54327970 / SCHAUBLORENZ [TV (Standard)]

• 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)
• Comes on for a short time. (part of circuit diagram displayed)
• Intermittently line tearing in the middle (approx. 20cm wide). (with circuit diagram extract)
• Output transistor (S2000) fails when started from cold.
• Vertical lines. No colour. after a while.
• Vertical or horizontal picture shaking both when hot and cold. (extract of circuit diagram attached)
• White point when switching off with ON/OFF switch. No point in standby.
• Line transistor S2000AF defective at switch on from cold. (picture attached)
• Noise in audio. (+ extract of circuit diagram)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Picture is distorted and changes. Loss of colours. (with circuit diagram extract) (SCHAUBLORENZ - 54327970 information)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (with circuit diagram extract)
• Wavy picture. at top. (picture attached)
• Erratic functions. (extract of circuit diagram attached)
• Black screen. Display flashes once at switch on. (54327970 tips)
• Very slight flickering with a light picture. (extract of circuit diagram attached)
• Insufficient picture heigth (10cm) and severe linear distortion.
• No colour (intermittently).
• Display flashing and rattles at switch on. (with circuit diagram extract)
• At Power On standby LED switches off immediately after switching on.
• Centre of snowy picture is darker than edges. (+ extract of circuit diagram)
• Stuck in standby; RC ineffective. Stanby LED flickers. (with circuit diagram extract) (54327970 tips)
• Coloured lines (RGB test lines) in top of picture.
• Blue screen. Flyback lines. Audio OK .
• 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. (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. (54327970 tips)
• Does not go into TXT mode. Mixed mode possible.
• Picture appears slowly. (+ extract of circuit diagram)
• 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.
• Tripping.
• AV correction.
• Attempts to start with no result. (part of circuit diagram displayed)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• 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)
• Dark screen. on the right. (with circuit diagram extract)
• Halts at switch on when cold. No start up. OK after a few attempts. (extract of circuit diagram attached)
• Left picture side is brighter, even via AV. (with circuit diagram extract)
• HV appears briefly and then disappears. (part of circuit diagram displayed)
• Intermittent no image or yellow colouring. Knock sensitive. (with circuit diagram extract)
• Reduced contrast, especially on one side of the screen. (service info for SCHAUBLORENZ -54327970)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Poor PSU start-up or BU defective. (+ extract of circuit diagram) (SCHAUBLORENZ - 54327970 information)
• Stops after 5 seconds. No standby LED. (part of circuit diagram displayed)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (with circuit diagram extract)
• No raster sync in HF. Ok in scart. (picture attached)
• Blank screen with purple haze at left hand side. (picture 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. (part of circuit diagram displayed)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (picture attached)
• The teletext contrast is considerably too high after installing the teletext decoder.
• No tuning.
• White screen. Flyback lines.
• Lines in picture.
• The picture is too large and wavers.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• PSU doesn't start up when cold. (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. (picture attached)
• Excessive vertical size. Vertical foldover at bottom.
• High voltage runs high. Flashover all over.
• After approx 20 mins colour TV switches off.
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• No start-up. (+ extract of circuit diagram)
• Black bar on the right side of the screen. Similar to displacement. (extract of circuit diagram attached)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• When TV started up, transistor (S2000AF) instantly burn out. (part of circuit diagram displayed)
• Line tearing. at top. (with circuit diagram extract)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (+ extract of circuit diagram)
• Power supply defective after a few days. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54327970)
• No colour.
• 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)
• Remains in standby after changing power IC. (+ extract of circuit diagram)
• Loud noise. at start-up.
• Pulsating picture. (part of circuit diagram displayed)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Horizontal white line.
• E/W fault. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54327970)
• PSU is defective. 300V is present.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (extract of circuit diagram attached) (SCHAUBLORENZ - 54327970 information)
• Bright raster. Flyback lines.
• Picture amplitude is too weak.
• Afterglow on deflection tube after switch off.
• No TXT.
• Builds up high voltage for a short time and then switches off. (extract of circuit diagram attached)
• Poor audio.
• No control and cannot be switched off when started up from standby.
• Black vertical bars on picture, mostly visible in AV with no video source. (extract of circuit diagram attached)
• Long picture at start up, black screen with rainbow spots.
• Slow start-up. when cold. (+ extract of circuit diagram)
• Unclear picture with Hum content.
• Distorted picture. on the right. (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. (54327970 tips)
• No functions. after a while.
• Hum bars, especially on yellow or orange background.
• Horizontal jitter. Vertical jitter. (with circuit diagram extract)
• No start-up (when cold).
• PSU doesn't start-up or only after a while. Cracking sound.
• Starts with noise (approx. 2-3 seconds), then it operates normally. (with circuit diagram extract) (54327970 SCHAUBLORENZ repair tip)
• Line BU is abnormally hot.
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (extract of circuit diagram attached)
• Rattling noise or bubbling at start-up (when cold). (+ extract of circuit diagram)
• Vertical curtain-like stripes which may be distributed over the entire screen. (+ extract of circuit diagram)
• 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 -54327970)
• Dead. after start-up.
• No functions.
• No start up after changing IC601. Nothing lights up on the front.
• Poor synchronisation. No picture. after a while. (54327970 SCHAUBLORENZ repair tip)
• 88 shown on LED display.
• Illegible display. (part of circuit diagram displayed) (54327970 SCHAUBLORENZ repair tip)
• Brightness differs between left and right hand side of the screen.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (extract of circuit diagram attached)
• Poor adjustment of horizontal picture centering. (extract of circuit diagram attached)
• Does not switch on. Fluttering noise from the loudspeakers. (with circuit diagram extract) (54327970 SCHAUBLORENZ repair tip)
• Vertical IC fails. (+ extract of circuit diagram)
• DF-AF adjustment.
• Excessive brightness. in the centre. (+ extract of circuit diagram)
• Loses sync at start-up for a few minutes.
• PSU starts briefly, then no more HV. (+ extract of circuit diagram)
• T501 fails repeatedly.
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (part of circuit diagram displayed)
• Picture shifted to the left, too small and not adjustable. (part of circuit diagram displayed)
• Few segments of the display too bright. Doesn't respond to commands. (54327970 tip from SCHAUBLORENZ)
• 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.
• Bright picture. on the right. Dark picture. on the left. (+ extract of circuit diagram)
• Line frequency changes downward (squeaking, whistling).
• Poor PSU start up. Severe crackle in the loudspeaker.
• No PSU start-up.
• Resistor R775 is defective.
• Picture shifted to the right. (service info for SCHAUBLORENZ -54327970)
• Dead.
• Line transformer starts up but no display, nothing on the screen and no sound. (part of circuit diagram displayed)
• No tuning. only on certain channels. Dark screen. on the right.
• Noise in the speakers and no start up or display on the front panel when switching on. (part of circuit diagram displayed)
• No audio (when cold).
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• 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)
• Double picture.
• Stuck in standby.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• No functions. Red LED does not flash. (SCHAUBLORENZ - 54327970 information)
• Buzzing at start-up.
• Random operation commands.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Dark picture. on the right. (+ extract of circuit diagram)
• Blue, vertical stripe in the right third of the picture.
• Bright vertical stripes. No picture content. Sound OK. (extract of circuit diagram attached)
• 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)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (extract of circuit diagram attached)
• Excessive horizontal size. (extract of circuit diagram attached)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (picture attached)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (extract of circuit diagram attached)
• Distorted vertical linearity. Barrel distortion. (part of circuit diagram displayed)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• E/W trapezium does not function.
• Shuts down. (part of circuit diagram displayed)
• No picture. Hum in audio.
• Picture shaking in a random direction. (picture attached)
• Flashing picture. (extract of circuit diagram attached)
• No start up after changing FBT and constant whistling noise. (+ extract of circuit diagram) (54327970 tip from SCHAUBLORENZ)
• PSU can not be loaded with 60W incandescent lamp.
• Poor vertical linearity at the bottom, also E/W error.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (picture attached)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (extract of circuit diagram attached)
• Standby display lights up briefly, then no function.
• Picture and sound missing. Via scart socket with video recorder OK (with circuit diagram extract)
• PSU fails intermittently. (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. (with circuit diagram extract)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer. (SCHAUBLORENZ - 54327970 information)
• Picture too big. (picture attached)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• No picture. on lower half screen. (part of circuit diagram displayed)
• Impossible to adjust the horizontal synchronization. Picture has shifted 10cm to the left. TDA 8372A on pin 20 has already been replaced, sandcastle incorrect. Power supply is good. (extract of circuit diagram attached)
• Picture shifted to the left. Alignment works normally. (picture attached) (54327970 tip from SCHAUBLORENZ)
• Transistor T701 fails when appliance is switched off and on.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• 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.
• Cycles on/off. (54327970 SCHAUBLORENZ repair tip)
• Programming menu can not be accessed. (part of circuit diagram displayed)
• No E/W correction. (with circuit diagram extract)
• Approx 20cm wide dark area in centre of picture and line tearing.
• Convex picture. Defective lower linearity. (+ extract of circuit diagram)
• Power supply hiccups.
• Switches to protection mode. at start-up. (part of circuit diagram displayed)
• Reduced vertical size.
• Can be switched to standby only if power plug is pulled out.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (+ extract of circuit diagram)
• No vertical deflection. intermittently.
• No picture. Audio OK . (with circuit diagram extract)
• Top third of screen has ragged vertical lines.
• Dark screen, only diffuse glow. (54327970 tips)
• Sound channel 1 and 2 voltage level adjustment.
• Collapses at start up, then switches off.
• No picture (intermittently).
• Instructions on how to put appliance into Service-Mode. (service info for SCHAUBLORENZ -54327970)
• NICAM is missing. (54327970 tips)
• Excessive HV. (+ extract of circuit diagram)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Control unit processor is defective. (extract of circuit diagram attached)
• HV arcing. (+ extract of circuit diagram) (54327970 tips)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (extract of circuit diagram attached)
• No HV.
• Vertical line tearing. intermittently.
• Dark picture. intermittently.
• Shuts down. after start-up. (extract of circuit diagram attached)
• Blank raster.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• No TXT (intermittently).
• Does not switch ON. No power light showing.
• Switches to standby (intermittently).
• Picture goes off after 1 minute; very low contrast, ok through scart. (part of circuit diagram displayed)
• Very pale picture which is shifted to the left. Voltage is correct. (+ extract of circuit diagram)
• Enter service mode.
• Switches off when selecting a function via RC.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Reduced raster size. (picture attached)
• EHT is heard starting up then everything stops 4 secs later.
• Too wide picture and East/West pincushion curving outward. (part of circuit diagram displayed)
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• No synchronisation (after start-up). (+ extract of circuit diagram)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (with circuit diagram extract)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• No horizontal or vertical deflection.
• No picture. No audio. (picture attached)
• Brightness varies. E/W fault. intermittently.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Programmes change by themselves. RC is OK.
• Shadowing effect, left side of picture is brighter than the right one. (with circuit diagram extract)
• Picture shifted to the left. (part of circuit diagram displayed) (54327970 SCHAUBLORENZ repair tip)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Black picture. Sound OK. Picture is OK after restart. (part of circuit diagram displayed)
• White screen, horizontal lines without video signal. OK on scart output T971 OK IC950 OK. No beam limiter on 15 of IC950. Flash on the screen when changing channels. (SCHAUBLORENZ - 54327970 information)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2). (SCHAUBLORENZ - 54327970 information)
• 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.
• High voltage transistor (S2000) defective. (extract of circuit diagram attached)
• Line synchronisation available only after 2 mins.
• Horizontal stripe. in the centre.
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (with circuit diagram extract)
• Horizontal collapse. after a while. (+ extract of circuit diagram) (service info for SCHAUBLORENZ -54327970)
• Picture is too wide. E/W distorted.
• Eliminate safety mode of PSU.
• Poor line and picture synchronisation when cold.
• No HT output from power supply. OK in standby. (picture attached) (54327970 tip from SCHAUBLORENZ)
• Line tearing. (with circuit diagram extract)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture). (54327970 tips)
• High voltage build up for short time then PSU switches off. (+ extract of circuit diagram)
• LED lights up briefly then nothing more.
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Unstable horizontal picture.
• Low brightness. Picture too big.
• 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.
• Blocked control processor.
• 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.
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Poor shading of picture, dark on one side and light on the other. (picture attached)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable. (54327970 tips)
• 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)
• Defective linearity.
• No tuning. Higher channels in band I/III/V are not received.
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (picture attached) (54327970 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. (picture attached)
• Vertical and horizontal synchronisation available only after 2 mins.
• Only blue light at right in picture.
• Only standby LED lit. LED switches off at switch on then no function.
• Horizontal line. (54327970 tips)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Whenever a function is requested display lights up then switches off.
• No synchronisation during the first few mins. (picture attached)
• Does not go into text mode, mix mode is not possible.
• Horizontal jitter. when cold.
• Picture is out of alignment horizontally. 10cm black bar on the right. (extract of circuit diagram attached)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Does not switch to standby. (with circuit diagram extract)
• One side of picture is black.
• Hums at switch on, dies out slowly. (54327970 SCHAUBLORENZ repair tip)
• Picture with vertical and horizontal lines (when cold). (service info for SCHAUBLORENZ -54327970)
• HV builds up briefly and then shuts down
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (+ extract of circuit diagram)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (extract of circuit diagram attached)
• No horizontal synchronisation. (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.
• No picture content. Picture is greyish. (part of circuit diagram displayed)
• Excessive brightness. Flyback lines. (picture attached)
• Slightly wavy picture in the middle of the screen. (extract of circuit diagram attached)
• Picture shifted horizontally. (extract of circuit diagram attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Vertical collapse. (picture attached)
• No start-up from standby.
• Picture rolls. when cold. (with circuit diagram extract)
• From a cold start line output stage transistor fails.
• Picture distorted, shifted upwards and a little bit too wide.
• Intermittent block.
• Operation commands are not carried out.
• At switch on appliance pulsated then reverts to standby again.
• Unstable picture. (with circuit diagram extract)
• Pincushion distortion.
• E/W-fault.
• Dark picture. Stripes after a while. OK after warm-up. (with circuit diagram extract)
• Control unit does not function. Does not switch on. (+ extract of circuit diagram)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Switches off immediately after plugging in mains. (part of circuit diagram displayed)
• Only snow in the picture, after changing the tuner the fault is still there. (54327970 tip from SCHAUBLORENZ)
• Intermittently dead. (picture attached)
• NICAM check.
• Switches off completely after switch on. No standby function. (extract of circuit diagram attached)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (with circuit diagram extract)
• Does not start from Standby.
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Vertical, bright stripe faintly visible in the right third of the picture.
• Vertical jitter. when cold. (54327970 tip from SCHAUBLORENZ)
• Does not fully go to TXT or only blue mix TXT. (part of circuit diagram displayed) (54327970 tip from SCHAUBLORENZ)
• Picture collapse on half of the picture. (54327970 tips)
• Horizontal shaking. when cold.
• No horizontal synchronisation. at start-up. (part of circuit diagram displayed)
• Picture tearing.
• Power supply seems to remain in safety mode. (with circuit diagram extract)
• Dark picture.
• No vertical deflection. Horizontal line. Audio OK . (picture attached)
• PSU switches from standby to safety mode at switch on.
• Resistor R515 becomes defective. (+ extract of circuit diagram)
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Hums at switch on. (extract of circuit diagram attached)
• Noise in picture. Poor horizontal synchronisation.
• Unusual TXT.
• Horizontal synchronisation fault, picture shifted towards left side. (part of circuit diagram displayed)
• FBT blows after a few mins. (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. (with circuit diagram extract)