54335191 / SCHAUBLORENZ [TV (Standard)]

• 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.
• Reduced contrast, especially on one side of the screen.
• Buzzing at start-up.
• PSU can not be loaded with 60W incandescent lamp.
• Poor adjustment of horizontal picture centering. (picture attached)
• Reduced vertical size.
• Unstable picture. (extract of circuit diagram attached)
• Horizontal synchronisation fault, picture shifted towards left side. (+ extract of circuit diagram)
• Does not switch ON. No power light showing.
• Dark picture.
• 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)
• Very pale picture which is shifted to the left. Voltage is correct. (extract of circuit diagram attached) (54335191 SCHAUBLORENZ repair tip)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Instructions on how to put appliance into Service-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)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Approx 20cm wide dark area in centre of picture and line tearing.
• At Power On standby LED switches off immediately after switching on.
• Rattling noise or bubbling at start-up (when cold). (picture attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Power supply seems to remain in safety mode. (picture attached) (54335191 SCHAUBLORENZ repair tip)
• Poor PSU start up. Severe crackle in the loudspeaker.
• No picture. Hum in audio.
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (picture attached)
• PSU fails intermittently. (with circuit diagram extract)
• No tuning. only on certain channels. Dark screen. on the right.
• No synchronisation during the first few mins. (part of circuit diagram displayed)
• Top third of screen has ragged vertical lines.
• No colour (intermittently).
• Dead. after start-up.
• No functions. after a while.
• Horizontal white line.
• Dark picture. Stripes after a while. OK after warm-up. (picture attached)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Collapses at start up, then switches off.
• Hums at switch on. (with circuit diagram extract)
• No start-up. (picture attached)
• Pincushion distortion.
• Horizontal shaking. when cold.
• After approx 20 mins colour TV switches off.
• PSU is defective. 300V is present.
• Bright picture. on the right. Dark picture. on the left. (+ extract of circuit diagram)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Brightness varies. E/W fault. intermittently.
• Picture is distorted and changes. Loss of colours. (extract of circuit diagram attached)
• Poor line and picture synchronisation when cold.
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Vertical IC fails. (extract of circuit diagram attached)
• No audio (when cold).
• Shadowing effect, left side of picture is brighter than the right one. (with circuit diagram extract)
• Hum bars, especially on yellow or orange background.
• Eliminate safety mode of PSU.
• White point when switching off with ON/OFF switch. No point in standby.
• Stuck in standby.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (picture 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.
• No start-up from standby.
• Excessive brightness. Flyback lines. (+ extract of circuit diagram)
• No picture content. Picture is greyish. (+ extract of circuit diagram)
• Poor vertical linearity at the bottom, also E/W error. (SCHAUBLORENZ - 54335191 information)
• Dark screen, only diffuse glow.
• 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)
• 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)
• 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.
• No picture. No audio. (with circuit diagram extract)
• Intermittently dead. (+ extract of circuit diagram) (service info for SCHAUBLORENZ -54335191)
• Poor audio.
• Stops after 5 seconds. No standby LED. (part of circuit diagram displayed)
• Switches to protection mode. at start-up. (extract of circuit diagram attached)
• AV correction.
• 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)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Line transistor S2000AF defective at switch on from cold. (with circuit diagram extract)
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (+ extract of circuit diagram)
• Only standby LED lit. LED switches off at switch on then no function.
• Can be switched to standby only if power plug is pulled out.
• Shuts down. after start-up. (part of circuit diagram displayed)
• Picture shaking in a random direction. (part of circuit diagram displayed)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (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)
• Stuck in standby; RC ineffective. Stanby LED flickers. (extract of circuit diagram attached)
• Centre of snowy picture is darker than edges. (extract of circuit diagram attached)
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• PSU switches from standby to safety mode at switch on.
• Programmes change by themselves. RC is OK.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (extract of circuit diagram attached)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (picture attached)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (with circuit diagram extract)
• Noise in the speakers and no start up or display on the front panel when switching on. (extract of circuit diagram attached) (54335191 tip from SCHAUBLORENZ)
• HV arcing. (extract of circuit diagram attached)
• NICAM is missing.
• Excessive brightness. in the centre. (with circuit diagram extract)
• At switch on appliance pulsated then reverts to standby again.
• High voltage runs high. Flashover all over.
• Control unit does not function. Does not switch on. (with circuit diagram extract)
• Flashing picture. (part of circuit diagram displayed)
• Line tearing. (with circuit diagram extract)
• Switches to standby (intermittently).
• Vertical or horizontal picture shaking both when hot and cold. (+ extract of circuit diagram)
• Too wide picture and East/West pincushion curving outward. (picture attached) (service info for SCHAUBLORENZ -54335191)
• Double picture.
• Picture is too wide. E/W distorted.
• Noise in picture. Poor horizontal synchronisation.
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (picture attached)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (+ extract of circuit diagram)
• Picture only appears about 3 mins after switch on, when appliance is cold.
• FBT blows after a few mins. (part of circuit diagram displayed)
• Dark picture. on the right. (+ extract of circuit diagram)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Vertical lines. No colour. after a while.
• Low brightness. Picture too big.
• Picture and sound missing. Via scart socket with video recorder OK (extract of circuit diagram attached)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• No HV.
• One side of picture is black.
• Blank raster.
• Wavy picture. at top. (extract of circuit diagram attached)
• No vertical deflection. intermittently.
• Picture tearing.
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• No horizontal or vertical deflection.
• Poor shading of picture, dark on one side and light on the other. (extract of circuit diagram attached)
• No start up after changing FBT and constant whistling noise. (with circuit diagram extract)
• No picture. on lower half screen. (with circuit diagram extract)
• Vertical and horizontal synchronisation available only after 2 mins.
• Cuts out after switch on, soft hum from the speakers in standby mode. (54335191 tips)
• DF-AF adjustment.
• Display flashing and rattles at switch on. (picture attached)
• Slightly wavy picture in the middle of the screen. (+ extract of circuit diagram)
• Vertical, bright stripe faintly visible in the right third of the picture.
• LED lights up briefly then nothing more.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Black picture. Sound OK. Picture is OK after restart. (part of circuit diagram displayed) (54335191 SCHAUBLORENZ repair tip)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (part of circuit diagram displayed)
• 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.
• Horizontal jitter. Vertical jitter. (extract of circuit diagram attached)
• Does not go into text mode, mix mode is not possible.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• 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.
• Blank screen with purple haze at left hand side. (with circuit diagram extract)
• Vertical curtain-like stripes which may be distributed over the entire screen. (+ extract of circuit diagram)
• Only blue light at right in picture.
• Vertical line tearing. intermittently.
• No start up after changing IC601. Nothing lights up on the front.
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Switches off immediately after plugging in mains. (with circuit diagram extract)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal. (54335191 tips)
• Horizontal jitter. when cold.
• 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 raster sync in HF. Ok in scart. (extract of circuit diagram attached)
• 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)
• Comes on for a short time. (part of circuit diagram displayed)
• 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.
• 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. Higher channels in band I/III/V are not received.
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (with circuit diagram extract)
• 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)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (with circuit diagram extract)
• From a cold start line output stage transistor fails.
• The picture is too large and wavers.
• Line frequency changes downward (squeaking, whistling).
• 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)
• 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.
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Operation commands are not carried out.
• Control unit processor is defective. (+ extract of circuit diagram) (54335191 tips)
• Very slight flickering with a light picture. (with circuit diagram extract)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (part of circuit diagram displayed)
• PSU starts briefly, then no more HV. (picture attached)
• Illegible display. (+ extract of circuit diagram)
• HV builds up briefly and then shuts down
• Picture goes off after 1 minute; very low contrast, ok through scart. (with circuit diagram extract) (54335191 tips)
• Excessive vertical size. Vertical foldover at bottom.
• Noise in audio. (part of circuit diagram displayed)
• Distorted picture. on the right. (+ extract of circuit diagram)
• Line BU is abnormally hot.
• No horizontal synchronisation. (picture attached)
• Only snow in the picture, after changing the tuner the fault is still there.
• Unclear picture with Hum content.
• Does not start from Standby.
• Does not switch on. Fluttering noise from the loudspeakers. (picture attached)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer. (54335191 SCHAUBLORENZ repair tip)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (part of circuit diagram displayed)
• Switches off when selecting a function via RC. (54335191 tips)
• Long picture at start up, black screen with rainbow spots.
• 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.
• Tripping.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Programming menu can not be accessed. (extract of circuit diagram attached)
• Left picture side is brighter, even via AV. (with circuit diagram extract)
• Picture rolls. when cold. (picture attached) (54335191 tip from SCHAUBLORENZ)
• Whenever a function is requested display lights up then switches off.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• 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)
• No control and cannot be switched off when started up from standby.
• Horizontal stripe. in the centre.
• Does not switch to standby. (picture attached)
• Output transistor (S2000) fails when started from cold. (service info for SCHAUBLORENZ -54335191)
• Line tearing. at top. (extract of circuit diagram attached)
• The teletext contrast is considerably too high after installing the teletext decoder.
• Power supply hiccups.
• Horizontal line.
• Black screen. Display flashes once at switch on.
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Blocked control processor.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (picture attached)
• Does not fully go to TXT or only blue mix TXT. (part of circuit diagram displayed)
• Slow start-up. when cold. (extract of circuit diagram attached)
• Lines in picture. (service info for SCHAUBLORENZ -54335191)
• No functions. Red LED does not flash.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all. (54335191 tips)
• E/W trapezium does not function.
• Black bar on the right side of the screen. Similar to displacement. (extract of circuit diagram attached)
• Dead.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• No picture (intermittently).
• No picture. Audio OK . (extract of circuit diagram attached)
• No TXT (intermittently).
• No start up, no standby light, variable voltage on pin 16 of IC701. (part of circuit diagram displayed)
• Horizontal collapse. after a while. (with circuit diagram extract)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (with circuit diagram extract)
• Distorted vertical linearity. Barrel distortion. (part of circuit diagram displayed)
• 88 shown on LED display. (service info for SCHAUBLORENZ -54335191)
• No start-up (when cold).
• Insufficient picture heigth (10cm) and severe linear distortion. (54335191 tips)
• Bright raster. Flyback lines. (54335191 SCHAUBLORENZ repair tip)
• Halts at switch on when cold. No start up. OK after a few attempts. (picture attached)
• Vertical jitter. when cold.
• Picture too big. (extract of circuit diagram attached)
• E/W fault. (extract of circuit diagram attached)
• Unstable horizontal picture.
• EHT is heard starting up then everything stops 4 secs later.
• No E/W correction. (extract of circuit diagram attached) (54335191 tip from SCHAUBLORENZ)
• Transistor T701 fails when appliance is switched off and on.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• No PSU start-up.
• Blue screen. Flyback lines. Audio OK .
• Dark screen. on the right. (part of circuit diagram displayed)
• E/W-fault.
• Picture shifted to the left. (extract of circuit diagram attached)
• Erratic functions. (part of circuit diagram displayed)
• Vertical collapse. (part of circuit diagram displayed)
• HV appears briefly and then disappears. (+ extract of circuit diagram)
• Intermittent block.
• Random operation commands.
• No horizontal synchronisation. at start-up. (extract of circuit diagram attached)
• Shuts down. (picture attached)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (picture attached) (54335191 tip from SCHAUBLORENZ)
• T501 fails repeatedly.
• At the top edge of the picture an unusual stain effect appears and line tearing.
• High voltage transistor (S2000) defective. (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. (part of circuit diagram displayed)
• No tuning. (54335191 tip from SCHAUBLORENZ)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (extract of circuit diagram attached)
• Bright vertical stripes. No picture content. Sound OK. (with circuit diagram extract)
• Picture is out of alignment horizontally. 10cm black bar on the right. (extract of circuit diagram attached)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (extract of circuit diagram attached)
• Remains in standby after changing power IC. (extract of circuit diagram attached)
• Few segments of the display too bright. Doesn't respond to commands.
• Unusual TXT.
• Picture collapse on half of the picture. (54335191 tips)
• Sound channel 1 and 2 voltage level adjustment.
• Switches off completely after switch on. No standby function. (picture attached)
• When TV started up, transistor (S2000AF) instantly burn out. (picture attached)
• Line synchronisation available only after 2 mins.
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (with circuit diagram extract)
• Line transformer starts up but no display, nothing on the screen and no sound. (picture attached)
• Picture shifted to the left. Alignment works normally. (picture attached)
• Especially when cold some channels are not in the French standard. They remain in FM sound and inverted video. When warm and when changing programme suddenly picture and sound appear correctly. (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.
• Pulsating picture. (+ extract of circuit diagram)
• Picture with vertical and horizontal lines (when cold).
• Intermittent no image or yellow colouring. Knock sensitive. (with circuit diagram extract)
• Black vertical bars on picture, mostly visible in AV with no video source. (part of circuit diagram displayed)
• Loses sync at start-up for a few minutes.
• Convex picture. Defective lower linearity. (extract of circuit diagram attached)
• Picture amplitude is too weak.
• Picture shifted to the left, too small and not adjustable. (extract of circuit diagram attached)
• Power supply defective after a few days. (+ extract of circuit diagram)
• Excessive horizontal size. (+ extract of circuit diagram)
• Brightness differs between left and right hand side of the screen.
• Loud noise. at start-up.
• Does not go into TXT mode. Mixed mode possible.
• Afterglow on deflection tube after switch off.
• Picture shifted horizontally. (with circuit diagram extract)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable. (54335191 tips)
• High voltage build up for short time then PSU switches off. (with circuit diagram extract)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Dark picture. intermittently.
• Intermittently line tearing in the middle (approx. 20cm wide). (with circuit diagram extract)
• Enter service mode.
• Builds up high voltage for a short time and then switches off. (part of circuit diagram displayed)
• Cycles on/off.
• Picture distorted, shifted upwards and a little bit too wide.
• Resistor R775 is defective. (SCHAUBLORENZ - 54335191 information)
• No TXT.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (with circuit diagram extract)
• PSU doesn't start-up or only after a while. Cracking sound.
• Hums at switch on, dies out slowly.
• No functions.
• Picture shifted to the right.
• Reduced raster size. (extract of circuit diagram attached)
• No colour.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Poor synchronisation. No picture. after a while.
• Attempts to start with no result. (part of circuit diagram displayed)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (with circuit diagram extract)
• Picture appears slowly. (part of circuit diagram displayed)
• PSU doesn't start up when cold. (with circuit diagram extract)
• NICAM check.
• Defective linearity.
• Poor PSU start-up or BU defective. (picture attached)
• No HT output from power supply. OK in standby. (picture attached)
• Excessive HV. (part of circuit diagram displayed) (54335191 SCHAUBLORENZ repair tip)
• Resistor R515 becomes defective. (picture attached)
• Blue, vertical stripe in the right third of the picture.
• No synchronisation (after start-up). (+ extract of circuit diagram)
• No vertical deflection. Horizontal line. Audio OK . (+ extract of circuit diagram)
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• White screen. Flyback lines. (54335191 SCHAUBLORENZ repair tip)
• Coloured lines (RGB test lines) in top of picture.
• Standby display lights up briefly, then no function.
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (part of circuit diagram displayed)