ICC6 / TCE [TV (chassis)]

• Wavering verticals can be experienced with some prerecorded tapes. (extract of circuit diagram attached)
• The red standby LED does not light up. TV functions but occasionally there is a bright flash and a dark screen. (part of circuit diagram displayed)
• No RC functions. No front panel function. (with circuit diagram extract)
• Exiting the production mode.
• No function, standby point is not visible.
• TP16 becomes defective after a while.
• PSU fails immediately after switch on.
• Contrast average value is too high.
• Picture shifted 4cm on the right and also 4cm black band on the left of the screen.
• No blue.
• No signal.
• Bouncing picture.
• Trips 9 times then dead. LED does not always blink.
• Remains in stand-by position. No switch on from the RCU or from the front control panel.
• When TV is switched on, after a brief moment the LED diode switches off and flashes intermittently.
• Black screen. Audio OK .
• Switches to standby. after a few seconds.
• Pinkish screen and low luminance after a few minutes.
• Switches to protection mode. (+ extract of circuit diagram)
• Dark picture. (picture attached)
• No start-up.
• Black screen.
• Distorted picture. Strong streaking.
• No audio. Picture OK . Switches to standby (after a few minutes). (part of circuit diagram displayed)
• Shuts down. intermittently. (service info for TCE -ICC6)
• Comes on briefly, LED goes red then green then switches off. (part of circuit diagram displayed)
• Picture flickers with coloured OSD (eg from a VCR). (part of circuit diagram displayed)
• Function menu appears by itself. No controls. Same fault after 1 hr. (TCE - ICC6 information)
• Secondary protective circuit TV01 and TV02 disconnects intermittently.
• Switches to standby.
• Line transformer starts up then stops. (part of circuit diagram displayed)
• Picture is out of frame by 5cm on right-hand side.
• TV in safety mode. If the safety is removed, power supply voltage and line transformer OK, sound present but white screen, OSD OK. (picture attached)
• No horizontal synchronisation. (part of circuit diagram displayed)
• After changing channel six times, remains blocked on a channel.
• Tuning menu suddenly appears in screen.
• TV starts up, LED is green, then stops and starts up several times.
• Goes occasionally to Hotel mode.
• Contrast and/or gain is low.
• No videotext mode.
• Switches to standby. after start-up.
• Switches on then goes to standby. Green LED lights up then switches off. TV trips.
• No start-up. LED blinks . (part of circuit diagram displayed) (ICC6 TCE repair tip)
• Synchronisation problem. Picture is torn.
• Screen is dark or picture is faint. Son present.
• On/Off switch type MSA is worn after 10-12 months.
• Sound volume slowly becomes low.
• At start line transformer cracked. After replacing, Tv functions for three weeks then when it is started up LED becomes green for a second, line transformer starts up then TV goes into standby.
• Shuts down. after a while.
• Frame is very bright; regular Teletext. (part of circuit diagram displayed) (ICC6 tip from TCE)
• Black screen or dark picture. No brightness adjustment possible.
• Enter service mode.
• Line stage does not start up.
• Picture shifted to the right. OSD OK .
• Pulsates twice then dead. Voltages on the primary: DP56: 12V, DP53: 21V, DP51: 119V (voltages taken after the 2 pulses). (part of circuit diagram displayed)
• Line transformer starts up then is interrupted rhythmically. Power supply OK. (with circuit diagram extract)
• Total failure. Line BU is defective. After replacing PSU, pulsates once. (picture attached)
• AV time constantly incorrect during PB of MACRO encoded tapes. (+ extract of circuit diagram)
• No start-up (intermittently). (ICC6 tip from TCE)
• Picture folded over to a line.
• Blurred OSD information, not legible. Letters become a white line.
• No picture. No audio. OSD OK . (with circuit diagram extract)
• White screen during tuner reception and via scart.
• After approx 1 to 2 hours sound gets lower and then fails completely. (+ extract of circuit diagram)
• Incorrect brightness.
• No horizontal deflection.
• Tries to start up. Scanning appears for a short time. Pulsating. Green and red lights come on each in their turn. (extract of circuit diagram attached)
• Time base builds up then stops. EHT 120V has been disconnected. 120V present and power supply voltage ok, line transformer changed but the same. BUH314D replaced by S2055.
• Standby light goes from red to green. Line transformer secondary voltages vary. Line transformer ok. (+ extract of circuit diagram)
• Picture is blurred horizontally. (ICC6 tips)
• Picture is dark, screen menu ok.
• Switches to AV by itself.
• Protection mode activated.
• Picture too bright even if G2 is decreased.
• Base command of line transistor.
• Reduced vertical size at top.
• Line transformer pulsates twice then stops. (+ extract of circuit diagram)
• White screen. Audio OK .
• LED flashes 6 times and tries to start up then nothing. (picture attached)
• Loss of colours when changing channel. Settings ok. Modification IT 182 has been done. OSD remains in colour. (with circuit diagram extract)
• Intermittent vertical deflection, only lines in the bottom part of the picture
• No picture in HF or in scart. Sound ok.
• No audio (intermittently). (with circuit diagram extract)
• No HV.
• Interference in picture.
• Picture darkens at the corners after a slight moire effect, then becomes progressively dark up to centre of screen. (+ extract of circuit diagram)
• Switches to scart after 10-15 minutes. Indicates "RGB". RC is always active and allows the switching to RF. (ICC6 tip from TCE)
• One of rectifier diodes DP0609 is S/C.
• Stuck in standby.
• Does not stop switching to scart position or RGB while watching a TV programme.
• Vertical lines are distorted horizontally. E/W equalizer can not be adjusted correctly.
• No audio and stop function does not work during programme search. (+ extract of circuit diagram)
• Production changes - Chrominance Circuit IV01.
• Protection of IF01 (TDA1771). (with circuit diagram extract)
• Activating the install menu.
• Picture shifted to the right. Unstable picture. (service info for TCE -ICC6)
• Intermittently no functions via the RC or the keys of the TV panel.
• Picture shifts to the right. 2cm red stripe on left side.
• Very dark picture in scart but sound ok. In normal mode, picture and sound ok. (+ extract of circuit diagram)
• Defective frame. Picture appears on bottom half of screen with foldover at bottom and flyback line on top. (TCE - ICC6 information)
• Vertical line. (TCE - ICC6 information)
• No sound. No picture. Snowy screen intermittently. Picture and sound occasionally return. Everything OK via SCART.
• No functions. (picture attached)
• LED flickers and goes red then green.
• No RC function. A red P1 displayed at left of picture.
• No start-up (when cold). (with circuit diagram extract)
• Picture restricted in height and striped. (extract of circuit diagram attached) (ICC6 TCE repair tip)
• Black dashes on screen. Occasionally nothing else but snow.
• No start up of CTV, start up possible when connecting base of TR96 to ground. Operation ok. (ICC6 TCE repair tip)
• Displays 'PI' in red and channel number at bottom right. No functions with RC. Power On OK with TV key.
• No picture. (extract of circuit diagram attached)
• Brightness varies.
• TL19 fails in line output stage.
• Distorted upper linearity. (extract of circuit diagram attached)
• Contents of Thomson power supply repair kit.
• Switches to standby (after start-up).
• No or very weak sound in PAL.
• Line flickers on picture.
• No tuning. (service info for TCE -ICC6)
• No colour. in PB and REC.
• Dark picture in scart and HF. Brightness does not work. (ICC6 tips)
• Brightness is too high even when G2 is set to zero. (service info for TCE -ICC6)
• PSU connects and disconnects alternatively. (service info for TCE -ICC6)
• Noise at switch on. No sound. (service info for TCE -ICC6)
• Reduced vertical size at bottom. Retrace lines.
• IC compatibility.
• Low contrast. No contrast control.
• No picture (intermittently). (with circuit diagram extract)
• Coloured tinge in picture.
• Pumping, line transformer starts up. Power supply ok. Line transistor command ok. (+ extract of circuit diagram)
• Vertical shaking on some UHF channels. (Appliances with Teletext board DVT6601).
• Picture in black and white in scart when going through a VCR. Picture ok in RGB signal.
• Blue picture.
• Protection mode activated. LED blinks .
• No raster. Audio OK . (part of circuit diagram displayed)
• Dead. (part of circuit diagram displayed)
• No picture. Audio and OSD OK . (with circuit diagram extract)
• Picture has shifted to the right without loosing sync.
• Vertical amplitude is too low.
• No picture. intermittently. OSD and TXT OK .
• TV starts up then base command signal of the line transistor is interrupted in a rhythmic fashion.
• Bright raster. Flyback lines.
• No colour. via SCART.
• Lines in picture. after a few minutes.
• Diodes DP06, DP07, DP08 and DP09 (each 1N4007) fail at start-up. (extract of circuit diagram attached) (TCE - ICC6 information)
• Sound ok between min and halfway then remains at average value between halfway and max. (with circuit diagram extract)
• At start up, line scan switches on, trips and goes to standby. During start up, standby LED fades out and becomes normal again. (TCE - ICC6 information)
• Black and white picture when cold and when changing channels. (+ extract of circuit diagram)
• Value of RF27.
• Does not switch to standby. (with circuit diagram extract)
• Low brightness.
• No sound. Switches over channels continuously. Channel search doesn't stop. Standby switch over is not complete: picture cuts off, but scanning functions. Cannot switch to service mode.
• No reception, snow on screen. Tuner power supply ok, tuner ok, IF board has been changed, scart ok.
• Picture compressed in lower part with flyback lines.
• No picture or sound. Lines appear if you force G2. (with circuit diagram extract)
• Switches to protection mode. intermittently. (part of circuit diagram displayed) (service info for TCE -ICC6)
• Entire picture shifted to the right, beside the delay line VV01.
• After switch on, vertical centering has shifted intermittently upwards approx 2 cms. It returns to normal position after approx 10 mins.
• No picture. No sound. High voltage builds up. Appliance then switches off. (extract of circuit diagram attached)
• Picture has shifted to the right, twitches sometimes.
• No start-up. Standby LED flashes .
• No picture. after a few minutes.
• Synchronisation stability. (with circuit diagram extract) (ICC6 TCE repair tip)
• No synchronisation. No audio. via tuner. OK via SCART .
• No image Menu and TXT OK.
• Field bounce variable with picture content.
• PSU collapses.
• No start-up from standby.
• Line stage does not start up.
• Permanent channel display with the selections running through after 5 minutes.
• Transistor to be used for decoupling of power supply.
• Vertical picture position shifts intermittently upwards approx 2 cm after switch on. It is OK after approx 10 mins.
• No picture. via SCART. (service info for TCE -ICC6)
• Line transistor base signal cuts out in a rythmic fashion. Line transformer starts up and cuts out indefinitely. (+ extract of circuit diagram)
• Horizontal jitter. (with circuit diagram extract)
• Lines in picture. Line tearing.
• PI displayed in top left corner. No RC operation.
• Loud audio. Volume varies. at start-up.
• Vertical picture foldover at centre of tube. Picture is faint and blue, probably after a bolt of lightening.
• Scanning starts at switch on, then power supply cuts out immediately or after a few mins. When PSU works, it whistles depending on picture content. (ICC6 TCE repair tip)
• Screen is dark. Sound and display on the screen are ok.
• Switches intermittently at random between programmes and volume display is visible on screen.
• No colour. when changing channels.
• Does not function after switching on again. (TCE - ICC6 information)
• PSU does not always start after switch on via front control or RC.
• Switches to standby. after a few seconds. Cycles on/off.
• Intermittently no picture; dark green raster. OSD bar is white. Sound OK.
• How to unlock appliance.
• At switch on line transformer starts up then stops. The various signals are perfect on the oscilloscope. Power supply ok and line transformer is not the cause.
• Line transformer starts up. (picture attached)
• Faulty OSD.
• TP29 fails after switch on.
• In HF dark screen and blue OSD but ok in scart. (extract of circuit diagram attached)
• Can not be switched on from standby via front control or RC. (TCE - ICC6 information)
• OSD illegible.
• Slight whistling at switch on. Red LED on the front flashes. Normal voltage. (+ extract of circuit diagram)
• No start-up. Red LED blinks.
• How to remove safety mode to advance in the troubleshooting.
• Enable child lock.
• No audio. No tuning. Picture OK . (extract of circuit diagram attached)
• Excessive brightness.
• Won't access SERVICE mode.
• No brightness control. Colour OK . (picture attached)
• No picture. Black screen. No menu display. Frame fault. (ICC6 tips)
• Switches to protection mode. at start-up. (extract of circuit diagram attached) (ICC6 tips)
• No picture. intermittently.
• No functions. Standby LED is not visible.
• Vertical jitter. (+ extract of circuit diagram)
• At switch on red light comes on, green light flashes 2-4 times then dead. (with circuit diagram extract)
• Green tint in OSD. (+ extract of circuit diagram)
• Picture is very dark and green. Adjustment is impossible. Nothing works. Flyback lines on screen. No luminance. (with circuit diagram extract)
• No picture. Sound OK. Via AV everything OK.
• Line output transistor fails repeatedly.
• Blank raster.
• Does not come on from standby, red standby light comes on.
• At switch on, EHT appears for a few moments then switches off. (+ extract of circuit diagram)
• No functions. Red LED blinks. (ICC6 TCE repair tip)
• White screen. Retrace lines. Switches to protection mode.
• Horizontal line. Protection mode activated.
• Dark picture. OSD OK . (picture attached)
• No synchronisation.
• Standby light flashes green and occasionally does not flash after some time.
• On some receivers frame bounce according to picture content.