234605 KVM2101D / HANSEATIC [TV]

• No horizontal synchronisation (intermittently).
• Blank raster.
• Picture fades out. Audio OK.
• Screen does not light up and no sound. Crackling in transformer. (+ extract of circuit diagram)
• Trips. (extract of circuit diagram attached)
• Dark picture. No audio. No picture. after a while. OSD OK . (+ extract of circuit diagram)
• Excessive horizontal size. Pincushion distortion.
• Hiccuping.
• Squealing from PSU.
• The vertical dashes of the bar graph appear on the screen when adjusting sound, colour, contrast and brightness, but they are too fine and hardly visible. (with circuit diagram extract)
• No brightness. Audio and picture OK .
• Occasionally sound and contrast at 50%. The controls function.
• Gray frame without picture; flyback lines. Sound is OK. (extract of circuit diagram attached)
• Dead. LED lit OK when function keys pressed.
• Tuning drifts. (+ extract of circuit diagram)
• Only partial picture. Frame collapse. (with circuit diagram extract)
• Appliance can be started with RC, but after that no functions.
• Reduced vertical size at top. (picture attached)
• Picture too dark in a cold environment. At switch-on or when changing from weak to strong signal, a dark picture with line pulling may appear for ½ minute. (part of circuit diagram displayed)
• No EHT. LED is OFF.
• Power problem. 19" and 21" models only. For 14" and 16" models the original type BU508AS2 transistor should be used. (+ extract of circuit diagram)
• Smearing in picture.
• Excessive horizontal size. Streaks in picture. on the right. (extract of circuit diagram attached)
• Wavy picture. Picture rolls. OK via SCART . (with circuit diagram extract)
• Fading picture while turning contrast up and down.
• Unstable picture and black stripe on left side of screen.
• Dead, buzz at switch on and slight flicker from standby light.
• About 20 minutes after switch on, contrast and sound fade.
• Reduced vertical deflection. Lines in picture. at top.
• Faint vertical lines on left side of picture.
• Unstable horizontal sync with or without vertical elements on picture. (234605 tip from HANSEATIC)
• Blanking lines on picture. Flyback lines on upper part of screen. (with circuit diagram extract)
• No raster. Low audio. Raster OK .
• Defective picture after a certain time. Vertical instability at channel switch-over.
• Factory preset incorrect.
• Switches to protection mode. (part of circuit diagram displayed)
• Gain is poor.
• Flickering picture.
• Red and green picture on a 3cm bar on left side of screen. (with circuit diagram extract) (234605 tip from HANSEATIC)
• After replacing the memory IC, the brightness level becomes maximum when the button is pressed.
• Does not switch to standby.
• Arcing in picture.
• Channels switch erratically with RC.
• Horizontal line. (service info for HANSEATIC -234605)
• Picture OK at switch on, then AGC voltage drops.
• No audio (intermittently). (with circuit diagram extract)
• Bars in picture. Audio OK .
• IC501 fails repeatedly.
• No subtitles with the "Subtitles for the hard of hearing" decoder.
• Dead. Standby LED lit .
• Retrace lines. (234605 HANSEATIC repair tip)
• No HV. after start-up. (234605 tip from HANSEATIC)
• Dark picture. Green flaring and burning smell. (part of circuit diagram displayed)
• Reduced vertical size. (with circuit diagram extract)
• Luminance disappears after approx 30 mins, particularly if VOL+ selected. No sound after a while if left. (picture attached)
• Snow when aerial plug touched.
• No picture or sound. Standby light comes on then goes off at start up. (with circuit diagram extract)
• Bright picture. Flyback lines. Audio OK .
• Poor and varying colours when chassis is tapped.
• Poor focus. After replacing the memory IC the brightness level becomes maximum when the reset button is pressed. (+ extract of circuit diagram)
• Horizontal size cannot be adjusted. Ragged picture on 3/4 of screen.
• No audio (via SCART).
• Sound and contrast fade after a time.
• Yellow picture in scart and aerial. (extract of circuit diagram attached)
• Tripping. (HANSEATIC - 234605 information)
• Picture for a short time then loss of picture and OSD.
• Picture becomes red from time to time and becomes normal at channel switch over.
• White stripes. (part of circuit diagram displayed)
• Trips for a few minutes then comes on with no sound only smoke from PCB. (extract of circuit diagram attached) (HANSEATIC - 234605 information)
• Torn picture.
• No picture, just dim patches of colour. (+ extract of circuit diagram)
• Intermittent interference.
• No volume. No picture. If volume control is increased to maximum a faint picture starts to appear. (part of circuit diagram displayed)
• Dead, or sometimes runs for a minute then goes dead. No standby light.
• Dark picture (after warm-up).
• Arcing in picture and audio. (HANSEATIC - 234605 information)
• Dead. Standby LED blinks once on switch on then blinks once again a second later. Pressing prog up LED blinks rapidly.
• Blank screen. No audio. Fault occurs intermittently. . (part of circuit diagram displayed)
• Lines on screen. Picture flashing black and white.
• No or intermittent picture.
• Switches off and on again a few times after working fine for a few mins. Then everything OK.
• Channels roll over after a few minutes. Picture jumps.
• Between ON and standby with EHT coming up at each pulse, after a short time picture would appear but with reduced height and width.
• Lines on picture or black screen with OSG.
• Picture has shifted with flyback lines appearing.
• Switches to protection mode (intermittently).
• Fault in vertical section.
• Picture too dark. Very dim picture may vary as volume is turned up. The sound is also very low. (part of circuit diagram displayed)
• Poor colour quality. Grey scale incorrect. (part of circuit diagram displayed)
• Excessive HT.
• No start-up (intermittently). (extract of circuit diagram attached) (HANSEATIC - 234605 information)
• Picture too dark on certain stations/software/mode. A dark picture and/or a vertical line, bending at the top, may appear when a Y/C signal is applied.
• Stuck in standby. Power LED lit . (+ extract of circuit diagram)
• Poor horizontal output transistor.
• No picture. (+ extract of circuit diagram)
• Dead. Standby LED flashes . (part of circuit diagram displayed)
• Noise in picture. Noise in audio.
• Excessive brightness. (picture attached)
• No tuning.
• Memory IC initialization.
• Dead. LED blinks . (HANSEATIC - 234605 information)
• No picture and no sound with RC. Screen remains black. Front LED lights up at switch on.
• Dead. after lightning strike.
• As soon as aerial connector is moved, screen becomes black with channel number in green.
• No synchronisation (after a few minutes).
• After some time picture becomes dark and the sound gets quieter.
• Switches to protection mode (after warm-up). (part of circuit diagram displayed) (service info for HANSEATIC -234605)
• No colour on switching channels via scart/S-VHS. When channel is adjusted with fine tuning, colour is available. In spite of storing, colour disappears when switching.
• No PAL/SECAM switching. (extract of circuit diagram attached)
• No picture intermittently. Screen turning bright white. (picture attached)
• Picture or colour disappears when tapping chassis.
• Switches to standby (intermittently). (+ extract of circuit diagram)
• D611 is S/C.
• Mechanical hiccup when switching ON. No sound. Smoke pouring out slowly from the main board. Picture OK. Screen lights up.
• Left picture part appears on the right.
• Noises on RF sound. (picture attached)
• Vertical and horizontal correction adjustment.
• Low audio. Low contrast. (extract of circuit diagram attached)
• Sizzling from PSU intermittently.
• No picture or sound. Dark screen when RC is pressed. At switch on front LED lights up.
• No red (intermittently). (with circuit diagram extract)
• Dead. (with circuit diagram extract)
• No picture. No audio. OSD OK .
• No channel storing. (part of circuit diagram displayed)
• Excessive oscillation at top of screen and noticeable on signal. Vertical deflection occupies approx 10cm at top of screen. Picture height and linearity ok. (picture attached)
• Service information. The sub brightness and sub colour levels may be adjusted with a modified RM694 (add D3, cathode to edge of remote board).
• Picture becomes dim after running for a couple of hours.
• Intermittent flashing across picture. (picture attached)
• No picture. intermittently. Audio OK .
• White then blue screen. (+ extract of circuit diagram)
• Pincushion distortion (intermittently). (service info for HANSEATIC -234605)
• Vertical collapse. Audio OK . (picture attached) (service info for HANSEATIC -234605)
• No functions. LED is red .
• No picture. No sound. Standby LED is on at switch on, then goes off. At switch on via RC LED becomes red.
• Jagged picture. (service info for HANSEATIC -234605)
• Does not power up. Red LED blinks twice.
• Switches to protection mode (after start-up).
• Slight squeak at switch on then dead.
• 300V present but does not do anything. (extract of circuit diagram attached)
• Dead (intermittently). (+ extract of circuit diagram)
• No operation.
• No colour (after warm-up).
• Part number information. The microcontroller IC001 has been replaced by a new type.
• No start-up. (+ extract of circuit diagram) (service info for HANSEATIC -234605)
• Picture shifted to the right.
• Trips. Buzzing from PSU.
• Intermittently picture and sound drop out. Only program display can be seen then.
• Line output circuit does not function.
• Bright white raster with faint OSD after a few seconds. Audio OK.
• No E/W correction.
• Hachure on verticals.
• Distorted picture. (with circuit diagram extract)
• Bright red picture.
• Unstable picture. No contrast. after warm-up.
• Low contrast and sound for first 30 mins, then nothing.
• Picture disappears slowly.
• No picture (intermittently).
• Snow in picture.
• No RC functions. (part of circuit diagram displayed)
• No picture. via RF output.
• The contrast level very low and hardly adjusts.
• No picture. Low audio. (part of circuit diagram displayed)
• Intermittent colour. (picture attached)
• No picture. OSD OK . (part of circuit diagram displayed)
• No picture. Faulty OSD. Audio OK .
• High voltage power supply diode s/c. (+ extract of circuit diagram)
• AGC flickers. French models equipped with IC502 (TDA8304) and C521 (10µF/10V) may have a flicker problem. (part of circuit diagram displayed)
• Line tearing.
• No contrast.
• Interferences on picture and sound.
• Line BU fails.
• No brightness. Low audio. OSD OK .
• Picture shifted downwards and dim stripe on the left of screen.
• PSU ticks, at disconnected line output stage as well.
• Line output stage transistor (BU508A) blows repeatedly after operating for an hour.
• No switch on. LED flashes when front buttons are pressed.
• Red picture. (with circuit diagram extract)
• E/W fault.
• Dark picture. (+ extract of circuit diagram)
• Jagged verticals when warmed up. (part of circuit diagram displayed)
• White screen. after a while.
• Contrast and volume changes.
• No vertical deflection.
• Horizontal frizzy line in picture. Whistling from power supply.
• Dark screen. No audio. OK via SCART .
• Dead. Power LED lit . (part of circuit diagram displayed)
• Brightness varies.
• Comes on for a short time.
• No TXT. (+ extract of circuit diagram)
• Significant drift of the AGC which is impossible to stabilise. (picture attached)
• Blank screen. Flyback lines. (+ extract of circuit diagram)
• Picture becomes dark. Slow controls from front panel.
• Vertical collapse. (with circuit diagram extract)
• Picture starts to fade together with sound intermittently. Eventually screen gets black and only the channel number is present.
• Skips channels during tuning. No synchronisation. (with circuit diagram extract) (234605 tips)
• Decoupling power supply does not function.
• No functions. intermittently.
• Failure of IC501 (V-Out). (extract of circuit diagram attached)
• Defective fuse PS801 on 125V line.
• Intermittently low contrast. Intermittently partial blanked picture at top.
• Loss of picture or colour when tapping chassis.
• Faulty on screen display operation. Osd shifted to left. The adjustment is insufficient and distorts the osd signal. (picture attached) (HANSEATIC - 234605 information)
• Teletext is missing, page number displayed.
• Striped verticals on picture.
• Low contrast. Sound too low, when adjusting the volume the contrast adjusts at same time. (picture attached)
• RGB shifted as if convergence fault.
• Dark and extremely coloured picture. Picture OK at channel switch over.
• Switches to standby.
• Contrast too low after a while. The picture fades but the sound remains on. (with circuit diagram extract) (HANSEATIC - 234605 information)
• No functions. OSD OK .
• Horizontal lines. at top.
• Picture level problem. Three or four faint vertical lines about 1cm apart on the lh side of screen with varying brightness.
• Picture width cannot be controlled intermittently. Intermittently interference stripes in upper picture area.
• Linearity fault at the top of the picture. (picture attached)
• Picture faded after several hours. Reduced sound level. (234605 tips)
• S/C on base/collector/emitter of line BU.
• Over driven, weak white picture. (extract of circuit diagram attached) (HANSEATIC - 234605 information)
• Switch off or jump on channel switch over.
• Crackling audio. (picture attached)
• Stuck in standby.
• Picture has shifted and is smeared.
• Noise bars in picture for approx. 15 mins, then OK.
• Black screen. Audio OK .
• No functions. LED flickers once at switch on.
• No or poor tuning on some UHF channels.
• Dark screen. Channel display on .
• Blank raster. Audio OK . (234605 tip from HANSEATIC)
• Horizontal output transistor, Q802, fails. (with circuit diagram extract)
• No functions. (+ extract of circuit diagram)
• Purity spots.
• No colour and horizontal centering is incorrect. Picture is too far to the right. (picture attached)
• Picture and sound fades after 15 minutes.
• Dark picture. Brightens when volume is increased. (part of circuit diagram displayed)
• Dark picture and/or distortion of vertical lines at the top of the screen when using the Y/C input.
• No vertical synchronisation.
• Dead. Screen doesn't become bright. LED flashes 11times.
• The sub-bright level (preset picture level) is too high or too low. (extract of circuit diagram attached)
• Bright picture. Audio OK .
• Switches off by itself. after a few minutes.
• No picture. Audio OK .
• No colour intermittently when plugging in a DVD player or a game console on scart in composite video. OK in RGB.
• Picture shifted to the left.
• Adjustment of optimal brightness and colour levels.
• No picture/flyback lines in picture/red screen at start up.
• Intermittent loud whistling on line.
• No or poor colour.
• Horizontal streaks. Shuts down.
• No picture. No sound. Standby LED (red) flashes, at start LED (green) does not flash. Brief mains starting noise after switch on then switches off.