54328021 / SCHAUBLORENZ [TV (Standard)]

• High voltage build up for short time then PSU switches off. (+ extract of circuit diagram)
• Excessive vertical size. Vertical foldover at bottom.
• No picture. No audio. (with circuit diagram extract)
• 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.
• Sound channel 1 and 2 voltage level adjustment.
• Too wide picture and East/West pincushion curving outward. (picture attached)
• Horizontal shaking. when cold.
• The teletext contrast is considerably too high after installing the teletext decoder. (54328021 SCHAUBLORENZ repair tip)
• Dark screen, only diffuse glow.
• Switches to protection mode. at start-up. (+ extract of circuit diagram)
• PSU switches from standby to safety mode at switch on.
• No start up after changing FBT and constant whistling noise. (part of circuit diagram displayed)
• High voltage transistor (S2000) defective. (extract of circuit diagram attached)
• AV correction.
• Collapses at start up, then switches off.
• Picture with vertical and horizontal lines (when cold).
• Line synchronisation available only after 2 mins.
• No vertical deflection. intermittently. (54328021 tips)
• White point when switching off with ON/OFF switch. No point in standby.
• Coloured lines (RGB test lines) in top of picture.
• No functions.
• HV arcing. (part of circuit diagram displayed) (SCHAUBLORENZ - 54328021 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.
• Hum bars, especially on yellow or orange background.
• Excessive brightness. Flyback lines. (with circuit diagram extract)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• NICAM is missing.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• Transistor T701 fails when appliance is switched off and on.
• No tuning.
• No synchronisation (after start-up). (part of circuit diagram displayed)
• Programmes change by themselves. RC is OK.
• Picture shifted to the right.
• Dead.
• Dark picture. Stripes after a while. OK after warm-up. (with circuit diagram extract)
• The picture is too large and wavers.
• Very pale picture which is shifted to the left. Voltage is correct. (+ extract of circuit diagram)
• Display flashing and rattles at switch on. (+ extract of circuit diagram) (54328021 SCHAUBLORENZ repair tip)
• Intermittent block. (service info for SCHAUBLORENZ -54328021)
• Distorted picture. on the right. (+ extract of circuit diagram)
• Noise in picture. Poor horizontal synchronisation.
• E/W fault. (part of circuit diagram displayed) (54328021 SCHAUBLORENZ repair tip)
• Horizontal synchronisation fault, picture shifted towards left side. (part of circuit diagram displayed)
• No functions. after a while.
• Switches off when selecting a function via RC.
• Line BU is abnormally hot.
• Switches off immediately after plugging in mains. (extract of circuit diagram attached)
• At switch on appliance pulsated then reverts to standby again.
• Horizontal white line.
• Intermittently line tearing in the middle (approx. 20cm wide). (part of circuit diagram displayed) (54328021 tips)
• No TXT (intermittently). (54328021 SCHAUBLORENZ repair tip)
• Power supply defective after a few days. (part of circuit diagram displayed)
• 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.
• Does not go into text mode, mix mode is not possible.
• No HT output from power supply. OK in standby. (+ extract of circuit diagram)
• Noise in the speakers and no start up or display on the front panel when switching on. (part of circuit diagram displayed)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy. (54328021 tip from SCHAUBLORENZ)
• Builds up high voltage for a short time and then switches off. (with circuit diagram extract)
• From a cold start line output stage transistor fails.
• Vertical and horizontal synchronisation available only after 2 mins.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Dark picture. on the right. (extract of circuit diagram attached)
• No picture content. Picture is greyish. (picture attached)
• Picture distorted, shifted upwards and a little bit too wide.
• 88 shown on LED display.
• 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.
• Excessive HV. (picture attached)
• No start-up. (part of circuit diagram displayed)
• 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.
• Vertical line tearing. intermittently.
• PSU can not be loaded with 60W incandescent lamp. (54328021 SCHAUBLORENZ repair tip)
• Double picture.
• Horizontal collapse. after a while. (part of circuit diagram displayed)
• Picture shifted to the left, too small and not adjustable. (with circuit diagram extract)
• T501 fails repeatedly.
• No start up, no standby light, variable voltage on pin 16 of IC701. (picture attached)
• Whenever a function is requested display lights up then switches off.
• No horizontal synchronisation. at start-up. (part of circuit diagram displayed) (SCHAUBLORENZ - 54328021 information)
• No colour.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• Does not switch to standby. (part of circuit diagram displayed)
• No start up after changing IC601. Nothing lights up on the front.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (extract of circuit diagram attached)
• Defective linearity.
• Line frequency changes downward (squeaking, whistling).
• Picture and sound missing. Via scart socket with video recorder OK (extract of circuit diagram attached)
• Unclear picture with Hum content.
• Long picture at start up, black screen with rainbow spots.
• Dead. after start-up.
• Picture goes off after 1 minute; very low contrast, ok through scart. (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. (picture attached)
• Vertical IC fails. (part of circuit diagram displayed)
• PSU fails intermittently. (with circuit diagram extract)
• No raster sync in HF. Ok in scart. (extract of circuit diagram attached)
• Top third of screen has ragged vertical lines.
• Reduced raster size. (extract of circuit diagram attached)
• Brightness varies. E/W fault. intermittently. (service info for SCHAUBLORENZ -54328021)
• No start-up (when cold).
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Few segments of the display too bright. Doesn't respond to commands.
• Line tearing. at top. (part of circuit diagram displayed) (SCHAUBLORENZ - 54328021 information)
• No horizontal synchronisation. (with circuit diagram extract)
• Time constant switching over only occurs on memory sites 37 to 39 and AV. (54328021 SCHAUBLORENZ repair tip)
• Poor adjustment of horizontal picture centering. (picture attached)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (with circuit diagram extract)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (with circuit diagram extract)
• Poor shading of picture, dark on one side and light on the other. (extract of circuit diagram attached)
• Reduced vertical size.
• Intermittently line transistor defective at start up. Fault also occurs intermittently in channel search or when switching to another channel. Once appliance runs, it runs well.
• Dark screen. on the right. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54328021)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Loses sync at start-up for a few minutes. (54328021 tips)
• PSU doesn't start-up or only after a while. Cracking sound. (54328021 SCHAUBLORENZ repair tip)
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (with circuit diagram extract)
• Random operation commands. (54328021 SCHAUBLORENZ repair tip)
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (part of circuit diagram displayed)
• 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)
• Output transistor (S2000) fails when started from cold.
• When appliance receives in Nicam stereo, the TV goes into PAL.
• No picture. Hum in audio.
• Picture is too wide. E/W distorted.
• 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.
• No start-up from standby.
• Eliminate safety mode of PSU.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (extract of circuit diagram attached)
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Poor line and picture synchronisation when cold.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Power supply hiccups.
• Switches off completely after switch on. No standby function. (with circuit diagram extract)
• Will not select text, or will only select mix or full text but not both, various other functions faulty. (54328021 SCHAUBLORENZ repair tip)
• White screen. Flyback lines.
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• DF-AF adjustment. (54328021 tips)
• Distorted vertical linearity. Barrel distortion. (picture attached)
• Intermittently dead. (picture attached)
• High voltage runs high. Flashover all over. (service info for SCHAUBLORENZ -54328021)
• Does not go into TXT mode. Mixed mode possible.
• Poor vertical linearity at the bottom, also E/W error.
• Horizontal jitter. Vertical jitter. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54328021)
• At switch on, lights light up for an instant, voltage which ought to reach 145V increases to 60V but then goes back to 0V. (picture attached) (54328021 tip from SCHAUBLORENZ)
• Picture shifted to the left. (picture attached)
• Picture appears slowly. (with circuit diagram extract)
• Poor PSU start up. Severe crackle in the loudspeaker.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (part of circuit diagram displayed)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• 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.
• Picture shifted to the left. Alignment works normally. (with circuit diagram extract)
• Enter service mode.
• Afterglow on deflection tube after switch off.
• No vertical deflection. Horizontal line. Audio OK . (with circuit diagram extract)
• Power supply seems to remain in safety mode. (part of circuit diagram displayed)
• Dark screen at start up. Line transformer ok with flyback lines. Top 2 or 3 lines ok. In PB apparently functions around the IC TDA8372A. (part of circuit diagram displayed)
• No tuning. only on certain channels. Dark screen. on the right.
• 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.
• No functions. Red LED does not flash.
• Black picture. Sound OK. Picture is OK after restart. (+ extract of circuit diagram)
• Picture tearing. (service info for SCHAUBLORENZ -54328021)
• Picture shifted horizontally. (with circuit diagram extract)
• Control unit processor is defective. (part of circuit diagram displayed)
• Buzzing at start-up.
• Rattling noise or bubbling at start-up (when cold). (part of circuit diagram displayed)
• No control and cannot be switched off when started up from standby.
• Poor audio.
• NICAM check.
• Vertical collapse. (+ extract of circuit diagram)
• EHT is heard starting up then everything stops 4 secs later.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (extract of circuit diagram attached)
• Dark picture.
• Low brightness. Picture too big.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Intermittent no image or yellow colouring. Knock sensitive. (extract of circuit diagram attached)
• Vertical jitter. when cold.
• Halts at switch on when cold. No start up. OK after a few attempts. (part of circuit diagram displayed)
• Noise in audio. (extract of circuit diagram attached)
• HV builds up briefly and then shuts down
• Picture rolls. when cold. (with circuit diagram extract)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Resistor R515 becomes defective. (with circuit diagram extract)
• Only snow in the picture, after changing the tuner the fault is still there.
• Only blue light at right in picture.
• Bright vertical stripes. No picture content. Sound OK. (picture attached)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (part of circuit diagram displayed)
• Remains in standby after changing power IC. (picture attached)
• PSU is defective. 300V is present.
• Erratic functions. (with circuit diagram extract)
• Horizontal stripe. in the centre.
• HV appears briefly and then disappears. (extract of circuit diagram attached)
• E/W-fault.
• Stuck in standby; RC ineffective. Stanby LED flickers. (picture attached)
• 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) (54328021 tips)
• Hums at switch on, dies out slowly.
• Picture collapse on half of the picture.
• Unusual TXT.
• Convex picture. Defective lower linearity. (with circuit diagram extract)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Excessive brightness. in the centre. (extract of circuit diagram attached)
• Does not switch on. Fluttering noise from the loudspeakers. (picture attached)
• Horizontal jitter. when cold.
• No picture. on lower half screen. (extract of circuit diagram attached) (54328021 tips)
• 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)
• Horizontal line.
• Line tearing. (picture attached) (54328021 tip from SCHAUBLORENZ)
• Blank screen with purple haze at left hand side. (with circuit diagram extract)
• 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 picture. Audio OK . (with circuit diagram extract) (54328021 SCHAUBLORENZ repair tip)
• Black bar on the right side of the screen. Similar to displacement. (part of circuit diagram displayed)
• Slow start-up. when cold. (part of circuit diagram displayed)
• Blue screen. Flyback lines. Audio OK .
• Tripping.
• Shuts down. (extract of circuit diagram attached)
• 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 doesn't start up when cold. (extract of circuit diagram attached)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (part of circuit diagram displayed)
• One side of picture is black.
• No PSU start-up.
• No colour (intermittently).
• Loud noise. at start-up.
• Vertical, bright stripe faintly visible in the right third of the picture. (SCHAUBLORENZ - 54328021 information)
• PSU starts briefly, then no more HV. (extract of circuit diagram attached)
• Strong blue dominance at top of picture. Rest of picture (approx half) 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. (SCHAUBLORENZ - 54328021 information)
• Blocked control processor.
• Does not switch ON. No power light showing. (54328021 tips)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (part of circuit diagram displayed)
• Instructions on how to put appliance into Service-Mode.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Does not fully go to TXT or only blue mix TXT. (part of circuit diagram displayed)
• Picture too big. (part of circuit diagram displayed)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (extract of circuit diagram attached)
• Vertical or horizontal picture shaking both when hot and cold. (with circuit diagram extract)
• Programming menu can not be accessed. (extract of circuit diagram attached)
• Illegible display. (with circuit diagram extract)
• Picture amplitude is too weak.
• LED lights up briefly then nothing more.
• Flashing picture. (extract of circuit diagram attached)
• Operation commands are not carried out. (54328021 tip from SCHAUBLORENZ)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (+ extract of circuit diagram)
• Black screen. Display flashes once at switch on.
• Does not start from Standby. (54328021 SCHAUBLORENZ repair tip)
• 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)
• Impossible to adjust the horizontal synchronization. Picture has shifted 10cm to the left. TDA 8372A on pin 20 has already been replaced, sandcastle incorrect. Power supply is good. (picture attached)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (extract of circuit diagram attached)
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Bright raster. Flyback lines.
• When TV started up, transistor (S2000AF) instantly burn out. (picture attached)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• After approx 20 mins colour TV switches off. (54328021 tip from SCHAUBLORENZ)
• Unstable horizontal picture.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Black vertical bars on picture, mostly visible in AV with no video source. (+ extract of circuit diagram)
• Lines in picture.
• Line transistor S2000AF defective at switch on from cold. (part of circuit diagram displayed)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Very slight flickering with a light picture. (part of circuit diagram displayed)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (part of circuit diagram displayed)
• Standby display lights up briefly, then no function.
• 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) (SCHAUBLORENZ - 54328021 information)
• 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)
• Pulsating picture. (part of circuit diagram displayed)
• Blue, vertical stripe in the right third of the picture.
• No HV.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (picture attached)
• Excessive horizontal size. (picture attached)
• Resistor R775 is defective.
• Picture is out of alignment horizontally. 10cm black bar on the right. (picture attached)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• E/W trapezium does not function.
• No horizontal or vertical deflection.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2. (SCHAUBLORENZ - 54328021 information)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (picture attached)
• Only standby LED lit. LED switches off at switch on then no function. (54328021 SCHAUBLORENZ repair tip)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Pincushion distortion.
• Picture is distorted and changes. Loss of colours. (extract of circuit diagram attached)
• Comes on for a short time. (+ extract of circuit diagram)
• Dark picture. intermittently.
• Hums at switch on. (extract of circuit diagram attached) (SCHAUBLORENZ - 54328021 information)
• Poor synchronisation. No picture. after a while.
• Cycles on/off.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (+ extract of circuit diagram) (SCHAUBLORENZ - 54328021 information)
• Stuck in standby.
• Brightness differs between left and right hand side of the screen.
• Picture shaking in a random direction. (+ extract of circuit diagram)
• No tuning. Higher channels in band I/III/V are not received.
• Blank raster.
• Stops after 5 seconds. No standby LED. (part of circuit diagram displayed)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (with circuit diagram extract)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (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. (part of circuit diagram displayed)
• Insufficient picture heigth (10cm) and severe linear distortion.
• Slightly wavy picture in the middle of the screen. (+ extract of circuit diagram)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Attempts to start with no result. (+ extract of circuit diagram)
• No synchronisation during the first few mins. (picture attached)
• 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 attached)
• Unstable picture. (part of circuit diagram displayed)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm. (SCHAUBLORENZ - 54328021 information)
• Switches to standby (intermittently).
• Bright picture. on the right. Dark picture. on the left. (picture attached)
• Vertical curtain-like stripes which may be distributed over the entire screen. (part of circuit diagram displayed)
• Vertical lines. No colour. after a while.
• 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. (with circuit diagram extract)
• Line transformer starts up but no display, nothing on the screen and no sound. (with circuit diagram extract) (54328021 tip from SCHAUBLORENZ)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• At Power On standby LED switches off immediately after switching on. (54328021 tips)
• Centre of snowy picture is darker than edges. (+ 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 attached)
• No TXT.
• Poor PSU start-up or BU defective. (+ extract of circuit diagram)
• Approx 20cm wide dark area in centre of picture and line tearing.
• Shuts down. after start-up. (+ extract of circuit diagram)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Shadowing effect, left side of picture is brighter than the right one. (with circuit diagram extract)
• Control unit does not function. Does not switch on. (with circuit diagram extract)
• No picture (intermittently).
• Left picture side is brighter, even via AV. (picture attached)
• FBT blows after a few mins. (part of circuit diagram displayed)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• No audio (when cold).
• Wavy picture. at top. (extract of circuit diagram attached)
• No E/W correction. (part of circuit diagram displayed)