54327520 / SCHAUBLORENZ [TV (Standard)]

• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all. (54327520 SCHAUBLORENZ repair tip)
• No PSU start-up.
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Does not switch on. Fluttering noise from the loudspeakers. (with circuit diagram extract) (54327520 tip from SCHAUBLORENZ)
• Blue screen. Flyback lines. Audio OK .
• Hums at switch on. (+ extract of circuit diagram)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (with circuit diagram extract)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Switches off immediately after plugging in mains. (part of circuit diagram displayed)
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (picture attached)
• Only snow in the picture, after changing the tuner the fault is still there.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (+ extract of circuit diagram)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• 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)
• No HV.
• No vertical deflection. Horizontal line. Audio OK . (with circuit diagram extract)
• Reduced vertical size.
• Bright raster. Flyback lines.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (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.
• Poor audio.
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (+ extract of circuit diagram)
• Shuts down. (with circuit diagram extract)
• Random operation commands.
• PSU switches from standby to safety mode at switch on.
• No horizontal synchronisation. at start-up. (+ extract of circuit diagram) (54327520 tips)
• Programmes change by themselves. RC is OK.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• Distorted vertical linearity. Barrel distortion. (with circuit diagram extract)
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (picture attached) (service info for SCHAUBLORENZ -54327520)
• Horizontal jitter. when cold.
• Afterglow on deflection tube after switch off.
• 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.
• Hum bars, especially on yellow or orange background.
• Loud noise. at start-up.
• Unstable picture. (with circuit diagram extract) (54327520 tips)
• Excessive horizontal size. (with circuit diagram extract)
• The picture is too large and wavers.
• Picture is distorted and changes. Loss of colours. (extract of circuit diagram attached)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (extract of circuit diagram attached)
• No tuning. only on certain channels. Dark screen. on the right.
• Flashing picture. (picture attached)
• Picture shifted horizontally. (extract of circuit diagram attached)
• Horizontal jitter. Vertical jitter. (with circuit diagram extract)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (+ extract of circuit diagram)
• PSU can not be loaded with 60W incandescent lamp. (54327520 tip from SCHAUBLORENZ)
• E/W-fault.
• No functions.
• Output transistor (S2000) fails when started from cold.
• 88 shown on LED display.
• Black picture. Sound OK. Picture is OK after restart. (part of circuit diagram displayed)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (part of circuit diagram displayed)
• No tuning.
• When TV started up, transistor (S2000AF) instantly burn out. (with circuit diagram extract)
• Bright vertical stripes. No picture content. Sound OK. (picture attached) (54327520 SCHAUBLORENZ repair tip)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• E/W trapezium does not function.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Noise in picture. Poor horizontal synchronisation.
• Picture shifted to the left, too small and not adjustable. (picture attached)
• Does not switch to standby. (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. (with circuit diagram extract)
• No picture. Hum in audio.
• Vertical, bright stripe faintly visible in the right third of the picture. (SCHAUBLORENZ - 54327520 information)
• Poor vertical linearity at the bottom, also E/W error.
• PSU is defective. 300V is present.
• Top third of screen has ragged vertical lines.
• 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. (service info for SCHAUBLORENZ -54327520)
• 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.
• Blank screen with purple haze at left hand side. (part of circuit diagram displayed)
• Collapses at start up, then switches off.
• Insufficient picture heigth (10cm) and severe linear distortion.
• Left picture side is brighter, even via AV. (extract of circuit diagram attached)
• Vertical line tearing. intermittently.
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (picture attached)
• Excessive brightness. in the centre. (part of circuit diagram displayed)
• Picture shifted to the right.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (+ extract of circuit diagram)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (part of circuit diagram displayed)
• FBT blows after a few mins. (with circuit diagram extract)
• Poor synchronisation. No picture. after a while.
• Hums at switch on, dies out slowly.
• Centre of snowy picture is darker than edges. (part of circuit diagram displayed)
• Very slight flickering with a light picture. (extract of circuit diagram attached)
• Halts at switch on when cold. No start up. OK after a few attempts. (picture 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.
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (+ extract of circuit diagram) (service info for SCHAUBLORENZ -54327520)
• Pincushion distortion. (SCHAUBLORENZ - 54327520 information)
• Pulsating picture. (with circuit diagram extract)
• Picture is out of alignment horizontally. 10cm black bar on the right. (picture attached)
• Slightly wavy picture in the middle of the screen. (part of circuit diagram displayed)
• T501 fails repeatedly.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Line tearing. (picture attached)
• Line transistor S2000AF defective at switch on from cold. (with circuit diagram extract)
• Noise in the speakers and no start up or display on the front panel when switching on. (picture attached)
• E/W fault. (+ extract of circuit diagram)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer. (service info for SCHAUBLORENZ -54327520)
• Line tearing. at top. (+ extract of circuit diagram)
• No colour.
• 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)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Dark picture.
• Builds up high voltage for a short time and then switches off. (picture attached)
• Reduced contrast, especially on one side of the screen.
• Resistor R515 becomes defective. (with circuit diagram extract)
• Does not start from Standby.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Blue, vertical stripe in the right third of the picture.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable. (SCHAUBLORENZ - 54327520 information)
• White screen. Flyback lines.
• Vertical collapse. (extract of circuit diagram attached)
• Eliminate safety mode of PSU.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Switches to protection mode. at start-up. (extract of circuit diagram attached)
• Only standby LED lit. LED switches off at switch on then no function.
• One side of picture is black.
• Intermittent block.
• Does not fully go to TXT or only blue mix TXT. (+ extract of circuit diagram)
• No horizontal synchronisation. (with circuit diagram extract)
• Whenever a function is requested display lights up then switches off.
• Intermittently line tearing in the middle (approx. 20cm wide). (extract of circuit diagram attached)
• Brightness differs between left and right hand side of the screen.
• Remains in standby after changing power IC. (picture attached)
• No start up after changing FBT and constant whistling noise. (+ extract of circuit diagram)
• 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. (54327520 tips)
• Buzzing at start-up.
• Vertical lines. No colour. after a while. (service info for SCHAUBLORENZ -54327520)
• No start-up. (+ extract of circuit diagram)
• Horizontal white line.
• Control unit processor is defective. (part of circuit diagram displayed)
• Erratic functions. (picture 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)
• HV appears briefly and then disappears. (with circuit diagram extract) (SCHAUBLORENZ - 54327520 information)
• Does not go into TXT mode. Mixed mode possible.
• Shadowing effect, left side of picture is brighter than the right one. (extract of circuit diagram attached)
• Poor PSU start up. Severe crackle in the loudspeaker.
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (+ extract of circuit diagram)
• Switches off when selecting a function via RC.
• No vertical deflection. intermittently.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (part of circuit diagram displayed)
• Dark picture. intermittently.
• 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)
• 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. (service info for SCHAUBLORENZ -54327520)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• The teletext contrast is considerably too high after installing the teletext decoder.
• Reduced raster size. (extract of circuit diagram attached)
• No start-up from standby.
• Does not go into text mode, mix mode is not possible.
• Shuts down. after start-up. (part of circuit diagram displayed)
• Cycles on/off.
• Coloured lines (RGB test lines) in top of picture.
• From a cold start line output stage transistor fails.
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (picture attached)
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• Horizontal synchronisation fault, picture shifted towards left side. (picture attached)
• Tripping.
• Stuck in standby.
• 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.
• Switches to standby (intermittently).
• Standby display lights up briefly, then no function.
• Very pale picture which is shifted to the left. Voltage is correct. (extract of circuit diagram attached)
• No colour (intermittently).
• AV correction.
• Horizontal shaking. when cold.
• Dark picture. Stripes after a while. OK after warm-up. (picture attached)
• Long picture at start up, black screen with rainbow spots.
• Programming menu can not be accessed. (+ extract of circuit diagram)
• Black bar on the right side of the screen. Similar to displacement. (picture attached) (54327520 SCHAUBLORENZ repair tip)
• Picture goes off after 1 minute; very low contrast, ok through scart. (extract of circuit diagram attached)
• Noise in audio. (part of circuit diagram displayed)
• Blank raster.
• Picture distorted, shifted upwards and a little bit too wide.
• LED lights up briefly then nothing more. (SCHAUBLORENZ - 54327520 information)
• No HT output from power supply. OK in standby. (picture attached)
• No control and cannot be switched off when started up from standby.
• No picture. on lower half screen. (part of circuit diagram displayed)
• PSU fails intermittently. (picture attached)
• Picture collapse on half of the picture.
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Only blue light at right in picture.
• High voltage build up for short time then PSU switches off. (picture attached)
• Distorted picture. on the right. (part of circuit diagram displayed)
• NICAM is missing.
• White point when switching off with ON/OFF switch. No point in standby. (54327520 SCHAUBLORENZ repair tip)
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• No E/W correction. (extract of circuit diagram attached)
• 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.
• Comes on for a short time. (+ extract of circuit diagram)
• No start up after changing IC601. Nothing lights up on the front.
• Few segments of the display too bright. Doesn't respond to commands.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (part of circuit diagram displayed)
• No audio (when cold).
• Double picture.
• Picture rolls. when cold. (picture attached)
• Poor adjustment of horizontal picture centering. (extract of circuit diagram attached)
• After approx 20 mins colour TV switches off.
• Line BU is abnormally hot.
• No raster sync in HF. Ok in scart. (part of circuit diagram displayed)
• Does not switch ON. No power light showing.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• HV builds up briefly and then shuts down
• Cuts out after switch on, soft hum from the speakers in standby mode.
• No TXT.
• HV arcing. (extract of circuit diagram attached)
• Picture shifted to the left. (+ extract of circuit diagram)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Enter service mode. (54327520 tip from SCHAUBLORENZ)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Wavy picture. at top. (extract of circuit diagram attached)
• EHT is heard starting up then everything stops 4 secs later.
• No start-up (when cold).
• Approx 20cm wide dark area in centre of picture and line tearing.
• PSU doesn't start-up or only after a while. Cracking sound.
• Operation commands are not carried out.
• Illegible display. (with circuit diagram extract)
• Picture amplitude is too weak.
• Picture too big. (picture attached)
• Stuck in standby; RC ineffective. Stanby LED flickers. (+ extract of circuit diagram)
• Low brightness. Picture too big.
• No TXT (intermittently).
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (picture attached)
• Vertical curtain-like stripes which may be distributed over the entire screen. (picture attached)
• Unclear picture with Hum content.
• Excessive brightness. Flyback lines. (extract of circuit diagram attached)
• Dead.
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (extract of circuit diagram attached)
• Resistor R775 is defective.
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Blocked control processor.
• Dark screen. on the right. (part of circuit diagram displayed)
• Horizontal line.
• Brightness varies. E/W fault. intermittently.
• 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)
• No picture. No audio. (picture attached) (54327520 tip from SCHAUBLORENZ)
• Unstable horizontal picture.
• Display flashing and rattles at switch on. (with circuit diagram extract)
• Rattling noise or bubbling at start-up (when cold). (part of circuit diagram displayed) (54327520 tips)
• Can be switched to standby only if power plug is pulled out.
• At switch on, lights light up for an instant, voltage which ought to reach 145V increases to 60V but then goes back to 0V. (extract of circuit diagram attached)
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Power supply seems to remain in safety mode. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54327520)
• Excessive HV. (part of circuit diagram displayed) (54327520 tips)
• Line synchronisation available only after 2 mins.
• Stops after 5 seconds. No standby LED. (+ extract of circuit diagram)
• No tuning. Higher channels in band I/III/V are not received.
• Horizontal stripe. in the centre.
• High voltage transistor (S2000) defective. (extract of circuit diagram attached) (54327520 SCHAUBLORENZ repair tip)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• DF-AF adjustment.
• Poor shading of picture, dark on one side and light on the other. (extract of circuit diagram attached)
• Vertical or horizontal picture shaking both when hot and cold. (+ extract of circuit diagram) (SCHAUBLORENZ - 54327520 information)
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• No horizontal or vertical deflection.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (part of circuit diagram displayed)
• Lines in picture.
• 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)
• Intermittent no image or yellow colouring. Knock sensitive. (extract of circuit diagram attached)
• Line frequency changes downward (squeaking, whistling).
• Attempts to start with no result. (part of circuit diagram displayed)
• Picture shifted to the left. Alignment works normally. (part of circuit diagram displayed)
• Unusual TXT.
• At switch on appliance pulsated then reverts to standby again.
• Power supply defective after a few days. (part of circuit diagram displayed)
• Convex picture. Defective lower linearity. (with circuit diagram extract)
• High voltage runs high. Flashover all over.
• Starts with noise (approx. 2-3 seconds), then it operates normally. (picture attached)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Black screen. Display flashes once at switch on.
• PSU starts briefly, then no more HV. (extract of circuit diagram attached)
• Bright picture. on the right. Dark picture. on the left. (picture attached)
• Sound channel 1 and 2 voltage level adjustment.
• Line transformer starts up but no display, nothing on the screen and no sound. (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. (picture attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Poor PSU start-up or BU defective. (+ extract of circuit diagram)
• Picture tearing.
• Picture appears slowly. (part of circuit diagram displayed)
• Slow start-up. when cold. (extract of circuit diagram attached)
• Transistor T701 fails when appliance is switched off and on. (service info for SCHAUBLORENZ -54327520)
• No synchronisation during the first few mins. (picture attached)
• No functions. Red LED does not flash.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Picture shaking in a random direction. (extract of circuit diagram attached)
• NICAM check. (54327520 tips)
• Vertical IC fails. (extract of circuit diagram attached)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (part of circuit diagram displayed) (SCHAUBLORENZ - 54327520 information)
• No picture (intermittently). (service info for SCHAUBLORENZ -54327520)
• Intermittently dead. (with circuit diagram extract)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (picture attached)
• Vertical jitter. when cold.
• Switches off completely after switch on. No standby function. (picture 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 attached)
• Vertical and horizontal synchronisation available only after 2 mins.
• Picture and sound missing. Via scart socket with video recorder OK (with circuit diagram extract)
• Poor line and picture synchronisation when cold.
• No functions. after a while.
• PSU doesn't start up when cold. (extract of circuit diagram attached)
• No picture content. Picture is greyish. (extract of circuit diagram attached)
• Dark screen, only diffuse glow.
• At Power On standby LED switches off immediately after switching on.
• 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.
• No synchronisation (after start-up). (part of circuit diagram displayed)
• Picture with vertical and horizontal lines (when cold).
• Power supply hiccups.
• Defective linearity.
• Too wide picture and East/West pincushion curving outward. (picture attached)
• Control unit does not function. Does not switch on. (with circuit diagram extract) (54327520 tips)
• Picture is too wide. E/W distorted.
• Instructions on how to put appliance into Service-Mode.
• No picture. Audio OK . (+ extract of circuit diagram)
• Dead. after start-up.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Horizontal collapse. after a while. (picture attached)
• 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)
• Excessive vertical size. Vertical foldover at bottom.
• Dark picture. on the right. (picture attached)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• 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. (picture attached)
• 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.