colour.
• Flickering picture. (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Fine stripes in upper quarter of picture. (part of circuit diagram displayed)
• PSU switches 4 times, then no function.
• Flyback lines. at top. (+ extract of circuit diagram)
• Tries to start up. Standby LED flashes three or four times then goes out. After insisting a few times, it eventually starts up. (part of circuit diagram displayed)
• Service information. New B1 board with a new IC310.
• No colour. (picture attached)
• Channels change at random.
• Switches to protection mode. (part of circuit diagram displayed)
• Sound increases suddenly up to max. Power supply problem in reception, even without touching the RC. PB is normal.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Loss of colours after switching appliance on again 5 mins after it has played for an hour. Colours OK when not switched off.
• Picture is poor with flyback lines and pulsing brightness. (picture attached)
• No audio.
• E/W fault.
• Frizzy picture width which is not constant. (picture attached)
• No start-up. intermittently. (+ extract of circuit diagram)
• Occasionally sound dropout on tuner/IF board: breaks are very rare (only once in the workshop) and impossible to localise component at fault.
• Shuts down. (with circuit diagram extract)
• Tripping. (+ extract of circuit diagram)
• Picture distorted and reduced. Picture becomes longer when hot. (with circuit diagram extract)
• Poor picture with red line.
• Colour fails when warm.
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Picture rolls/goes B/W or line twitching at top of screen.
• Service information. See the bulletin for the circuit of a new B1 board with a new IC310. See also bulletins TV00692 and TV00593.
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• Loud noise intermittently and no picture after start-up. Error appears rarely. (with circuit diagram extract)
• Yellow, approx 5mm vertical line through the picture. (with circuit diagram extract)
• 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)
• Occasionally appliance cannot be switched on from the mains switch. (with circuit diagram extract)
• Interference on low channels. (picture attached)
• No channel storing.
• No RC functions. (+ extract of circuit diagram)
• Switch has to be pressed several times to start the appliance. Sound fault. (extract of circuit diagram attached)
• Pulsates four times at switch on and then switches to standby.
• Intermittent or no colour.
• Volume cannot be turned down, jumps back to approx 70 %.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (picture attached) (KVC2561D tips)
• No audio. (picture attached)
• Part number info: rear cover.
• No picture. when changing channels (intermittently). (extract of circuit diagram attached)
• Crackling audio. intermittently.
• 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.
• Colour disappears intermittently.
• Occasionally no sound in SECAM mode, no problem in PAL.
• Rustle of EHT at switch on then powers down with LED flashing four times. (extract of circuit diagram attached)
• Poor linearity. at top. (with circuit diagram extract)
• On screen display is constantly mixed up. Flickering picture and plopping sounds. (part of circuit diagram displayed)
• No audio. when cold.
• Poor linearity or geometry. Frame linearity fault. Usually only occurs in sets which are more than two years old. (extract of circuit diagram attached)
• Odd colour patches
• 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)
• OSD shifts after approx 10 mins then no picture and no sound. (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. (with circuit diagram extract) (KVC2561D tips)
• Pulsates four times then switches off.
• Power supply starts up and goes then to PROTECT mode. Standby light on. (extract of circuit diagram attached)
• Sub-brightness adjustment.
• Blurry picture. (extract of circuit diagram attached)
• Programm jumps from 2 to 32 or from 4 to 36 or from 6 to 38 after some time.
• Ticks 3 times, then no function. (picture attached)
• No sound in aerial mode. Functions via the scart sockets. (part of circuit diagram displayed)
• Vertical lines are ragged. (picture attached)
• Screen doesn't light up. HF noise from loudspeakers. (picture attached)
• Attempts to start up three times, then switches to protection mode.
• Distorted frame. (picture attached) (KVC2561D tips)
• Intermittently no audio or crashing sound, in particular during mechanical bangs.
• Tuner IF fails. Picture is red then black. (picture attached) (KVC2561D tip from OTTOVERSAND)
• Part number information. Some versions of the service manual contain a wrong part number for the rear cover.
• Picture wobbles after switch-on and when OSD is on.
• Sound only briefly present, then only mute. (KVC2561D tips)
• Hiccups 4 times and then fails (in cold condition). (extract of circuit diagram attached)
• +B too low, can only be adjusted from 90V to 120V (part of circuit diagram displayed)
• Doesn't store programs. Jumps back to 0.
• No colour. after a while. Interference in picture.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (picture attached)
• Sound is missing from right hand channel. (extract of circuit diagram attached)
• Picture on left side is concaved. (+ extract of circuit diagram)
• Switches on. Signs on the screen, green bar and sound dropout. (picture attached)
• Maximum audio volume, intermittently.
• After about ten minutes, the sound and picture would disappear, leaving a raster with an unlocked display and no colour.
• No audio.
• Intermittent colour.
• Vertical streaks. at top. (with circuit diagram extract)
• Crackling audio.
• Purity error when switching. Purity errors on screen after initial switch on.
• Value of capacitor C815.
• Volume varies. (+ extract of circuit diagram)
• Picture disappears intermittently with strong noise from FBT. Screen remains black and impossible to switch over channels. OSD remains stuck.
• Poor colour. TXT is OK. (picture attached)
• First full volume on operating volume - or + keys. Then volume can be adjusted to normal.
• OSD moves and flashes. Volume level changes spontaneously. (+ extract of circuit diagram)
• Colour sometimes normal after start-up, sometimes white, sometimes black and white, sometimes wrong colours.
• Distorted picture. Interference in picture. (picture attached)
• No picture. Audio OK . (with circuit diagram extract)
• Switches to standby. (picture attached)
• Rhythmical ticking after start-up. (+ extract of circuit diagram)
• Tuning drifts. (picture attached)
• Sound goes to maximum when adjusted. (+ extract of circuit diagram)
• Horizontal line. (extract of circuit diagram attached) (OTTOVERSAND - KVC2561D information)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
• Picture is vertically too small and has rounded corners. (with circuit diagram extract)
• No start-up from standby with RC.
• Picture has green line going down. (with circuit diagram extract)
• Teletext ok. Otherwise only a dark picture with digit OSD without sound. (with circuit diagram extract)
• No RC functions or OSD. Intermittent colour, then intermittent video. (part of circuit diagram displayed)
• Loss of colour when switching channels when warm. (with circuit diagram extract)
• Power supply chopper transistor 2SD1548 S/C. (part of circuit diagram displayed)
• Only starts up after several attempts or PSU switches off again.
• Service information. B1 board with a new IC310.
• No reception (intermittently). (extract of circuit diagram attached)
• Noise from loud-speaker.
• Black and white picture with strobe effect. (extract of circuit diagram attached) (service info for OTTOVERSAND -KVC2561D)
• Intermittent chroma (digital board).
• When connecting TV in cold conditions, picture flickers. Knock sensitive fault. (with circuit diagram extract)
• No subtitles with the "Subtitles for the hard of hearing" decoder. (part of circuit diagram displayed)
• Crackling noise. Flash-over at switch on.
• Service information. B1 board with a new IC310.
• Power supply hiccups. (extract of circuit diagram attached)
• No RC functions. intermittently.
• Intermittent colour.
• Shaking picture. Tearing picture. Distorted picture. (with circuit diagram extract)
• Attempts to start up once, gives three pulses and then goes into safety mode.
• OSD fades away. (+ extract of circuit diagram)
• Colour loss.
• No colour. (OTTOVERSAND - KVC2561D information)
• Picture height too low and rolled-up from the top.
• +B voltage can not be adjusted. (part of circuit diagram displayed) (OTTOVERSAND - KVC2561D information)
• Lines approx 5cm at the top. (with circuit diagram extract)
• RC units.
• 137V voltage collapses at switch on. (+ extract of circuit diagram) (KVC2561D tips)
• Standby LED flashes slowly. (extract of circuit diagram attached)
• Programming the IC-005 SDA2546
• No colour.
• Colour cuts out (knock sensitive). (KVC2561D OTTOVERSAND repair tip)
• Retrace lines. after warm-up. (picture attached)
• Pulsating picture.
• Channel drift.
• Black screen. No display. (part of circuit diagram displayed)
• Distorted lines in lower picture third.
• No sound in SECAM L. (KVC2561D tip from OTTOVERSAND)
• No degaussing.
• Colour disappears after switching to a different channel. (picture attached)
• After start-up protective circuit switches on, after several start ups appliance functions. (with circuit diagram extract)
• No start-up. when cold. (picture attached)
• Intermittent loss of colour or colours getting brighter and more saturated as set warms up. (with circuit diagram extract)
• Spot on right of picture.
• Service information. New B1 board with a new IC310.
• Jumps from program site 2 to 00, jumps to and fro, then stays on program 00. (picture attached)
• Vertical foldover at bottom. Reduced vertical size. (with circuit diagram extract)
• Collapsed verticals.
• No picture. No OSD. (with circuit diagram extract)
• Value of C817 capacitor.
• No audio. intermittently. OK after a while .
• Channel number flickers between two numbers. (extract of circuit diagram attached)
• RC units. (KVC2561D OTTOVERSAND repair tip)
• Tuner drifts off tune and programs block.
• No switch on and red light on. 140V present. No input signal on line transistor base. (with circuit diagram extract)
• Appliance blows circuit protectors PS601 and PS602.
• Volume skips to high, can be decreased by RC. (KVC2561D OTTOVERSAND repair tip)
• Horizontal lines. (+ extract of circuit diagram)
• Colour disappears occasionally. Picture is then black and white and curdled.
• OSD and picture noisy. (part of circuit diagram displayed)
• No audio. Picture OK .
• Crackling audio. intermittently.
• At switch on picture takes longer than usual to appear (tube unblocking). (+ extract of circuit diagram)
• Bright bar at top of screen. (part of circuit diagram displayed)
• Poor sound as if in mute. (extract of circuit diagram attached)
• Power supply goes on and switches then on and off rhythmically. Several white streaks on screen for a short while. (part of circuit diagram displayed)
• Service information. New B1 board with a new IC310. (KVC2561D tip from OTTOVERSAND)
• PSU transistor and fuse 4A are destroyed after 1-3 mins. (+ extract of circuit diagram)
• Service information. Mcb connecting leads. (part of circuit diagram displayed) (KVC2561D tip from OTTOVERSAND)
• No audio (after a few minutes). (picture attached)
• It may happen that during a Mono broadcasting, the stereo LED switches on. At this time, a strong audio noise may be heard.
• No channel storing. (part of circuit diagram displayed)
• Service information. New B1 board with a new IC310.
• Flickering colours. Knock sensitive.
• Chopper transistor S/C. (part of circuit diagram displayed)
• Intermittently picture collapses and blanks out.
• Red picture. Flyback lines. Trips.
• No audio. (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 immediately to program 0 at switch on. Impossible to change. (with circuit diagram extract)
• Dead. Standby LED lights, protective circuit starts up.
• Only a green streak in the middle of screen. OSD appears on this streak.
• Stations drift off tune. Programs block.
• Green picture. Black screen. intermittently. Audio and OSD OK .
• Irregularity of the sound.
• Picture foldover at the bottom of the screen. Adjustments work but fault persists, (with circuit diagram extract)
• Does not store stations.
• Strong noises from demagnetizing coil after plug has been pulled out. (part of circuit diagram displayed)
• TXT doesn't function. Greenish background.
• Sound level decreases. OSD shows decrease.
• OSG jitters, audio crackles and loss of colour.
• Squealing noise at switch on with mains switch. Appliance goes in standby. Power LED flashes. (with circuit diagram extract)
• Switches from each program to C02 after approx 5 mins. It is OK after switch over but fault recurs.
• Sound goes off. STEREO lights go out and goes into MONO.
• Sub colour adjustment.
• 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 attached)
• Picture flickers and breaks down (wobbles).
• Wrong colours which are displaced half inch to the right. (part of circuit diagram displayed)
• RC units.
• Switches to program site 00 after operating for a while.
• Insufficient height and cramping at centre of screen. (part of circuit diagram displayed) (KVC2561D tip from OTTOVERSAND)
• No satellite reception.
• OSD constantly visible.
• Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
• Horizontal lines across screen. Humming. (part of circuit diagram displayed)
• No HV. (extract of circuit diagram attached)
• Deflection fault, distortion and picture oscillation at bottom of screen. (+ extract of circuit diagram)
• Red, green and blue lines at top of screen. (with circuit diagram extract)
• Procedure to initialise Eprom after replacement.
• Text picture geometry distorted.
• Cannot go to standby even after a few attempts to switch ON. (extract of circuit diagram attached)
• Resembles incorrect tuning, or the appliance goes to mute. (+ extract of circuit diagram)
• Picture appears and disappears with horizontal sync tearing. (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)
• No operation (intermittently). (with circuit diagram extract)
• Picture and sound are intermittent; channel number still present. (picture attached)
• Picture runs through. (with circuit diagram extract)
• Stuck in PAL.
• Service information. New B1 board with a new IC310.
• Vertical line. in the centre. (extract of circuit diagram attached)
• Grey screen. Retrace lines. after a few seconds. (with circuit diagram extract)
• Colour lost intermittently, excessive flickering and pulls sideways at top.
• Flashing horizontal black lines. Occasionally appliance may function OK. (+ extract of circuit diagram)
• All channels drift within 15 mins.
• Sound drops out then comes back after several moments.
• Black/white picture at times or stripes in picture.
• Intermittent colour.
• Low audio after start-up. OK after a few minutes.
• Switches to standby (intermittently). (with circuit diagram extract)
• Intermittent colour.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (with circuit diagram extract) (KVC2561D tip from OTTOVERSAND)
• Volume uncontrollable. (part of circuit diagram displayed)
• Horizontal bars when switching channels. Switches off intermittently. Fault may not appear for a long 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. (part of circuit diagram displayed)
• Black screen. Audio OK . (extract of circuit diagram attached)
• Distorted or no audio. via tuner. OK via SCART . (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 picture. Sound only via AV. Brightness, colour, control OK. (with circuit diagram extract)
• Dark picture with red stripes. Picture is OK after approx 5 mins, but red is missing.
• No start-up. (picture attached)
• Vertical lines are bent inwards in the corners of the picture. (picture attached)
• Only channels 59 and AV present; audio is set to maximum. (extract of circuit diagram attached)
• Picture size incorrect. Change in size of raster. (picture attached)
• Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
• Switching transistor and mains fuse fail repeatedly. (+ extract of circuit diagram)
• Drifts in frequency. Channel change ok, locks on the correct frequency. (extract of circuit diagram attached) (KVC2561D OTTOVERSAND repair tip)
• General information.
• RC units.
• No vertical deflection. (picture attached)
• Bright picture with low contrast and flyback lines, after about 10-15 mins.
• No picture after 5 mins. It bounces twice, then screen becomes dark. Program display is 00. If program is selected again, picture reappears. (with circuit diagram extract)
• 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)
• Beeps.
• No audio. (+ extract of circuit diagram)
• Mechanical screeching, whistling, chirping from HV unit. (extract of circuit diagram attached)
• Cycles on/off. (with circuit diagram extract)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode.
• Picture too big. Switches off by itself. (extract of circuit diagram attached)
• RC units.
• Hum sound in standby mode.
• No picture, no RC reception, LED flashes a few secs.
• No start-up. after warm-up.
• When storing a station the station is placed at each programme site. The same thing repeats when storing a new station. (part of circuit diagram displayed)
• Intermittently stops. (+ extract of circuit diagram)
• Poor colour. One colour missing. Low brightness. (picture attached)
• RC units.
• Switches back to "00" from every programme.
• No synchronisation. (part of circuit diagram displayed)
• Intermittent picture size. (picture attached)
• No surround sound from speakers intermittently.
• Spare part information - Value for R822.
• How to adjust chroma oscillator frequency.
• Stations disappear and reappear every 3 secs on all 30 cable programs.
• No colour. TXT OK .
• After working ok for a while, interference on picture and sound. Channel display always shows "00". (with circuit diagram extract)
• No colour (after a few minutes). (picture attached)
• After a short operation time, screen becomes black without sound or ripples in B/W.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• 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.
• Switches after switch on immediately to channel site 33. If set is switched on with button 1 on RC, it switches to channel 33.
• Ragged verticals at bottom 2 inches. (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.
• Signal loss on all channels with red or blue lines. Bright dots on screen. Occasionally picture is OK but with no colours at all.
• White horizontal lines across top of picture.
• Intermittent colour. (extract of circuit diagram attached)
• Distorted audio. The speaker cabinet vibrates.
• No picture. Text has one colour missing. (with circuit diagram extract) (KVC2561D tip from OTTOVERSAND)
• Poor picture. Flyback lines. (with circuit diagram extract)
• Sound increases by itself. (OTTOVERSAND - KVC2561D information)
• Dark screen. Audio OK . (part of circuit diagram displayed)
• Brief start up of power supply. Standby LED then flashes 4 times. (+ extract of circuit diagram)
• On one channel the volume is at maximum. (with circuit diagram extract)
• Frame output chip blown repeatedly. (part of circuit diagram displayed) (service info for OTTOVERSAND -KVC2561D)
• 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. (picture attached)
• Power supply voltage is too high. Cannot be adjusted with pot. (picture attached)
• No SECAM sound. Sound OK in PAL. Picture OK in SECAM and PAL.
• PSU fails. (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) (OTTOVERSAND - KVC2561D information)
• Picture becomes intermittently B/W.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Contrast too low in certain mode. A dark picture is displayed in the rgb mode. (part of circuit diagram displayed)
• Pincushion distortion. (part of circuit diagram displayed)
• After longer operation colours disappear. (KVC2561D tip from OTTOVERSAND)
• No OSD. No reception. Black screen. Standby LED flickers every 20 seconds. (with circuit diagram extract)
• Incorrect colour and spots on white background.
• OSG sways from side to side. (with circuit diagram extract)
• Channel OSG sway intermittently from side to side then set powers down. (picture attached)
• Tuning drifts.
• No channel storing. (KVC2561D tip from OTTOVERSAND)
• Dark picture is lower third, upper third folded down. (+ extract of circuit diagram)
• No audio.
• Volume cannot be adjusted, stuck near maximum. (picture attached)
• Stuck in standby. (picture attached)
• No or intermittent start-up. (picture attached)
• No power up. Standby LED flashing with 12 secs intervals. (+ extract of circuit diagram)
• After start-up audio is quiet but gradualy gets louder and gets normal after a short time. (KVC2561D tip from OTTOVERSAND)
• Vertical line. (with circuit diagram extract)
• Hum at switch on. Purity spots.
• Audio fades. intermittently.
• RC units.
• 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)
• Sound cuts out for long moments after operating for approx. 30 mins.
• Stuck in Canal Plus. (extract of circuit diagram attached)
• Intermittently PSU does not start up. (extract of circuit diagram attached) (KVC2561D tips)
• No sound at switch on. Sound returns by itself sometimes after 15 mins or sometimes longer after 30 mins.
• Intermittent colour and picture flashing. (OTTOVERSAND - KVC2561D information)
• Attempts to start up but remains unstable. Clicking noise from chopper. LED switches on at the same rythm.
• Vertical foldover at top. (with circuit diagram extract)
• Colour bleeding. Weak colours.
• Flickering picture. No picture. intermittently. (extract of circuit diagram attached)
• Picture and sound disappear intermittently. On-screen display is disturbed. (extract of circuit diagram attached)
• No sound on the French channels. In PAL the sound functions normally.
• Adjustment of station logos.
• PSU transistor fails again after approx 3 mins. (+ 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)
• After a flash goes back to channel 0. OSD displays VIDEO 00. (part of circuit diagram displayed)
• Audio cannot be adjusted.
• No raster. Audio OK . (with circuit diagram extract)
• No start-up. LED blinks . (picture attached)
• Flashing picture intermittently. May also have colour dropout. See also bulletin TV00593. (OTTOVERSAND - KVC2561D information)
• Q602 defective. (extract of circuit diagram attached)
• Sub colour adjustment. (service info for OTTOVERSAND -KVC2561D)
• Switches to standby (after start-up). (picture attached) (KVC2561D OTTOVERSAND repair tip)
• Cramping at bottom of screen, width reduction and loss of audio. (+ extract of circuit diagram)
• Picture green, with green lines. (extract of circuit diagram attached)
• No RC functions. Hum in audio. (+ extract of circuit diagram)
• No picture. Standby LED does not light.
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• No power supply. Rattle for a few seconds. (part of circuit diagram displayed)
• Flyback lines. Dark picture. after a while. (part of circuit diagram displayed) (KVC2561D tips)
• There are 2 chassis for this model: AE1-B and AE1-C.
• Dead. (+ extract of circuit diagram)
• Standby LED blinks intermittently after switch on. (part of circuit diagram displayed)
• After a few seconds the sound becomes distorted. (+ extract of circuit diagram)
• No picture. No audio. intermittently. OSD OK .
• Dark screen. Occasionally no sound. In programming mode light screen with sync fault.
• 12V missing on IC608. (extract of circuit diagram attached)
• Faulty OSD. (with circuit diagram extract) (KVC2561D OTTOVERSAND repair tip)
• Part number info: Rear Cover.
• White or RGB stripes on the upper part of picture. (picture attached)
• Starts 4 times and then turns OFF. (picture attached)
• Warped picture after some time. (part of circuit diagram displayed)
• RC units.
• Crackling audio. when cold. Knock sensitive. (extract of circuit diagram attached)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (+ extract of circuit diagram)
• The STEREO indicator intermittently switches on in mono channels. This is accompanied with rattle/noise from one channel. (KVC2561D OTTOVERSAND repair tip)
• PSU pumps three times at switch on. Standby LED switches off.
• VOL goes to full blast when when VOL +/- selected, then works OK. (+ extract of circuit diagram)
• Veil and picture oscillation. (extract of circuit diagram attached)
• Set up nominal values for the picture setting.
• Vertical jitter. LED blinks . Trips. (part of circuit diagram displayed)
• Shuts down (intermittently). (part of circuit diagram displayed)
• B1 board change.
• Display OSD wobbles. Stripes in picture.
• No tuning.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Vertical collapse. (with circuit diagram extract)
• Blank raster. (+ extract of circuit diagram)
• No tuning immediately after start up or channel dropout faults.
• PSU ticking. LED flashes 5 times. (with circuit diagram extract)
• OSD flickers, picture disappears after a while. (with circuit diagram extract)
• Drops out intermittently and switches to another channel and sound crackles. (part of circuit diagram displayed)
• No audio. (part of circuit diagram displayed)
• Very intermittently volume level changes/blank raster/high pitched noise from speakers/shimmering OSG. (+ extract of circuit diagram)
• Blocked on one programme place and when switching it always goes back. (with circuit diagram extract)
• Appliance must be switched on for 10 minutes before picture appears. (with circuit diagram extract)
• Q602 (2SD1548) blown at start up. (with circuit diagram extract)
• Overspread of a colour when warm. (OTTOVERSAND - KVC2561D information)
• Dark picture with on-screen display, no sound. Videotext is OK. (+ extract of circuit diagram)
• Dead. No standby. Switches 3x quietly. (with circuit diagram extract)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (picture attached) (KVC2561D tips)
• How to store medium values for brightness and volume.
• No audio.
• Buzz on sound in standby. (extract of circuit diagram attached)
• PSU IC and PSU transistor defective. (extract of circuit diagram attached)
• No colour. intermittently.
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• A space between the tube and the cabinet may be visible.
• Colour fails.
• Switches to next odd number when selecting preset even number (2,4,6, etc.) (without using RC). (+ extract of circuit diagram) (KVC2561D OTTOVERSAND repair tip)
• Service information. New B1 board with a new IC310. (service info for OTTOVERSAND -KVC2561D)
• Intermittently switch to PR00. (extract of circuit diagram attached)
• No picture. (with circuit diagram extract)
• Pumps, starts after several attempts. Picture and sound OK.
• Slow start-up. (picture attached)
• General information.
• HT too high at 175V. (part of circuit diagram displayed)
• Picture is red. If colour contrast is reduced, picture is black-white.
• Severe hum in standby on left channel. OK in standard mode. (picture attached)
• No audio. No picture. OSD OK. OK via SCART.
• No functions. Starts up, then beeps 3 times and shutsdown. (part of circuit diagram displayed)
• Service information. New B1 board with a new IC310.
• Service information. B1 board with a new IC310.
• Switches to protection mode. after start-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.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke. (KVC2561D tips)
• Volume goes automatically to max. after short run length. Volume can be turned down. But after a short while it is on max. again.
• IC8170 blows at switch on. (part of circuit diagram displayed)
• Volume increases automatically. (OTTOVERSAND - KVC2561D information)
• Distorted picture and vertical sync when switching on
• No start-up. when cold. LED blinks . (+ extract of circuit diagram)
• Colour disappears after awhile and picture interference starts. Seems like tuning is drifting. Symptoms do not occur in the repair shops. Voltage on aerial. (OTTOVERSAND - KVC2561D information)
• Excessive brightness with retrace lines even when brightness is on minimum. (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)
• No colour via aerial or scart.
• Varicap voltage drift.
• Sound only via AV. No picture. Brightness, colour, control are OK.
• Sound occasionally increases to maximum without the sound scale being displayed. (extract of circuit diagram attached)
• Intermittent normal, b/w or wrong colours (multi norm!).
• No colour in Secam or via scart.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• No audio (intermittently).
• Picture collapses. Sound is cracking. LEDs light up and go out. OSD flickers. (picture attached)
• Intermittently right side of the picture only has incorrect colour. (part of circuit diagram displayed) (KVC2561D OTTOVERSAND repair tip)
• No or intermittent start-up. Knock sensitive. (+ 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 sound. Picture OK.
• Pulsates 4 times, then no function.
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory. (picture attached)
• No colour (intermittently).
• Trips 3 times then enters safety mode. (part of circuit diagram displayed)
• Sporadic interference from loudspeaker. (KVC2561D tip from OTTOVERSAND)
• Does not switch to standby correctly, it can be started again only by control on appliance. (with circuit diagram extract)
• 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. (+ extract of circuit diagram)
• Pulsates 4 times on start up from mains and then switches off. No standby display. (+ extract of circuit diagram)
• Service information. B1 board with a new IC310.
• 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 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)
• Audio quality problem intermittently. Intermittent no sound or crackling. (part of circuit diagram displayed)
• Line output stage defective. (part of circuit diagram displayed)
• No picture (intermittently).
• Occasionally picture and sound disappear (go out of tune), mainly a short time after switch on, if appliance is cold.
• Doesn't start up with mains switch when cold. Standby LED flashes 4 times. (+ extract of circuit diagram)
• Strong colours. (with circuit diagram extract)
• Intermittently top of screen rolls, loses colour, picture pulses or twitches.
• Picture appears slowly. when cold. No audio. intermittently. (extract of circuit diagram attached) (KVC2561D OTTOVERSAND repair tip)
• Picture only appears approx 2 mins after switch on. Audio OK. (+ extract of circuit diagram)
• Bright screen and retrace lines about 2 inches from top. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVC2561D)
• Low audio. Picture OK .
• Service information. Original tuner (SUF944PLL) is replaced by tuner U944C. Only for UK models. (+ extract of circuit diagram)
• No raster. (extract of circuit diagram attached) (service info for OTTOVERSAND -KVC2561D)
• Weird colour patches.
• Picture and sound drop intermittently out. Only green programme display in picture. (part of circuit diagram displayed)
• Poor colour reproduction. Brightness adjustment doesn't function. (extract of circuit diagram attached)
• OSD channel insertion remains permanently in the picture. Can be switched off with the RC. (picture attached)
• Picture appears slowly. (with circuit diagram extract)
• Unstable volume. (part of circuit diagram displayed)
• Picture width twitching. Poor E/W. (with circuit diagram extract)
• No sound in SECAM or intermittent sound. (service info for OTTOVERSAND -KVC2561D)
• Switches automatically back to program 1 or 00.
• The screen is black or very dark. (with circuit diagram extract)
• Low audio (on the right). (with circuit diagram extract)
• Black and white flashes on cassette ext, with Hitachi and Telefunken VCRs, OK on their recordings.
• No reception. (extract of circuit diagram attached)
• Interference in audio.
• When the Volume+ bargraph display is adjusted, it jumps up and down. (part of circuit diagram displayed)
• Picture sometimes becomes slanted with underlining. (picture attached)
• Poor distorted sound. (+ extract of circuit diagram) (KVC2561D OTTOVERSAND repair tip)
• No colour (intermittently). (+ extract of circuit diagram)
• OSD flickers constantly. Intermittently goes into standby. (+ extract of circuit diagram) (KVC2561D tip from OTTOVERSAND)
• Poor vertical linearity (stretched at the top, collapsed at the bottom). (picture attached) (KVC2561D tips)
• Intermittent HV flashover at the CRT neck.
• Hum sound in standby mode. (part of circuit diagram displayed) (OTTOVERSAND - KVC2561D information)
• Excessive horizontal size. E/W fault. (picture attached)
• No start-up. after lightning strike. (picture attached)
• Sound disappears then returns. Picture is normal.
• Black horizontal lines in the middle of the picture (possibly at the bottom as well). (+ extract of circuit diagram)
• No reception when cold.
• Noise in picture. at high volume.
• Stations drift off tune or search does not stop. (part of circuit diagram displayed)
• Volume cannot be altered, stuck near maximum. (picture attached)
• AFC does not function.
• Cramped at centre, stretched at top and fold over at bottom. (extract of circuit diagram attached)
• No reception of band I cable TV. Band III and Band IV ok.
• Crackling audio.
• Q602 (2SD1548) blows at start up and fuse blows. (picture attached)
• Vertical amplitude too low . Bad vertical linearity. Dark picture at bottom. (extract of circuit diagram attached)
• Stores the same station on all channels. Doesn't switch over correctly.
• Horizontal white line. (picture attached)
• Starts up 4 times, then no function. (extract of circuit diagram attached)
• Black screen. No RC functions. (extract of circuit diagram attached)
• Slight top foldover plus 6 faint flyback lines (2 red, 2 green, 2 blue). (picture attached)
• TV unit cannot be tuned to any station anymore.
• Intermittent colour.
• No colour in PAL.
• No TXT. (with circuit diagram extract) (service info for OTTOVERSAND -KVC2561D)
• No start-up from standby. (part of circuit diagram displayed)
• Intermittent colour. (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. (KVC2561D OTTOVERSAND repair tip)
• Channel memory loss at switch off. No volume control. Remains on original adjustment. Program OK. Channel tuning OK. (part of circuit diagram displayed)
• No vertical synchronisation on bright picture content via scart.
• Dead (intermittently). (+ extract of circuit diagram)
• 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. (with circuit diagram extract) (OTTOVERSAND - KVC2561D information)
• No functions. (part of circuit diagram displayed)
• Horizontally distorted picture. Rattle. (+ extract of circuit diagram)
• No switch on from standby. The TV will not come on from standby but the standby LED is lit. 21" and 25" sets only. (extract of circuit diagram attached) (KVC2561D tips)
• No colour. via SCART. (extract of circuit diagram attached)
• Picture jitters from top to bottom, intermittently at the sides. Jitter decreases after a while but does not stop completely. Sometimes 5cm black bars at the top and bottom after start up, then picture jitters even more.
• Tuning drifts. intermittently.
• OSD flickers. Speakers whistle. (picture attached)
• Purple stain on top right-hand side corner.
• No audio in certain mode. Audio muting may occur when returning to a channel with fine tuning from a blank channel. (picture attached)
• No tuning.
• Wrong colours at sides.
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• Pale or distorted picture or black and white picture. (with circuit diagram extract)
• Black screen and no sound when switching TV on in cold conditions. Standby LED lights up after a short while. TV functions OK. Loud "plof" noise in loudspeakers. (part of circuit diagram displayed)
• Dim picture. Excessive brightness. (+ extract of circuit diagram)
• Reduced picture size. Horizontal line. (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• Black screen. intermittently. (picture attached)
• Lines in picture. (extract of circuit diagram attached)
• FET chopper transistor BUZ91A fails. (part of circuit diagram displayed)
• Sometimes colour disappears. B/W picture.
• Picture compressed in the centre. Black band at the bottom of the screen. (+ extract of circuit diagram)
• Mono/stereo identification problem in stereo (pal B/G) transmission reception. (extract of circuit diagram attached)
• Starts up, red LED flashes twice then goes dead. (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.
• HV crackles shortly after switch on, then no function. (extract of circuit diagram attached)
• Pincushion distortion. on sides. Excessive horizontal size. (extract of circuit diagram attached)
• No colour (intermittently). (part of circuit diagram displayed)
• No colour after 10 mins operation.
• Picture and sound is intermittent or negative picture. (KVC2561D tip from OTTOVERSAND)
• Screen remains black or picture is poor.
• After a while skips to another program station at random. (extract of circuit diagram attached)
• Switches on twice for a short time switches off.
• Degaussing does not work on the sides of the picture.
• Picture is too wide and fails when warm. (picture attached)
• Loss of picture. Picture shows flashes. (KVC2561D tips)
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (picture attached) (OTTOVERSAND - KVC2561D information)
• Service information. See the bulletin for the circuit of a new B1 board with a new IC310. See also bulletins TV00692 and TV00593. (KVC2561D tip from OTTOVERSAND)
• Program display appears suddenly. Then RC doesn't function any more. (+ extract of circuit diagram)
• No picture. No audio. after a while. (with circuit diagram extract)
• No switch on from standby. Power supply shuts down. (part of circuit diagram displayed)
• Error codes. (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)
• Sound crackles with OSD flashing. (+ extract of circuit diagram)
• Incorrect 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.
• The picture flickers from colour to black-and -white very frequently.
• 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.
• Hum in certain mode. Sets which have R637 fitted may hum in standby mode. (extract of circuit diagram attached)
• RC units.
• No satellite reception.
• No driver transistor Q805 command. (with circuit diagram extract)