54332790 / SCHAUBLORENZ [TV (Standard)]

• No start-up from standby.
• No horizontal synchronisation. at start-up. (+ extract of circuit diagram)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (with circuit diagram extract)
• Excessive brightness. in the centre. (picture attached)
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Blocked control processor.
• Operation commands are not carried out.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears. (54332790 SCHAUBLORENZ repair tip)
• Dead. after start-up.
• PSU switches from standby to safety mode at switch on. (54332790 tips)
• No raster sync in HF. Ok in scart. (with circuit diagram extract) (SCHAUBLORENZ - 54332790 information)
• EHT is heard starting up then everything stops 4 secs later.
• 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.
• Random operation commands.
• No functions. Red LED does not flash. (54332790 tip from SCHAUBLORENZ)
• Long picture at start up, black screen with rainbow spots.
• Only standby LED lit. LED switches off at switch on then no function.
• Halts at switch on when cold. No start up. OK after a few attempts. (extract of circuit diagram attached)
• Slightly wavy picture in the middle of the screen. (extract of circuit diagram attached)
• Shuts down. after start-up. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54332790)
• No audio (when cold).
• At switch on appliance pulsated then reverts to standby again.
• 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) (54332790 tip from SCHAUBLORENZ)
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• High voltage runs high. Flashover all over.
• White screen. Flyback lines.
• Pulsating picture. (with circuit diagram extract)
• Poor vertical linearity at the bottom, also E/W error.
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Horizontal jitter. Vertical jitter. (extract of circuit diagram attached)
• No picture. Audio OK . (extract of circuit diagram attached)
• LED lights up briefly then nothing more.
• Poor audio.
• Vertical collapse. (part of circuit diagram displayed)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Does not go into text mode, mix mode is not possible.
• No TXT (intermittently).
• Starts with noise (approx. 2-3 seconds), then it operates normally. (part of circuit diagram displayed)
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Reduced vertical size.
• Too wide picture and East/West pincushion curving outward. (extract of circuit diagram attached)
• Centre of snowy picture is darker than edges. (with circuit diagram extract)
• Power supply seems to remain in safety mode. (+ extract of circuit diagram)
• Horizontal line.
• Eliminate safety mode of PSU. (54332790 SCHAUBLORENZ repair tip)
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Black vertical bars on picture, mostly visible in AV with no video source. (extract of circuit diagram attached)
• Whenever a function is requested display lights up then switches off.
• Resistor R515 becomes defective. (+ extract of circuit diagram)
• Control unit processor is defective. (extract of circuit diagram attached)
• Loud noise. at start-up.
• No start-up. (picture attached)
• Vertical jitter. when cold.
• Programming menu can not be accessed. (+ extract of circuit diagram)
• Picture shifted to the left. Alignment works normally. (part of circuit diagram displayed)
• Line transformer starts up but no display, nothing on the screen and no sound. (extract of circuit diagram attached)
• No synchronisation (after start-up). (+ extract of circuit diagram)
• Dark screen. on the right. (part of circuit diagram displayed)
• Picture shifted to the right.
• PSU fails intermittently. (picture attached) (54332790 tip from SCHAUBLORENZ)
• PSU starts briefly, then no more HV. (+ extract of circuit diagram)
• Dark picture.
• Does not switch to standby. (+ extract of circuit diagram)
• Line transistor S2000AF defective at switch on from cold. (with circuit diagram extract)
• Picture rolls. when cold. (part of circuit diagram displayed)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Horizontal collapse. after a while. (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.
• No tuning. Higher channels in band I/III/V are not received. (54332790 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. (with circuit diagram extract)
• E/W fault. (extract of circuit diagram attached)
• Collapses at start up, then switches off.
• Defective linearity.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Distorted vertical linearity. Barrel distortion. (picture attached)
• Blue, vertical stripe in the right third of the picture. (service info for SCHAUBLORENZ -54332790)
• Picture and sound missing. Via scart socket with video recorder OK (extract of circuit diagram attached)
• Attempts to start with no result. (extract of circuit diagram attached) (54332790 tip from SCHAUBLORENZ)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (with circuit diagram extract)
• No start up after changing IC601. Nothing lights up on the front.
• Power supply defective after a few days. (picture attached)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (with circuit diagram extract)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (+ extract of circuit diagram)
• Pincushion distortion.
• Excessive vertical size. Vertical foldover at bottom.
• No functions. after a while. (54332790 tip from SCHAUBLORENZ)
• Picture appears slowly. (picture attached)
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (with circuit diagram extract) (service info for SCHAUBLORENZ -54332790)
• Unstable horizontal picture.
• No horizontal synchronisation. (part of circuit diagram displayed)
• High voltage transistor (S2000) defective. (extract of circuit diagram attached)
• Builds up high voltage for a short time and then switches off. (extract of circuit diagram attached)
• No PSU start-up.
• Sound channel 1 and 2 voltage level adjustment.
• Only blue light at right in picture.
• At Power On standby LED switches off immediately after switching on.
• Picture too big. (extract of circuit diagram attached)
• Resistor R775 is defective.
• E/W-fault.
• One side of picture is black.
• Vertical, bright stripe faintly visible in the right third of the picture.
• Picture collapse on half of the picture. (service info for SCHAUBLORENZ -54332790)
• Power supply hiccups.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• Picture shifted to the left, too small and not adjustable. (extract of circuit diagram attached)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• At switch on, lights light up for an instant, voltage which ought to reach 145V increases to 60V but then goes back to 0V. (part of circuit diagram displayed)
• The teletext contrast is considerably too high after installing the teletext decoder.
• Display flashing and rattles at switch on. (with circuit diagram extract)
• Blank raster.
• Horizontal white line.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Remains in standby after changing power IC. (extract of circuit diagram attached)
• Standby display lights up briefly, then no function. (SCHAUBLORENZ - 54332790 information)
• 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) (54332790 tips)
• Horizontal shaking. when cold.
• Does not fully go to TXT or only blue mix TXT. (extract of circuit diagram attached)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (extract of circuit diagram attached)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• 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. (54332790 SCHAUBLORENZ repair tip)
• Vertical curtain-like stripes which may be distributed over the entire screen. (extract of circuit diagram attached)
• 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.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Poor adjustment of horizontal picture centering. (with circuit diagram extract)
• Picture is distorted and changes. Loss of colours. (+ extract of circuit diagram)
• Buzzing at start-up.
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (with circuit diagram extract)
• Switches off when selecting a function via RC.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (extract of circuit diagram attached)
• Picture shifted to the left. (part of circuit diagram displayed)
• Very pale picture which is shifted to the left. Voltage is correct. (picture attached)
• Noise in picture. Poor horizontal synchronisation.
• No vertical deflection. Horizontal line. Audio OK . (+ extract of circuit diagram)
• Picture shifted horizontally. (picture attached)
• No control and cannot be switched off when started up from standby.
• Intermittent block. (54332790 tip from SCHAUBLORENZ)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (part of circuit diagram displayed)
• Unusual TXT.
• Few segments of the display too bright. Doesn't respond to commands.
• Loses sync at start-up for a few minutes.
• Bright vertical stripes. No picture content. Sound OK. (+ extract of circuit diagram)
• Dark picture. Stripes after a while. OK after warm-up. (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. (part of circuit diagram displayed)
• Stops after 5 seconds. No standby LED. (extract of circuit diagram attached) (54332790 tip from SCHAUBLORENZ)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• No vertical deflection. intermittently.
• PSU doesn't start-up or only after a while. Cracking sound.
• Noise in audio. (extract of circuit diagram attached)
• Distorted picture. on the right. (+ extract of circuit diagram)
• Black picture. Sound OK. Picture is OK after restart. (picture attached) (54332790 SCHAUBLORENZ repair tip)
• Switches off completely after switch on. No standby function. (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. (SCHAUBLORENZ - 54332790 information)
• Impossible to adjust the horizontal synchronization. Picture has shifted 10cm to the left. TDA 8372A on pin 20 has already been replaced, sandcastle incorrect. Power supply is good. (with circuit diagram extract)
• Noise in the speakers and no start up or display on the front panel when switching on. (part of circuit diagram displayed)
• Rattling noise or bubbling at start-up (when cold). (+ 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)
• Does not start from Standby.
• No E/W correction. (part of circuit diagram displayed)
• Does not switch on. Fluttering noise from the loudspeakers. (with circuit diagram extract)
• Blank screen with purple haze at left hand side. (with circuit diagram extract)
• 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. (54332790 tips)
• No tuning. only on certain channels. Dark screen. on the right. (service info for SCHAUBLORENZ -54332790)
• DF-AF adjustment.
• No picture. No audio. (+ extract of circuit diagram)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Intermittently line tearing in the middle (approx. 20cm wide). (part of circuit diagram displayed)
• Line synchronisation available only after 2 mins.
• 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)
• Does not switch ON. No power light showing.
• Very slight flickering with a light picture. (part of circuit diagram displayed)
• Slow start-up. when cold. (extract of circuit diagram attached) (54332790 SCHAUBLORENZ repair tip)
• Dead.
• Bright picture. on the right. Dark picture. on the left. (part of circuit diagram displayed)
• Stuck in standby.
• Illegible display. (+ extract of circuit diagram)
• No horizontal or vertical deflection.
• Reduced raster size. (+ extract of circuit diagram) (54332790 tips)
• 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 -54332790)
• Can be switched to standby only if power plug is pulled out.
• PSU is defective. 300V is present.
• Switches off immediately after plugging in mains. (part of circuit diagram displayed)
• Does not go into TXT mode. Mixed mode possible.
• Only snow in the picture, after changing the tuner the fault is still there.
• Programmes change by themselves. RC is OK.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (with circuit diagram extract)
• Erratic functions. (extract of circuit diagram attached)
• From a cold start line output stage transistor fails.
• Vertical IC fails. (picture attached)
• Vertical lines. No colour. after a while.
• Horizontal jitter. when cold.
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (picture attached) (SCHAUBLORENZ - 54332790 information)
• NICAM is missing.
• 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.
• Comes on for a short time. (extract of circuit diagram attached)
• Poor line and picture synchronisation when cold.
• No functions.
• Double picture.
• Stuck in standby; RC ineffective. Stanby LED flickers. (part of circuit diagram displayed)
• 88 shown on LED display.
• Low brightness. Picture too big.
• Picture is too wide. E/W distorted.
• Intermittent no image or yellow colouring. Knock sensitive. (with circuit diagram extract)
• No picture content. Picture is greyish. (picture attached) (SCHAUBLORENZ - 54332790 information)
• NICAM check.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (with circuit diagram extract)
• Brightness differs between left and right hand side of the screen.
• HV appears briefly and then disappears. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54332790)
• Intermittently dead. (with circuit diagram extract)
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Picture amplitude is too weak.
• Poor synchronisation. No picture. after a while.
• Picture with vertical and horizontal lines (when cold).
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (extract of circuit diagram attached)
• No picture. on lower half screen. (part of circuit diagram displayed)
• No synchronisation during the first few mins. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -54332790)
• 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. (part of circuit diagram displayed)
• Unstable picture. (extract of circuit diagram attached)
• Line tearing. at top. (part of circuit diagram displayed)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Vertical line tearing. intermittently. (SCHAUBLORENZ - 54332790 information)
• Black screen. Display flashes once at switch on.
• FBT blows after a few mins. (with circuit diagram extract)
• The picture is too large and wavers. (54332790 tip from SCHAUBLORENZ)
• Brightness varies. E/W fault. intermittently.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Vertical and horizontal synchronisation available only after 2 mins.
• Poor shading of picture, dark on one side and light on the other. (+ extract of circuit diagram)
• No start up after changing FBT and constant whistling noise. (+ extract of circuit diagram)
• HV arcing. (+ extract of circuit diagram)
• E/W trapezium does not function.
• Excessive HV. (extract of circuit diagram attached)
• Shuts down. (+ extract of circuit diagram)
• Switches to standby (intermittently).
• No HV. (54332790 tip from SCHAUBLORENZ)
• Line frequency changes downward (squeaking, whistling). (54332790 tip from SCHAUBLORENZ)
• Reduced contrast, especially on one side of the screen.
• Horizontal synchronisation fault, picture shifted towards left side. (extract of circuit diagram attached)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Shadowing effect, left side of picture is brighter than the right one. (with circuit diagram extract)
• Coloured lines (RGB test lines) in top of picture.
• Output transistor (S2000) fails when started from cold.
• 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)
• At the top edge of the picture an unusual stain effect appears and line tearing. (54332790 tips)
• Transistor T701 fails when appliance is switched off and on.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (with circuit diagram extract)
• Enter service mode.
• Poor PSU start-up or BU defective. (extract of circuit diagram attached)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• AV correction.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Poor PSU start up. Severe crackle in the loudspeaker.
• Dark picture. intermittently.
• Left picture side is brighter, even via AV. (extract of circuit diagram attached)
• Horizontal stripe. in the centre.
• Picture distorted, shifted upwards and a little bit too wide.
• No TXT.
• Control unit does not function. Does not switch on. (part of circuit diagram displayed)
• Top third of screen has ragged vertical lines.
• Line tearing. (with circuit diagram extract)
• 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.
• Lines in picture.
• Afterglow on deflection tube after switch off.
• 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.
• Picture is out of alignment horizontally. 10cm black bar on the right. (part of circuit diagram displayed)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• No start-up (when cold).
• Insufficient picture heigth (10cm) and severe linear distortion.
• Convex picture. Defective lower linearity. (picture attached)
• HV builds up briefly and then shuts down
• When TV started up, transistor (S2000AF) instantly burn out. (with circuit diagram extract)
• Black bar on the right side of the screen. Similar to displacement. (+ extract of circuit diagram)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (picture attached) (54332790 tip from SCHAUBLORENZ)
• 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. (54332790 SCHAUBLORENZ repair tip)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (part of circuit diagram displayed)
• 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)
• PSU can not be loaded with 60W incandescent lamp.
• Dark picture. on the right. (extract of circuit diagram attached)
• PSU doesn't start up when cold. (extract of circuit diagram attached)
• 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. (picture attached)
• Unclear picture with Hum content.
• No picture (intermittently).
• Tripping.
• Hums at switch on, dies out slowly.
• Wavy picture. at top. (extract of circuit diagram attached)
• Blue screen. Flyback lines. Audio OK .
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm. (SCHAUBLORENZ - 54332790 information)
• Switches to protection mode. at start-up. (+ extract of circuit diagram)
• Cycles on/off.
• No colour.
• Vertical or horizontal picture shaking both when hot and cold. (with circuit diagram extract)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (extract of circuit diagram attached)
• Excessive brightness. Flyback lines. (part of circuit diagram displayed)
• High voltage build up for short time then PSU switches off. (part of circuit diagram displayed)
• Bright raster. Flyback lines.
• White point when switching off with ON/OFF switch. No point in standby.
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Flashing picture. (part of circuit diagram displayed)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Line BU is abnormally hot.
• Dark screen, only diffuse glow.
• 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)
• Picture shaking in a random direction. (part of circuit diagram displayed)
• 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 goes off after 1 minute; very low contrast, ok through scart. (part of circuit diagram displayed)
• No HT output from power supply. OK in standby. (picture attached)
• Instructions on how to put appliance into Service-Mode.
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (picture attached)
• Picture tearing.
• Hum bars, especially on yellow or orange background.
• 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)
• 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)
• 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.
• T501 fails repeatedly.
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract)
• No picture. Hum in audio.
• Approx 20cm wide dark area in centre of picture and line tearing.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (picture attached)
• Hums at switch on. (picture attached)
• Excessive horizontal size. (with circuit diagram extract)
• No tuning.
• No colour (intermittently).