54326790 / SCHAUBLORENZ [TV (Standard)]

• 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.
• Loud noise. at start-up. (54326790 tip from SCHAUBLORENZ)
• Excessive brightness. Flyback lines. (part of circuit diagram displayed)
• Poor shading of picture, dark on one side and light on the other. (picture attached)
• Erratic functions. (extract of circuit diagram attached)
• Power supply defective after a few days. (+ extract of circuit diagram)
• Excessive vertical size. Vertical foldover at bottom.
• Black bar on the right side of the screen. Similar to displacement. (picture attached)
• No start-up. (picture attached) (54326790 tips)
• Unusual TXT.
• Only standby LED lit. LED switches off at switch on then no function.
• Very slight flickering with a light picture. (extract of circuit diagram attached)
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Bright picture. on the right. Dark picture. on the left. (picture attached)
• Does not start from Standby.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• E/W-fault.
• Blank screen with purple haze at left hand side. (extract of circuit diagram attached) (SCHAUBLORENZ - 54326790 information)
• From a cold start line output stage transistor fails.
• Blocked control processor.
• Line tearing. (extract of circuit diagram attached)
• Horizontal collapse. after a while. (with circuit diagram extract)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (picture attached)
• Noise in the speakers and no start up or display on the front panel when switching on. (+ extract of circuit diagram)
• Centre of snowy picture is darker than edges. (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.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• Line tearing. at top. (picture attached)
• No functions. Red LED does not flash.
• Bright raster. Flyback lines.
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (with circuit diagram extract)
• At switch on appliance pulsated then reverts to standby again.
• Eliminate safety mode of PSU.
• Dark picture. on the right. (picture attached) (54326790 tips)
• No picture. on lower half screen. (extract of circuit diagram attached)
• Vertical, bright stripe faintly visible in the right third of the picture. (SCHAUBLORENZ - 54326790 information)
• No functions.
• Blank raster.
• Noise in picture. Poor horizontal synchronisation.
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (+ extract of circuit diagram)
• Stuck in standby; RC ineffective. Stanby LED flickers. (part of circuit diagram displayed)
• No picture. No audio. (extract of circuit diagram attached)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (picture attached)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Blue, vertical stripe in the right third of the picture.
• Picture distorted, shifted upwards and a little bit too wide.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Slightly wavy picture in the middle of the screen. (+ extract of circuit diagram)
• NICAM check.
• Poor PSU start up. Severe crackle in the loudspeaker.
• Loses sync at start-up for a few minutes.
• Black vertical bars on picture, mostly visible in AV with no video source. (extract of circuit diagram attached)
• Horizontal jitter. Vertical jitter. (+ extract of circuit diagram)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (picture attached)
• HV builds up briefly and then shuts down
• 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)
• Can be switched to standby only if power plug is pulled out.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Lines in picture.
• Picture appears slowly. (with circuit diagram extract)
• 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. (with circuit diagram extract)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (part of circuit diagram displayed) (54326790 tip from SCHAUBLORENZ)
• Vertical collapse. (+ extract of circuit diagram)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• No vertical deflection. Horizontal line. Audio OK . (extract of circuit diagram attached)
• Cycles on/off.
• White point when switching off with ON/OFF switch. No point in standby.
• Comes on for a short time. (extract of circuit diagram attached)
• PSU switches from standby to safety mode at switch on. (54326790 SCHAUBLORENZ repair tip)
• Power supply seems to remain in safety mode. (extract of circuit diagram attached)
• NICAM is missing.
• The teletext contrast is considerably too high after installing the teletext decoder.
• Dark picture. Stripes after a while. OK after warm-up. (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.
• Poor line and picture synchronisation when cold.
• Excessive horizontal size. (+ extract of circuit diagram)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (+ extract of circuit diagram)
• No control and cannot be switched off when started up from standby.
• Programmes change by themselves. RC is OK. (54326790 SCHAUBLORENZ repair tip)
• 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.
• Reduced contrast, especially on one side of the screen.
• Line synchronisation available only after 2 mins.
• No colour (intermittently).
• Picture is too wide. E/W distorted.
• Remains in standby after changing power IC. (picture attached)
• Transistor T701 fails when appliance is switched off and on. (SCHAUBLORENZ - 54326790 information)
• Vertical or horizontal picture shaking both when hot and cold. (+ extract of circuit diagram)
• Hums at switch on. (part of circuit diagram displayed)
• Very pale picture which is shifted to the left. Voltage is correct. (+ extract of circuit diagram)
• FBT blows after a few mins. (+ extract of circuit diagram)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (with circuit diagram extract)
• Horizontal shaking. when cold.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Collapses at start up, then switches off.
• Vertical and horizontal synchronisation available only after 2 mins.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Bright vertical stripes. No picture content. Sound OK. (+ extract of circuit diagram)
• White screen. Flyback lines.
• HV appears briefly and then disappears. (picture attached) (54326790 tip from SCHAUBLORENZ)
• Pulsating picture. (extract of circuit diagram attached)
• E/W trapezium does not function.
• Approx 20cm wide dark area in centre of picture and line tearing.
• Horizontal line.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• No TXT (intermittently).
• Intermittently line tearing in the middle (approx. 20cm wide). (picture attached)
• No picture content. Picture is greyish. (with circuit diagram extract)
• LED lights up briefly then nothing more.
• Afterglow on deflection tube after switch off.
• One side of picture is black.
• Too wide picture and East/West pincushion curving outward. (extract of circuit diagram attached)
• Distorted picture. on the right. (with circuit diagram extract)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (extract of circuit diagram attached)
• No horizontal synchronisation. (with circuit diagram extract)
• No picture. Hum in audio.
• Dark picture.
• No HV.
• 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)
• Dark picture. intermittently.
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Poor audio. (54326790 tips)
• Brightness differs between left and right hand side of the screen.
• AV correction. (SCHAUBLORENZ - 54326790 information)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Output transistor (S2000) fails when started from cold.
• Enter service mode.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Black screen. Display flashes once at switch on.
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (picture attached)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• No vertical deflection. intermittently.
• Hums at switch on, dies out slowly.
• Switches to standby (intermittently).
• Top third of screen has ragged vertical lines.
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (+ extract of circuit diagram)
• No start up after changing FBT and constant whistling noise. (+ extract of circuit diagram)
• Horizontal jitter. when cold. (54326790 SCHAUBLORENZ repair tip)
• Tripping.
• E/W fault. (with circuit diagram extract)
• Switches off completely after switch on. No standby function. (extract of circuit diagram attached)
• Picture goes off after 1 minute; very low contrast, ok through scart. (with circuit diagram extract)
• Does not switch ON. No power light showing.
• Poor synchronisation. No picture. after a while.
• 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)
• 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.
• Double picture.
• Attempts to start with no result. (extract of circuit diagram attached)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (picture attached)
• 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.
• Does not go into TXT mode. Mixed mode possible.
• No tuning. Higher channels in band I/III/V are not received.
• No start-up (when cold). (service info for SCHAUBLORENZ -54326790)
• No HT output from power supply. OK in standby. (with circuit diagram extract)
• After approx 20 mins colour TV switches 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 amplitude is too weak. (54326790 tip from SCHAUBLORENZ)
• Intermittent block.
• Excessive HV. (picture attached)
• Horizontal synchronisation fault, picture shifted towards left side. (picture attached)
• No picture. Audio OK . (+ extract of circuit diagram)
• Builds up high voltage for a short time and then switches off. (extract of circuit diagram attached)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (part of circuit diagram displayed)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (+ extract of circuit diagram)
• 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.
• Power supply hiccups.
• Shadowing effect, left side of picture is brighter than the right one. (extract of circuit diagram attached)
• No TXT. (54326790 tips)
• The picture is too large and wavers.
• Poor PSU start-up or BU defective. (part of circuit diagram displayed)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• When appliance receives in Nicam stereo, the TV goes into PAL.
• PSU starts briefly, then no more HV. (with circuit diagram extract)
• PSU is defective. 300V is present.
• 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)
• No start up, no standby light, variable voltage on pin 16 of IC701. (picture attached)
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (picture attached)
• Defective linearity.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (picture attached)
• No horizontal synchronisation. at start-up. (picture attached) (54326790 SCHAUBLORENZ repair tip)
• Line frequency changes downward (squeaking, whistling).
• 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.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Line transformer starts up but no display, nothing on the screen and no sound. (with circuit diagram extract) (service info for SCHAUBLORENZ -54326790)
• Excessive brightness. in the centre. (extract of circuit diagram attached)
• No tuning.
• Does not switch to standby. (extract of circuit diagram attached)
• Wavy picture. at top. (part of circuit diagram displayed)
• T501 fails repeatedly.
• Remains in standby. Starts up when wiper forced. 88 on display. No picture and no sound. Goes into standby as soon as switch is released. (extract of circuit diagram attached)
• Switches off immediately after plugging in mains. (part of circuit diagram displayed)
• Dead. (SCHAUBLORENZ - 54326790 information)
• When TV started up, transistor (S2000AF) instantly burn out. (part of circuit diagram displayed)
• EHT is heard starting up then everything stops 4 secs later.
• Brightness varies. E/W fault. intermittently.
• Switches off when selecting a function via RC.
• Does not switch on. Fluttering noise from the loudspeakers. (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. (picture attached)
• Illegible display. (part of circuit diagram displayed) (SCHAUBLORENZ - 54326790 information)
• DF-AF adjustment.
• Vertical lines. No colour. after a while.
• At Power On standby LED switches off immediately after switching on. (SCHAUBLORENZ - 54326790 information)
• Convex picture. Defective lower linearity. (extract of circuit diagram attached)
• Intermittent no image or yellow colouring. Knock sensitive. (extract of circuit diagram attached)
• Picture collapse on half of the picture.
• Stops after 5 seconds. No standby LED. (picture attached)
• 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)
• Programming menu can not be accessed. (picture attached)
• Noise in audio. (with circuit diagram extract)
• Black picture. Sound OK. Picture is OK after restart. (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.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• No E/W correction. (picture attached)
• Stuck in standby.
• 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.
• Sound channel 1 and 2 voltage level adjustment.
• High voltage build up for short time then PSU switches off. (+ extract of circuit diagram)
• Goes into safety mode at switch on. If FBT is unsoldered then HT is re-established. No apparent S/C in secondary of FBT. (part of circuit diagram displayed)
• Vertical curtain-like stripes which may be distributed over the entire screen. (with circuit diagram extract)
• Line BU is abnormally hot. (54326790 SCHAUBLORENZ repair tip)
• Picture too big. (part of circuit diagram displayed)
• Picture is out of alignment horizontally. 10cm black bar on the right. (picture attached) (54326790 SCHAUBLORENZ repair tip)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (+ extract of circuit diagram)
• Control unit does not function. Does not switch on. (+ extract of circuit diagram)
• Picture tearing.
• Picture rolls. when cold. (part of circuit diagram displayed)
• Only blue light at right in picture. (54326790 tips)
• Slow start-up. when cold. (picture attached)
• Shuts down. after start-up. (part of circuit diagram displayed)
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Picture with vertical and horizontal lines (when cold). (SCHAUBLORENZ - 54326790 information)
• Does not go into text mode, mix mode is not possible.
• PSU doesn't start up when cold. (+ extract of circuit diagram)
• Buzzing at start-up.
• Coloured lines (RGB test lines) in top of picture. (SCHAUBLORENZ - 54326790 information)
• Operation commands are not carried out.
• Insufficient picture heigth (10cm) and severe linear distortion.
• Random operation commands.
• Standby display lights up briefly, then no function.
• Resistor R775 is defective.
• Intermittently dead. (extract of circuit diagram attached)
• Vertical line tearing. intermittently.
• No colour.
• Horizontal white line.
• Line transistor S2000AF defective at switch on from cold. (part of circuit diagram displayed)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (extract of circuit diagram attached)
• Picture shaking in a random direction. (extract of circuit diagram attached)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (extract of circuit diagram attached)
• High voltage runs high. Flashover all over.
• Few segments of the display too bright. Doesn't respond to commands.
• Picture shifted horizontally. (+ extract of circuit diagram)
• Vertical jitter. when cold.
• PSU doesn't start-up or only after a while. Cracking sound.
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (with circuit diagram extract)
• Whenever a function is requested display lights up then switches off.
• Picture and sound missing. Via scart socket with video recorder OK (part of circuit diagram displayed)
• Horizontal stripe. in the centre. (54326790 tips)
• Pincushion distortion. (service info for SCHAUBLORENZ -54326790)
• Control unit processor is defective. (+ extract of circuit diagram)
• Dark screen. on the right. (+ extract of circuit diagram) (54326790 tip from SCHAUBLORENZ)
• Dark screen, only diffuse glow.
• Only snow in the picture, after changing the tuner the fault is still there.
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (with circuit diagram extract) (54326790 tip from SCHAUBLORENZ)
• Does not fully go to TXT or only blue mix TXT. (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.
• No raster sync in HF. Ok in scart. (extract of circuit diagram attached)
• No horizontal or vertical deflection.
• Picture shifted to the left, too small and not adjustable. (part of circuit diagram displayed)
• Blue screen. Flyback lines. Audio OK .
• No synchronisation (after start-up). (picture attached)
• Poor adjustment of horizontal picture centering. (extract of circuit diagram attached)
• Picture shifted to the left. (picture attached)
• Left picture side is brighter, even via AV. (+ extract of circuit diagram)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Picture is distorted and changes. Loss of colours. (picture attached)
• Halts at switch on when cold. No start up. OK after a few attempts. (picture attached)
• No PSU start-up.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Picture shifted to the right.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• Shuts down. (picture attached)
• No start up after changing IC601. Nothing lights up on the front.
• At the top edge of the picture an unusual stain effect appears and line tearing.
• 88 shown on LED display. (54326790 SCHAUBLORENZ repair tip)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• No tuning. only on certain channels. Dark screen. on the right. (54326790 tip from SCHAUBLORENZ)
• Unstable horizontal picture.
• Poor vertical linearity at the bottom, also E/W error.
• Vertical IC fails. (with circuit diagram extract) (54326790 tip from SCHAUBLORENZ)
• No audio (when cold).
• Distorted vertical linearity. Barrel distortion. (extract of circuit diagram attached)
• Low brightness. Picture too big.
• Picture shifted to the left. Alignment works normally. (+ extract of circuit diagram)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• Unstable picture. (with circuit diagram extract)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Hum bars, especially on yellow or orange background.
• Display flashing and rattles at switch on. (+ extract of circuit diagram)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54326790)
• No synchronisation during the first few mins. (+ extract of circuit diagram)
• No picture (intermittently).
• PSU fails intermittently. (extract of circuit diagram attached)
• Long picture at start up, black screen with rainbow spots.
• Rattling noise or bubbling at start-up (when cold). (extract of circuit diagram attached)
• Reduced vertical size.
• HV arcing. (+ 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)
• PSU can not be loaded with 60W incandescent lamp.
• No functions. after a while.
• No start-up from standby.
• Resistor R515 becomes defective. (extract of circuit diagram attached) (54326790 tips)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (+ extract of circuit diagram)
• Switches to protection mode. at start-up. (+ extract of circuit diagram)
• Reduced raster size. (+ extract of circuit diagram)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (with circuit diagram extract)
• 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)
• High voltage transistor (S2000) defective. (picture attached)
• Flashing picture. (with circuit diagram extract)
• Unclear picture with Hum content.
• Instructions on how to put appliance into Service-Mode.
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Dead. after start-up.
• Cuts out after switch on, soft hum from the speakers in standby mode.