54328020 / SCHAUBLORENZ [TV (Standard)]

• Comes on for a short time. (with circuit diagram extract)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (part of circuit diagram displayed)
• No colour (intermittently).
• No start-up (when cold).
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• LED lights up briefly then nothing more.
• 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. (service info for SCHAUBLORENZ -54328020)
• Distorted picture. on the right. (part of circuit diagram displayed)
• Bright picture. on the right. Dark picture. on the left. (picture attached)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• No TXT.
• Switches off completely after switch on. No standby function. (picture attached)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (picture attached) (54328020 SCHAUBLORENZ repair tip)
• Does not switch on. Fluttering noise from the loudspeakers. (with circuit diagram extract)
• Centre of snowy picture is darker than edges. (with circuit diagram extract)
• Horizontal stripe. in the centre.
• 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 -54328020)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• No functions. after a while.
• Blue, vertical stripe in the right third of the picture.
• No horizontal synchronisation. at start-up. (extract of circuit diagram attached) (54328020 SCHAUBLORENZ repair tip)
• Picture tearing.
• No control and cannot be switched off when started up from standby.
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (extract of circuit diagram attached)
• Noise in the speakers and no start up or display on the front panel when switching on. (+ extract of circuit diagram)
• Poor line and picture synchronisation when cold.
• Picture appears slowly. (picture attached)
• Reduced raster size. (+ extract of circuit diagram) (54328020 tip from SCHAUBLORENZ)
• 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 attached)
• Only standby LED lit. LED switches off at switch on then no function.
• Bright vertical stripes. No picture content. Sound OK. (picture attached)
• Vertical collapse. (+ extract of circuit diagram)
• 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)
• Poor PSU start-up or BU defective. (extract of circuit diagram 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)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (part of circuit diagram displayed)
• Picture shifted horizontally. (picture attached)
• No picture. Audio OK . (picture attached)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Vertical, bright stripe faintly visible in the right third of the picture.
• Switches to protection mode. at start-up. (+ extract of circuit diagram)
• Noise in audio. (part of circuit diagram displayed)
• No tuning. Higher channels in band I/III/V are not received.
• Unclear picture with Hum content.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted. (SCHAUBLORENZ - 54328020 information)
• Sound channel 1 and 2 voltage level adjustment.
• Bright raster. Flyback lines.
• Very slight flickering with a light picture. (part of circuit diagram displayed)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (extract of circuit diagram attached)
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Picture goes off after 1 minute; very low contrast, ok through scart. (extract of circuit diagram attached)
• Afterglow on deflection tube after switch off.
• Insufficient picture heigth (10cm) and severe linear distortion.
• Does not fully go to TXT or only blue mix TXT. (extract of circuit diagram attached)
• Poor vertical linearity at the bottom, also E/W error.
• PSU starts briefly, then no more HV. (extract of circuit diagram attached)
• Unstable picture. (extract of circuit diagram attached)
• Too wide picture and East/West pincushion curving outward. (picture attached)
• Coloured lines (RGB test lines) in top of picture.
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (picture attached)
• 88 shown on LED display. (service info for SCHAUBLORENZ -54328020)
• Black screen. Display flashes once at switch on. (54328020 tips)
• Long picture at start up, black screen with rainbow spots.
• Low brightness. Picture too big.
• Line tearing. at top. (with circuit diagram extract)
• Dark picture. Stripes after a while. OK after warm-up. (part of circuit diagram displayed)
• AV correction. (SCHAUBLORENZ - 54328020 information)
• Approx 20cm wide dark area in centre of picture and line tearing.
• 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. (part of circuit diagram displayed)
• Vertical and horizontal synchronisation available only after 2 mins.
• Loud noise. at start-up.
• Does not start from Standby.
• Black picture. Sound OK. Picture is OK after restart. (+ extract of circuit diagram)
• Loses sync at start-up for a few minutes.
• After approx 20 mins colour TV switches off.
• Picture shifted to the left. Alignment works normally. (part of circuit diagram displayed)
• Picture collapse on half of the picture.
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• E/W fault. (+ extract of circuit diagram)
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• HV arcing. (picture attached) (SCHAUBLORENZ - 54328020 information)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Picture rolls. when cold. (part of circuit diagram displayed)
• Halts at switch on when cold. No start up. OK after a few attempts. (+ extract of circuit diagram)
• Blocked control processor.
• The picture is too large and wavers.
• Noise in picture. Poor horizontal synchronisation.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• High voltage build up for short time then PSU switches off. (picture attached)
• No audio (when cold).
• Illegible display. (part of circuit diagram displayed)
• Left picture side is brighter, even via AV. (extract of circuit diagram attached)
• Hum bars, especially on yellow or orange background.
• Picture shifted to the left. (picture attached)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (part of circuit diagram displayed) (54328020 tip from SCHAUBLORENZ)
• Picture is distorted and changes. Loss of colours. (picture attached)
• Blue screen. Flyback lines. Audio OK .
• Poor synchronisation. No picture. after a while.
• EHT is heard starting up then everything stops 4 secs later.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (part of circuit diagram displayed)
• Line transistor S2000AF defective at switch on from cold. (+ extract of circuit diagram)
• No horizontal or vertical deflection.
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (part of circuit diagram displayed)
• Black bar on the right side of the screen. Similar to displacement. (+ extract of circuit diagram)
• No PSU start-up.
• Picture and sound missing. Via scart socket with video recorder OK (part of circuit diagram displayed)
• E/W-fault. (SCHAUBLORENZ - 54328020 information)
• One side of picture is black.
• FBT blows after a few mins. (picture attached)
• 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.
• Hums at switch on. (extract of circuit diagram attached)
• Picture shifted to the left, too small and not adjustable. (with circuit diagram extract)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (picture attached)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (part of circuit diagram displayed)
• No start-up. (with circuit diagram extract)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (with circuit diagram extract)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (with circuit diagram extract)
• Defective linearity.
• Excessive horizontal size. (part of circuit diagram displayed)
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (+ extract of circuit diagram)
• 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)
• Power supply hiccups.
• No vertical deflection. intermittently.
• 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)
• No E/W correction. (extract of circuit diagram attached)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• No start-up from standby.
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Horizontal synchronisation fault, picture shifted towards left side. (part of circuit diagram displayed)
• Picture shifted to the right.
• Switches to standby (intermittently).
• Few segments of the display too bright. Doesn't respond to commands.
• No picture (intermittently).
• PSU fails intermittently. (+ extract of circuit diagram)
• Horizontal shaking. when cold.
• Hums at switch on, dies out slowly.
• No picture. No audio. (picture attached)
• Control unit does not function. Does not switch on. (part of circuit diagram displayed)
• Picture with vertical and horizontal lines (when cold).
• High voltage runs high. Flashover all over.
• Blank raster.
• Remains in standby after changing power IC. (part of circuit diagram displayed)
• Slightly wavy picture in the middle of the screen. (+ extract of circuit diagram)
• Horizontal collapse. after a while. (part of circuit diagram displayed)
• From a cold start line output stage transistor fails.
• Resistor R775 is defective.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• NICAM check.
• 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)
• Dark picture.
• 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)
• Shadowing effect, left side of picture is brighter than the right one. (picture attached)
• At Power On standby LED switches off immediately after switching on.
• No functions.
• Reduced vertical size. (54328020 SCHAUBLORENZ repair tip)
• No picture. on lower half screen. (+ 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.
• Only blue light at right in picture.
• Buzzing at start-up.
• 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.
• The teletext contrast is considerably too high after installing the teletext decoder.
• PSU is defective. 300V is present.
• Transistor T701 fails when appliance is switched off and on.
• Power supply defective after a few days. (part of circuit diagram displayed)
• No HT output from power supply. OK in standby. (part of circuit diagram displayed)
• Vertical IC fails. (extract of circuit diagram attached)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Excessive vertical size. Vertical foldover at bottom.
• Whenever a function is requested display lights up then switches off.
• Poor audio.
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (extract of circuit diagram attached)
• Operation commands are not carried out.
• E/W trapezium does not function.
• Convex picture. Defective lower linearity. (picture attached)
• Dark screen. on the right. (+ extract of circuit diagram)
• No tuning.
• Horizontal line.
• HV appears briefly and then disappears. (picture attached) (service info for SCHAUBLORENZ -54328020)
• Poor shading of picture, dark on one side and light on the other. (picture attached) (service info for SCHAUBLORENZ -54328020)
• Does not switch ON. No power light showing.
• Switches off immediately after plugging in mains. (picture attached)
• Very pale picture which is shifted to the left. Voltage is correct. (with circuit diagram extract)
• Horizontal white line.
• Switches off when selecting a function via RC.
• Stops after 5 seconds. No standby LED. (with circuit diagram extract)
• Display flashing and rattles at switch on. (picture attached)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Horizontal jitter. when cold.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (picture attached)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (+ extract of circuit diagram)
• Dead. after start-up.
• Programming menu can not be accessed. (picture attached)
• 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 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.
• When TV started up, transistor (S2000AF) instantly burn out. (picture attached)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Line synchronisation available only after 2 mins.
• Horizontal jitter. Vertical jitter. (+ extract of circuit diagram)
• Picture is out of alignment horizontally. 10cm black bar on the right. (part of circuit diagram displayed)
• Picture amplitude is too weak.
• Line transformer starts up but no display, nothing on the screen and no sound. (extract of circuit diagram attached)
• Dark screen, only diffuse glow.
• At switch on appliance pulsated then reverts to standby again.
• Picture shaking in a random direction. (with circuit diagram extract)
• No raster sync in HF. Ok in scart. (+ extract of circuit diagram)
• No synchronisation (after start-up). (with circuit diagram extract)
• Slow start-up. when cold. (+ extract of circuit diagram)
• No colour.
• 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.
• Instructions on how to put appliance into Service-Mode.
• Dead.
• Wavy picture. at top. (extract of circuit diagram attached)
• No horizontal synchronisation. (with circuit diagram extract)
• Collapses at start up, then switches off.
• Picture too big. (with circuit diagram extract)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (extract of circuit diagram attached)
• Intermittent block.
• Resistor R515 becomes defective. (+ extract of circuit diagram) (54328020 tip from SCHAUBLORENZ)
• No TXT (intermittently).
• Rattling noise or bubbling at start-up (when cold). (picture attached)
• PSU switches from standby to safety mode at switch on.
• PSU doesn't start-up or only after a while. Cracking sound.
• 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.
• Black vertical bars on picture, mostly visible in AV with no video source. (part of circuit diagram displayed)
• 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)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Enter service mode.
• Top third of screen has ragged vertical lines.
• Vertical or horizontal picture shaking both when hot and cold. (part of circuit diagram displayed)
• Picture is too wide. E/W distorted.
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (picture attached)
• Random operation commands.
• No start up, no standby light, variable voltage on pin 16 of IC701. (part of circuit diagram displayed)
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (with circuit diagram extract)
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (+ extract of circuit diagram)
• Eliminate safety mode of PSU.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• 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. (54328020 tip from SCHAUBLORENZ)
• Erratic functions. (+ extract of circuit diagram)
• DF-AF adjustment.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Power supply seems to remain in safety mode. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54328020)
• Vertical lines. No colour. after a while.
• Standby display lights up briefly, then no function. (54328020 tips)
• Does not go into text mode, mix mode is not possible.
• Dark picture. on the right. (part of circuit diagram displayed)
• Picture distorted, shifted upwards and a little bit too wide.
• Excessive HV. (+ extract of circuit diagram)
• No vertical deflection. Horizontal line. Audio OK . (with circuit diagram extract)
• No tuning. only on certain channels. Dark screen. on the right.
• PSU doesn't start up when cold. (picture attached)
• Only snow in the picture, after changing the tuner the fault is still there.
• Line BU is abnormally hot.
• Pulsating picture. (+ extract of circuit diagram)
• Lines in picture.
• Poor PSU start up. Severe crackle in the loudspeaker.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Vertical line tearing. intermittently.
• Intermittent no image or yellow colouring. Knock sensitive. (+ extract of circuit diagram)
• Stuck in standby; RC ineffective. Stanby LED flickers. (picture attached)
• Poor adjustment of horizontal picture centering. (picture attached)
• No picture content. Picture is greyish. (part of circuit diagram displayed)
• Double picture.
• High voltage transistor (S2000) defective. (+ 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. (part of circuit diagram displayed)
• Builds up high voltage for a short time and then switches off. (with circuit diagram extract)
• No picture. Hum in audio.
• 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 attached) (SCHAUBLORENZ - 54328020 information)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Brightness varies. E/W fault. intermittently.
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• No functions. Red LED does not flash.
• No synchronisation during the first few mins. (extract of circuit diagram attached)
• Flashing picture. (extract of circuit diagram attached)
• Stuck in standby.
• Intermittently dead. (+ extract of circuit diagram)
• Excessive brightness. Flyback lines. (picture attached)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54328020)
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (picture attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Intermittently line tearing in the middle (approx. 20cm wide). (+ extract of circuit diagram)
• Blank screen with purple haze at left hand side. (extract of circuit diagram attached)
• Line frequency changes downward (squeaking, whistling).
• White screen. Flyback lines.
• PSU can not be loaded with 60W incandescent lamp.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (picture attached)
• Shuts down. after start-up. (picture attached)
• HV builds up briefly and then shuts down
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2. (54328020 tip from SCHAUBLORENZ)
• Attempts to start with no result. (extract of circuit diagram attached)
• Programmes change by themselves. RC is OK. (54328020 SCHAUBLORENZ repair tip)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• Unusual TXT.
• Does not switch to standby. (+ extract of circuit diagram)
• 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)
• Output transistor (S2000) fails when started from cold.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Can be switched to standby only if power plug is pulled out.
• Line tearing. (with circuit diagram extract) (54328020 tip from SCHAUBLORENZ)
• Vertical curtain-like stripes which may be distributed over the entire screen. (extract of circuit diagram attached)
• Tripping.
• No HV. (54328020 tips)
• Pincushion distortion.
• Distorted vertical linearity. Barrel distortion. (part of circuit diagram displayed)
• No start up after changing IC601. Nothing lights up on the front.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Shuts down. (picture attached)
• Vertical jitter. when cold.
• Unstable horizontal picture.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Reduced contrast, especially on one side of the screen.
• NICAM is missing.
• White point when switching off with ON/OFF switch. No point in standby.
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Excessive brightness. in the centre. (picture attached)
• T501 fails repeatedly.
• Dark picture. intermittently.
• Cycles on/off. (54328020 tips)
• Brightness differs between left and right hand side of the screen. (54328020 tips)
• Does not go into TXT mode. Mixed mode possible.
• No start up after changing FBT and constant whistling noise. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54328020)
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• 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.