54326270 / INTERFUNK [TV (Standard)]

• Distorted picture. on the right. (+ extract of circuit diagram)
• Eliminate safety mode of PSU.
• No audio (when cold).
• After approx 20 mins colour TV switches off.
• Halts at switch on when cold. No start up. OK after a few attempts. (+ extract of circuit diagram)
• No tuning. Higher channels in band I/III/V are not received.
• PSU cannot be started from Stand By. 145V voltage in an unloaded condition is at approx 105V, the connected lamp does not light up, the voltage then collapses to approx 20V. (picture attached)
• Vertical jitter. when cold.
• Vertical collapse. (picture attached)
• Dark screen, only diffuse glow.
• No E/W correction. (extract of circuit diagram attached)
• Will not select text, or will only select mix or full text but not both, various other functions faulty. (service info for INTERFUNK -54326270)
• HT starts up, appliance switches off immediately. Power supply with lamp OK but documentation states voltage must be 60-100V when pin 4 of line transformer disconnected and lamp connected to D765 60-100V. Voltage in this case is 145V.
• Bright vertical stripes. No picture content. Sound OK. (picture attached)
• Unstable picture. (+ extract of circuit diagram)
• HV appears briefly and then disappears. (with circuit diagram extract)
• Random operation commands.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Intermittently line transistor defective at start up. Fault also occurs intermittently in channel search or when switching to another channel. Once appliance runs, it runs well.
• One side of picture is black.
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Poor synchronisation. No picture. after a while.
• Horizontal synchronisation fault, picture shifted towards left side. (with circuit diagram extract)
• Unclear picture with Hum content.
• NICAM is missing.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (extract of circuit diagram attached) (INTERFUNK - 54326270 information)
• Loses sync at start-up for a few minutes.
• Poor shading of picture, dark on one side and light on the other. (picture attached)
• Coloured lines (RGB test lines) in top of picture. (54326270 INTERFUNK repair tip)
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm. (service info for INTERFUNK -54326270)
• Switches on for a short time with RC, then switches off. "I" and "II" flicker on display. LED doesn't light. Starts up again with RC, if previously disconnected from mains.
• Line tearing. (picture attached)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Shuts down. (extract of circuit diagram attached)
• Horizontal collapse. after a while. (with circuit diagram extract)
• Left picture side is brighter, even via AV. (picture attached)
• Pincushion distortion.
• Top third of screen has ragged vertical lines.
• After transporting an appliance, the first time it starts up there may be distorted playback of colour (flickering, drop out or stripes) and/or defective teletext playback.
• Brightness differs between left and right hand side of the screen.
• When the appliance is switched on it goes into undefined operating conditions ie. in spite of correct operating voltages the appliance has eg. no picture, no sound, no display etc.
• Rattling noise or bubbling at start-up (when cold). (picture attached)
• Only blue light at right in picture.
• Excessive vertical size. Vertical foldover at bottom.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (part of circuit diagram displayed)
• No picture. No audio. (+ extract of circuit diagram)
• Hums at switch on. (with circuit diagram extract)
• Reduced contrast, especially on one side of the screen.
• Slightly wavy picture in the middle of the screen. (+ extract of circuit diagram)
• Reduced vertical size.
• Goes into safety mode at switch on. If FBT is unsoldered then HT is re-established. No apparent S/C in secondary of FBT. (with circuit diagram extract)
• Standby display lights up briefly, then no function.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• No picture content. Picture is greyish. (+ extract of circuit diagram) (INTERFUNK - 54326270 information)
• Poor line and picture synchronisation when cold.
• Bright raster. Flyback lines.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (with circuit diagram extract)
• Insufficient picture heigth (10cm) and severe linear distortion.
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (with circuit diagram extract) (54326270 INTERFUNK repair tip)
• Slow start-up. when cold. (with circuit diagram extract)
• Convex picture. Defective lower linearity. (extract of circuit diagram attached) (54326270 tip from INTERFUNK)
• Resistor R515 becomes defective. (extract of circuit diagram attached)
• Picture amplitude is too weak.
• No tuning. only on certain channels. Dark screen. on the right.
• Horizontal white line. (54326270 tips)
• Unstable horizontal picture.
• Horizontal jitter. Vertical jitter. (part of circuit diagram displayed)
• Does not switch ON. No power light showing. (54326270 tip from INTERFUNK)
• Cycles on/off.
• Blue, vertical stripe in the right third of the picture.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• No vertical deflection. intermittently.
• Instructions on how to put appliance into Service-Mode.
• At switch on appliance pulsated then reverts to standby again.
• Blank screen with purple haze at left hand side. (picture attached)
• AV correction.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Horizontal line.
• No colour (intermittently).
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (with circuit diagram extract)
• Illegible display. (with circuit diagram extract)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• No picture. on lower half screen. (+ extract of circuit diagram)
• No functions. after a while.
• No horizontal synchronisation. (part of circuit diagram displayed)
• DF-AF adjustment.
• Output transistor (S2000) fails when started from cold.
• Long picture at start up, black screen with rainbow spots.
• Picture with vertical and horizontal lines (when cold).
• Horizontal jitter. when cold.
• No vertical deflection. Horizontal line. Audio OK . (part of circuit diagram displayed)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Picture goes off after 1 minute; very low contrast, ok through scart. (picture attached)
• Loud noise. at start-up.
• At Power On standby LED switches off immediately after switching on.
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge. (54326270 tip from INTERFUNK)
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (picture attached)
• Picture shaking in a random direction. (+ extract of circuit diagram)
• Excessive brightness. Flyback lines. (+ extract of circuit diagram)
• Impossible to adjust the horizontal synchronization. Picture has shifted 10cm to the left. TDA 8372A on pin 20 has already been replaced, sandcastle incorrect. Power supply is good. (with circuit diagram extract)
• Poor PSU start up. Severe crackle in the loudspeaker.
• No picture. Hum in audio.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band. (INTERFUNK - 54326270 information)
• Vertical lines. No colour. after a while.
• Builds up high voltage for a short time and then switches off. (extract of circuit diagram attached)
• Poor vertical linearity at the bottom, also E/W error.
• Resistor R775 is defective.
• E/W fault. (part of circuit diagram displayed)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (extract of circuit diagram attached)
• Reduced raster size. (picture attached)
• Approx 20cm wide dark area in centre of picture and line tearing. (54326270 tip from INTERFUNK)
• Wavy picture. at top. (picture attached)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (extract of circuit diagram attached)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (with circuit diagram extract)
• Erratic functions. (extract of circuit diagram attached)
• Collapses at start up, then switches off.
• Line tearing. at top. (extract of circuit diagram attached)
• Switches to standby (intermittently).
• Defective linearity.
• Only standby LED lit. LED switches off at switch on then no function.
• Blocked control processor.
• EHT is heard starting up then everything stops 4 secs later.
• Excessive HV. (picture attached)
• Operation commands are not carried out.
• Very slight flickering with a light picture. (with circuit diagram extract)
• Dark picture. on the right. (part of circuit diagram displayed)
• Power supply defective after a few days. (part of circuit diagram displayed)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (+ extract of circuit diagram)
• Buzzing at start-up.
• Enter service mode.
• From a cold start line output stage transistor fails. (54326270 INTERFUNK repair tip)
• Hums at switch on, dies out slowly.
• Intermittent no image or yellow colouring. Knock sensitive. (+ extract of circuit diagram)
• Tripping.
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (part of circuit diagram displayed)
• Dark screen at start up. Line transformer ok with flyback lines. Top 2 or 3 lines ok. In PB apparently functions around the IC TDA8372A. (with circuit diagram extract)
• Dark picture. intermittently. (54326270 tips)
• Does not go into text mode, mix mode is not possible.
• Poor adjustment of horizontal picture centering. (with circuit diagram extract)
• Programming menu can not be accessed. (extract of circuit diagram attached)
• Power supply seems to remain in safety mode. (extract of circuit diagram attached)
• Black screen. Display flashes once at switch on. (54326270 tips)
• The teletext contrast is considerably too high after installing the teletext decoder.
• Front LED briefly lights up at switch on then it switches off. LED remains lit when mains plug is connected and disconnected but it definitely switches off at start up.
• Line transformer starts up but no display, nothing on the screen and no sound. (extract of circuit diagram attached)
• As described in the manual it is possible to operate the video recorder on all program places through the aerial. But some appliances only change over on channels 37-39.
• Very pale picture which is shifted to the left. Voltage is correct. (extract of circuit diagram attached)
• Shadowing effect, left side of picture is brighter than the right one. (+ extract of circuit diagram)
• Dead. after start-up.
• NICAM check.
• Picture shifted to the left. Alignment works normally. (+ extract of circuit diagram)
• No start-up from standby.
• No raster sync in HF. Ok in scart. (with circuit diagram extract)
• Picture shifted to the right.
• Picture collapse on half of the picture.
• Vertical line tearing. intermittently.
• Bright picture. on the right. Dark picture. on the left. (part of circuit diagram displayed)
• Poor audio.
• Picture distorted, shifted upwards and a little bit too wide.
• FBT blows after a few mins. (with circuit diagram extract)
• White point when switching off with ON/OFF switch. No point in standby.
• PSU fails intermittently. (picture attached)
• No HT output from power supply. OK in standby. (extract of circuit diagram attached)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (with circuit diagram extract)
• Hum bars, especially on yellow or orange background.
• Pulsating picture. (part of circuit diagram displayed)
• Only snow in the picture, after changing the tuner the fault is still there.
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (with circuit diagram extract)
• Vertical, bright stripe faintly visible in the right third of the picture.
• Centre of snowy picture is darker than edges. (part of circuit diagram displayed)
• Picture tearing.
• Control unit processor is defective. (picture attached)
• No horizontal or vertical deflection. (54326270 tips)
• Excessive brightness. in the centre. (picture attached)
• 88 shown on LED display.
• PSU doesn't start up when cold. (extract of circuit diagram attached)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Remains in standby. Starts up when wiper forced. 88 on display. No picture and no sound. Goes into standby as soon as switch is released. (part of circuit diagram displayed)
• Picture rolls. when cold. (extract of circuit diagram attached)
• Intermittently line tearing in the middle (approx. 20cm wide). (+ extract of circuit diagram)
• Vertical curtain-like stripes which may be distributed over the entire screen. (part of circuit diagram displayed) (54326270 tips)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Black picture. Sound OK. Picture is OK after restart. (picture attached)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears. (54326270 tips)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Intermittently dead. (+ extract of circuit diagram)
• Switches to protection mode. at start-up. (with circuit diagram extract)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (+ extract of circuit diagram)
• The picture is too large and wavers.
• Picture is too wide. E/W distorted.
• Switches off when selecting a function via RC.
• No start up, no standby light, variable voltage on pin 16 of IC701. (picture attached)
• No TXT (intermittently).
• No start up after changing IC601. Nothing lights up on the front.
• E/W trapezium does not function.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (part of circuit diagram displayed)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Switches off immediately after plugging in mains. (with circuit diagram extract)
• No tuning.
• PSU switches from standby to safety mode at switch on.
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (+ extract of circuit diagram)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (with circuit diagram extract)
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• Can be switched to standby only if power plug is pulled out.
• Line BU is abnormally hot. (service info for INTERFUNK -54326270)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (+ extract of circuit diagram)
• HV arcing. (+ extract of circuit diagram)
• Picture is distorted and changes. Loss of colours. (picture attached)
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (with circuit diagram extract)
• PSU is defective. 300V is present.
• No TXT.
• High voltage runs high. Flashover all over.
• Noise in picture. Poor horizontal synchronisation.
• Blue screen. Flyback lines. Audio OK .
• Picture shifted to the left, too small and not adjustable. (extract of circuit diagram attached)
• No control and cannot be switched off when started up from standby.
• E/W-fault.
• LED lights up briefly then nothing more.
• Dark picture.
• Picture shifted to the left. (+ extract of circuit diagram)
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Picture and sound missing. Via scart socket with video recorder OK (with circuit diagram extract)
• Stops after 5 seconds. No standby LED. (+ extract of circuit diagram)
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (+ extract of circuit diagram)
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (with circuit diagram extract)
• Black vertical bars on picture, mostly visible in AV with no video source. (picture attached)
• Control unit does not function. Does not switch on. (part of circuit diagram displayed)
• High voltage build up for short time then PSU switches off. (part of circuit diagram displayed)
• When ON/OFF switch is pressed LED lights up and then switches off. If line BU is replaced by lamp, it lights up and collector goes down to 124V instead of 155V. (with circuit diagram extract)
• Switches off completely after switch on. No standby function. (+ extract of circuit diagram)
• At switch on, functions but with no picture. By pressing the CRT module it unblocks and the picture appears. Predominant colour depends on the pressure used.
• No colour. (54326270 tip from INTERFUNK)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Power supply hiccups. (54326270 INTERFUNK repair tip)
• Noise in the speakers and no start up or display on the front panel when switching on. (picture attached)
• Picture shifted horizontally. (extract of circuit diagram attached) (54326270 tips)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (+ extract of circuit diagram)
• Horizontal shaking. when cold.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Dead.
• PSU can not be loaded with 60W incandescent lamp.
• No PSU start-up.
• Double picture.
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Comes on for a short time. (part of circuit diagram displayed) (service info for INTERFUNK -54326270)
• Distorted vertical linearity. Barrel distortion. (with circuit diagram extract)
• Blank raster.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (with circuit diagram extract)
• Dark screen. on the right. (part of circuit diagram displayed)
• T501 fails repeatedly.
• No HV.
• HV builds up briefly and then shuts down
• Vertical or horizontal picture shaking both when hot and cold. (part of circuit diagram displayed)
• No synchronisation (after start-up). (extract of circuit diagram attached)
• Does not fully go to TXT or only blue mix TXT. (extract of circuit diagram attached)
• Picture too big. (picture attached)
• Attempts to start with no result. (part of circuit diagram displayed)
• Vertical IC fails. (with circuit diagram extract)
• No functions. (54326270 tip from INTERFUNK)
• White screen. Flyback lines.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• No picture (intermittently).
• Unusual TXT.
• Intermittent block.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (extract of circuit diagram attached)
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Line synchronisation available only after 2 mins. (service info for INTERFUNK -54326270)
• Too wide picture and East/West pincushion curving outward. (picture attached)
• Line frequency changes downward (squeaking, whistling).
• Horizontal stripe. in the centre.
• Line transistor S2000AF defective at switch on from cold. (part of circuit diagram displayed)
• The plug receptacle of the teletext decoder, which is contained in the additional component, does not fit mechanically into the socket receptacle of the appliance chassis.
• Lines in picture.
• No start-up. (extract of circuit diagram attached)
• Excessive horizontal size. (+ extract of circuit diagram)
• Does not start from Standby.
• Stuck in standby; RC ineffective. Stanby LED flickers. (picture attached)
• High voltage transistor (S2000) defective. (picture attached)
• Few segments of the display too bright. Doesn't respond to commands.
• Remains in standby after changing power IC. (extract of circuit diagram attached) (54326270 tip from INTERFUNK)
• Afterglow on deflection tube after switch off.
• No functions. Red LED does not flash.
• Sound channel 1 and 2 voltage level adjustment.
• No synchronisation during the first few mins. (+ extract of circuit diagram)
• No start-up (when cold).
• Whenever a function is requested display lights up then switches off.
• No picture. Audio OK . (picture attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• When TV started up, transistor (S2000AF) instantly burn out. (extract of circuit diagram attached)
• PSU starts briefly, then no more HV. (with circuit diagram extract)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Transistor T701 fails when appliance is switched off and on.
• PSU doesn't start-up or only after a while. Cracking sound.
• Does not switch on. Fluttering noise from the loudspeakers. (picture attached)
• Especially when cold some channels are not in the French standard. They remain in FM sound and inverted video. When warm and when changing programme suddenly picture and sound appear correctly. (picture attached)
• Poor PSU start-up or BU defective. (with circuit diagram extract)
• No horizontal synchronisation. at start-up. (part of circuit diagram displayed) (54326270 tips)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (+ extract of circuit diagram)
• Picture is out of alignment horizontally. 10cm black bar on the right. (extract of circuit diagram attached)
• Picture appears slowly. (extract of circuit diagram attached)
• Does not switch to standby. (with circuit diagram extract)
• At switch on, lights light up for an instant, voltage which ought to reach 145V increases to 60V but then goes back to 0V. (with circuit diagram extract)
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (picture attached)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Brightness varies. E/W fault. intermittently.
• Display flashing and rattles at switch on. (extract of circuit diagram attached)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Does not go into TXT mode. Mixed mode possible.
• Noise in audio. (extract of circuit diagram attached)
• Stuck in standby.
• White screen, horizontal lines without video signal. OK on scart output T971 OK IC950 OK. No beam limiter on 15 of IC950. Flash on the screen when changing channels. (54326270 INTERFUNK repair tip)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Motorboating noise at switch on. When you change IC701 the TV starts up again, it is possible to switch it off and to start it up by using standby. Otherwise, the fault starts again. (+ extract of circuit diagram)
• Low brightness. Picture too big.
• Black bar on the right side of the screen. Similar to displacement. (+ extract of circuit diagram)
• Vertical and horizontal synchronisation available only after 2 mins.
• Flashing picture. (with circuit diagram extract) (54326270 tip from INTERFUNK)
• Dark picture. Stripes after a while. OK after warm-up. (with circuit diagram extract)
• Programmes change by themselves. RC is OK.
• Shuts down. after start-up. (picture attached)
• No start up after changing FBT and constant whistling noise. (with circuit diagram extract)