54326281 / SCHAUBLORENZ [TV (Standard)]

• From a cold start line output stage transistor fails.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (part of circuit diagram displayed)
• Only standby LED lit. LED switches off at switch on then no function.
• Wavy vertical lines in the entire picture when cold. Picture jitters. (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. (with circuit diagram extract)
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• No PSU start-up. (SCHAUBLORENZ - 54326281 information)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (+ extract of circuit diagram)
• No TXT (intermittently).
• Poor vertical linearity at the bottom, also E/W error.
• Picture too big. (with circuit diagram extract)
• Picture with vertical and horizontal lines (when cold). (54326281 SCHAUBLORENZ repair tip)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off. (54326281 tips)
• Standby display lights up briefly, then no function.
• Picture shifted to the left. Alignment works normally. (extract of circuit diagram attached)
• PSU fails intermittently. (with circuit diagram extract)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• 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.
• Picture shifted to the left. (+ extract of circuit diagram)
• Insufficient picture heigth (10cm) and severe linear distortion.
• Does not switch to standby. (+ extract of circuit diagram) (service info for SCHAUBLORENZ -54326281)
• Can be switched to standby only if power plug is pulled out.
• Blue screen. Flyback lines. Audio OK .
• Line tearing. at top. (with circuit diagram extract)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Vertical or horizontal picture shaking both when hot and cold. (+ extract of circuit diagram)
• No synchronisation (after start-up). (picture attached)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable. (54326281 tips)
• Vertical and horizontal synchronisation available only after 2 mins.
• Switches off when selecting a function via RC.
• Only snow in the picture, after changing the tuner the fault is still there.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (+ extract of circuit diagram)
• Long picture at start up, black screen with rainbow spots.
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract)
• Poor line and picture synchronisation when cold.
• No picture content. Picture is greyish. (part of circuit diagram displayed)
• Does not go into text mode, mix mode is not possible.
• Double picture. (SCHAUBLORENZ - 54326281 information)
• Horizontal shaking. when cold.
• Defective linearity.
• No horizontal synchronisation. (part of circuit diagram displayed)
• Vertical collapse. (+ extract of circuit diagram) (54326281 tip from SCHAUBLORENZ)
• 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. (service info for SCHAUBLORENZ -54326281)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (picture attached)
• Hums at switch on. (part of circuit diagram displayed)
• Slow start-up. when cold. (extract of circuit diagram attached)
• Intermittent block.
• White screen. Flyback lines.
• Picture shifted horizontally. (with circuit diagram extract)
• Halts at switch on when cold. No start up. OK after a few attempts. (+ extract of circuit diagram)
• Blank raster.
• Does not start from Standby.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Reduced raster size. (picture attached)
• Buzzing at start-up.
• Line transformer starts up but no display, nothing on the screen and no sound. (extract of circuit diagram attached) (SCHAUBLORENZ - 54326281 information)
• EHT is heard starting up then everything stops 4 secs later.
• No vertical deflection. intermittently.
• Operation commands are not carried out.
• Left picture side is brighter, even via AV. (with circuit diagram extract)
• Does not fully go to TXT or only blue mix TXT. (picture attached)
• Dead. after start-up.
• Black vertical bars on picture, mostly visible in AV with no video source. (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. (service info for SCHAUBLORENZ -54326281)
• Programmes change by themselves. RC is OK.
• 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.
• Noise in picture. Poor horizontal synchronisation.
• LED lights up briefly then nothing more.
• Poor adjustment of horizontal picture centering. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54326281)
• Poor audio.
• Poor synchronisation. No picture. after a while.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• 88 shown on LED display.
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (part of circuit diagram displayed)
• 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)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (with circuit diagram extract) (54326281 tip from SCHAUBLORENZ)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (with circuit diagram extract)
• Collapses at start up, then switches off.
• Picture shifted to the left, too small and not adjustable. (extract of circuit diagram attached)
• Vertical jitter. when cold.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Attempts to start with no result. (part of circuit diagram displayed)
• Black bar on the right side of the screen. Similar to displacement. (with circuit diagram extract)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Shuts down. after start-up. (picture attached)
• No picture. Audio OK . (with circuit diagram extract)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Lines in picture.
• Hum bars, especially on yellow or orange background.
• Horizontal jitter. Vertical jitter. (+ extract of circuit diagram)
• Power supply seems to remain in safety mode. (with circuit diagram extract) (54326281 tips)
• FBT blows after a few mins. (picture attached)
• Switches off completely after switch on. No standby function. (+ extract of circuit diagram)
• At switch on appliance pulsated then reverts to standby again.
• Erratic functions. (+ extract of circuit diagram)
• Only blue light at right in picture.
• Distorted vertical linearity. Barrel distortion. (extract of circuit diagram attached)
• Low brightness. Picture too big.
• Picture amplitude is too weak.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (picture attached)
• Afterglow on deflection tube after switch off.
• PSU doesn't start-up or only after a while. Cracking sound.
• Loses sync at start-up for a few minutes.
• Horizontal jitter. when cold.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (extract of circuit diagram attached)
• Noise in the speakers and no start up or display on the front panel when switching on. (extract of circuit diagram 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)
• No functions.
• Cycles on/off.
• 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.
• No raster sync in HF. Ok in scart. (+ extract of circuit diagram)
• Horizontal synchronisation fault, picture shifted towards left side. (picture attached)
• Comes on for a short time. (picture attached)
• Intermittent no image or yellow colouring. Knock sensitive. (part of circuit diagram displayed)
• Builds up high voltage for a short time and then switches off. (part of circuit diagram displayed)
• Brightness varies. E/W fault. intermittently.
• Noise in audio. (extract of circuit diagram attached)
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (extract of circuit diagram attached)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Hums at switch on, dies out slowly.
• 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)
• Slightly wavy picture in the middle of the screen. (+ extract of circuit diagram)
• Unstable picture. (extract of circuit diagram attached)
• 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. (SCHAUBLORENZ - 54326281 information)
• T501 fails repeatedly.
• No horizontal or vertical deflection. (54326281 SCHAUBLORENZ repair tip)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• 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.
• Unusual TXT.
• 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)
• Stops after 5 seconds. No standby LED. (with circuit diagram extract) (54326281 tips)
• Switches off immediately after plugging in mains. (extract of circuit diagram attached)
• Excessive HV. (extract of circuit diagram attached) (54326281 tips)
• After approx 20 mins colour TV switches off. (54326281 tips)
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (with circuit diagram extract)
• PSU starts briefly, then no more HV. (extract of circuit diagram attached)
• Dark screen. on the right. (extract of circuit diagram attached)
• The picture is too large and wavers.
• Dark picture. Stripes after a while. OK after warm-up. (part of circuit diagram displayed)
• No functions. after a while.
• Dark screen, only diffuse glow.
• Too wide picture and East/West pincushion curving outward. (with circuit diagram extract)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (+ 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.
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Picture rolls. when cold. (extract of circuit diagram attached)
• Bright vertical stripes. No picture content. Sound OK. (picture attached)
• Unstable horizontal picture.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Coloured lines (RGB test lines) in top of picture. (54326281 tip from SCHAUBLORENZ)
• No audio (when cold).
• No E/W correction. (picture attached)
• Shadowing effect, left side of picture is brighter than the right one. (+ extract of circuit diagram)
• Loud noise. at start-up.
• Does not switch on. Fluttering noise from the loudspeakers. (part of circuit diagram displayed)
• E/W trapezium does not function.
• 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)
• Dark picture. (SCHAUBLORENZ - 54326281 information)
• Picture and sound missing. Via scart socket with video recorder OK (+ extract of circuit diagram)
• No start-up. (with circuit diagram extract)
• Picture is out of alignment horizontally. 10cm black bar on the right. (picture attached)
• Picture takes 15 secs. to appear. Sound ok and EHT present. (54326281 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.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• No picture. Hum in audio. (54326281 tip from SCHAUBLORENZ)
• White point when switching off with ON/OFF switch. No point in standby.
• Line synchronisation available only after 2 mins.
• Switches to standby (intermittently).
• High voltage runs high. Flashover all over.
• At Power On standby LED switches off immediately after switching on.
• HV builds up briefly and then shuts down
• Line frequency changes downward (squeaking, whistling).
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (picture attached)
• Picture collapse on half of the picture.
• No tuning. only on certain channels. Dark screen. on the right.
• Illegible display. (with circuit diagram extract)
• 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.
• 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.
• Output transistor (S2000) fails when started from cold.
• No picture (intermittently).
• DF-AF adjustment.
• No start-up (when cold).
• The teletext contrast is considerably too high after installing the teletext decoder.
• PSU can not be loaded with 60W incandescent lamp.
• No control and cannot be switched off when started up from standby.
• No picture. No audio. (part of circuit diagram displayed)
• Convex picture. Defective lower linearity. (+ extract of circuit diagram) (SCHAUBLORENZ - 54326281 information)
• No vertical deflection. Horizontal line. Audio OK . (extract of circuit diagram attached)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (picture attached)
• Picture goes off after 1 minute; very low contrast, ok through scart. (picture attached)
• No functions. Red LED does not flash.
• Picture is too wide. E/W distorted.
• Centre of snowy picture is darker than edges. (part of circuit diagram displayed)
• High voltage build up for short time then PSU switches off. (extract of circuit diagram attached)
• Shuts down. (extract of circuit diagram attached)
• No horizontal synchronisation. at start-up. (extract of circuit diagram attached)
• Remains in standby after changing power IC. (part of circuit diagram displayed)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• E/W fault. (+ extract of circuit diagram)
• Stuck in standby; RC ineffective. Stanby LED flickers. (part of circuit diagram displayed)
• Cuts out after switch on, soft hum from the speakers in standby mode.
• PSU is defective. 300V is present.
• HV arcing. (extract of circuit diagram attached)
• Blue, vertical stripe in the right third of the picture.
• Intermittently dead. (extract of circuit diagram attached)
• Enter service mode. (SCHAUBLORENZ - 54326281 information)
• Top third of screen has ragged vertical lines.
• 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.
• Poor PSU start up. Severe crackle in the loudspeaker.
• Black screen. Display flashes once at switch on. (service info for SCHAUBLORENZ -54326281)
• Blank screen with purple haze at left hand side. (with circuit diagram extract)
• Wavy picture. at top. (with circuit diagram extract)
• Vertical line tearing. intermittently.
• Power supply defective after a few days. (with circuit diagram extract)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (+ extract of circuit diagram) (service info for SCHAUBLORENZ -54326281)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Excessive brightness. in the centre. (part of circuit diagram displayed)
• Horizontal stripe. in the centre.
• NICAM is missing.
• Picture is distorted and changes. Loss of colours. (picture attached)
• Reduced vertical size.
• Picture appears slowly. (extract of circuit diagram attached)
• Bright raster. Flyback lines.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (picture attached)
• Tripping.
• No colour.
• 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. (part of circuit diagram displayed)
• Distorted picture. on the right. (+ extract of circuit diagram)
• Line BU is abnormally hot.
• Power supply hiccups.
• Transistor T701 fails when appliance is switched off and on.
• No synchronisation during the first few mins. (with circuit diagram extract)
• 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)
• Programming menu can not be accessed. (extract of circuit diagram attached)
• Poor shading of picture, dark on one side and light on the other. (with circuit diagram extract) (54326281 tips)
• 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)
• No tuning. Higher channels in band I/III/V are not received.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• When TV started up, transistor (S2000AF) instantly burn out. (with circuit diagram extract)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• PSU doesn't start up when cold. (+ extract of circuit diagram)
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Control unit does not function. Does not switch on. (extract of circuit diagram attached)
• No colour (intermittently).
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (part of circuit diagram displayed)
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (+ extract of circuit diagram)
• Horizontal collapse. after a while. (+ extract of circuit diagram)
• Picture tearing.
• Does not switch ON. No power light showing.
• Display flashing and rattles at switch on. (with circuit diagram extract)
• Control unit processor is defective. (part of circuit diagram displayed)
• Picture shaking in a random direction. (extract of circuit diagram attached)
• Resistor R515 becomes defective. (with circuit diagram extract)
• No tuning.
• Unclear picture with Hum content. (54326281 SCHAUBLORENZ repair tip)
• High voltage transistor (S2000) defective. (+ extract of circuit diagram)
• Intermittently line tearing in the middle (approx. 20cm wide). (+ extract of circuit diagram)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (picture attached)
• No start up after changing IC601. Nothing lights up on the front.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Vertical IC fails. (picture attached)
• Pulsating picture. (with circuit diagram extract)
• Approx 20cm wide dark area in centre of picture and line tearing.
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (extract of circuit diagram attached) (54326281 tip from SCHAUBLORENZ)
• E/W-fault.
• Flashing picture. (with circuit diagram extract)
• No HT output from power supply. OK in standby. (+ extract of circuit diagram)
• Line tearing. (part of circuit diagram displayed)
• Dark picture. intermittently.
• Sound channel 1 and 2 voltage level adjustment.
• NICAM check.
• Switches to protection mode. at start-up. (picture attached)
• Instructions on how to put appliance into Service-Mode.
• Blocked control processor.
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Horizontal line.
• PSU switches from standby to safety mode at switch on.
• When appliance receives in Nicam stereo, the TV goes into PAL.
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (part of circuit diagram displayed)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (with circuit diagram extract)
• Bright picture. on the right. Dark picture. on the left. (+ extract of circuit diagram)
• Picture shifted to the right.
• No picture. on lower half screen. (extract of circuit diagram attached)
• Vertical, bright stripe faintly visible in the right third of the picture.
• Rattling noise or bubbling at start-up (when cold). (+ extract of circuit diagram)
• Black picture. Sound OK. Picture is OK after restart. (part of circuit diagram displayed) (54326281 tip from SCHAUBLORENZ)
• Dark picture. on the right. (part of circuit diagram displayed)
• Vertical lines. No colour. after a while.
• Does not go into TXT mode. Mixed mode possible.
• Starts with noise (approx. 2-3 seconds), then it operates normally. (picture attached)
• Pincushion distortion. (54326281 tips)
• AV correction.
• Reduced contrast, especially on one side of the screen.
• Very pale picture which is shifted to the left. Voltage is correct. (picture attached) (54326281 SCHAUBLORENZ repair tip)
• No start-up from standby.
• No start up after changing FBT and constant whistling noise. (+ extract of circuit diagram)
• Poor PSU start-up or BU defective. (with circuit diagram extract)
• 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.
• Eliminate safety mode of PSU.
• Resistor R775 is defective.
• HV appears briefly and then disappears. (extract of circuit diagram attached)
• Picture distorted, shifted upwards and a little bit too wide.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Horizontal white line.
• Excessive brightness. Flyback lines. (extract of circuit diagram attached) (54326281 tip from SCHAUBLORENZ)
• One side of picture is black.
• Vertical curtain-like stripes which may be distributed over the entire screen. (+ extract of circuit diagram)
• Random operation commands.
• Stuck in standby.
• Whenever a function is requested display lights up then switches off.
• No HV.
• Excessive horizontal size. (with circuit diagram extract)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• 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)
• Dead.
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Brightness differs between left and right hand side of the screen.
• No TXT.
• Very slight flickering with a light picture. (extract of circuit diagram attached)
• Few segments of the display too bright. Doesn't respond to commands. (54326281 tip from SCHAUBLORENZ)
• Line transistor S2000AF defective at switch on from cold. (+ extract of circuit diagram)
• Excessive vertical size. Vertical foldover at bottom.
• 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. (with circuit diagram extract)