54337390 / SCHAUBLORENZ [TV (Standard)]

• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (extract of circuit diagram attached) (54337390 tip from SCHAUBLORENZ)
• Black screen. Display flashes once at switch on.
• Comes on for a short time. (part of circuit diagram displayed)
• Picture shifted to the left, too small and not adjustable. (part of circuit diagram displayed)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Intermittently dead. (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. (part of circuit diagram displayed)
• Resistor R515 becomes defective. (picture 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.
• No TXT (intermittently).
• No HT output from power supply. OK in standby. (extract of circuit diagram attached)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Low brightness. Picture too big.
• Does not go into text mode, mix mode is not possible.
• Vertical lines. No colour. after a while.
• Line tearing. (+ extract of circuit diagram)
• Dark screen. on the right. (part of circuit diagram displayed)
• Vertical curtain-like stripes which may be distributed over the entire screen. (part of circuit diagram displayed)
• Dead.
• Blue screen. Flyback lines. Audio OK .
• Dark picture.
• Bright picture. on the right. Dark picture. on the left. (+ extract of circuit diagram)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Random operation commands.
• 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.
• Goes into safety mode at switch on. If FBT is unsoldered then HT is re-established. No apparent S/C in secondary of FBT. (extract of circuit diagram attached)
• 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.
• Hums at switch on. (extract of circuit diagram attached) (SCHAUBLORENZ - 54337390 information)
• Stops after 5 seconds. No standby LED. (+ extract of circuit diagram)
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• No functions. after a while.
• No horizontal synchronisation. (with circuit diagram extract)
• Instructions on how to put appliance into Service-Mode.
• Pincushion distortion.
• Noise in the speakers and no start up or display on the front panel when switching on. (+ extract of circuit diagram)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (extract of circuit diagram attached)
• Hums at switch on, dies out slowly.
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• No picture. Hum in audio.
• 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)
• Few segments of the display too bright. Doesn't respond to commands.
• 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. (part of circuit diagram displayed)
• Blanking interval on left side of picture, colour flickers and screen dark after a while. (54337390 tip from SCHAUBLORENZ)
• Does not start from Standby.
• Too wide picture and East/West pincushion curving outward. (picture attached)
• Hum bars, especially on yellow or orange background.
• 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.
• No start-up from standby.
• White point when switching off with ON/OFF switch. No point in standby.
• NICAM check.
• Unstable horizontal picture.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Poor adjustment of horizontal picture centering. (extract of circuit diagram attached)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (picture attached)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (picture attached)
• PSU is defective. 300V is present.
• Vertical IC fails. (extract of circuit diagram attached)
• Transistor T701 fails when appliance is switched off and on.
• Line tearing. at top. (part of circuit diagram displayed)
• No tuning.
• HV builds up briefly and then shuts down
• Illegible display. (with circuit diagram extract)
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (with circuit diagram extract)
• Reduced raster size. (+ extract of circuit diagram)
• Black bar on the right side of the screen. Similar to displacement. (with circuit diagram extract)
• No picture. No audio. (with circuit diagram extract)
• Horizontal white line. (54337390 tip from SCHAUBLORENZ)
• Blocked control processor. (54337390 tips)
• After approx 20 mins colour TV switches off. (54337390 SCHAUBLORENZ repair tip)
• Picture goes off after 1 minute; very low contrast, ok through scart. (part of circuit diagram displayed)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Picture is too wide. E/W distorted.
• Reduced vertical size. (54337390 SCHAUBLORENZ repair tip)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Picture amplitude is too weak.
• No audio (when cold).
• 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)
• 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.
• Standby display lights up briefly, then no function.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer. (54337390 SCHAUBLORENZ repair tip)
• HV arcing. (picture attached)
• Switches to protection mode. at start-up. (extract of circuit diagram attached)
• High voltage transistor (S2000) defective. (with circuit diagram extract)
• No horizontal synchronisation. at start-up. (with circuit diagram extract)
• Does not switch ON. No power light showing.
• Poor PSU start up. Severe crackle in the loudspeaker.
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• 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 attached)
• Poor PSU start-up or BU defective. (part of circuit diagram displayed)
• T501 fails repeatedly.
• No tuning. only on certain channels. Dark screen. on the right.
• No raster sync in HF. Ok in scart. (extract of circuit diagram attached)
• 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.
• Vertical jitter. when cold.
• Shuts down. after start-up. (part of circuit diagram displayed) (54337390 tip from SCHAUBLORENZ)
• Distorted vertical linearity. Barrel distortion. (with circuit diagram extract)
• 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 attached)
• Blank raster. (SCHAUBLORENZ - 54337390 information)
• Black picture. Sound OK. Picture is OK after restart. (extract of circuit diagram attached)
• Blank screen with purple haze at left hand side. (part of circuit diagram displayed)
• No start up, no standby light, variable voltage on pin 16 of IC701. (+ extract of circuit diagram)
• Dark picture. Stripes after a while. OK after warm-up. (part of circuit diagram displayed)
• Power supply hiccups. (service info for SCHAUBLORENZ -54337390)
• Remains in standby after changing power IC. (picture attached)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (extract of circuit diagram attached)
• Picture distorted, shifted upwards and a little bit too wide.
• Whenever a function is requested display lights up then switches off.
• Insufficient picture heigth (10cm) and severe linear distortion. (SCHAUBLORENZ - 54337390 information)
• No horizontal or vertical deflection.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately. (54337390 tips)
• Buzzing at start-up.
• Picture shifted to the left. Alignment works normally. (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)
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• EHT is heard starting up then everything stops 4 secs later.
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable. (SCHAUBLORENZ - 54337390 information)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Line BU is abnormally hot.
• Vertical and horizontal synchronisation available only after 2 mins.
• No start up after changing IC601. Nothing lights up on the front.
• Tripping.
• No picture (intermittently).
• Collapses at start up, then switches off.
• NICAM is missing.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (extract of circuit diagram attached)
• Bright vertical stripes. No picture content. Sound OK. (with circuit diagram extract)
• No start up after changing FBT and constant whistling noise. (part of circuit diagram displayed)
• Excessive brightness. in the centre. (picture attached)
• No start-up (when cold). (service info for SCHAUBLORENZ -54337390)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (part of circuit diagram displayed)
• One side of picture is black.
• Shadowing effect, left side of picture is brighter than the right one. (picture attached)
• Afterglow on deflection tube after switch off. (54337390 tip from SCHAUBLORENZ)
• Long picture at start up, black screen with rainbow spots.
• No functions. Red LED does not flash.
• 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 attached)
• No vertical deflection. intermittently.
• No synchronisation during the first few mins. (+ extract of circuit diagram)
• Enter service mode.
• No picture content. Picture is greyish. (part of circuit diagram displayed)
• Unusual TXT.
• Loses sync at start-up for a few minutes.
• Cycles on/off.
• Unclear picture with Hum content.
• Slow start-up. when cold. (with circuit diagram extract)
• At switch on appliance pulsated then reverts to standby again.
• No E/W correction. (part of circuit diagram displayed)
• No synchronisation (after start-up). (part of circuit diagram displayed)
• Picture too big. (picture attached)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Vertical collapse. (picture attached)
• Vertical or horizontal picture shaking both when hot and cold. (extract of circuit diagram attached)
• Control unit does not function. Does not switch on. (+ extract of circuit diagram)
• Does not switch on. Fluttering noise from the loudspeakers. (+ extract of circuit diagram)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (with circuit diagram extract)
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Programmes change by themselves. RC is OK.
• Picture shaking in a random direction. (part of circuit diagram displayed)
• Picture rolls. when cold. (+ extract of circuit diagram)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Black vertical bars on picture, mostly visible in AV with no video source. (with circuit diagram extract)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (extract of circuit diagram attached)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Programming menu can not be accessed. (with circuit diagram extract)
• DF-AF adjustment.
• Flashing picture. (+ extract of circuit diagram)
• PSU doesn't start-up or only after a while. Cracking sound.
• Starts with noise (approx. 2-3 seconds), then it operates normally. (extract of circuit diagram attached)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (+ extract of circuit diagram)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (picture attached) (54337390 tip from SCHAUBLORENZ)
• Stuck in standby. (54337390 SCHAUBLORENZ repair tip)
• 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)
• No TXT.
• PSU pulsates. Sound crackles. After few secs. appliance works fine. (54337390 SCHAUBLORENZ repair tip)
• Lines in picture.
• Dead. after start-up.
• Blue, vertical stripe in the right third of the picture.
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Shuts down. (with circuit diagram extract)
• Picture is distorted and changes. Loss of colours. (+ extract of circuit diagram)
• Horizontal stripe. in the centre.
• Poor line and picture synchronisation when cold.
• Excessive vertical size. Vertical foldover at bottom.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (part of circuit diagram displayed)
• High voltage build up for short time then PSU switches off. (with circuit diagram extract)
• Excessive horizontal size. (extract of circuit diagram attached)
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (+ extract of circuit diagram) (54337390 SCHAUBLORENZ repair tip)
• Only blue light at right in picture.
• Poor shading of picture, dark on one side and light on the other. (picture attached)
• No control and cannot be switched off when started up from standby.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Can be switched to standby only if power plug is pulled out. (54337390 tip from SCHAUBLORENZ)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (extract of circuit diagram attached)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (+ extract of circuit diagram)
• Picture and sound missing. Via scart socket with video recorder OK (picture attached)
• Poor audio.
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (picture attached) (54337390 tips)
• Picture shifted to the right.
• E/W-fault.
• Erratic functions. (extract of circuit diagram attached)
• No colour (intermittently).
• Power supply defective after a few days. (extract of circuit diagram attached)
• Left picture side is brighter, even via AV. (+ 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.
• Intermittently line tearing in the middle (approx. 20cm wide). (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54337390)
• No tuning. Higher channels in band I/III/V are not received. (SCHAUBLORENZ - 54337390 information)
• Picture is out of alignment horizontally. 10cm black bar on the right. (part of circuit diagram displayed)
• PSU starts briefly, then no more HV. (+ extract of circuit diagram)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (picture attached) (54337390 tips)
• PSU switches from standby to safety mode at switch on.
• Centre of snowy picture is darker than edges. (with circuit diagram extract)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• HV appears briefly and then disappears. (part of circuit diagram displayed)
• Excessive HV. (part of circuit diagram displayed)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (extract of circuit diagram attached) (54337390 SCHAUBLORENZ repair tip)
• Line transistor S2000AF defective at switch on from cold. (part of circuit diagram displayed)
• Intermittent block.
• Distorted picture. on the right. (picture attached)
• 88 shown on LED display.
• Unstable picture. (with circuit diagram extract)
• Only standby LED lit. LED switches off at switch on then no function.
• Output transistor (S2000) fails when started from cold.
• Builds up high voltage for a short time and then switches off. (+ extract of circuit diagram)
• Does not fully go to TXT or only blue mix TXT. (with circuit diagram extract)
• Coloured lines (RGB test lines) in top of picture.
• Poor vertical linearity at the bottom, also E/W error.
• No start-up. (picture attached)
• Picture shifted to the left. (extract of circuit diagram attached) (54337390 tip from SCHAUBLORENZ)
• Picture shifted horizontally. (extract of circuit diagram attached)
• Line synchronisation available only after 2 mins.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• 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)
• Does not go into TXT mode. Mixed mode possible.
• Poor synchronisation. No picture. after a while.
• PSU doesn't start up when cold. (picture attached)
• Wavy picture. at top. (extract of circuit diagram attached) (54337390 tip from SCHAUBLORENZ)
• Double picture.
• Horizontal line.
• Horizontal collapse. after a while. (+ extract of circuit diagram)
• No colour.
• Picture tearing.
• No HV.
• Very slight flickering with a light picture. (extract of circuit diagram attached)
• Horizontal jitter. when cold.
• Dark picture. intermittently.
• When TV started up, transistor (S2000AF) instantly burn out. (part of circuit diagram displayed)
• Operation commands are not carried out. (54337390 tips)
• Horizontal synchronisation fault, picture shifted towards left side. (extract of circuit diagram attached)
• The teletext contrast is considerably too high after installing the teletext decoder.
• Rattling noise or bubbling at start-up (when cold). (picture attached)
• Defective linearity.
• Very pale picture which is shifted to the left. Voltage is correct. (picture attached)
• Picture with vertical and horizontal lines (when cold).
• Horizontal jitter. Vertical jitter. (+ extract of circuit diagram)
• Switches off when selecting a function via RC.
• Switches to standby (intermittently).
• Dark picture. on the right. (+ extract of circuit diagram)
• No vertical deflection. Horizontal line. Audio OK . (picture attached)
• LED lights up briefly then nothing more.
• Switches off completely after switch on. No standby function. (picture attached)
• Attempts to start with no result. (extract of circuit diagram attached)
• Noise in picture. Poor horizontal synchronisation.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Display flashing and rattles at switch on. (with circuit diagram extract)
• Line frequency changes downward (squeaking, whistling).
• Noise in audio. (part of circuit diagram displayed)
• Slightly wavy picture in the middle of the screen. (picture attached) (54337390 SCHAUBLORENZ repair tip)
• Eliminate safety mode of PSU.
• Convex picture. Defective lower linearity. (with circuit diagram extract)
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• 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.
• Sound channel 1 and 2 voltage level adjustment.
• No PSU start-up.
• Resistor R775 is defective.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (+ extract of circuit diagram)
• Brightness differs between left and right hand side of the screen.
• Brightness varies. E/W fault. intermittently.
• Horizontal shaking. when cold.
• 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.
• Approx 20cm wide dark area in centre of picture and line tearing.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Bright raster. Flyback lines.
• High voltage runs high. Flashover all over.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• 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.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Vertical, bright stripe faintly visible in the right third of the picture.
• From a cold start line output stage transistor fails.
• Reduced contrast, especially on one side of the screen.
• No picture. Audio OK . (+ extract of circuit diagram)
• White screen. Flyback lines.
• FBT blows after a few mins. (part of circuit diagram displayed)
• Intermittent no image or yellow colouring. Knock sensitive. (part of circuit diagram displayed)
• PSU fails intermittently. (extract of circuit diagram attached)
• Loud noise. at start-up. (service info for SCHAUBLORENZ -54337390)
• PSU can not be loaded with 60W incandescent lamp.
• No functions.
• Power supply seems to remain in safety mode. (picture attached)
• AV correction.
• E/W fault. (picture attached)
• Does not switch to standby. (+ extract of circuit diagram)
• Dark screen, only diffuse glow.
• Picture collapse on half of the picture.
• At Power On standby LED switches off immediately after switching on.
• The picture is too large and wavers.
• Excessive brightness. Flyback lines. (+ extract of circuit diagram)
• E/W trapezium does not function. (54337390 tip from SCHAUBLORENZ)
• Top third of screen has ragged vertical lines.
• Halts at switch on when cold. No start up. OK after a few attempts. (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.
• Switches off immediately after plugging in mains. (+ extract of circuit diagram)
• Only snow in the picture, after changing the tuner the fault is still there.
• Picture appears slowly. (part of circuit diagram displayed)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (part of circuit diagram displayed)
• Line transformer starts up but no display, nothing on the screen and no sound. (+ extract of circuit diagram)
• Pulsating picture. (part of circuit diagram displayed)
• No picture. on lower half screen. (part of circuit diagram displayed)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (+ 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. (picture attached)
• 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.
• Control unit processor is defective. (extract of circuit diagram attached)
• Stuck in standby; RC ineffective. Stanby LED flickers. (with circuit diagram extract)
• Vertical line tearing. intermittently. (54337390 SCHAUBLORENZ repair tip)