54328080 / SCHAUBLORENZ [TV (Standard)]

• 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)
• Does not fully go to TXT or only blue mix TXT. (with circuit diagram extract)
• Black vertical bars on picture, mostly visible in AV with no video source. (extract of circuit diagram attached)
• Poor shading of picture, dark on one side and light on the other. (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.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (+ extract of circuit diagram)
• Dead.
• Programming menu can not be accessed. (+ 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 horizontal synchronisation. at start-up. (with circuit diagram extract)
• Can be switched to standby only if power plug is pulled out.
• PSU fails intermittently. (picture attached)
• Blank screen with purple haze at left hand side. (+ extract of circuit diagram)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (with circuit diagram extract)
• Line synchronisation available only after 2 mins.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Picture too big. (with circuit diagram extract)
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (with circuit diagram extract)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (picture attached)
• No horizontal or vertical deflection.
• Poor audio.
• Picture only appears about 3 mins after switch on, when appliance is cold. (54328080 SCHAUBLORENZ repair tip)
• Horizontal jitter. when cold.
• Picture is out of alignment horizontally. 10cm black bar on the right. (with circuit diagram extract) (service info for SCHAUBLORENZ -54328080)
• Blocked control processor.
• Shuts down. after start-up. (part of circuit diagram displayed)
• Blue screen. Flyback lines. Audio OK .
• 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.
• Resistor R775 is defective.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• HV arcing. (extract of circuit diagram attached)
• Slow start-up. when cold. (part of circuit diagram displayed)
• No horizontal synchronisation. (picture attached)
• High voltage runs high. Flashover all over.
• Wavy picture. at top. (with circuit diagram extract)
• No audio (when cold).
• Dark screen, only diffuse glow.
• Stuck in standby.
• Black screen. Display flashes once at switch on.
• Vertical lines. No colour. after a while.
• Double picture.
• PSU doesn't start-up or only after a while. Cracking sound.
• Line BU is abnormally hot.
• HV appears briefly and then disappears. (picture attached)
• Excessive HV. (+ extract of circuit diagram) (54328080 SCHAUBLORENZ repair tip)
• Control unit does not function. Does not switch on. (extract of circuit diagram attached)
• One side of picture is black.
• Picture amplitude is too weak.
• Very slight flickering with a light picture. (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.
• Picture distorted, shifted upwards and a little bit too wide.
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (+ extract of circuit diagram)
• NICAM check.
• Tripping.
• After approx 20 mins colour TV switches off.
• Remains in standby. Starts up when wiper forced. 88 on display. No picture and no sound. Goes into standby as soon as switch is released. (with circuit diagram extract)
• Poor PSU start-up or BU defective. (+ extract of circuit diagram)
• No picture (intermittently).
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (with circuit diagram extract)
• Enter service mode.
• Shadowing effect, left side of picture is brighter than the right one. (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. (picture attached)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• E/W trapezium does not function.
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (with circuit diagram extract)
• Defective linearity.
• Horizontal white line.
• Erratic functions. (+ extract of circuit diagram)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (with circuit diagram extract)
• No TXT (intermittently).
• Attempts to start with no result. (picture attached)
• Power supply seems to remain in safety mode. (with circuit diagram extract)
• Approx 20cm wide dark area in centre of picture and line tearing.
• Unstable horizontal picture.
• FBT blows after a few mins. (part of circuit diagram displayed)
• Buzzing at start-up.
• Does not start from Standby.
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Line tearing. (+ extract of circuit diagram)
• No start-up (when cold).
• Dark picture. Stripes after a while. OK after warm-up. (picture attached)
• No functions.
• Horizontal collapse. after a while. (+ extract of circuit diagram)
• 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)
• 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.
• Slightly wavy picture in the middle of the screen. (part of circuit diagram displayed)
• Intermittently dead. (+ extract of circuit diagram)
• 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)
• Stops after 5 seconds. No standby LED. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54328080)
• Rattling noise or bubbling at start-up (when cold). (part of circuit diagram displayed)
• Does not go into TXT mode. Mixed mode possible.
• Unstable picture. (extract of circuit diagram attached)
• Unusual TXT.
• PSU is defective. 300V is present. (54328080 tips)
• Dark picture. on the right. (with circuit diagram extract)
• Picture shaking in a random direction. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54328080)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Picture rolls. when cold. (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.
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Whenever a function is requested display lights up then switches off.
• Display flashing and rattles at switch on. (with circuit diagram extract)
• Excessive horizontal size. (part of circuit diagram displayed)
• No start up after changing FBT and constant whistling noise. (part of circuit diagram displayed)
• Line transformer starts up but no display, nothing on the screen and no sound. (part of circuit diagram displayed)
• Instructions on how to put appliance into Service-Mode.
• Too wide picture and East/West pincushion curving outward. (+ extract of circuit diagram)
• E/W fault. (extract of circuit diagram attached)
• No picture. Hum in audio.
• No picture. Audio OK . (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)
• Picture shifted to the right.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted. (54328080 SCHAUBLORENZ repair tip)
• No picture. on lower half screen. (with circuit diagram extract)
• Reduced vertical size.
• EHT is heard starting up then everything stops 4 secs later.
• Vertical curtain-like stripes which may be distributed over the entire screen. (part of circuit diagram displayed)
• Picture and sound missing. Via scart socket with video recorder OK (picture attached)
• Blank raster.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (part of circuit diagram displayed)
• Collapses at start up, then switches off.
• 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)
• Comes on for a short time. (with circuit diagram extract)
• Few segments of the display too bright. Doesn't respond to commands.
• No raster sync in HF. Ok in scart. (part of circuit diagram displayed)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (with circuit diagram extract)
• Top third of screen has ragged vertical lines.
• Line frequency changes downward (squeaking, whistling).
• 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. (picture attached)
• PSU doesn't start up when cold. (with circuit diagram extract)
• At Power On standby LED switches off immediately after switching on.
• Line tearing. at top. (+ extract of circuit diagram)
• 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 attached)
• Low brightness. Picture too big.
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• No vertical deflection. Horizontal line. Audio OK . (picture attached)
• Hums at switch on. (extract of circuit diagram attached)
• Switches to protection mode. at start-up. (with circuit diagram extract)
• Convex picture. Defective lower linearity. (picture attached)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (picture attached)
• No control and cannot be switched off when started up from standby. (service info for SCHAUBLORENZ -54328080)
• Bright raster. Flyback lines.
• Picture appears slowly. (picture attached)
• Hum bars, especially on yellow or orange background.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• E/W-fault.
• 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)
• From a cold start line output stage transistor fails.
• Does not switch on. Fluttering noise from the loudspeakers. (part of circuit diagram displayed)
• Programmes change by themselves. RC is OK.
• No HT output from power supply. OK in standby. (picture attached)
• Dark screen. on the right. (part of circuit diagram displayed) (54328080 tip from SCHAUBLORENZ)
• No colour.
• No start up, no standby light, variable voltage on pin 16 of IC701. (extract of circuit diagram attached)
• Vertical collapse. (extract of circuit diagram attached)
• Noise in audio. (+ extract of circuit diagram)
• Excessive brightness. in the centre. (part of circuit diagram displayed)
• Reduced raster size. (extract of circuit diagram attached)
• Black bar on the right side of the screen. Similar to displacement. (+ extract of circuit diagram)
• Vertical line tearing. intermittently. (54328080 SCHAUBLORENZ repair tip)
• Loud noise. at start-up.
• Very pale picture which is shifted to the left. Voltage is correct. (+ extract of circuit diagram)
• Excessive vertical size. Vertical foldover at bottom. (54328080 tip from SCHAUBLORENZ)
• Picture shifted horizontally. (+ extract of circuit diagram)
• 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)
• White point when switching off with ON/OFF switch. No point in standby.
• Switches to standby (intermittently).
• Poor adjustment of horizontal picture centering. (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.
• No E/W correction. (part of circuit diagram displayed)
• Halts at switch on when cold. No start up. OK after a few attempts. (+ extract of circuit diagram)
• No functions. after a while.
• Resistor R515 becomes defective. (part of circuit diagram displayed)
• Vertical or horizontal picture shaking both when hot and cold. (with circuit diagram extract)
• No tuning.
• Afterglow on deflection tube after switch off. (54328080 SCHAUBLORENZ repair tip)
• Dark picture. intermittently.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• No colour (intermittently).
• Poor line and picture synchronisation when cold.
• Control unit processor is defective. (with circuit diagram extract)
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Flashing picture. (with circuit diagram extract)
• Horizontal synchronisation fault, picture shifted towards left side. (with circuit diagram extract)
• No start-up from standby.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately. (service info for SCHAUBLORENZ -54328080)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Picture shifted to the left. Alignment works normally. (with circuit diagram extract)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Coloured lines (RGB test lines) in top of picture.
• No picture content. Picture is greyish. (extract of circuit diagram attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective. (54328080 tips)
• Brightness differs between left and right hand side of the screen.
• Noise in picture. Poor horizontal synchronisation.
• Illegible display. (part of circuit diagram displayed)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• 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)
• Intermittent no image or yellow colouring. Knock sensitive. (extract of circuit diagram attached)
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (part of circuit diagram displayed)
• No tuning. only on certain channels. Dark screen. on the right.
• Output transistor (S2000) fails when started from cold.
• Unclear picture with Hum content.
• Vertical IC fails. (with circuit diagram extract)
• NICAM is missing.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• AV correction.
• Picture collapse on half of the picture.
• Picture tearing. (54328080 SCHAUBLORENZ repair tip)
• Intermittently line tearing in the middle (approx. 20cm wide). (with circuit diagram extract)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (extract of circuit diagram attached)
• High voltage transistor (S2000) defective. (picture attached) (54328080 tip from SCHAUBLORENZ)
• Vertical and horizontal synchronisation available only after 2 mins.
• White screen. Flyback lines.
• Does not switch to standby. (with circuit diagram extract)
• Poor PSU start up. Severe crackle in the loudspeaker. (service info for SCHAUBLORENZ -54328080)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (+ extract of circuit diagram)
• No TXT.
• 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. (54328080 tip from SCHAUBLORENZ)
• Dark picture.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• At switch on appliance pulsated then reverts to standby again.
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (with circuit diagram extract)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• 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) (SCHAUBLORENZ - 54328080 information)
• No picture. No audio. (extract of circuit diagram attached)
• Vertical jitter. when cold. (SCHAUBLORENZ - 54328080 information)
• Picture shifted to the left, too small and not adjustable. (picture attached)
• Power supply hiccups.
• The picture is too large and wavers.
• Picture shifted to the left. (with circuit diagram extract)
• When TV started up, transistor (S2000AF) instantly burn out. (picture attached)
• Does not switch ON. No power light showing. (54328080 tips)
• No synchronisation during the first few mins. (+ extract of circuit diagram)
• Sound channel 1 and 2 voltage level adjustment.
• Stuck in standby; RC ineffective. Stanby LED flickers. (picture attached)
• Bright vertical stripes. No picture content. Sound OK. (extract of circuit diagram attached)
• Distorted picture. on the right. (part of circuit diagram displayed)
• Pincushion distortion.
• Picture with vertical and horizontal lines (when cold).
• Switches off completely after switch on. No standby function. (picture attached)
• Eliminate safety mode of PSU.
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (with circuit diagram extract)
• Poor vertical linearity at the bottom, also E/W error.
• Transistor T701 fails when appliance is switched off and on.
• Centre of snowy picture is darker than edges. (part of circuit diagram displayed)
• 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. (service info for SCHAUBLORENZ -54328080)
• Lines in picture.
• No functions. Red LED does not flash. (service info for SCHAUBLORENZ -54328080)
• 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.
• Blue, vertical stripe in the right third of the picture.
• DF-AF adjustment.
• HV builds up briefly and then shuts down
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• Insufficient picture heigth (10cm) and severe linear distortion.
• Cycles on/off.
• Picture is too wide. E/W distorted.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Random operation commands.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (part of circuit diagram displayed)
• No start up after changing IC601. Nothing lights up on the front.
• Brightness varies. E/W fault. intermittently.
• No vertical deflection. intermittently.
• Line transistor S2000AF defective at switch on from cold. (picture attached)
• Left picture side is brighter, even via AV. (with circuit diagram extract)
• 88 shown on LED display. (SCHAUBLORENZ - 54328080 information)
• Shuts down. (part of circuit diagram displayed)
• Excessive brightness. Flyback lines. (part of circuit diagram displayed)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Loses sync at start-up for a few minutes.
• Horizontal jitter. Vertical jitter. (with circuit diagram extract)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (part of circuit diagram displayed) (54328080 tips)
• 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. (54328080 SCHAUBLORENZ repair tip)
• No HV.
• PSU starts briefly, then no more HV. (picture attached)
• Only snow in the picture, after changing the tuner the fault is still there.
• T501 fails repeatedly.
• Horizontal shaking. when cold.
• LED lights up briefly then nothing more.
• Builds up high voltage for a short time and then switches off. (with circuit diagram extract)
• Long picture at start up, black screen with rainbow spots.
• Horizontal stripe. in the centre.
• Starts with noise (approx. 2-3 seconds), then it operates normally. (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.
• No start-up. (+ extract of circuit diagram)
• Blanking interval on left side of picture, colour flickers and screen dark after a while. (54328080 SCHAUBLORENZ repair tip)
• Power supply defective after a few days. (with circuit diagram extract)
• Pulsating picture. (picture attached)
• Picture is distorted and changes. Loss of colours. (+ extract of circuit diagram)
• Vertical, bright stripe faintly visible in the right third of the picture.
• Noise in the speakers and no start up or display on the front panel when switching on. (with circuit diagram extract)
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Does not go into text mode, mix mode is not possible.
• PSU can not be loaded with 60W incandescent lamp.
• Picture goes off after 1 minute; very low contrast, ok through scart. (+ extract of circuit diagram)
• PSU switches from standby to safety mode at switch on.
• No PSU start-up.
• The teletext contrast is considerably too high after installing the teletext decoder. (54328080 tips)
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Switches off immediately after plugging in mains. (picture attached)
• Hums at switch on, dies out slowly. (service info for SCHAUBLORENZ -54328080)
• Only standby LED lit. LED switches off at switch on then no function.
• Operation commands are not carried out.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• 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.
• Wavy vertical lines in the entire picture when cold. Picture jitters. (extract of circuit diagram attached)
• No tuning. Higher channels in band I/III/V are not received.
• High voltage build up for short time then PSU switches off. (extract of circuit diagram attached)
• Switches off when selecting a function via RC.
• Reduced contrast, especially on one side of the screen.
• Horizontal line.
• Remains in standby after changing power IC. (part of circuit diagram displayed)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Standby display lights up briefly, then no function.
• Black picture. Sound OK. Picture is OK after restart. (with circuit diagram extract)
• Bright picture. on the right. Dark picture. on the left. (with circuit diagram extract) (service info for SCHAUBLORENZ -54328080)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Dead. after start-up.
• Distorted vertical linearity. Barrel distortion. (extract of circuit diagram attached)
• No synchronisation (after start-up). (extract of circuit diagram attached)
• Only blue light at right in picture.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (extract of circuit diagram attached)
• Intermittent block.