54326820 / INTERFUNK [TV (Standard)]

• Does not start from Standby. (54326820 INTERFUNK repair tip)
• Horizontal shaking. when cold.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Long picture at start up, black screen with rainbow spots.
• Black picture. Sound OK. Picture is OK after restart. (with circuit diagram extract)
• Convex picture. Defective lower linearity. (part of circuit diagram displayed)
• PSU starts briefly, then no more HV. (picture attached)
• Output transistor (S2000) fails when started from cold.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• No start up after changing FBT and constant whistling noise. (part of circuit diagram displayed)
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (picture attached)
• No picture. Hum in audio.
• No start-up (when cold).
• Dead.
• PSU is defective. 300V is present. (service info for INTERFUNK -54326820)
• DF-AF adjustment.
• Does not switch on. Fluttering noise from the loudspeakers. (with circuit diagram extract)
• No synchronisation during the first few mins. (+ extract of circuit diagram)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (part of circuit diagram displayed)
• Picture shifted to the left. Alignment works normally. (with circuit diagram extract)
• Blue screen. Flyback lines. Audio OK .
• 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.
• No control and cannot be switched off when started up from standby.
• Picture is too wide. E/W distorted.
• Line synchronisation available only after 2 mins.
• PSU doesn't start-up or only after a while. Cracking sound.
• Picture appears slowly. (+ extract of circuit diagram)
• Shadowing effect, left side of picture is brighter than the right one. (with circuit diagram extract)
• Random operation commands.
• Picture tearing.
• Control unit processor is defective. (with circuit diagram extract)
• Black bar on the right side of the screen. Similar to displacement. (with circuit diagram extract) (INTERFUNK - 54326820 information)
• Picture is out of alignment horizontally. 10cm black bar on the right. (+ extract of circuit diagram)
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• No tuning.
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (with circuit diagram extract)
• Line transformer starts up but no display, nothing on the screen and no sound. (picture attached) (service info for INTERFUNK -54326820)
• Hums at switch on, dies out slowly.
• Switches off when selecting a function via RC.
• Very slight flickering with a light picture. (part of circuit diagram displayed)
• Centre of snowy picture is darker than edges. (+ extract of circuit diagram)
• Display flashing and rattles at switch on. (with circuit diagram extract)
• 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.
• Power supply seems to remain in safety mode. (part of circuit diagram displayed)
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Loud noise. at start-up.
• Line transistor S2000AF defective at switch on from cold. (extract of circuit diagram attached)
• Switches to standby (intermittently).
• Black screen. Display flashes once at switch on.
• Poor vertical linearity at the bottom, also E/W error.
• 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.
• AV correction. (54326820 INTERFUNK repair tip)
• Too wide picture and East/West pincushion curving outward. (picture attached)
• Poor PSU start up. Severe crackle in the loudspeaker.
• Picture is distorted and changes. Loss of colours. (with circuit diagram extract)
• No picture (intermittently).
• T501 fails repeatedly.
• No vertical deflection. Horizontal line. Audio OK . (with circuit diagram extract)
• Pulsating picture. (with circuit diagram extract) (INTERFUNK - 54326820 information)
• HV builds up briefly and then shuts down
• Blank raster.
• Picture shaking in a random direction. (extract of circuit diagram attached) (54326820 INTERFUNK repair tip)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• EHT is heard starting up then everything stops 4 secs later.
• Top third of screen has ragged vertical lines.
• Picture shifted horizontally. (part of circuit diagram displayed)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (+ extract of circuit diagram)
• Attempts to start with no result. (+ extract of circuit diagram)
• Poor line and picture synchronisation when cold. (service info for INTERFUNK -54326820)
• Tripping.
• Noise in audio. (part of circuit diagram displayed) (INTERFUNK - 54326820 information)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (part of circuit diagram displayed) (54326820 tip from INTERFUNK)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (with circuit diagram extract)
• Horizontal jitter. when cold.
• White screen. Flyback lines.
• Only snow in the picture, after changing the tuner the fault is still there. (54326820 tips)
• No start-up from standby.
• Few segments of the display too bright. Doesn't respond to commands.
• NICAM check.
• Does not switch to standby. (with circuit diagram extract)
• Erratic functions. (extract of circuit diagram attached)
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm. (service info for INTERFUNK -54326820)
• No picture. No audio. (picture attached)
• Buzzing at start-up.
• Does not switch ON. No power light showing.
• Vertical IC fails. (picture attached)
• Horizontal white line. (INTERFUNK - 54326820 information)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• No horizontal or vertical deflection.
• Flashing picture. (with circuit diagram extract)
• 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. (+ extract of circuit diagram)
• Intermittent block.
• Eliminate safety mode of PSU.
• Blank screen with purple haze at left hand side. (extract of circuit diagram attached)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• PSU switches from standby to safety mode at switch on.
• Intermittent no image or yellow colouring. Knock sensitive. (extract of circuit diagram attached)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture). (54326820 tip from INTERFUNK)
• No horizontal synchronisation. (+ extract of circuit diagram)
• Operation commands are not carried out.
• Intermittently dead. (picture attached)
• Picture shifted to the left. (picture attached)
• No picture content. Picture is greyish. (part of circuit diagram displayed)
• Brightness varies. E/W fault. intermittently.
• Vertical curtain-like stripes which may be distributed over the entire screen. (with circuit diagram extract)
• Vertical line tearing. intermittently.
• HV appears briefly and then disappears. (picture attached)
• No raster sync in HF. Ok in scart. (part of circuit diagram displayed)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• When appliance receives in Nicam stereo, the TV goes into PAL.
• 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.
• PSU doesn't start up when cold. (picture attached)
• Only blue light at right in picture.
• Excessive brightness. Flyback lines. (with circuit diagram extract)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (with circuit diagram extract)
• When TV started up, transistor (S2000AF) instantly burn out. (picture attached)
• Whenever a function is requested display lights up then switches off. (54326820 INTERFUNK repair tip)
• Poor synchronisation. No picture. after a while.
• 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. (picture attached)
• Coloured lines (RGB test lines) in top of picture.
• Vertical, bright stripe faintly visible in the right third of the picture.
• Excessive horizontal size. (picture attached)
• Wavy picture. at top. (with circuit diagram extract)
• 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. (part of circuit diagram displayed)
• Halts at switch on when cold. No start up. OK after a few attempts. (+ extract of circuit diagram) (INTERFUNK - 54326820 information)
• Afterglow on deflection tube after switch off.
• Remains in standby after changing power IC. (extract of circuit diagram attached)
• Excessive HV. (extract of circuit diagram attached) (54326820 tip from INTERFUNK)
• Bright raster. Flyback lines.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (extract of circuit diagram attached)
• Picture shifted to the left, too small and not adjustable. (picture attached)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (with circuit diagram extract)
• PSU fails intermittently. (+ extract of circuit diagram)
• Insufficient picture heigth (10cm) and severe linear distortion.
• Switches to protection mode. at start-up. (picture attached) (INTERFUNK - 54326820 information)
• Approx 20cm wide dark area in centre of picture and line tearing.
• Picture distorted, shifted upwards and a little bit too wide.
• Programming menu can not be accessed. (extract of circuit diagram attached)
• 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)
• The teletext contrast is considerably too high after installing the teletext decoder. (INTERFUNK - 54326820 information)
• Line BU is abnormally hot.
• 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.
• Defective linearity.
• Shuts down. (part of circuit diagram displayed)
• Excessive brightness. in the centre. (part of circuit diagram displayed)
• High voltage runs high. Flashover all over.
• Vertical collapse. (picture attached)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Horizontal line.
• Power supply defective after a few days. (with circuit diagram extract)
• Horizontal stripe. in the centre.
• Vertical jitter. when cold.
• Low brightness. Picture too big.
• Enter service mode.
• E/W fault. (part of circuit diagram displayed)
• Pincushion distortion.
• One side of picture is black.
• Poor PSU start-up or BU defective. (picture attached)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Picture too big. (with circuit diagram extract)
• No start up after changing IC601. Nothing lights up on the front.
• Dark picture. on the right. (picture attached)
• No PSU start-up.
• Collapses at start up, then switches off.
• HV arcing. (extract of circuit diagram attached) (54326820 tips)
• Dark screen. on the right. (picture attached)
• Does not go into TXT mode. Mixed mode possible.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• After approx 20 mins colour TV switches off.
• NICAM is missing.
• Stuck in standby.
• 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)
• Vertical lines. No colour. after a while.
• Does not fully go to TXT or only blue mix TXT. (picture attached)
• Stuck in standby; RC ineffective. Stanby LED flickers. (+ extract of circuit diagram)
• Resistor R775 is defective.
• Resistor R515 becomes defective. (with circuit diagram extract)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Unstable picture. (part of circuit diagram displayed) (service info for INTERFUNK -54326820)
• No colour.
• No E/W correction. (picture attached)
• Dark picture. Stripes after a while. OK after warm-up. (+ extract of circuit diagram)
• Unstable horizontal picture.
• Can be switched to standby only if power plug is pulled out.
• From a cold start line output stage transistor fails.
• Cycles on/off.
• No colour (intermittently).
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (part of circuit diagram displayed)
• Distorted picture. on the right. (with circuit diagram extract)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• White point when switching off with ON/OFF switch. No point in standby.
• 88 shown on LED display.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (+ extract of circuit diagram)
• No functions. after a while.
• No picture. Audio OK . (extract of circuit diagram attached)
• Switches off immediately after plugging in mains. (with circuit diagram extract)
• 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. (+ extract of circuit diagram)
• No functions.
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (+ extract of circuit diagram)
• E/W-fault.
• Picture rolls. when cold. (part of circuit diagram displayed)
• Black vertical bars on picture, mostly visible in AV with no video source. (picture attached)
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Line tearing. at top. (picture attached)
• 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 tuning. only on certain channels. Dark screen. on the right.
• No tuning. Higher channels in band I/III/V are not received.
• Vertical or horizontal picture shaking both when hot and cold. (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. (extract of circuit diagram attached)
• Dark picture. intermittently.
• Transistor T701 fails when appliance is switched off and on.
• Reduced contrast, especially on one side of the screen. (54326820 tip from INTERFUNK)
• Shuts down. after start-up. (picture attached)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (extract of circuit diagram attached) (54326820 tips)
• Poor adjustment of horizontal picture centering. (+ extract of circuit diagram)
• Picture shifted to the right.
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Line frequency changes downward (squeaking, whistling).
• No HV.
• Horizontal collapse. after a while. (+ extract of circuit diagram)
• Double picture.
• Standby display lights up briefly, then no function.
• Picture with vertical and horizontal lines (when cold).
• Unclear picture with Hum content.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (extract of circuit diagram attached)
• Picture and sound missing. Via scart socket with video recorder OK (+ extract of circuit diagram)
• Control unit does not function. Does not switch on. (+ extract of circuit diagram)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• No start-up. (extract of circuit diagram attached)
• No start up, no standby light, variable voltage on pin 16 of IC701. (part of circuit diagram displayed)
• Power supply hiccups.
• Horizontal synchronisation fault, picture shifted towards left side. (extract of circuit diagram attached)
• At Power On standby LED switches off immediately after switching on. (INTERFUNK - 54326820 information)
• Picture collapse on half of the picture.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (with circuit diagram extract)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (picture attached)
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Distorted vertical linearity. Barrel distortion. (part of circuit diagram displayed)
• Line tearing. (part of circuit diagram displayed)
• Only standby LED lit. LED switches off at switch on then no function.
• E/W trapezium does not function.
• 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)
• Programmes change by themselves. RC is OK.
• 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.
• PSU can not be loaded with 60W incandescent lamp.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (part of circuit diagram displayed) (service info for INTERFUNK -54326820)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Does not go into text mode, mix mode is not possible.
• Loses sync at start-up for a few minutes. (54326820 INTERFUNK repair tip)
• Reduced raster size. (part of circuit diagram displayed) (service info for INTERFUNK -54326820)
• Brightness differs between left and right hand side of the screen. (service info for INTERFUNK -54326820)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (+ extract of circuit diagram)
• No horizontal synchronisation. at start-up. (+ extract of circuit diagram) (54326820 tips)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines. (54326820 INTERFUNK repair tip)
• Stops after 5 seconds. No standby LED. (+ extract of circuit diagram)
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (+ extract of circuit diagram)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (part of circuit diagram displayed)
• Blue, vertical stripe in the right third of the picture.
• Poor audio.
• Dead. after start-up. (service info for INTERFUNK -54326820)
• Poor shading of picture, dark on one side and light on the other. (+ extract of circuit diagram)
• Bright picture. on the right. Dark picture. on the left. (+ extract of circuit diagram)
• Comes on for a short time. (+ extract of circuit diagram)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Instructions on how to put appliance into Service-Mode.
• No HT output from power supply. OK in standby. (extract of circuit diagram attached) (54326820 INTERFUNK repair tip)
• Bright vertical stripes. No picture content. Sound OK. (extract of circuit diagram attached)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal. (54326820 INTERFUNK repair tip)
• Unusual TXT.
• 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.
• Slow start-up. when cold. (+ extract of circuit diagram)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (with circuit diagram extract)
• No vertical deflection. intermittently.
• Rattling noise or bubbling at start-up (when cold). (+ extract of circuit diagram)
• Switches off completely after switch on. No standby function. (picture attached)
• Builds up high voltage for a short time and then switches off. (extract of circuit diagram attached)
• FBT blows after a few mins. (extract of circuit diagram attached)
• 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.
• Will not select text, or will only select mix or full text but not both, various other functions faulty. (54326820 INTERFUNK repair tip)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (+ extract of circuit diagram)
• LED lights up briefly then nothing more. (54326820 tip from INTERFUNK)
• Dark picture.
• Lines in picture.
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (+ extract of circuit diagram)
• Left picture side is brighter, even via AV. (part of circuit diagram displayed)
• Hums at switch on. (with circuit diagram extract)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (part of circuit diagram displayed)
• At switch on appliance pulsated then reverts to standby again.
• Sound channel 1 and 2 voltage level adjustment.
• 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. (extract of circuit diagram attached)
• No TXT (intermittently).
• Reduced vertical size. (54326820 tip from INTERFUNK)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Dark screen, only diffuse glow.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Blocked control processor.
• Picture goes off after 1 minute; very low contrast, ok through scart. (+ extract of circuit diagram)
• Excessive vertical size. Vertical foldover at bottom.
• Slightly wavy picture in the middle of the screen. (picture attached)
• Picture amplitude is too weak.
• Hum bars, especially on yellow or orange background.
• The picture is too large and wavers.
• Very pale picture which is shifted to the left. Voltage is correct. (with circuit diagram extract)
• No synchronisation (after start-up). (with circuit diagram extract) (54326820 INTERFUNK repair tip)
• No functions. Red LED does not flash.
• Horizontal jitter. Vertical jitter. (part of circuit diagram displayed)
• Illegible display. (+ extract of circuit diagram)
• Noise in the speakers and no start up or display on the front panel when switching on. (+ extract of circuit diagram) (54326820 tip from INTERFUNK)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Vertical and horizontal synchronisation available only after 2 mins.
• Noise in picture. Poor horizontal synchronisation.
• High voltage build up for short time then PSU switches off. (+ extract of circuit diagram)
• 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.
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (part of circuit diagram displayed)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Intermittently line tearing in the middle (approx. 20cm wide). (picture attached)
• No audio (when cold).
• No picture. on lower half screen. (picture attached)
• High voltage transistor (S2000) defective. (part of circuit diagram displayed)
• No TXT. (54326820 tip from INTERFUNK)
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (extract of circuit diagram attached)