KVX2131 / OTTOVERSAND [TV]

• No E/W correction. (with circuit diagram extract)
• Transistor reference Q608 in the form of SC1.
• Occasional noisy sound and loss of STEREO.
• Stereo indicator lit in some mono channels. Rattle and noise from one channel. (OTTOVERSAND - KVX2131 information)
• Wide, yellow bar of approx 5 cm through the picture. (part of circuit diagram displayed)
• Vertical foldover at top. (+ extract of circuit diagram)
• Intermittently no NICAM sound. Display flashing speaker symbol.
• No synchronisation. No TXT. (extract of circuit diagram attached)
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory. (+ extract of circuit diagram)
• Snow in picture.
• Only top line in TXT. Does not find page. (extract of circuit diagram attached)
• Picture jumps on channel 2 of band I or drops out. At switchover picture is available again and then drops out after approx 5 mins. (with circuit diagram extract)
• Service information. The sub brightness and sub colour levels may be adjusted using a modified RM689. (bridge JP1 in the remote).
• Volume changes when utilising other audio functions such as balance etc. (part of circuit diagram displayed)
• Vertical lines are cramped inwards in the corners. (extract of circuit diagram attached)
• Intermittently switches to preset 20. (picture attached)
• No synchronisation (intermittently). (+ extract of circuit diagram) (OTTOVERSAND - KVX2131 information)
• The STEREO indicator intermittently switches on in mono channels. This is accompanied with rattle/noise from one channel.
• Colour purity error on right and left picture sides.
• No TXT. intermittently. No luminance. intermittently.
• No start-up from standby. (part of circuit diagram displayed)
• No reaction at switch on. (with circuit diagram extract)
• Poor or no tuning.
• The appliance often jumps to stereo and back to mono only with mono videorecorder or satellite receiver via antennaplug (therefore not via scart cable). No problem with normal tv channels. (picture attached)
• Intermittently loss of colour in PAL.
• Vertical output IC (TDA8170) blows at start-up.
• Switches to protection mode. at start-up. (with circuit diagram extract) (KVX2131 tip from OTTOVERSAND)
• Bright picture. Flyback lines. Switches off by itself. after a while.
• Sound from left hand channel is missing.
• Extremely low and distorted audio. Level increases on bright scenes. (+ extract of circuit diagram)
• Strong cracking after approx 10 mins. Switches to standby.
• No audio. when cold.
• Loss of IF. OSD and AV channels are OK. (OTTOVERSAND - KVX2131 information)
• Loud audio. after a while. (service info for OTTOVERSAND -KVX2131)
• Normal settings.
• Service information. The original tuner (SUF944PLL) is replaced by tuner U944C. (Only for UK models). (+ extract of circuit diagram)
• Picture shrunk from top and bottom of screen. (part of circuit diagram displayed)
• Memorization of basic adjustment.
• The white balance varies when changing the colour intensity. (extract of circuit diagram attached)
• Loud crack in loudspeakers.
• Only standby LED lit for 2 secs.
• Picture is too wide and then breaks up after a few minutes. (extract of circuit diagram attached)
• When storing one channel, this channel is saved on all program sites. (KVX2131 OTTOVERSAND repair tip)
• Picture disappears after storing. Automatic station search OK.
• RC unit.
• Channels slide in frequency when starting up after switch on. Perfect operation when cold on all the channels even for a few hours.
• Picture appears only when pressing twice ON/OFF key. Flyback lines appear and very poor colour balance.
• Standby diode flashes every 3 secs and returns to normal if the HiFi board is disconnected. (with circuit diagram extract)
• Switches channel, preceded by crackling of picture and sound. Previous channel still in picture but has been switched to lower channel no., where it then remains.
• Picture and sound disappear. Dark screen. Sound and picture for a moment if channel is pressed again. (+ extract of circuit diagram)
• Intermittent tuning memory loss. (picture attached)
• Preferential adjustment with minimum colour and maximum contrast.
• Picture rolls. in TXT. (part of circuit diagram displayed) (KVX2131 tip from OTTOVERSAND)
• No EHT and the line scan at approximately 10v.
• No RC functions. (+ extract of circuit diagram)
• PSU transistor (2SD1548) and mains fuse fail after 2 min.
• Power problem. No operation. (with circuit diagram extract) (KVX2131 tips)
• Service information. The original tuner (SUF944PLL) is replaced by tuner U944C.
• Programming in factory mode.
• No synchronisation. when cold.
• Stretched vertical size at top. Reduced vertical size at bottom.
• Dead. (part of circuit diagram displayed) (KVX2131 tip from OTTOVERSAND)
• Distorted picture. Stretched at top, folded over at bottom. (part of circuit diagram displayed)
• Standby LED flashes 4 times at switch on. Crackling noise from line transformer. (with circuit diagram extract)
• Standby LED blinks. (picture attached)
• Distorted audio. Audio distortion, particularly on line input. (picture attached)
• Reduced vertical size. Excessive horizontal size. (extract of circuit diagram attached)
• One colour missing or excessive. (+ extract of circuit diagram)
• Lines over bright parts of picture and rolling.
• Thin white lines at upper picture edge. Test lines visible in upper picture part at start-up. (KVX2131 tips)
• Drops in and out of tune approx every 5 secs when tunes to an off-air signal. (with circuit diagram extract)
• No picture. after a few minutes.
• Black screen. at start-up. (+ extract of circuit diagram)
• Mono sound hisses, picture and NICAM sound ok. (picture attached)
• No HV. (extract of circuit diagram attached) (KVX2131 OTTOVERSAND repair tip)
• After a while sound crackles. Then drops out. (with circuit diagram extract)
• Poor field scan and lack of width at switch on. (picture attached)
• No vertical deflection. (part of circuit diagram displayed)
• No power on AC. The majority of flyback transformers changed are not faulty.
• Tuning drifts.
• Intermittent tuning memory problem. Tuning jumping to an adjacent channel if the set is turned on when there is no carrier on that channel. (with circuit diagram extract)
• No picture. (picture attached)
• Distorted picture when OSD is activated. (picture attached)
• Intermittently loss of picture. Return if rear panel tapped. (part of circuit diagram displayed)
• Bright picture. Retrace lines. Audio OK . Switches to standby.
• Distorted field scan and distorted colours. (part of circuit diagram displayed)
• Picture and sound disappear. Dark screen. Sound and picture for a moment if channel is pressed again.
• EHT comes up at switch-on then trips, flashing LED 3 or 4 times. (picture attached)
• Vertical foldover. (with circuit diagram extract)
• Flyback lines. at top (after a while). (part of circuit diagram displayed)
• Distorted picture after start-up. Black screen with program display after a while.
• Raster fault. Picture stretched at top, compressed at bottom. OK after 1 hr. (part of circuit diagram displayed)
• Insufficient picture deflection and not linear in the middle.
• Muted audio. after start-up. (picture attached)
• No TXT. (picture attached)
• If switched off with RC, does not switch on again, only with Program keys on front panel. Standby LED remains on. If switched off with mains switch, it switches on correctly.
• Picture appears only when pressing twice on ON/OFF button. Flyback lines and poor colour balance. (+ extract of circuit diagram) (service info for OTTOVERSAND -KVX2131)
• Erratic start-up. LED flashes a few times.
• No colour. (+ extract of circuit diagram)
• Error codes. (extract of circuit diagram attached)
• No STEREO display.
• Picture noise. A boomerang-shaped noise component is superimposed on the picture. (part of circuit diagram displayed)
• Low audio. (+ extract of circuit diagram)
• Excessive brightness. No contrast. (with circuit diagram extract) (KVX2131 OTTOVERSAND repair tip)
• Bar graph is blocked. You cannot increase or reduce the sound, contrast or brightness. (extract of circuit diagram attached) (KVX2131 tip from OTTOVERSAND)
• Poor field linearity: the top third of the screen displays alternate scanning lines, the centre section has an almost normal display, while the bottom third is blanked. (+ extract of circuit diagram)
• Wavy picture from below to above.
• Tuning problem. After replacing IC001 version B12 by version B21 - B24, the TV unit cannot be tuned to any station anymore. (picture attached)
• Program number is constantly displayed. If Volume + or - key is pressed, picture is briefly dark. (picture attached)
• Distorted audio. Audio distortion, particularly on line input. (extract of circuit diagram attached)
• Reduced horizontal size. (with circuit diagram extract)
• Intermittent noise in sound.
• Poor picture. Flyback lines.
• No picture. Audio OK . (with circuit diagram extract)
• Distorted picture. intermittently. Searches for channels continuously.
• Skips another 31 channels from initial request. (picture attached)
• No subtitles with the "Subtitles for the hard of hearing" decoder. (extract of circuit diagram attached) (OTTOVERSAND - KVX2131 information)
• Contrast too low in certain mode. A dark picture is displayed in the rgb mode. (picture attached)
• Vertical roll. (extract of circuit diagram attached)
• Builds up HV briefly, then switches off. LED blinks 4 times.
• Vertical collapse. when cold.
• Extension cable information. Part number for extension cable.
• Colour loss intermittently in PAL.
• Mains transistor fails at second switch on. (+ extract of circuit diagram)
• No sound for approx 30 minutes. (extract of circuit diagram attached)
• EHT comes up for a second then switches off.
• PSU drive transistor fails. (+ extract of circuit diagram)
• Flashing, horizontal, black lines on the picture. (part of circuit diagram displayed)
• Low contrast. Flyback lines.
• When switching on, the power supply goes into protection. (with circuit diagram extract)
• No audio. after a while.
• Intermittent colour. (picture attached) (OTTOVERSAND - KVX2131 information)
• No start-up. (with circuit diagram extract)
• Dark picture. Audio OK . (extract of circuit diagram attached)
• Vertical line. (with circuit diagram extract) (KVX2131 tip from OTTOVERSAND)
• Service information. The original tuner (SUF944PLL) is replaced by tuner U944C.
• Distorted audio. (+ extract of circuit diagram)
• Stuck in standby. (extract of circuit diagram attached)
• Channel loss after 5 minutes working. Only channel number remains on green display and changes up to 33. (OTTOVERSAND - KVX2131 information)
• STEREO indicator appears on some mono stations together with rattling and noise.
• The STEREO indicator intermittently switches on in mono channels. This is accompanied with rattle/noise from one channel.
• No vertical deflection. after a few minutes. (service info for OTTOVERSAND -KVX2131)
• After switch-on LED flashes 4 times, then switches off.
• Distorted frame scan (looks like frame IC is faulty). (part of circuit diagram displayed)
• Unstable picture. Poor synchronisation. when cold. (part of circuit diagram displayed)
• Distorted picture. Excessive vertical size. on lower half screen. (part of circuit diagram displayed)
• Dead. Pulsates 4 times. (picture attached)
• Vertical collapse. (with circuit diagram extract) (KVX2131 tips)
• PSU cannot be adjusted. (with circuit diagram extract) (KVX2131 tip from OTTOVERSAND)
• Chopper transistor Q602 fails repeatedly. (with circuit diagram extract)
• Intermittent loss of sound of 1 speaker. Can not be resolved by tapping or bending print. (service info for OTTOVERSAND -KVX2131)
• Distorted audio. (with circuit diagram extract)
• Picture and sound fail (channel display jitters).
• Sound cracks sometimes, picture briefly black and white (distorted), OSD bounces, the whole picture bounces slightly.
• No picture. No TXT. No display. Audio OK . (+ extract of circuit diagram)
• Poor picture and hum from speakers when switching channels.
• Blank screen. (picture attached)
• E/W fault.
• Reduced vertical size. at bottom. (part of circuit diagram displayed)
• Blows after 10 secs, lacks raster amplitude. (with circuit diagram extract)
• Audio quality problem intermittently. Intermittent no sound or crackling. (+ extract of circuit diagram)
• Strong colours. (with circuit diagram extract)
• Picture drifts randomly in frequency.
• Black and white stripes across picture. Picture width and height stays unchanged. (+ extract of circuit diagram) (OTTOVERSAND - KVX2131 information)
• No colour. intermittently. (KVX2131 tip from OTTOVERSAND)
• Intermittently, picture distorted as if AFC problem then picture disappears. OSD OK.
• Usys is too low. Cannot be adjusted. (extract of circuit diagram attached)
• Frame distorted. Compressed at the bottom. (+ extract of circuit diagram)
• Frequencies slide at start up.
• Stations drift off tune or search does not stop.
• When tuned to off-air signal, tuning drops in and out every 5 seconds. (part of circuit diagram displayed)
• Reduced vertical deflection. Picture rolls. (extract of circuit diagram attached)
• No raster. (picture attached)
• Dark picture. on lower half screen. (KVX2131 tip from OTTOVERSAND)
• Horizontal picture wringing. (with circuit diagram extract)
• Faulty raster. Top of picture is compressed, no picture in bottom 5cm of picture. Picture OK when warm (after 10 mins).
• Audio muted in the first few minutes.
• Service information. When stocks of 21", 25" and 29" crt's are exhausted, they will be replaced by an itc, comprising CRT + scan yoke.
• Black screen. Other functions OK . (with circuit diagram extract)
• Noisy transformer. Standby noise from srt (only applies to 21" and 25" sets). (picture attached)
• RC unit.
• Picture size incorrect. Change in size of raster. (+ extract of circuit diagram)
• Audio quality problem intermittently. Intermittent no sound or crackling. (extract of circuit diagram attached)
• The adjusted stations disappear. When selecting the same channel site picture is immediately present again.
• Switches to video input if a VCR is connected via scart and VCR is switched to standby. (part of circuit diagram displayed)
• Purity error when switching. Purity errors on screen after initial switch on.
• MONO/STEREO identification problem in STEREO (PAL B/G) transmission reception.
• Right hand channel sound missing. (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.
• Intermittent colour. (picture attached)
• Poor vertical linearity. (with circuit diagram extract)
• Purity error when switching. Purity errors on screen after initial switch on.
• Blurry picture. (part of circuit diagram displayed)
• Appliance switches on and blinks once. No other functions. (part of circuit diagram displayed)
• Runs normally and station drifts off tune suddenly. Does not stop during station search but simply keeps running.
• 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. (part of circuit diagram displayed)
• Service info. The original -B012 software version of IC001 (SDA2093) has been replaced by -B021 and -B024 versions. (with circuit diagram extract)
• Tuning drift on one or more channels caused when customer tries to select an off air signal. Fault is AFT problem causing memory to be re-written. (+ extract of circuit diagram)
• Enter service mode. (service info for OTTOVERSAND -KVX2131)
• Intermittent audio.
• Reduced vertical size. intermittently. (part of circuit diagram displayed)
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory. (part of circuit diagram displayed)
• Switches uncontrolled to program 00. (extract of circuit diagram attached)
• Vertical error. Picture is only approx 10cm high in picture centre with white stripe. (+ extract of circuit diagram)
• Reduced vertical and horizontal size. (part of circuit diagram displayed)
• Yellow tint in picture intermittently.
• Starts only after the 2 or 3 switch on via mains switch. No start up with RC.
• Hiccups at switch on. (with circuit diagram extract)
• Hissing on mono sound only. Nicam and picture are ok. (+ extract of circuit diagram)
• Programs drop out. (picture attached)
• PSU pulsates. (part of circuit diagram displayed)
• Line tearing. (+ extract of circuit diagram)
• Stripes after approx 30 mins. Picture jumps to lowest channel and picture is black-white. (part of circuit diagram displayed)
• Flickering colours.
• Cannot be switched on and switches immediately to protective mode. LED flashes.
• Horizontal line. (KVX2131 OTTOVERSAND repair tip)
• Audio quality problem intermittently. Intermittent no sound or crackling. (with circuit diagram extract)
• No picture. intermittently.
• No picture. OSD OK . (+ extract of circuit diagram)
• Picture tearing. OK on TXT. (picture attached)
• Poor focus.
• Low PSU voltages.
• Intermittently stereo indicator lit in some mono channels. Rattle/noise from one channel.
• Intermittent tuning memory problem. Tuning jumps to an adjacent channel if the set is turned on when there is no carrier on that channel. (part of circuit diagram displayed)
• Sync problem. Vertical sync may be disturbed when a bright picture is connected to the front Y/C input. (+ extract of circuit diagram)
• No line drive. Poor audio. (part of circuit diagram displayed)
• No reception on high/low channels. (KVX2131 tips)
• It may happen that during a Mono broadcasting, the stereo LED switches on. At this time, a strong audio noise may be heard.
• No tuner function. Intermittently no picture, brightness or contrast control. Intermittent cracking in sound. Intermittently switches automatically over or cannot be switched on with RC. (extract of circuit diagram attached)
• No picture (intermittently). (picture attached)
• No sound from left hand speaker.
• Sweep tuning incorrect.
• Programs do not change. Stuck on PR00.
• Stored stations detune at switch over and then tune again. Picture stands still after some time. (+ extract of circuit diagram)
• At starting attempt appliance pulsates 3x and goes off completely. (+ extract of circuit diagram)
• Audio crackles. Green graphics flicker on screen.
• No blue.
• Intermittently colours are visible in negative. Picture too dark (no Y). (picture attached)
• No functions. after lightning strike. (picture attached)
• Can only start very poorly from standby. Only starts if the RC is approx. 10cm from the IR receiver. If it runs, RC functions perfectly. (with circuit diagram extract)
• No audio. No picture. (picture attached)
• Searches for channels continuously.
• When the channel signal disappears, the AFT searches for the next signal. This new frequency will then be stored in memory. (extract of circuit diagram attached)
• Programming memory IC.
• Tuning seems incorrect or the appliance goes to muting. (picture attached)
• General function problem. (part of circuit diagram displayed)
• Loud-speakers LEDs flicker three times at switch on and appliance switches off. (+ extract of circuit diagram)
• Nicam sound crackles, distorts or goes off completely. Mono sound ok. (OTTOVERSAND - KVX2131 information)
• Picture stretching at top of screen and severe foldover at the bottom of screen. (+ extract of circuit diagram)
• On-screen display is always mixed up. Flickering picture and plopping sound. (extract of circuit diagram attached)
• Noise in audio.
• Screen becomes red (with flyback lines) for several secs at irregular intervals.
• Attempts 3 times to start up, then switches off (even under load). (+ extract of circuit diagram)
• No functions. (picture attached) (service info for OTTOVERSAND -KVX2131)
• How to store channels without original RC.
• Jumps to CH12 on all programme sites, when warm. Distortion like a string of beads. (with circuit diagram extract)
• No sound in the beginning. After few minutes sound appears, but is low.
• No picture. No OSD. (+ extract of circuit diagram)
• Service information. Mcb connecting leads.
• Pulsing over bright picture with flyback lines, then goes to standby. (picture attached)
• Volume can be turned only up.
• Slow start-up.
• Picture reduced in height: 5cm, lacks width, E/W fault. (extract of circuit diagram attached) (OTTOVERSAND - KVX2131 information)
• No audio. Picture OK .
• PSU chirps at switch on and standby LED flickers. Starts normally after some time. Fault only when cold.
• The same channel on all program sites. (picture attached)
• Unstable and critical vertical. Picture expands, folds over, etc., when knocking the chassis.
• No brightness. Excessive blue. (picture attached)
• LED flashing.
• Crackling nicam but only on the video channel in the E-E mode. (OTTOVERSAND - KVX2131 information)
• No EHT with scan drive at approx. 10V.
• Hissing effect on normal mono sound. Picture and NICAM sound OK. (with circuit diagram extract)
• Preferential adjustment with colour to minimum and contraste to maximum. (OTTOVERSAND - KVX2131 information)
• Picture is distorted in cold conditions. Sometimes no picture content. Sound ok. (service info for OTTOVERSAND -KVX2131)
• Intermittently or constantly green, red or blue picture without content. Flyback lines.
• Egg-shaped picture. Top of picture disappears from screen. (extract of circuit diagram attached)
• How to adjust and store basic values.
• Picture blanks out leaving just channel display, possibly intermittent.
• Dark picture. (part of circuit diagram displayed) (KVX2131 tip from OTTOVERSAND)
• Standby LED flashes.
• Poor linearity or geometry. Frame linearity fault. Usually only occurs in sets which are more than two years old. (+ extract of circuit diagram)