54327920 / SCHAUBLORENZ [TV (Standard)]

• Sound channel 1 and 2 voltage level adjustment.
• Black bar on the right side of the screen. Similar to displacement. (with circuit diagram extract)
• Black screen. Display flashes once at switch on.
• HV builds up briefly and then shuts down
• Picture is distorted and changes. Loss of colours. (part of circuit diagram displayed)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (part of circuit diagram displayed) (SCHAUBLORENZ - 54327920 information)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary. (54327920 tips)
• No HV.
• Too wide picture and East/West pincushion curving outward. (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 attached)
• PSU doesn't start-up or only after a while. Cracking sound.
• Does not switch ON. No power light showing.
• Does not go into TXT mode. Mixed mode possible.
• Poor PSU start-up or BU defective. (picture attached)
• Long picture at start up, black screen with rainbow spots.
• Resistor R515 becomes defective. (extract of circuit diagram attached)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (picture attached) (SCHAUBLORENZ - 54327920 information)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (with circuit diagram extract)
• Blank raster.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (+ extract of circuit diagram)
• E/W trapezium does not function.
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• E/W fault. (picture attached)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Vertical IC fails. (picture attached)
• Slow start-up. when cold. (part of circuit diagram displayed)
• Picture shifted to the left, too small and not adjustable. (part of circuit diagram displayed)
• Reduced vertical size.
• No start-up from standby.
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (with circuit diagram extract) (54327920 tip from SCHAUBLORENZ)
• Vertical curtain-like stripes which may be distributed over the entire screen. (with circuit diagram extract)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (extract of circuit diagram attached)
• No vertical deflection. Horizontal line. Audio OK . (+ extract of circuit diagram)
• Picture too big. (+ extract of circuit diagram)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (picture attached)
• Does not switch to standby. (picture attached)
• After approx 20 mins colour TV switches off.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• 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.
• Power supply defective after a few days. (extract of circuit diagram attached)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (extract of circuit diagram attached) (54327920 tip from SCHAUBLORENZ)
• At switch on appliance pulsated then reverts to standby again.
• 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.
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Loses sync at start-up for a few minutes. (54327920 SCHAUBLORENZ repair tip)
• Poor adjustment of horizontal picture centering. (with circuit diagram extract)
• Horizontal shaking. when cold. (54327920 tip from SCHAUBLORENZ)
• No picture. Hum in audio.
• No TXT.
• Buzzing at start-up.
• Tripping.
• Coloured lines (RGB test lines) in top of picture.
• Intermittent no image or yellow colouring. Knock sensitive. (picture attached)
• Cuts out after switch on, soft hum from the speakers in standby mode.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (extract of circuit diagram attached)
• Afterglow on deflection tube after switch off.
• Does not fully go to TXT or only blue mix TXT. (+ extract of circuit diagram)
• Shuts down. after start-up. (part of circuit diagram displayed)
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• Power supply seems to remain in safety mode. (part of circuit diagram displayed)
• Picture shifted to the left. Alignment works normally. (picture attached)
• Reduced contrast, especially on one side of the screen.
• FBT blows after a few mins. (extract of circuit diagram attached)
• No HT output from power supply. OK in standby. (picture attached)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (+ extract of circuit diagram)
• No start-up (when cold). (54327920 SCHAUBLORENZ repair tip)
• Distorted picture. on the right. (+ extract of circuit diagram)
• 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.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54327920)
• Vertical and horizontal synchronisation available only after 2 mins.
• Intermittent block.
• Poor synchronisation. No picture. after a while. (service info for SCHAUBLORENZ -54327920)
• No colour (intermittently).
• White point when switching off with ON/OFF switch. No point in standby.
• Attempts to start with no result. (picture attached)
• Horizontal line.
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (+ extract of circuit diagram)
• LED lights up briefly then nothing more.
• Intermittently dead. (with circuit diagram extract)
• No picture content. Picture is greyish. (part of circuit diagram displayed)
• From a cold start line output stage transistor fails.
• Eliminate safety mode of PSU.
• Excessive horizontal size. (+ extract of circuit diagram)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (part of circuit diagram displayed)
• Line transistor S2000AF defective at switch on from cold. (picture attached)
• NICAM check.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal. (54327920 SCHAUBLORENZ repair tip)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (picture attached)
• No control and cannot be switched off when started up from standby.
• Vertical, bright stripe faintly visible in the right third of the picture.
• Excessive brightness. Flyback lines. (picture attached)
• Low brightness. Picture too big.
• Unstable picture. (+ extract of circuit diagram)
• Poor PSU start up. Severe crackle in the loudspeaker.
• Hums at switch on, dies out slowly.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Reduced raster size. (picture attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Flashing picture. (part of circuit diagram displayed)
• Vertical or horizontal picture shaking both when hot and cold. (with circuit diagram extract)
• Unstable horizontal picture.
• PSU doesn't start up when cold. (part of circuit diagram displayed) (54327920 SCHAUBLORENZ repair tip)
• Programmes change by themselves. RC is OK.
• No picture. on lower half screen. (with circuit diagram extract) (54327920 SCHAUBLORENZ repair tip)
• Black vertical bars on picture, mostly visible in AV with no video source. (with circuit diagram extract)
• Excessive HV. (extract of circuit diagram attached)
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (extract of circuit diagram attached)
• 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)
• Only snow in the picture, after changing the tuner the fault is still there.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (+ extract of circuit diagram)
• No functions. after a while.
• PSU switches from standby to safety mode at switch on.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• 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.
• Only blue light at right in picture.
• Picture is out of alignment horizontally. 10cm black bar on the right. (part of circuit diagram displayed)
• No functions.
• At switch on, lights light up for an instant, voltage which ought to reach 145V increases to 60V but then goes back to 0V. (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)
• EHT is heard starting up then everything stops 4 secs later.
• Lines in picture.
• Blue screen. Flyback lines. Audio OK .
• White screen. Flyback lines.
• Picture shifted to the right.
• Control unit processor is defective. (picture attached)
• Very pale picture which is shifted to the left. Voltage is correct. (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.
• Picture appears slowly. (picture attached) (service info for SCHAUBLORENZ -54327920)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (extract of circuit diagram attached)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (extract of circuit diagram attached)
• Wavy picture. at top. (with circuit diagram extract)
• 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 jitter. when cold.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Picture collapse on half of the picture.
• Vertical jitter. when cold.
• Picture shifted to the left. (extract of circuit diagram attached)
• Slightly wavy picture in the middle of the screen. (extract of circuit diagram attached)
• Dark picture.
• Line synchronisation available only after 2 mins.
• Picture tearing.
• Remains in standby after changing power IC. (part of circuit diagram displayed)
• Pulsating picture. (+ extract of circuit diagram) (54327920 SCHAUBLORENZ repair tip)
• Hum bars, especially on yellow or orange background.
• 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.
• Picture with vertical and horizontal lines (when cold).
• Power supply hiccups.
• Line tearing. (extract of circuit diagram attached)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Dark picture. intermittently.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately. (54327920 SCHAUBLORENZ repair tip)
• PSU is defective. 300V is present.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (part of circuit diagram displayed)
• Poor vertical linearity at the bottom, also E/W error.
• Insufficient picture heigth (10cm) and severe linear distortion.
• Unclear picture with Hum content. (54327920 tip from SCHAUBLORENZ)
• Does not switch on. Fluttering noise from the loudspeakers. (extract of circuit diagram attached) (54327920 tip from SCHAUBLORENZ)
• Comes on for a short time. (with circuit diagram extract)
• DF-AF adjustment.
• Instructions on how to put appliance into Service-Mode.
• 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.
• Dark picture. Stripes after a while. OK after warm-up. (+ extract of circuit diagram)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge. (service info for SCHAUBLORENZ -54327920)
• Dark screen, only diffuse glow.
• No picture. No audio. (+ extract of circuit diagram)
• High voltage runs high. Flashover all over.
• No synchronisation during the first few mins. (part of circuit diagram displayed)
• Poor line and picture synchronisation when cold.
• Stuck in standby; RC ineffective. Stanby LED flickers. (with circuit diagram extract)
• Picture goes off after 1 minute; very low contrast, ok through scart. (+ extract of circuit diagram)
• No picture. Audio OK . (extract of circuit diagram attached)
• No colour.
• Can be switched to standby only if power plug is pulled out.
• High voltage build up for short time then PSU switches off. (+ extract of circuit diagram)
• No synchronisation (after start-up). (+ extract of circuit diagram)
• No E/W correction. (picture attached)
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract)
• Standby display lights up briefly, then no function.
• Picture rolls. when cold. (+ extract of circuit diagram)
• Centre of snowy picture is darker than edges. (picture attached)
• No start up after changing IC601. Nothing lights up on the front. (SCHAUBLORENZ - 54327920 information)
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Horizontal jitter. Vertical jitter. (extract of circuit diagram attached)
• No tuning.
• Noise in picture. Poor horizontal synchronisation.
• Excessive vertical size. Vertical foldover at bottom.
• 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.
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• PSU fails intermittently. (with circuit diagram extract)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Bright vertical stripes. No picture content. Sound OK. (with circuit diagram extract)
• Noise in audio. (+ extract of circuit diagram)
• No functions. Red LED does not flash.
• Picture distorted, shifted upwards and a little bit too wide.
• Bright picture. on the right. Dark picture. on the left. (extract of circuit diagram attached)
• Enter service mode.
• Switches off immediately after plugging in mains. (part of circuit diagram displayed)
• HV appears briefly and then disappears. (extract of circuit diagram attached)
• PSU can not be loaded with 60W incandescent lamp.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (extract of circuit diagram attached)
• Dead. after start-up.
• No audio (when cold).
• Top third of screen has ragged vertical lines.
• No tuning. only on certain channels. Dark screen. on the right.
• Resistor R775 is defective. (54327920 tips)
• Shuts down. (part of circuit diagram displayed)
• Erratic functions. (with circuit diagram extract)
• E/W-fault.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• Picture and sound missing. Via scart socket with video recorder OK (+ extract of circuit diagram) (SCHAUBLORENZ - 54327920 information)
• High voltage transistor (S2000) defective. (picture attached)
• Transistor T701 fails when appliance is switched off and on.
• No raster sync in HF. Ok in scart. (picture attached)
• 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)
• HV arcing. (with circuit diagram extract)
• Pincushion distortion.
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (part of circuit diagram displayed)
• Noise in the speakers and no start up or display on the front panel when switching on. (picture attached)
• Vertical collapse. (picture attached)
• NICAM is missing.
• 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.
• Horizontal collapse. after a while. (part of circuit diagram displayed)
• Dark picture. on the right. (+ extract of circuit diagram)
• Picture amplitude is too weak. (54327920 tip from SCHAUBLORENZ)
• Only standby LED lit. LED switches off at switch on then no function.
• 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)
• Blocked control processor.
• No horizontal synchronisation. at start-up. (with circuit diagram extract)
• 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)
• Output transistor (S2000) fails when started from cold.
• Illegible display. (part of circuit diagram displayed)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• No picture (intermittently).
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Starts with noise (approx. 2-3 seconds), then it operates normally. (with circuit diagram extract)
• Brightness varies. E/W fault. intermittently. (service info for SCHAUBLORENZ -54327920)
• No tuning. Higher channels in band I/III/V are not received.
• At Power On standby LED switches off immediately after switching on.
• Programming menu can not be accessed. (picture attached)
• Picture shaking in a random direction. (+ extract of circuit diagram)
• Halts at switch on when cold. No start up. OK after a few attempts. (picture attached)
• 88 shown on LED display.
• Left picture side is brighter, even via AV. (picture attached)
• Blue, vertical stripe in the right third of the picture.
• Bright raster. Flyback lines.
• Random operation commands.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• The picture is too large and wavers.
• Does not start from Standby.
• AV correction. (54327920 tip from SCHAUBLORENZ)
• Stops after 5 seconds. No standby LED. (+ extract of circuit diagram)
• Line tearing. at top. (part of circuit diagram displayed)
• Brightness differs between left and right hand side of the screen. (54327920 tips)
• PSU starts briefly, then no more HV. (+ extract of circuit diagram)
• No horizontal synchronisation. (picture attached)
• Black picture. Sound OK. Picture is OK after restart. (picture attached)
• Vertical line tearing. intermittently. (SCHAUBLORENZ - 54327920 information)
• Cycles on/off.
• Hums at switch on. (extract of circuit diagram attached)
• No horizontal or vertical deflection.
• No start up after changing FBT and constant whistling noise. (part of circuit diagram displayed)
• Blank screen with purple haze at left hand side. (+ extract of circuit diagram)
• Horizontal stripe. in the centre.
• Switches off when selecting a function via RC.
• Picture is too wide. E/W distorted.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears. (service info for SCHAUBLORENZ -54327920)
• Builds up high voltage for a short time and then switches off. (with circuit diagram extract)
• Poor audio.
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (part of circuit diagram displayed)
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Stuck in standby.
• Unusual TXT.
• Vertical lines. No colour. after a while.
• The teletext contrast is considerably too high after installing the teletext decoder.
• Control unit does not function. Does not switch on. (extract of circuit diagram attached)
• No vertical deflection. intermittently.
• Very slight flickering with a light picture. (with circuit diagram extract) (service info for SCHAUBLORENZ -54327920)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Line frequency changes downward (squeaking, whistling).
• One side of picture is black.
• Switches to standby (intermittently).
• Distorted vertical linearity. Barrel distortion. (part of circuit diagram displayed) (54327920 SCHAUBLORENZ repair tip)
• Convex picture. Defective lower linearity. (extract of circuit diagram attached)
• Excessive brightness. in the centre. (extract of circuit diagram attached)
• Defective linearity. (service info for SCHAUBLORENZ -54327920)
• No TXT (intermittently).
• Line transformer starts up but no display, nothing on the screen and no sound. (extract of circuit diagram attached)
• Picture shifted horizontally. (picture attached)
• Horizontal synchronisation fault, picture shifted towards left side. (extract of circuit diagram attached)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (part of circuit diagram displayed)
• Display flashing and rattles at switch on. (with circuit diagram extract)
• When TV started up, transistor (S2000AF) instantly burn out. (picture attached)
• No start-up. (part of circuit diagram displayed)
• Intermittently line tearing in the middle (approx. 20cm wide). (extract of circuit diagram attached)
• Line BU is abnormally hot.
• Switches off completely after switch on. No standby function. (+ extract of circuit diagram)
• Few segments of the display too bright. Doesn't respond to commands.
• No PSU start-up.
• Approx 20cm wide dark area in centre of picture and line tearing.
• Horizontal white line.
• Loud noise. at start-up.
• Double picture.
• Dead.
• Switches to protection mode. at start-up. (part of circuit diagram displayed) (54327920 SCHAUBLORENZ repair tip)
• Shadowing effect, left side of picture is brighter than the right one. (part of circuit diagram displayed)
• Poor shading of picture, dark on one side and light on the other. (part of circuit diagram displayed)
• 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 attached) (SCHAUBLORENZ - 54327920 information)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• 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. (part of circuit diagram displayed)
• Collapses at start up, then switches off.
• Does not go into text mode, mix mode is not possible.
• Rattling noise or bubbling at start-up (when cold). (picture attached)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• T501 fails repeatedly. (54327920 SCHAUBLORENZ repair tip)
• Dark screen. on the right. (part of circuit diagram displayed)
• Whenever a function is requested display lights up then switches off.
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (with circuit diagram extract) (54327920 tips)
• Goes into safety mode at switch on. If FBT is unsoldered then HT is re-established. No apparent S/C in secondary of FBT. (with circuit diagram extract)
• Operation commands are not carried out. (54327920 tips)