54326820 / SCHAUBLORENZ [TV (Standard)]

• Goes into safety mode at switch on. If FBT is unsoldered then HT is re-established. No apparent S/C in secondary of FBT. (extract of circuit diagram attached)
• No colour.
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (with circuit diagram extract)
• No picture (intermittently).
• High voltage transistor (S2000) defective. (with circuit diagram extract)
• Picture shaking in a random direction. (picture attached)
• No vertical deflection. intermittently.
• Vertical line tearing. intermittently.
• Picture amplitude is too weak. (SCHAUBLORENZ - 54326820 information)
• No horizontal synchronisation. (picture attached)
• No picture. Hum in audio.
• Vertical, bright stripe faintly visible in the right third of the picture.
• HV appears briefly and then disappears. (extract of circuit diagram attached)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• No horizontal synchronisation. at start-up. (picture attached)
• Picture too big. (with circuit diagram extract)
• The picture is too large and wavers.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Resistor R515 becomes defective. (with circuit diagram extract) (54326820 SCHAUBLORENZ repair tip)
• HV arcing. (picture attached)
• Distorted picture. on the right. (+ extract of circuit diagram)
• Noise in the speakers and no start up or display on the front panel when switching on. (picture attached)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Long picture at start up, black screen with rainbow spots.
• Poor line and picture synchronisation when cold. (service info for SCHAUBLORENZ -54326820)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• E/W trapezium does not function.
• Picture is distorted and changes. Loss of colours. (+ extract of circuit diagram) (SCHAUBLORENZ - 54326820 information)
• Picture goes off after 1 minute; very low contrast, ok through scart. (+ extract of circuit diagram)
• Horizontal line.
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (with circuit diagram extract)
• Line tearing. (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. (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.
• Intermittently line transistor defective at start up. Fault also occurs intermittently in channel search or when switching to another channel. Once appliance runs, it runs well.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (extract of circuit diagram attached)
• No E/W correction. (part of circuit diagram displayed)
• Few segments of the display too bright. Doesn't respond to commands.
• No start-up (when cold). (54326820 SCHAUBLORENZ repair tip)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (with circuit diagram extract)
• Picture shifted to the left. Alignment works normally. (with circuit diagram extract)
• Poor audio. (54326820 tips)
• When TV started up, transistor (S2000AF) instantly burn out. (part of circuit diagram displayed)
• Black picture. Sound OK. Picture is OK after restart. (with circuit diagram extract)
• Vertical collapse. (with circuit diagram extract)
• Vertical lines. No colour. after a while.
• The teletext contrast is considerably too high after installing the teletext decoder.
• At the top edge of the picture an unusual stain effect appears and line tearing.
• At switch on appliance pulsated then reverts to standby again.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Rattling noise or bubbling at start-up (when cold). (part of circuit diagram displayed)
• No functions.
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Convex picture. Defective lower linearity. (+ extract of circuit diagram)
• Hums at switch on, dies out slowly.
• Brightness differs between left and right hand side of the screen.
• Loud noise. at start-up.
• Picture collapse on half of the picture.
• 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.
• 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)
• Black vertical bars on picture, mostly visible in AV with no video source. (part of circuit diagram displayed)
• Halts at switch on when cold. No start up. OK after a few attempts. (part of circuit diagram displayed)
• No picture. Audio OK . (+ extract of circuit diagram)
• No picture. No audio. (+ extract of circuit diagram) (SCHAUBLORENZ - 54326820 information)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (with circuit diagram extract)
• Blank raster. (service info for SCHAUBLORENZ -54326820)
• No picture content. Picture is greyish. (picture attached)
• Centre of snowy picture is darker than edges. (extract of circuit diagram attached) (54326820 tip from SCHAUBLORENZ)
• No HT output from power supply. OK in standby. (extract of circuit diagram attached)
• Does not switch ON. No power light showing.
• Random operation commands.
• Line frequency changes downward (squeaking, whistling).
• Intermittent no image or yellow colouring. Knock sensitive. (picture attached)
• Horizontal white line.
• Distorted vertical linearity. Barrel distortion. (with circuit diagram extract)
• Cycles on/off.
• Reduced vertical size.
• Horizontal synchronisation fault, picture shifted towards left side. (part of circuit diagram displayed) (54326820 SCHAUBLORENZ repair tip)
• Switches off when selecting a function via RC.
• Slow start-up. when cold. (+ extract of circuit diagram)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge. (SCHAUBLORENZ - 54326820 information)
• Vertical and horizontal synchronisation available only after 2 mins.
• 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.
• PSU starts briefly, then no more HV. (with circuit diagram extract) (54326820 tips)
• Does not go into TXT mode. Mixed mode possible.
• Very pale picture which is shifted to the left. Voltage is correct. (extract of circuit diagram attached)
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (picture attached)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Switches to standby (intermittently).
• Very slight flickering with a light picture. (part of circuit diagram displayed)
• AV correction.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• No raster sync in HF. Ok in scart. (+ extract of circuit diagram)
• Horizontal jitter. Vertical jitter. (+ extract of circuit diagram)
• E/W fault. (part of circuit diagram displayed)
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• PSU is defective. 300V is present. (54326820 tips)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (+ extract of circuit diagram)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (part of circuit diagram displayed)
• Intermittently dead. (picture attached)
• PSU can not be loaded with 60W incandescent lamp.
• Power supply seems to remain in safety mode. (with circuit diagram extract)
• Lines in picture.
• Poor PSU start up. Severe crackle in the loudspeaker.
• Blocked control processor.
• 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.
• At Power On standby LED switches off immediately after switching on.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal. (54326820 tips)
• Pulsating picture. (picture attached)
• Picture shifted to the left, too small and not adjustable. (+ extract of circuit diagram)
• Reduced raster size. (picture attached)
• DF-AF adjustment.
• No picture. on lower half screen. (part of circuit diagram displayed)
• Slightly wavy picture in the middle of the screen. (picture attached)
• Programmes change by themselves. RC is OK.
• 88 shown on LED display.
• HV builds up briefly and then shuts down
• Stuck in standby.
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Horizontal stripe. in the centre.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• No vertical deflection. Horizontal line. Audio OK . (part of circuit diagram displayed)
• NICAM check.
• 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. (with circuit diagram extract)
• Line transistor S2000AF defective at switch on from cold. (with circuit diagram extract)
• Approx 20cm wide dark area in centre of picture and line tearing.
• Black bar on the right side of the screen. Similar to displacement. (extract of circuit diagram attached)
• Poor synchronisation. No picture. after a while.
• Poor vertical linearity at the bottom, also E/W error.
• No start-up. (extract of circuit diagram attached)
• Picture distorted, shifted upwards and a little bit too wide.
• Poor PSU start-up or BU defective. (+ extract of circuit diagram)
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Does not go into text mode, mix mode is not possible.
• Dead. after start-up.
• Starts with noise (approx. 2-3 seconds), then it operates normally. (extract of circuit diagram attached)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (extract of circuit diagram attached)
• Can be switched to standby only if power plug is pulled out.
• Reduced contrast, especially on one side of the screen.
• No audio (when cold).
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Resistor R775 is defective.
• Excessive brightness. in the centre. (+ extract of circuit diagram)
• Only snow in the picture, after changing the tuner the fault is still there. (service info for SCHAUBLORENZ -54326820)
• Vertical or horizontal picture shaking both when hot and cold. (part of circuit diagram displayed)
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• Builds up high voltage for a short time and then switches off. (extract of circuit diagram attached)
• Shuts down. (picture attached)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (extract of circuit diagram attached)
• Dark screen. on the right. (+ extract of circuit diagram)
• 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.
• Wavy picture. at top. (+ extract of circuit diagram)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (+ extract of circuit diagram)
• Double picture. (service info for SCHAUBLORENZ -54326820)
• 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.
• Loses sync at start-up for a few minutes. (SCHAUBLORENZ - 54326820 information)
• Defective linearity.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Stops after 5 seconds. No standby LED. (+ extract of circuit diagram)
• Hums at switch on. (part of circuit diagram displayed)
• Illegible display. (with circuit diagram extract)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Eliminate safety mode of PSU.
• Dark screen, only diffuse glow.
• Intermittently line tearing in the middle (approx. 20cm wide). (+ extract of circuit diagram)
• Picture shifted horizontally. (extract of circuit diagram attached)
• Blank screen with purple haze at left hand side. (part of circuit diagram displayed)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Bright raster. Flyback lines.
• 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.
• Only blue light at right in picture.
• EHT is heard starting up then everything stops 4 secs later.
• Standby display lights up briefly, then no function.
• No TXT.
• Shadowing effect, left side of picture is brighter than the right one. (part of circuit diagram displayed)
• LED lights up briefly then nothing more.
• High voltage runs high. Flashover all over. (SCHAUBLORENZ - 54326820 information)
• Horizontal collapse. after a while. (extract of circuit diagram attached)
• Control unit does not function. Does not switch on. (part of circuit diagram displayed)
• Control unit processor is defective. (with circuit diagram extract)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (picture attached)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (picture attached)
• No synchronisation during the first few mins. (extract of circuit diagram attached)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (+ extract of circuit diagram)
• Does not fully go to TXT or only blue mix TXT. (part of circuit diagram displayed)
• Excessive vertical size. Vertical foldover at bottom.
• Picture shifted to the right.
• Left picture side is brighter, even via AV. (+ extract of circuit diagram)
• Picture shifted to the left. (with circuit diagram extract)
• No tuning. Higher channels in band I/III/V are not received.
• Dark picture. on the right. (with circuit diagram extract)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (+ extract of circuit diagram)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (+ extract of circuit diagram)
• Whenever a function is requested display lights up then switches off.
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (+ extract of circuit diagram)
• Shuts down. after start-up. (part of circuit diagram displayed)
• No HV.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (+ extract of circuit diagram)
• Line tearing. at top. (+ extract of circuit diagram)
• Comes on for a short time. (extract of circuit diagram attached)
• No horizontal or vertical deflection.
• White point when switching off with ON/OFF switch. No point in standby.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• PSU switches from standby to safety mode at switch on.
• Poor adjustment of horizontal picture centering. (+ extract of circuit diagram)
• One side of picture is black.
• No colour (intermittently).
• Line transformer starts up but no display, nothing on the screen and no sound. (extract of circuit diagram attached)
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Wavy vertical lines in the entire picture when cold. Picture jitters. (part of circuit diagram displayed)
• Unclear picture with Hum content.
• PSU cannot be started from Stand By. 145V voltage in an unloaded condition is at approx 105V, the connected lamp does not light up, the voltage then collapses to approx 20V. (picture attached)
• White screen. Flyback lines.
• Does not start from Standby.
• 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)
• Picture is too wide. E/W distorted.
• Bright picture. on the right. Dark picture. on the left. (with circuit diagram extract)
• Stuck in standby; RC ineffective. Stanby LED flickers. (part of circuit diagram displayed)
• Low brightness. Picture too big.
• Power supply defective after a few days. (extract of circuit diagram attached)
• No tuning.
• Picture appears slowly. (picture attached)
• Buzzing at start-up.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• 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)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (picture attached) (54326820 tips)
• Horizontal jitter. when cold.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (extract of circuit diagram attached)
• Afterglow on deflection tube after switch off.
• Unusual TXT.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Tripping.
• No TXT (intermittently).
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (+ extract of circuit diagram)
• Blue, vertical stripe in the right third of the picture.
• Top third of screen has ragged vertical lines. (54326820 tip from SCHAUBLORENZ)
• 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, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• At switch on, lights light up for an instant, voltage which ought to reach 145V increases to 60V but then goes back to 0V. (part of circuit diagram displayed)
• No control and cannot be switched off when started up from standby.
• Collapses at start up, then switches off.
• Excessive brightness. Flyback lines. (picture attached)
• No start up after changing FBT and constant whistling noise. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54326820)
• Excessive horizontal size. (part of circuit diagram displayed)
• No start up after changing IC601. Nothing lights up on the front.
• T501 fails repeatedly.
• Vertical curtain-like stripes which may be distributed over the entire screen. (part of circuit diagram displayed) (54326820 tips)
• No functions. Red LED does not flash.
• No functions. after a while.
• Attempts to start with no result. (part of circuit diagram displayed)
• PSU doesn't start-up or only after a while. Cracking sound.
• Enter service mode.
• 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)
• No PSU start-up.
• Noise in picture. Poor horizontal synchronisation.
• No start-up from standby.
• Operation commands are not carried out.
• 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.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (picture attached)
• Brightness varies. E/W fault. intermittently.
• E/W-fault.
• After approx 20 mins colour TV switches off.
• Bright vertical stripes. No picture content. Sound OK. (picture attached)
• Programming menu can not be accessed. (+ extract of circuit diagram)
• 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. (service info for SCHAUBLORENZ -54326820)
• Transistor T701 fails when appliance is switched off and on.
• Only standby LED lit. LED switches off at switch on then no function. (54326820 tip from SCHAUBLORENZ)
• High voltage build up for short time then PSU switches off. (extract of circuit diagram attached)
• 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. (SCHAUBLORENZ - 54326820 information)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (part of circuit diagram displayed)
• Display flashing and rattles at switch on. (extract of circuit diagram attached)
• From a cold start line output stage transistor fails.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Excessive HV. (picture attached)
• PSU fails intermittently. (part of circuit diagram displayed)
• Dark picture. Stripes after a while. OK after warm-up. (with circuit diagram extract)
• NICAM is missing.
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Vertical jitter. when cold.
• Intermittent block.
• Instructions on how to put appliance into Service-Mode.
• Switches off completely after switch on. No standby function. (with circuit diagram extract)
• Vertical IC fails. (with circuit diagram extract)
• Poor shading of picture, dark on one side and light on the other. (+ extract of circuit diagram) (54326820 tips)
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract) (54326820 tip from SCHAUBLORENZ)
• Erratic functions. (part of circuit diagram displayed)
• Power supply hiccups.
• No synchronisation (after start-up). (extract of circuit diagram attached)
• Coloured lines (RGB test lines) in top of picture.
• Dark picture.
• Picture with vertical and horizontal lines (when cold).
• FBT blows after a few mins. (part of circuit diagram displayed)
• Blue screen. Flyback lines. Audio OK . (54326820 SCHAUBLORENZ repair tip)
• Noise in audio. (with circuit diagram extract)
• Unstable picture. (with circuit diagram extract)
• Output transistor (S2000) fails when started from cold.
• Hum bars, especially on yellow or orange background.
• Insufficient picture heigth (10cm) and severe linear distortion. (54326820 tip from SCHAUBLORENZ)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Sound channel 1 and 2 voltage level adjustment.
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Pincushion distortion.
• Switches off immediately after plugging in mains. (part of circuit diagram displayed)
• Picture tearing.
• Unstable horizontal picture.
• 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)
• Too wide picture and East/West pincushion curving outward. (extract of circuit diagram attached)
• Horizontal shaking. when cold.
• Does not switch to standby. (picture attached)
• Dark picture. intermittently.
• Dead.
• Does not switch on. Fluttering noise from the loudspeakers. (+ extract of circuit diagram)
• Remains in standby after changing power IC. (+ extract of circuit diagram)
• Line BU is abnormally hot.
• Picture is out of alignment horizontally. 10cm black bar on the right. (extract of circuit diagram attached)
• Flashing picture. (extract of circuit diagram attached) (54326820 tips)
• PSU doesn't start up when cold. (with circuit diagram extract) (54326820 tips)
• Picture rolls. when cold. (extract of circuit diagram attached)
• Picture and sound missing. Via scart socket with video recorder OK (part of circuit diagram displayed)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Black screen. Display flashes once at switch on.
• Line synchronisation available only after 2 mins.
• No tuning. only on certain channels. Dark screen. on the right.