54332821 / SCHAUBLORENZ [TV (Standard)]

• 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.
• No horizontal synchronisation. at start-up. (with circuit diagram extract) (54332821 tip from SCHAUBLORENZ)
• At Power On standby LED switches off immediately after switching on.
• NICAM check. (54332821 tip from SCHAUBLORENZ)
• Buzzing at start-up.
• Loses sync at start-up for a few minutes.
• 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)
• Output transistor (S2000) fails when started from cold.
• Display flashing and rattles at switch on. (extract of circuit diagram attached)
• Too wide picture and East/West pincushion curving outward. (with circuit diagram extract)
• 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.
• Poor synchronisation. No picture. after a while.
• 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.
• 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)
• Poor PSU start up. Severe crackle in the loudspeaker.
• Vertical or horizontal picture shaking both when hot and cold. (part of circuit diagram displayed)
• Excessive brightness. Flyback lines. (extract of circuit diagram attached)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Blank raster.
• Poor vertical linearity at the bottom, also E/W error.
• Poor adjustment of horizontal picture centering. (+ extract of circuit diagram)
• Control unit does not function. Does not switch on. (part of circuit diagram displayed)
• Wavy picture. at top. (extract of circuit diagram attached)
• Line transistor S2000AF defective at switch on from cold. (+ 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. (54332821 tip from SCHAUBLORENZ)
• No functions. after a while. (54332821 SCHAUBLORENZ repair tip)
• Lines in picture.
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (picture attached)
• Blue screen. Flyback lines. Audio OK .
• Intermittent no image or yellow colouring. Knock sensitive. (extract of circuit diagram attached)
• No start-up from standby.
• Unclear picture with Hum content.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (extract of circuit diagram attached)
• HV builds up briefly and then shuts down
• 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. (part of circuit diagram displayed)
• Loud noise. at start-up.
• Standby display lights up briefly, then no function.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (with circuit diagram extract)
• Random operation commands.
• Double picture.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Does not switch to standby. (picture attached)
• Picture shifted to the left. (picture attached)
• Excessive brightness. in the centre. (with circuit diagram extract)
• No picture (intermittently).
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• No PSU start-up.
• Horizontal synchronisation fault, picture shifted towards left side. (part of circuit diagram displayed) (54332821 tips)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (+ extract of circuit diagram) (54332821 tip from SCHAUBLORENZ)
• Does not go into text mode, mix mode is not possible.
• Picture with vertical and horizontal lines (when cold).
• Top third of screen has ragged vertical lines.
• Switches off immediately after plugging in mains. (+ 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. (part of circuit diagram displayed)
• Flashing picture. (with circuit diagram extract)
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• E/W-fault. (service info for SCHAUBLORENZ -54332821)
• PSU is defective. 300V is present.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• Eliminate safety mode of PSU.
• Power supply seems to remain in safety mode. (+ extract of circuit diagram)
• Instructions on how to put appliance into Service-Mode.
• NICAM is missing.
• Picture too big. (extract of circuit diagram attached)
• 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)
• Power supply defective after a few days. (part of circuit diagram displayed)
• From a cold start line output stage transistor fails.
• No start up, no standby light, variable voltage on pin 16 of IC701. (extract of circuit diagram attached)
• Very pale picture which is shifted to the left. Voltage is correct. (picture attached)
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• No tuning. Higher channels in band I/III/V are not received.
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (picture attached)
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (picture attached)
• No TXT.
• Dark picture. intermittently.
• Builds up high voltage for a short time and then switches off. (picture attached)
• Picture goes off after 1 minute; very low contrast, ok through scart. (+ extract of circuit diagram) (54332821 tips)
• Switches to standby (intermittently).
• HV appears briefly and then disappears. (extract of circuit diagram attached)
• Control unit processor is defective. (extract of circuit diagram attached)
• Few segments of the display too bright. Doesn't respond to commands.
• Stuck in standby.
• E/W fault. (+ extract of circuit diagram)
• Operation commands are not carried out.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (with circuit diagram extract) (54332821 tips)
• Picture is distorted and changes. Loss of colours. (picture attached)
• Very slight flickering with a light picture. (picture attached)
• Collapses at start up, then switches off.
• Coloured lines (RGB test lines) in top of picture. (54332821 SCHAUBLORENZ repair tip)
• No HT output from power supply. OK in standby. (picture attached)
• Attempts to start with no result. (with circuit diagram extract)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Horizontal shaking. when cold.
• Low brightness. Picture too big.
• Picture collapse on half of the picture.
• Approx 20cm wide dark area in centre of picture and line tearing.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• Poor line and picture synchronisation when cold.
• Picture shifted to the left, too small and not adjustable. (+ extract of circuit diagram)
• Bright vertical stripes. No picture content. Sound OK. (extract of circuit diagram attached)
• Horizontal stripe. in the centre.
• Picture is out of alignment horizontally. 10cm black bar on the right. (with circuit diagram extract)
• Dark picture. Stripes after a while. OK after warm-up. (with circuit diagram extract)
• Only standby LED lit. LED switches off at switch on then no function.
• Intermittent block.
• No start-up. (picture attached)
• No vertical deflection. intermittently.
• 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.
• Picture tearing.
• No start up after changing IC601. Nothing lights up on the front.
• No TXT (intermittently).
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (+ extract of circuit diagram)
• Poor audio.
• Programming menu can not be accessed. (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)
• The picture is too large and wavers.
• Does not switch on. Fluttering noise from the loudspeakers. (part of circuit diagram displayed)
• Stops after 5 seconds. No standby LED. (+ extract of circuit diagram)
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Picture shifted to the left. Alignment works normally. (extract of circuit diagram attached)
• Picture amplitude is too weak.
• Reduced vertical size.
• Blue, vertical stripe in the right third of the picture.
• Picture is too wide. E/W distorted. (54332821 tip from SCHAUBLORENZ)
• PSU doesn't start up when cold. (with circuit diagram extract)
• DF-AF adjustment.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Line synchronisation available only after 2 mins.
• 88 shown on LED display.
• Shadowing effect, left side of picture is brighter than the right one. (with circuit diagram extract)
• Blank screen with purple haze at left hand side. (+ extract of circuit diagram)
• No raster sync in HF. Ok in scart. (+ extract of circuit diagram)
• Afterglow on deflection tube after switch off.
• No functions.
• Dark screen at start up. Line transformer ok with flyback lines. Top 2 or 3 lines ok. In PB apparently functions around the IC TDA8372A. (picture attached)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• 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)
• Halts at switch on when cold. No start up. OK after a few attempts. (part of circuit diagram displayed)
• 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)
• Dark screen, only diffuse glow.
• Noise in the speakers and no start up or display on the front panel when switching on. (picture attached)
• Vertical, bright stripe faintly visible in the right third of the picture.
• 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.
• Left picture side is brighter, even via AV. (+ extract of circuit diagram)
• Vertical IC fails. (with circuit diagram extract)
• Picture appears slowly. (part of circuit diagram displayed)
• High voltage runs high. Flashover all over.
• No picture. No audio. (extract of circuit diagram attached)
• AV correction.
• E/W trapezium does not function.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (part of circuit diagram displayed) (54332821 tips)
• After approx 20 mins colour TV switches off.
• No vertical deflection. Horizontal line. Audio OK . (extract of circuit diagram attached)
• Hums at switch on, dies out slowly.
• 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.
• Does not fully go to TXT or only blue mix TXT. (+ extract of circuit diagram)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Unstable picture. (part of circuit diagram displayed)
• The teletext contrast is considerably too high after installing the teletext decoder.
• Illegible display. (part of circuit diagram displayed)
• Shuts down. (with circuit diagram extract) (SCHAUBLORENZ - 54332821 information)
• PSU switches from standby to safety mode at switch on.
• Dead.
• 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.
• Vertical lines. No colour. after a while.
• Switches off when selecting a function via RC.
• Distorted vertical linearity. Barrel distortion. (+ extract of circuit diagram)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Bright picture. on the right. Dark picture. on the left. (+ extract of circuit diagram)
• Switches to protection mode. at start-up. (extract of circuit diagram attached)
• Insufficient picture heigth (10cm) and severe linear distortion.
• PSU starts briefly, then no more HV. (picture attached)
• High voltage build up for short time then PSU switches off. (with circuit diagram extract)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Power supply hiccups.
• Brightness differs between left and right hand side of the screen.
• At switch on appliance pulsated then reverts to standby again.
• No colour (intermittently).
• Remains in standby after changing power IC. (extract of circuit diagram attached)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (+ extract of circuit diagram)
• Horizontal jitter. when cold.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Defective linearity.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Excessive vertical size. Vertical foldover at bottom.
• Picture and sound missing. Via scart socket with video recorder OK (part of circuit diagram displayed)
• Erratic functions. (picture attached)
• No tuning.
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (with circuit diagram extract)
• Vertical curtain-like stripes which may be distributed over the entire screen. (extract of circuit diagram attached) (54332821 SCHAUBLORENZ repair tip)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (extract of circuit diagram attached)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Does not switch ON. No power light showing.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (picture attached)
• Reduced raster size. (extract of circuit diagram attached)
• Dead. after start-up.
• Long picture at start up, black screen with rainbow spots.
• Shuts down. after start-up. (with circuit diagram extract)
• White point when switching off with ON/OFF switch. No point in standby. (54332821 SCHAUBLORENZ repair tip)
• Rattling noise or bubbling at start-up (when cold). (+ extract of circuit diagram)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (extract of circuit diagram attached)
• No start-up (when cold).
• No synchronisation (after start-up). (picture attached)
• Horizontal line.
• LED lights up briefly then nothing more.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off. (54332821 tips)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Distorted picture. on the right. (picture attached)
• Vertical collapse. (with circuit diagram extract)
• Brightness varies. E/W fault. intermittently.
• Noise in picture. Poor horizontal synchronisation.
• Tripping.
• Horizontal white line.
• No picture. Audio OK . (with circuit diagram extract)
• Picture rolls. when cold. (extract of circuit diagram attached)
• No control and cannot be switched off when started up from standby.
• No picture. on lower half screen. (extract of circuit diagram attached)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge. (54332821 SCHAUBLORENZ repair tip)
• Dark picture. on the right. (part of circuit diagram displayed)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• No horizontal or vertical deflection. (54332821 SCHAUBLORENZ repair tip)
• Line BU is abnormally hot.
• Picture distorted, shifted upwards and a little bit too wide.
• White screen. Flyback lines.
• FBT blows after a few mins. (picture attached)
• PSU can not be loaded with 60W incandescent lamp.
• Line tearing. (+ 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)
• HT starts up, appliance switches off immediately. Power supply with lamp OK but documentation states voltage must be 60-100V when pin 4 of line transformer disconnected and lamp connected to D765 60-100V. Voltage in this case is 145V.
• Poor PSU start-up or BU defective. (picture attached)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (with circuit diagram extract)
• Dark screen. on the right. (+ extract of circuit diagram)
• No audio (when cold). (54332821 tips)
• No HV.
• Centre of snowy picture is darker than edges. (+ extract of circuit diagram)
• Vertical and horizontal synchronisation available only after 2 mins.
• Black vertical bars on picture, mostly visible in AV with no video source. (+ extract of circuit diagram)
• Does not start from Standby. (54332821 tip from SCHAUBLORENZ)
• EHT is heard starting up then everything stops 4 secs later.
• Cycles on/off. (service info for SCHAUBLORENZ -54332821)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (with circuit diagram extract)
• Transistor T701 fails when appliance is switched off and on.
• Convex picture. Defective lower linearity. (part of circuit diagram displayed)
• Hum bars, especially on yellow or orange background.
• No E/W correction. (with circuit diagram extract)
• Black bar on the right side of the screen. Similar to displacement. (part of circuit diagram displayed)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• Vertical jitter. when cold.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• One side of picture is black.
• Comes on for a short time. (part of circuit diagram displayed) (54332821 tip from SCHAUBLORENZ)
• Horizontal collapse. after a while. (extract of circuit diagram attached)
• Does not go into TXT mode. Mixed mode possible. (SCHAUBLORENZ - 54332821 information)
• Pulsating picture. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54332821)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (+ extract of circuit diagram)
• Picture shifted to the right.
• Hums at switch on. (+ extract of circuit diagram)
• Poor shading of picture, dark on one side and light on the other. (+ extract of circuit diagram)
• Line frequency changes downward (squeaking, whistling).
• No functions. Red LED does not flash.
• Excessive HV. (+ extract of circuit diagram)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (part of circuit diagram displayed)
• T501 fails repeatedly. (54332821 tips)
• Intermittently dead. (+ extract of circuit diagram)
• Pincushion distortion.
• PSU doesn't start-up or only after a while. Cracking sound. (SCHAUBLORENZ - 54332821 information)
• Enter service mode.
• Slow start-up. when cold. (extract of circuit diagram attached)
• No start up after changing FBT and constant whistling noise. (extract of circuit diagram attached)
• When TV started up, transistor (S2000AF) instantly burn out. (extract of circuit diagram attached)
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (part of circuit diagram displayed)
• Whenever a function is requested display lights up then switches off.
• Wavy vertical lines in the entire picture when cold. Picture jitters. (extract of circuit diagram 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.
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Line tearing. at top. (part of circuit diagram displayed) (54332821 SCHAUBLORENZ repair tip)
• Resistor R515 becomes defective. (part of circuit diagram displayed)
• Black screen. Display flashes once at switch on.
• Sound channel 1 and 2 voltage level adjustment.
• Horizontal jitter. Vertical jitter. (+ extract of circuit diagram)
• Stuck in standby; RC ineffective. Stanby LED flickers. (picture attached)
• 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)
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• 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)
• No tuning. only on certain channels. Dark screen. on the right.
• No synchronisation during the first few mins. (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. (part of circuit diagram displayed)
• When appliance receives in Nicam stereo, the TV goes into PAL. (54332821 tips)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• No horizontal synchronisation. (extract of circuit diagram attached)
• Only snow in the picture, after changing the tuner the fault is still there.
• PSU fails intermittently. (picture attached)
• 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)
• Intermittently line tearing in the middle (approx. 20cm wide). (picture attached)
• Reduced contrast, especially on one side of the screen.
• Noise in audio. (part of circuit diagram displayed)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Black picture. Sound OK. Picture is OK after restart. (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. (SCHAUBLORENZ - 54332821 information)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (picture attached) (54332821 tips)
• Bright raster. Flyback lines.
• No picture content. Picture is greyish. (extract of circuit diagram attached)
• Vertical line tearing. intermittently.
• Can be switched to standby only if power plug is pulled out. (54332821 SCHAUBLORENZ repair tip)
• Picture shifted horizontally. (picture attached)
• Unstable horizontal picture.
• No colour.
• Unusual TXT.
• Switches off completely after switch on. No standby function. (with circuit diagram extract)
• Dark picture.
• Programmes change by themselves. RC is OK.
• Resistor R775 is defective.
• HV arcing. (extract of circuit diagram attached)
• Blocked control processor.
• Line transformer starts up but no display, nothing on the screen and no sound. (picture attached)
• Picture shaking in a random direction. (part of circuit diagram displayed)
• Slightly wavy picture in the middle of the screen. (with circuit diagram extract) (54332821 tips)
• No picture. Hum in audio.
• Excessive horizontal size. (part of circuit diagram displayed)
• High voltage transistor (S2000) defective. (part of circuit diagram displayed)
• Only blue light at right in picture.