54318780 / SCHAUBLORENZ [TV (Standard)]

• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (part of circuit diagram displayed)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (with circuit diagram extract)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (+ 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. (+ extract of circuit diagram)
• 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 attached)
• Intermittently dead. (with circuit diagram extract)
• Does not switch to standby. (+ extract of circuit diagram)
• Unstable picture. (picture attached)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Wavy vertical lines in the entire picture when cold. Picture jitters. (picture attached)
• Picture with vertical and horizontal lines (when cold).
• Picture appears slowly. (+ extract of circuit diagram)
• Power supply seems to remain in safety mode. (picture attached)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• No picture (intermittently).
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (picture attached)
• Stuck in standby; RC ineffective. Stanby LED flickers. (with circuit diagram extract)
• Dark picture. on the right. (with circuit diagram extract)
• Attempts to start with no result. (picture attached)
• Enter service mode.
• Black bar on the right side of the screen. Similar to displacement. (part of circuit diagram displayed)
• Horizontal white line. (54318780 tips)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (part of circuit diagram displayed)
• Programming menu can not be accessed. (part of circuit diagram displayed)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears. (54318780 tips)
• Shuts down. (part of circuit diagram displayed)
• 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. (SCHAUBLORENZ - 54318780 information)
• Noise in the speakers and no start up or display on the front panel when switching on. (+ extract of circuit diagram)
• 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)
• No HV.
• High voltage runs high. Flashover all over. (SCHAUBLORENZ - 54318780 information)
• Approx 20cm wide dark area in centre of picture and line tearing.
• Only blue light at right in picture.
• FBT blows after a few mins. (picture attached)
• Line transformer starts up but no display, nothing on the screen and no sound. (extract of circuit diagram 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.
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Too wide picture and East/West pincushion curving outward. (with circuit diagram extract)
• At Power On standby LED switches off immediately after switching on.
• Only snow in the picture, after changing the tuner the fault is still there.
• Control unit does not function. Does not switch on. (+ extract of circuit diagram)
• Distorted vertical linearity. Barrel distortion. (extract of circuit diagram attached)
• Does not go into text mode, mix mode is not possible.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Builds up high voltage for a short time and then switches off. (+ extract of circuit diagram)
• Cycles on/off.
• No synchronisation (after start-up). (extract of circuit diagram attached)
• Line tearing. (extract of circuit diagram attached)
• Instructions on how to put appliance into Service-Mode.
• Switches off completely after switch on. No standby function. (+ extract of circuit diagram)
• Vertical and horizontal synchronisation available only after 2 mins.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• White point when switching off with ON/OFF switch. No point in standby. (SCHAUBLORENZ - 54318780 information)
• Picture shifted to the left. (with circuit diagram extract)
• Centre of snowy picture is darker than edges. (picture attached)
• NICAM is missing.
• Transistor T701 fails when appliance is switched off and on.
• Hums at switch on, dies out slowly.
• Resistor R515 becomes defective. (extract of circuit diagram attached)
• Excessive vertical size. Vertical foldover at bottom. (service info for SCHAUBLORENZ -54318780)
• Pulsating picture. (with circuit diagram extract)
• Picture distorted, shifted upwards and a little bit too wide.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (part of circuit diagram displayed)
• Vertical lines. No colour. after a while.
• Operation commands are not carried out.
• No PSU start-up.
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (part of circuit diagram displayed) (54318780 tip from SCHAUBLORENZ)
• Vertical line tearing. intermittently. (54318780 tip from SCHAUBLORENZ)
• Excessive horizontal size. (+ extract of circuit diagram)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band. (54318780 SCHAUBLORENZ repair tip)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Vertical, bright stripe faintly visible in the right third of the picture.
• HV appears briefly and then disappears. (extract of circuit diagram attached)
• Dark picture. intermittently.
• No horizontal or vertical deflection.
• Picture shifted to the left, too small and not adjustable. (picture attached)
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• DF-AF adjustment.
• Programmes change by themselves. RC is OK.
• Black vertical bars on picture, mostly visible in AV with no video source. (part of circuit diagram displayed)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Switches off when selecting a function via RC.
• Few segments of the display too bright. Doesn't respond to commands. (54318780 tips)
• Hum bars, especially on yellow or orange background.
• 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.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (+ extract of circuit diagram) (SCHAUBLORENZ - 54318780 information)
• Sound channel 1 and 2 voltage level adjustment.
• No functions. Red LED does not flash.
• Poor synchronisation. No picture. after a while. (54318780 tips)
• Line transistor S2000AF defective at switch on from cold. (picture attached) (SCHAUBLORENZ - 54318780 information)
• Resistor R775 is defective.
• Random operation commands.
• T501 fails repeatedly.
• No raster sync in HF. Ok in scart. (extract of circuit diagram attached)
• Defective linearity.
• Does not switch on. Fluttering noise from the loudspeakers. (extract of circuit diagram attached)
• Poor line and picture synchronisation when cold. (54318780 tip from SCHAUBLORENZ)
• Convex picture. Defective lower linearity. (extract of circuit diagram attached)
• Vertical curtain-like stripes which may be distributed over the entire screen. (part of circuit diagram displayed)
• Loud noise. at start-up. (SCHAUBLORENZ - 54318780 information)
• Intermittent block. (54318780 SCHAUBLORENZ repair tip)
• Display flashing and rattles at switch on. (+ extract of circuit diagram)
• Line synchronisation available only after 2 mins.
• Control unit processor is defective. (+ extract of circuit diagram)
• Can be switched to standby only if power plug is pulled out.
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• PSU is defective. 300V is present.
• 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.
• 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 attached)
• Horizontal synchronisation fault, picture shifted towards left side. (part of circuit diagram displayed)
• PSU fails intermittently. (with circuit diagram extract)
• Blue screen. Flyback lines. Audio OK .
• 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.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (+ extract of circuit diagram)
• No audio (when cold).
• Pincushion distortion.
• White screen. Flyback lines. (54318780 tips)
• PSU doesn't start-up or only after a while. Cracking sound.
• From a cold start line output stage transistor fails.
• 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.
• No control and cannot be switched off when started up from standby.
• Black screen. Display flashes once at switch on.
• Noise in audio. (+ extract of circuit diagram) (54318780 SCHAUBLORENZ repair tip)
• Buzzing at start-up.
• PSU can not be loaded with 60W incandescent lamp.
• Blue, vertical stripe in the right third of the picture.
• No vertical deflection. Horizontal line. Audio OK . (part of circuit diagram displayed)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• HV builds up briefly and then shuts down
• Picture shifted horizontally. (+ extract of circuit diagram)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (picture attached)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Black picture. Sound OK. Picture is OK after restart. (with circuit diagram extract)
• No horizontal synchronisation. at start-up. (part of circuit diagram displayed)
• Dark picture.
• No picture. No audio. (with circuit diagram extract)
• Picture is distorted and changes. Loss of colours. (+ extract of circuit diagram)
• Picture is out of alignment horizontally. 10cm black bar on the right. (with circuit diagram extract)
• No functions. after a while.
• Wavy picture. at top. (+ extract of circuit diagram)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (with circuit diagram extract)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• High voltage transistor (S2000) defective. (extract of circuit diagram attached) (54318780 tips)
• Excessive brightness. Flyback lines. (+ extract of circuit diagram)
• Whenever a function is requested display lights up then switches off.
• Unstable horizontal picture. (54318780 tip from SCHAUBLORENZ)
• Switches to protection mode. at start-up. (picture attached)
• Blank screen with purple haze at left hand side. (+ extract of circuit diagram) (54318780 SCHAUBLORENZ repair tip)
• Horizontal shaking. when cold.
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (with circuit diagram extract)
• Loses sync at start-up for a few minutes.
• 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. (+ extract of circuit diagram)
• Reduced raster size. (picture attached) (SCHAUBLORENZ - 54318780 information)
• Shadowing effect, left side of picture is brighter than the right one. (+ extract of circuit diagram)
• Slow start-up. when cold. (with circuit diagram extract) (54318780 SCHAUBLORENZ repair tip)
• No tuning. only on certain channels. Dark screen. on the right.
• Picture is too wide. E/W distorted. (SCHAUBLORENZ - 54318780 information)
• 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. (picture attached)
• The teletext contrast is considerably too high after installing the teletext decoder.
• Picture rolls. when cold. (picture attached)
• Output transistor (S2000) fails when started from cold.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all. (54318780 tips)
• 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.
• Blank raster.
• Rattling noise or bubbling at start-up (when cold). (part of circuit diagram displayed)
• Picture shaking in a random direction. (+ extract of circuit diagram)
• Horizontal stripe. in the centre.
• Distorted picture. on the right. (extract of circuit diagram attached)
• No TXT (intermittently).
• Left picture side is brighter, even via AV. (+ extract of circuit diagram)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Top third of screen has ragged vertical lines.
• Dead. after start-up.
• Poor PSU start-up or BU defective. (+ extract of circuit diagram)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (extract of circuit diagram attached) (54318780 SCHAUBLORENZ repair tip)
• E/W trapezium does not function. (54318780 tip from SCHAUBLORENZ)
• Reduced vertical size.
• Bright vertical stripes. No picture content. Sound OK. (extract of circuit diagram attached)
• Dark screen, only diffuse glow.
• No start up, no standby light, variable voltage on pin 16 of IC701. (+ extract of circuit diagram)
• 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. (picture attached)
• Horizontal jitter. when cold. (service info for SCHAUBLORENZ -54318780)
• AV correction.
• Halts at switch on when cold. No start up. OK after a few attempts. (extract of circuit diagram attached)
• Poor shading of picture, dark on one side and light on the other. (part of circuit diagram displayed)
• Bright raster. Flyback lines.
• Double picture. (service info for SCHAUBLORENZ -54318780)
• No picture. Hum in audio.
• Vertical collapse. (picture attached)
• Afterglow on deflection tube after switch off.
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• No start-up (when cold).
• Power supply defective after a few days. (with circuit diagram extract)
• Erratic functions. (extract of circuit diagram attached)
• No start up after changing FBT and constant whistling noise. (+ extract of circuit diagram)
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm. (54318780 tips)
• Intermittent no image or yellow colouring. Knock sensitive. (with circuit diagram extract)
• No horizontal synchronisation. (+ extract of circuit diagram)
• Coloured lines (RGB test lines) in top of picture.
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (+ extract of circuit diagram) (54318780 SCHAUBLORENZ repair tip)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• 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.
• Intermittently line tearing in the middle (approx. 20cm wide). (+ extract of circuit diagram)
• 88 shown on LED display.
• 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.
• Very slight flickering with a light picture. (picture attached)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (+ extract of circuit diagram)
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (picture attached) (service info for SCHAUBLORENZ -54318780)
• Line BU is abnormally hot. (service info for SCHAUBLORENZ -54318780)
• E/W-fault.
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Only standby LED lit. LED switches off at switch on then no function.
• Goes into safety mode at switch on. If FBT is unsoldered then HT is re-established. No apparent S/C in secondary of FBT. (picture attached)
• Stuck in standby.
• When TV started up, transistor (S2000AF) instantly burn out. (part of circuit diagram displayed)
• PSU switches from standby to safety mode at switch on. (SCHAUBLORENZ - 54318780 information)
• No start up after changing IC601. Nothing lights up on the front. (54318780 tip from SCHAUBLORENZ)
• Vertical IC fails. (part of circuit diagram displayed)
• PSU doesn't start up when cold. (extract of circuit diagram attached)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (part of circuit diagram displayed)
• Hums at switch on. (+ extract of circuit diagram)
• At switch on, lights light up for an instant, voltage which ought to reach 145V increases to 60V but then goes back to 0V. (extract of circuit diagram attached)
• No TXT.
• Dark picture. Stripes after a while. OK after warm-up. (with circuit diagram extract)
• Vertical or horizontal picture shaking both when hot and cold. (part of circuit diagram displayed)
• Stops after 5 seconds. No standby LED. (with circuit diagram extract)
• Line tearing. at top. (+ extract of circuit diagram)
• Picture goes off after 1 minute; very low contrast, ok through scart. (with circuit diagram extract)
• No HT output from power supply. OK in standby. (+ extract of circuit diagram)
• Picture amplitude is too weak.
• Comes on for a short time. (with circuit diagram extract)
• Poor adjustment of horizontal picture centering. (+ extract of circuit diagram)
• Insufficient picture heigth (10cm) and severe linear distortion.
• No E/W correction. (+ extract of circuit diagram)
• Reduced contrast, especially on one side of the screen.
• Flashing picture. (+ extract of circuit diagram)
• Horizontal line.
• Picture too big. (+ extract of circuit diagram)
• After approx 20 mins colour TV switches off.
• Remains in standby after changing power IC. (picture attached)
• Unclear picture with Hum content.
• Vertical jitter. when cold.
• Low brightness. Picture too big.
• Switches off immediately after plugging in mains. (extract of circuit diagram attached)
• Brightness varies. E/W fault. intermittently.
• No picture content. Picture is greyish. (part of circuit diagram displayed)
• LED lights up briefly then nothing more.
• 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)
• Picture collapse on half of the picture.
• Poor PSU start up. Severe crackle in the loudspeaker.
• Lines in picture.
• No tuning.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• No tuning. Higher channels in band I/III/V are not received. (service info for SCHAUBLORENZ -54318780)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (extract of circuit diagram attached)
• Excessive brightness. in the centre. (+ extract of circuit diagram) (SCHAUBLORENZ - 54318780 information)
• Very pale picture which is shifted to the left. Voltage is correct. (extract of circuit diagram attached)
• Does not start from Standby.
• Switches to standby (intermittently).
• Poor audio.
• NICAM check.
• Does not switch ON. No power light showing.
• Long picture at start up, black screen with rainbow spots.
• No picture. Audio OK . (+ extract of circuit diagram)
• No functions.
• Brightness differs between left and right hand side of the screen.
• Picture tearing.
• No vertical deflection. intermittently.
• Standby display lights up briefly, then no function.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off. (SCHAUBLORENZ - 54318780 information)
• 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.
• The picture is too large and wavers. (54318780 SCHAUBLORENZ repair tip)
• One side of picture is black. (54318780 tips)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (picture attached)
• No start-up. (+ extract of circuit diagram)
• Eliminate safety mode of PSU.
• Poor vertical linearity at the bottom, also E/W error.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• No start-up from standby.
• Does not fully go to TXT or only blue mix TXT. (picture attached)
• EHT is heard starting up then everything stops 4 secs later.
• Blocked control processor.
• Excessive HV. (picture attached)
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Line frequency changes downward (squeaking, whistling).
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Picture shifted to the right.
• PSU starts briefly, then no more HV. (part of circuit diagram displayed)
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (with circuit diagram extract)
• No synchronisation during the first few mins. (with circuit diagram extract)
• No picture. on lower half screen. (+ extract of circuit diagram) (54318780 SCHAUBLORENZ repair tip)
• No colour (intermittently).
• Horizontal jitter. Vertical jitter. (extract of circuit diagram attached)
• Picture and sound missing. Via scart socket with video recorder OK (extract of circuit diagram attached) (54318780 SCHAUBLORENZ repair tip)
• Tripping.
• Power supply hiccups.
• Picture shifted to the left. Alignment works normally. (part of circuit diagram displayed)
• HV arcing. (+ extract of circuit diagram)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (picture attached)
• Dead. (SCHAUBLORENZ - 54318780 information)
• At switch on appliance pulsated then reverts to standby again.
• Does not go into TXT mode. Mixed mode possible.
• Illegible display. (picture attached)
• Slightly wavy picture in the middle of the screen. (with circuit diagram extract)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (extract of circuit diagram attached)
• High voltage build up for short time then PSU switches off. (with circuit diagram extract)
• Bright picture. on the right. Dark picture. on the left. (with circuit diagram extract)
• Collapses at start up, then switches off.
• Dark screen. on the right. (part of circuit diagram displayed)
• Unusual TXT.
• Noise in picture. Poor horizontal synchronisation.
• Horizontal collapse. after a while. (+ extract of circuit diagram)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (+ extract of circuit diagram)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• E/W fault. (extract of circuit diagram attached)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Starts with noise (approx. 2-3 seconds), then it operates normally. (+ extract of circuit diagram)
• Shuts down. after start-up. (extract of circuit diagram attached)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• No colour.
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.