54327891 / SCHAUBLORENZ [TV (Standard)]

• Poor PSU start up. Severe crackle in the loudspeaker.
• No E/W correction. (picture attached)
• Very pale picture which is shifted to the left. Voltage is correct. (with circuit diagram extract)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• 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.
• 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.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• PSU can not be loaded with 60W incandescent lamp. (54327891 SCHAUBLORENZ repair tip)
• E/W-fault.
• No TXT.
• Vertical or horizontal picture shaking both when hot and cold. (extract of circuit diagram attached)
• Intermittent no image or yellow colouring. Knock sensitive. (+ extract of circuit diagram)
• Switches off completely after switch on. No standby function. (picture attached)
• Slightly wavy picture in the middle of the screen. (extract of circuit diagram attached)
• Poor synchronisation. No picture. after a while.
• Excessive horizontal size. (picture attached)
• Stops after 5 seconds. No standby LED. (picture attached)
• Picture shifted to the left. Alignment works normally. (extract of circuit diagram attached)
• Unstable horizontal picture.
• 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. (with circuit diagram extract)
• Intermittently dead. (with circuit diagram extract)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (picture attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Too wide picture and East/West pincushion curving outward. (picture attached)
• Blocked control processor.
• No start up after changing IC601. Nothing lights up on the front.
• Insufficient picture heigth (10cm) and severe linear distortion. (54327891 SCHAUBLORENZ repair tip)
• 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)
• Unclear picture with Hum content.
• Switches off when selecting a function via RC.
• Whenever a function is requested display lights up then switches off.
• 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)
• Comes on for a short time. (picture attached)
• No colour.
• No picture. Hum in audio.
• Left picture side is brighter, even via AV. (+ extract of circuit diagram)
• PSU is defective. 300V is present. (service info for SCHAUBLORENZ -54327891)
• One side of picture is black.
• No synchronisation during the first few mins. (with circuit diagram extract)
• Picture amplitude is too weak.
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Erratic functions. (+ extract of circuit diagram)
• Transistor T701 fails when appliance is switched off and on.
• Only standby LED lit. LED switches off at switch on then no function.
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (part of circuit diagram displayed) (54327891 tip from SCHAUBLORENZ)
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• 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.
• Line BU is abnormally hot.
• No horizontal or vertical deflection.
• LED lights up briefly then nothing more.
• Line transistor S2000AF defective at switch on from cold. (+ extract of circuit diagram)
• Blank screen with purple haze at left hand side. (extract of circuit diagram attached)
• Does not switch on. Fluttering noise from the loudspeakers. (with circuit diagram extract)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Does not go into TXT mode. Mixed mode possible. (54327891 tips)
• Line tearing. (picture attached)
• Noise in the speakers and no start up or display on the front panel when switching on. (part of circuit diagram displayed)
• At switch on appliance pulsated then reverts to standby again.
• High voltage transistor (S2000) defective. (part of circuit diagram displayed)
• Unusual TXT.
• No HV.
• No functions. Red LED does not flash.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• PSU fails intermittently. (+ extract of circuit diagram)
• No horizontal synchronisation. at start-up. (with circuit diagram extract)
• White screen. Flyback lines.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (extract of circuit diagram attached)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Double picture.
• No vertical deflection. intermittently.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (part of circuit diagram displayed)
• Loud noise. at start-up.
• Power supply seems to remain in safety mode. (+ extract of circuit diagram)
• Eliminate safety mode of PSU.
• 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. (picture attached)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (part of circuit diagram displayed) (54327891 SCHAUBLORENZ repair tip)
• T501 fails repeatedly.
• PSU doesn't start up when cold. (extract of circuit diagram attached)
• Picture shifted horizontally. (with circuit diagram extract)
• Switches to standby (intermittently).
• Switches off immediately after plugging in mains. (with circuit diagram extract)
• Picture shifted to the right.
• Buzzing at start-up.
• Does not switch to standby. (+ extract of circuit diagram)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (part of circuit diagram displayed)
• Picture collapse on half of the picture.
• Standby display lights up briefly, then no function.
• E/W trapezium does not function. (54327891 tips)
• HV builds up briefly and then shuts down
• Control unit does not function. Does not switch on. (part of circuit diagram displayed) (SCHAUBLORENZ - 54327891 information)
• Dark picture. Stripes after a while. OK after warm-up. (+ extract of circuit diagram)
• Output transistor (S2000) fails when started from cold.
• Line frequency changes downward (squeaking, whistling).
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Unstable picture. (part of circuit diagram displayed)
• After approx 20 mins colour TV switches off.
• No audio (when cold).
• Brightness varies. E/W fault. intermittently.
• Vertical IC fails. (picture attached)
• Blank raster.
• Halts at switch on when cold. No start up. OK after a few attempts. (with circuit diagram extract)
• Hums at switch on, dies out slowly.
• DF-AF adjustment. (54327891 tips)
• Picture tearing.
• Collapses at start up, then switches off.
• Intermittently line tearing in the middle (approx. 20cm wide). (extract of circuit diagram attached)
• Pulsating picture. (+ extract of circuit diagram)
• No raster sync in HF. Ok in scart. (+ 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)
• Can be switched to standby only if power plug is pulled out.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• Resistor R775 is defective.
• Vertical and horizontal synchronisation available only after 2 mins.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Slow start-up. when cold. (picture attached)
• No picture (intermittently).
• No functions.
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (part of circuit diagram displayed)
• Poor PSU start-up or BU defective. (with circuit diagram extract)
• 88 shown on LED display. (54327891 tip from SCHAUBLORENZ)
• Distorted picture. on the right. (part of circuit diagram displayed)
• White point when switching off with ON/OFF switch. No point in standby. (54327891 tips)
• Illegible display. (extract of circuit diagram attached)
• 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. (picture attached)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Sound channel 1 and 2 voltage level adjustment.
• Only blue light at right in picture.
• Cycles on/off.
• Shuts down. (+ extract of circuit diagram)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (+ extract of circuit diagram) (54327891 tip from SCHAUBLORENZ)
• Reduced contrast, especially on one side of the screen.
• Defective linearity.
• Horizontal synchronisation fault, picture shifted towards left side. (extract of circuit diagram attached) (54327891 tips)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (part of circuit diagram displayed)
• Reduced raster size. (part of circuit diagram displayed)
• Picture is out of alignment horizontally. 10cm black bar on the right. (+ extract of circuit diagram)
• Picture shifted to the left. (+ extract of circuit diagram)
• Programmes change by themselves. RC is OK.
• Switches to protection mode. at start-up. (part of circuit diagram displayed)
• Does not start from Standby.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Few segments of the display too bright. Doesn't respond to commands.
• No HT output from power supply. OK in standby. (part of circuit diagram displayed) (SCHAUBLORENZ - 54327891 information)
• Excessive brightness. Flyback lines. (+ extract of circuit diagram)
• No start-up. (with circuit diagram extract)
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Resistor R515 becomes defective. (picture attached) (54327891 tip from SCHAUBLORENZ)
• Picture shifted to the left, too small and not adjustable. (with circuit diagram extract)
• Dark screen, only diffuse glow.
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• 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)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Hum bars, especially on yellow or orange background.
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (picture attached)
• EHT is heard starting up then everything stops 4 secs later.
• Convex picture. Defective lower linearity. (+ extract of circuit diagram) (54327891 tip from SCHAUBLORENZ)
• Dark picture.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract)
• Lines in picture.
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (extract of circuit diagram attached)
• HV arcing. (with circuit diagram extract)
• Black bar on the right side of the screen. Similar to displacement. (part of circuit diagram displayed)
• 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)
• Horizontal stripe. in the centre.
• HV appears briefly and then disappears. (picture attached)
• Reduced vertical size.
• Picture and sound missing. Via scart socket with video recorder OK (picture attached)
• Excessive brightness. in the centre. (+ extract of circuit diagram)
• Tripping.
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Poor audio.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (+ extract of circuit diagram)
• Brightness differs between left and right hand side of the screen.
• Does not fully go to TXT or only blue mix TXT. (+ extract of circuit diagram)
• FBT blows after a few mins. (picture attached)
• Attempts to start with no result. (with circuit diagram extract)
• NICAM is missing.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (part of circuit diagram displayed)
• Picture goes off after 1 minute; very low contrast, ok through scart. (picture attached)
• Poor shading of picture, dark on one side and light on the other. (extract of circuit diagram attached)
• Flashing picture. (+ extract of circuit diagram)
• Poor adjustment of horizontal picture centering. (part of circuit diagram displayed)
• Picture too big. (picture attached)
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely. (service info for SCHAUBLORENZ -54327891)
• 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 picture content. Picture is greyish. (+ extract of circuit diagram)
• Horizontal collapse. after a while. (part of circuit diagram displayed)
• At Power On standby LED switches off immediately after switching on.
• Horizontal white line.
• Vertical, bright stripe faintly visible in the right third of the picture.
• No PSU start-up.
• Blue screen. Flyback lines. Audio OK .
• Very slight flickering with a light picture. (extract of circuit diagram attached)
• E/W fault. (part of circuit diagram displayed)
• Operation commands are not carried out.
• Does not switch ON. No power light showing.
• Poor line and picture synchronisation when cold.
• No functions. after a while.
• Picture appears slowly. (with circuit diagram extract)
• Top third of screen has ragged vertical lines.
• 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. (picture attached)
• Wavy picture. at top. (with circuit diagram extract) (SCHAUBLORENZ - 54327891 information)
• No tuning.
• Stuck in standby. (54327891 SCHAUBLORENZ repair tip)
• The picture is too large and wavers.
• Picture is too wide. E/W distorted.
• No horizontal synchronisation. (part of circuit diagram displayed)
• Rattling noise or bubbling at start-up (when cold). (+ extract of circuit diagram)
• Black screen. Display flashes once at switch on.
• Excessive HV. (part of circuit diagram displayed)
• No tuning. only on certain channels. Dark screen. on the right.
• Vertical line tearing. intermittently.
• Loses sync at start-up for a few minutes.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (extract of circuit diagram attached)
• Picture only appears about 3 mins after switch on, when appliance is cold. (54327891 SCHAUBLORENZ repair tip)
• Builds up high voltage for a short time and then switches off. (picture attached)
• Picture is distorted and changes. Loss of colours. (extract of circuit diagram attached)
• No synchronisation (after start-up). (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54327891)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (+ extract of circuit diagram)
• Stuck in standby; RC ineffective. Stanby LED flickers. (extract of circuit diagram attached) (54327891 SCHAUBLORENZ repair tip)
• Dark screen. on the right. (part of circuit diagram displayed)
• No picture. No audio. (+ extract of circuit diagram)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• When TV started up, transistor (S2000AF) instantly burn out. (part of circuit diagram displayed)
• The teletext contrast is considerably too high after installing the teletext decoder.
• Vertical jitter. when cold.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• Centre of snowy picture is darker than edges. (extract of circuit diagram attached)
• Vertical lines. No colour. after a while.
• Shadowing effect, left side of picture is brighter than the right one. (extract of circuit diagram attached)
• Horizontal jitter. Vertical jitter. (picture attached)
• Picture shaking in a random direction. (extract of circuit diagram attached)
• PSU switches from standby to safety mode at switch on.
• Remains in standby after changing power IC. (part of circuit diagram displayed)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (with circuit diagram extract)
• High voltage runs high. Flashover all over.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Display flashing and rattles at switch on. (extract of circuit diagram attached)
• Low brightness. Picture too big.
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (picture attached)
• No colour (intermittently).
• 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. (54327891 tips)
• Approx 20cm wide dark area in centre of picture and line tearing. (SCHAUBLORENZ - 54327891 information)
• Dark picture. intermittently.
• Horizontal shaking. when cold.
• Dark picture. on the right. (part of circuit diagram displayed)
• Vertical curtain-like stripes which may be distributed over the entire screen. (picture attached)
• PSU doesn't start-up or only after a while. Cracking sound.
• Poor vertical linearity at the bottom, also E/W error.
• Instructions on how to put appliance into Service-Mode.
• Goes into safety mode at switch on. If FBT is unsoldered then HT is re-established. No apparent S/C in secondary of FBT. (part of circuit diagram displayed)
• From a cold start line output stage transistor fails.
• 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. (54327891 SCHAUBLORENZ repair tip)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (+ extract of circuit diagram)
• No picture. Audio OK . (+ extract of circuit diagram)
• Black picture. Sound OK. Picture is OK after restart. (+ extract of circuit diagram)
• Blue, vertical stripe in the right third of the picture.
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (with circuit diagram extract)
• After transporting an appliance, the first time it starts up there may be distorted playback of colour (flickering, drop out or stripes) and/or defective teletext playback.
• Hums at switch on. (part of circuit diagram displayed)
• Power supply hiccups.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Enter service mode.
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (extract of circuit diagram attached) (54327891 tips)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• 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.
• Dead.
• NICAM check.
• Dead. after start-up. (54327891 tip from SCHAUBLORENZ)
• No TXT (intermittently).
• 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.
• Horizontal line.
• Picture distorted, shifted upwards and a little bit too wide.
• No tuning. Higher channels in band I/III/V are not received. (54327891 tip from SCHAUBLORENZ)
• Pincushion distortion.
• Shuts down. after start-up. (picture attached)
• No start-up from standby.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• No picture. on lower half screen. (extract of circuit diagram attached)
• Bright raster. Flyback lines.
• Picture rolls. when cold. (+ extract of circuit diagram) (service info for SCHAUBLORENZ -54327891)
• No start-up (when cold).
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Vertical collapse. (picture attached)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• No control and cannot be switched off when started up from standby.
• Programming menu can not be accessed. (+ extract of circuit diagram)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• No start up after changing FBT and constant whistling noise. (picture attached)
• Line tearing. at top. (picture attached)
• Power supply defective after a few days. (picture attached)
• Bright vertical stripes. No picture content. Sound OK. (picture attached)
• 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.
• 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. (with circuit diagram extract)
• Afterglow on deflection tube after switch off.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (picture attached)
• Black vertical bars on picture, mostly visible in AV with no video source. (part of circuit diagram displayed)
• Only snow in the picture, after changing the tuner the fault is still there.
• Random operation commands.
• Picture with vertical and horizontal lines (when cold).
• Long picture at start up, black screen with rainbow spots. (54327891 tips)
• Line synchronisation available only after 2 mins.
• 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)
• Does not go into text mode, mix mode is not possible.
• Excessive vertical size. Vertical foldover at bottom.
• Line transformer starts up but no display, nothing on the screen and no sound. (with circuit diagram extract)
• 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. (picture attached)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• 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. (with circuit diagram extract)
• AV correction.
• No vertical deflection. Horizontal line. Audio OK . (part of circuit diagram displayed)
• Noise in audio. (picture attached)
• Intermittent block.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (picture attached)
• PSU starts briefly, then no more HV. (part of circuit diagram displayed)
• Distorted vertical linearity. Barrel distortion. (part of circuit diagram displayed)
• Coloured lines (RGB test lines) in top of picture.
• Control unit processor is defective. (picture attached)
• Noise in picture. Poor horizontal synchronisation.