54332791 / SCHAUBLORENZ [TV (Standard)]

• Picture and sound missing. Via scart socket with video recorder OK (picture attached)
• Vertical line tearing. intermittently.
• Black picture. Sound OK. Picture is OK after restart. (part of circuit diagram displayed)
• E/W-fault.
• Halts at switch on when cold. No start up. OK after a few attempts. (with circuit diagram extract)
• No tuning.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Horizontal stripe. in the centre.
• Low brightness. Picture too big.
• 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.
• Transistor T701 fails when appliance is switched off and on.
• Picture collapse on half of the picture. (54332791 tips)
• Line frequency changes downward (squeaking, whistling). (54332791 tips)
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Loud noise. at start-up.
• Horizontal jitter. Vertical jitter. (+ extract of circuit diagram) (54332791 tips)
• Hum bars, especially on yellow or orange background.
• Can be switched to standby only if power plug is pulled out.
• Dark picture. intermittently.
• Dark picture. on the right. (extract of circuit diagram attached)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off. (SCHAUBLORENZ - 54332791 information)
• Poor PSU start-up or BU defective. (extract of circuit diagram attached)
• Programming menu can not be accessed. (+ extract of circuit diagram)
• Vertical and horizontal synchronisation available only after 2 mins. (54332791 tip from SCHAUBLORENZ)
• Does not go into TXT mode. Mixed mode possible.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (part of circuit diagram displayed)
• Shuts down. (with circuit diagram extract)
• Left picture side is brighter, even via AV. (picture attached)
• Programmes change by themselves. RC is OK.
• Poor audio.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Top third of screen has ragged vertical lines.
• Unusual TXT.
• LED lights up briefly then nothing more.
• Shadowing effect, left side of picture is brighter than the right one. (extract of circuit diagram attached)
• No start-up from standby.
• No vertical deflection. Horizontal line. Audio OK . (part of circuit diagram displayed)
• 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) (service info for SCHAUBLORENZ -54332791)
• PSU is defective. 300V is present.
• Dark picture. Stripes after a while. OK after warm-up. (picture attached)
• Dark picture.
• Does not start from Standby.
• No control and cannot be switched off when started up from standby.
• High voltage transistor (S2000) defective. (picture attached)
• Power supply seems to remain in safety mode. (picture attached)
• No start-up (when cold). (54332791 tip from SCHAUBLORENZ)
• Picture with vertical and horizontal lines (when cold).
• Resistor R515 becomes defective. (+ extract of circuit diagram)
• Wavy picture. at top. (with circuit diagram extract)
• Afterglow on deflection tube after switch off.
• Intermittently line tearing in the middle (approx. 20cm wide). (part of circuit diagram displayed)
• AV correction.
• Very pale picture which is shifted to the left. Voltage is correct. (part of circuit diagram displayed)
• Reduced vertical size.
• No picture. Audio OK . (picture attached)
• Eliminate safety mode of PSU.
• No HV.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Enter service mode. (54332791 tip from SCHAUBLORENZ)
• Slightly wavy picture in the middle of the screen. (+ 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.
• Collapses at start up, then switches off.
• Picture shifted horizontally. (with circuit diagram extract)
• Convex picture. Defective lower linearity. (picture attached)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• No tuning. only on certain channels. Dark screen. on the right.
• 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)
• No colour (intermittently).
• E/W fault. (+ extract of circuit diagram)
• Erratic functions. (picture attached)
• Defective linearity.
• Reduced raster size. (with circuit diagram extract)
• NICAM check.
• Dead. after start-up.
• The picture is too large and wavers.
• White point when switching off with ON/OFF switch. No point in standby.
• Display flashing and rattles at switch on. (with circuit diagram extract)
• Black vertical bars on picture, mostly visible in AV with no video source. (extract of circuit diagram attached)
• No audio (when cold).
• Builds up high voltage for a short time and then switches off. (+ extract of circuit diagram) (SCHAUBLORENZ - 54332791 information)
• HV appears briefly and then disappears. (picture attached)
• PSU fails intermittently. (with circuit diagram extract)
• Line tearing. (+ extract of circuit diagram)
• No vertical deflection. intermittently.
• PSU switches from standby to safety mode at switch on.
• Stuck in standby; RC ineffective. Stanby LED flickers. (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.
• Blank screen with purple haze at left hand side. (+ extract of circuit diagram)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (with circuit diagram extract)
• Vertical, bright stripe faintly visible in the right third of the picture.
• At Power On standby LED switches off immediately after switching on.
• No TXT.
• Poor PSU start up. Severe crackle in the loudspeaker.
• From a cold start line output stage transistor fails.
• No tuning. Higher channels in band I/III/V are not received.
• Stops after 5 seconds. No standby LED. (+ 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.
• PSU doesn't start up when cold. (picture attached)
• Horizontal jitter. when cold.
• Excessive HV. (picture attached)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• No synchronisation during the first few mins. (with circuit diagram extract)
• Black screen. Display flashes once at switch on.
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Picture too big. (with circuit diagram extract) (54332791 SCHAUBLORENZ repair tip)
• Pincushion distortion. (54332791 SCHAUBLORENZ repair tip)
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (part of circuit diagram displayed)
• Unstable picture. (part of circuit diagram displayed)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (picture attached)
• Pulsating picture. (part of circuit diagram displayed)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (picture attached)
• Bright raster. Flyback lines.
• Coloured lines (RGB test lines) in top of picture.
• PSU can not be loaded with 60W incandescent lamp.
• Intermittent no image or yellow colouring. Knock sensitive. (part of circuit diagram displayed)
• Lines in picture.
• T501 fails repeatedly.
• No start-up. (picture attached)
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (+ extract of circuit diagram)
• No TXT (intermittently).
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• Random operation commands.
• No functions. after a while.
• No horizontal or vertical deflection.
• Resistor R775 is defective.
• Poor adjustment of horizontal picture centering. (extract of circuit diagram 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.
• Long picture at start up, black screen with rainbow spots.
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (extract of circuit diagram attached)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• 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. (+ extract of circuit diagram) (service info for SCHAUBLORENZ -54332791)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (part of circuit diagram displayed)
• Poor synchronisation. No picture. after a while.
• Vertical lines. No colour. after a while.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Attempts to start with no result. (picture attached)
• Whenever a function is requested display lights up then switches off.
• No functions. Red LED does not flash. (service info for SCHAUBLORENZ -54332791)
• Double picture.
• Excessive brightness. in the centre. (picture attached)
• Picture tearing.
• No horizontal synchronisation. (with circuit diagram extract)
• Switches off when selecting a function via RC.
• Dark screen, only diffuse glow.
• Line BU is abnormally hot.
• Switches to standby (intermittently).
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (extract of circuit diagram attached)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Rattling noise or bubbling at start-up (when cold). (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. (extract of circuit diagram attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Insufficient picture heigth (10cm) and severe linear distortion.
• No horizontal synchronisation. at start-up. (+ extract of circuit diagram) (SCHAUBLORENZ - 54332791 information)
• Picture is out of alignment horizontally. 10cm black bar on the right. (picture attached)
• Too wide picture and East/West pincushion curving outward. (extract of circuit diagram attached)
• Reduced contrast, especially on one side of the screen.
• Excessive brightness. Flyback lines. (+ extract of circuit diagram)
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (+ extract of circuit diagram)
• Picture only appears about 3 mins after switch on, when appliance is cold.
• No functions.
• No raster sync in HF. Ok in scart. (+ extract of circuit diagram)
• Horizontal synchronisation fault, picture shifted towards left side. (+ extract of circuit diagram)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (extract of circuit diagram attached)
• Illegible display. (picture attached)
• Slow start-up. when cold. (with circuit diagram extract)
• Sound channel 1 and 2 voltage level adjustment.
• 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.
• EHT is heard starting up then everything stops 4 secs later.
• Bright vertical stripes. No picture content. Sound OK. (with circuit diagram extract)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (extract of circuit diagram attached)
• FBT blows after a few mins. (+ extract of circuit diagram)
• Poor line and picture synchronisation when cold.
• Line transformer starts up but no display, nothing on the screen and no sound. (picture attached)
• Vertical IC fails. (picture attached)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Bright picture. on the right. Dark picture. on the left. (part of circuit diagram displayed)
• White screen. Flyback lines.
• Picture shifted to the right.
• 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.
• Switches off immediately after plugging in mains. (part of circuit diagram displayed)
• Blue, vertical stripe in the right third of the picture.
• No start up after changing FBT and constant whistling noise. (+ extract of circuit diagram)
• Does not switch on. Fluttering noise from the loudspeakers. (part of circuit diagram displayed)
• Operation commands are not carried out.
• Picture shifted to the left. Alignment works normally. (part of circuit diagram displayed)
• Very slight flickering with a light picture. (extract of circuit diagram attached)
• No PSU start-up.
• 88 shown on LED display.
• PSU doesn't start-up or only after a while. Cracking sound.
• No synchronisation (after start-up). (with circuit diagram extract)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (+ extract of circuit diagram)
• Horizontal white line.
• Noise in the speakers and no start up or display on the front panel when switching on. (picture attached) (54332791 tip from SCHAUBLORENZ)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (part of circuit diagram displayed)
• Unstable horizontal picture.
• Only blue light at right in picture.
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Power supply hiccups.
• Picture amplitude is too weak.
• Does not go into text mode, mix mode is not possible.
• Black bar on the right side of the screen. Similar to displacement. (extract of circuit diagram attached)
• Picture appears slowly. (picture attached)
• Horizontal collapse. after a while. (with circuit diagram extract)
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Instructions on how to put appliance into Service-Mode. (54332791 tips)
• 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.
• Cycles on/off.
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Remains in standby after changing power IC. (+ extract of circuit diagram)
• Does not switch ON. No power light showing.
• Picture shifted to the left, too small and not adjustable. (part of circuit diagram displayed)
• Unclear picture with Hum content.
• Brightness differs between left and right hand side of the screen.
• Vertical collapse. (part of circuit diagram displayed)
• Horizontal shaking. when cold.
• The teletext contrast is considerably too high after installing the teletext decoder.
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Picture is too wide. E/W distorted.
• Will not select text, or will only select mix or full text but not both, various other functions faulty. (54332791 tips)
• One side of picture is black.
• At switch on appliance pulsated then reverts to standby again.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• 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)
• Picture shaking in a random direction. (part of circuit diagram displayed)
• Poor vertical linearity at the bottom, also E/W error.
• High voltage build up for short time then PSU switches off. (+ extract of circuit diagram)
• No HT output from power supply. OK in standby. (extract of circuit diagram attached)
• Distorted vertical linearity. Barrel distortion. (with circuit diagram extract)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (with circuit diagram extract)
• Control unit does not function. Does not switch on. (with circuit diagram extract) (54332791 tip from SCHAUBLORENZ)
• Intermittent block.
• Noise in picture. Poor horizontal synchronisation.
• Does not fully go to TXT or only blue mix TXT. (with circuit diagram extract)
• Poor shading of picture, dark on one side and light on the other. (extract of circuit diagram attached)
• Excessive vertical size. Vertical foldover at bottom.
• Excessive horizontal size. (+ extract of circuit diagram)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (picture attached)
• Power supply defective after a few days. (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.
• When TV started up, transistor (S2000AF) instantly burn out. (picture attached)
• Approx 20cm wide dark area in centre of picture and line tearing.
• NICAM is missing.
• No picture (intermittently).
• High voltage runs high. Flashover all over.
• No E/W correction. (+ 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. (part of circuit diagram displayed)
• Flashing picture. (extract of circuit diagram attached)
• No picture. No audio. (picture attached)
• No start up after changing IC601. Nothing lights up on the front.
• Wavy vertical lines in the entire picture when cold. Picture jitters. (part of circuit diagram displayed)
• Picture is distorted and changes. Loss of colours. (picture attached)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (part of circuit diagram displayed)
• Vertical curtain-like stripes which may be distributed over the entire screen. (picture attached)
• Stuck in standby. (54332791 tip from SCHAUBLORENZ)
• Blocked control processor.
• Switches off completely after switch on. No standby function. (part of circuit diagram displayed) (54332791 SCHAUBLORENZ repair tip)
• 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.
• Few segments of the display too bright. Doesn't respond to commands.
• Shuts down. after start-up. (extract of circuit diagram attached)
• Vertical jitter. when cold.
• Tripping.
• Hums at switch on. (picture attached)
• 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.
• 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)
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• HV arcing. (picture attached)
• Intermittently dead. (with circuit diagram extract)
• Picture distorted, shifted upwards and a little bit too wide.
• Control unit processor is defective. (picture attached)
• Dark screen. on the right. (part of circuit diagram displayed) (SCHAUBLORENZ - 54332791 information)
• Line tearing. at top. (extract of circuit diagram attached)
• No colour.
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (picture attached)
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (picture attached)
• Centre of snowy picture is darker than edges. (part of circuit diagram displayed)
• Blue screen. Flyback lines. Audio OK .
• Buzzing at start-up.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• 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)
• HV builds up briefly and then shuts down
• Picture rolls. when cold. (picture attached)
• Horizontal line.
• After approx 20 mins colour TV switches off.
• 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)
• Only standby LED lit. LED switches off at switch on then no function.
• Hums at switch on, dies out slowly.
• Vertical or horizontal picture shaking both when hot and cold. (+ extract of circuit diagram)
• 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)
• No picture. Hum in audio.
• Only snow in the picture, after changing the tuner the fault is still there.
• Does not switch to standby. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54332791)
• Switches to protection mode. at start-up. (with circuit diagram extract)
• PSU starts briefly, then no more HV. (extract of circuit diagram attached)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (with circuit diagram extract)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Line transistor S2000AF defective at switch on from cold. (extract of circuit diagram attached) (54332791 tip from SCHAUBLORENZ)
• Dead. (service info for SCHAUBLORENZ -54332791)
• Blank raster.
• 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)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (extract of circuit diagram attached)
• DF-AF adjustment.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (picture attached)
• Time constant switching over only occurs on memory sites 37 to 39 and AV. (service info for SCHAUBLORENZ -54332791)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (+ extract of circuit diagram)
• Brightness varies. E/W fault. intermittently.
• Comes on for a short time. (+ extract of circuit diagram)
• Loses sync at start-up for a few minutes.
• Picture shifted to the left. (picture attached) (54332791 tip from SCHAUBLORENZ)
• Line synchronisation available only after 2 mins. (54332791 tip from SCHAUBLORENZ)
• Distorted picture. on the right. (part of circuit diagram displayed) (54332791 tip from SCHAUBLORENZ)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2). (54332791 tips)
• No picture content. Picture is greyish. (with circuit diagram extract)
• Picture goes off after 1 minute; very low contrast, ok through scart. (extract of circuit diagram attached)
• No picture. on lower half screen. (picture attached)
• Output transistor (S2000) fails when started from cold.
• No start up, no standby light, variable voltage on pin 16 of IC701. (part of circuit diagram displayed) (54332791 tips)
• Standby display lights up briefly, then no function.
• Noise in audio. (picture attached)
• E/W trapezium does not function.