54318820 / SCHAUBLORENZ [TV (Standard)]

• 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)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (+ extract of circuit diagram)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (picture attached)
• Cycles on/off.
• Dark screen, only diffuse glow.
• Poor adjustment of horizontal picture centering. (extract of circuit diagram attached)
• Horizontal white line.
• No colour (intermittently).
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (+ extract of circuit diagram)
• Power supply defective after a few days. (with circuit diagram extract)
• E/W-fault.
• Operation commands are not carried out.
• 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.
• Stuck in standby.
• Wavy vertical lines in the entire picture when cold. Picture jitters. (picture attached)
• Sound channel 1 and 2 voltage level adjustment.
• Dead.
• Comes on for a short time. (picture attached)
• Unusual TXT.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (extract of circuit diagram attached)
• Control unit processor is defective. (with circuit diagram extract)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Bright picture. on the right. Dark picture. on the left. (picture attached)
• Dark picture. Stripes after a while. OK after warm-up. (extract of circuit diagram attached)
• Excessive brightness. in the centre. (with circuit diagram extract)
• No picture. Audio OK . (+ extract of circuit diagram)
• Horizontal synchronisation fault, picture shifted towards left side. (extract of circuit diagram attached)
• 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.
• 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.
• Unstable horizontal picture.
• Picture shifted to the right. (54318820 SCHAUBLORENZ repair tip)
• Shuts down. (+ extract of circuit diagram)
• Picture only appears about 3 mins after switch on, when appliance is cold.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• No synchronisation (after start-up). (+ extract of circuit diagram)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Goes into safety mode at switch on. If FBT is unsoldered then HT is re-established. No apparent S/C in secondary of FBT. (picture attached)
• Slow start-up. when cold. (picture attached)
• Poor vertical linearity at the bottom, also E/W error.
• Does not go into text mode, mix mode is not possible.
• No HT output from power supply. OK in standby. (extract of circuit diagram attached)
• Vertical collapse. (part of circuit diagram displayed)
• No picture. Hum in audio. (54318820 tip from SCHAUBLORENZ)
• White point when switching off with ON/OFF switch. No point in standby.
• PSU switches from standby to safety mode at switch on.
• HV arcing. (+ extract of circuit diagram)
• Double picture.
• Tripping.
• Resistor R775 is defective. (54318820 SCHAUBLORENZ repair tip)
• No vertical deflection. Horizontal line. Audio OK . (+ extract of circuit diagram)
• Buzzing at start-up.
• Line frequency changes downward (squeaking, whistling).
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• NICAM is missing.
• High voltage runs high. Flashover all over.
• 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.
• Black vertical bars on picture, mostly visible in AV with no video source. (with circuit diagram extract)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• 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.
• Enter service mode.
• Vertical or horizontal picture shaking both when hot and cold. (+ extract of circuit diagram)
• Resistor R515 becomes defective. (extract of circuit diagram attached)
• Picture tearing.
• Programming menu can not be accessed. (with circuit diagram extract)
• 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 shifted to the left. (+ extract of circuit diagram)
• Vertical lines. No colour. after a while.
• Does not switch on. Fluttering noise from the loudspeakers. (with circuit diagram extract) (service info for SCHAUBLORENZ -54318820)
• 88 shown on LED display.
• Output transistor (S2000) fails when started from cold.
• After approx 20 mins colour TV switches off.
• Intermittent block.
• Distorted picture. on the right. (part of circuit diagram displayed)
• No start-up (when cold).
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (with circuit diagram extract)
• Dark picture.
• Flashing picture. (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 attached)
• Black picture. Sound OK. Picture is OK after restart. (part of circuit diagram displayed)
• No horizontal synchronisation. at start-up. (extract of circuit diagram attached)
• Blank raster.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (part of circuit diagram displayed)
• Noise in audio. (+ extract of circuit diagram)
• No HV. (SCHAUBLORENZ - 54318820 information)
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Does not go into TXT mode. Mixed mode possible.
• Wavy picture. at top. (picture attached)
• Line synchronisation available only after 2 mins.
• No functions.
• Long picture at start up, black screen with rainbow spots. (54318820 SCHAUBLORENZ repair tip)
• At Power On standby LED switches off immediately after switching on.
• 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 attached)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Programmes change by themselves. RC is OK.
• Erratic functions. (picture attached)
• Picture and sound missing. Via scart socket with video recorder OK (+ extract of circuit diagram)
• Bright vertical stripes. No picture content. Sound OK. (with circuit diagram extract)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• Will not select text, or will only select mix or full text but not both, various other functions faulty. (54318820 tips)
• High voltage build up for short time then PSU switches off. (part of circuit diagram displayed)
• HV appears briefly and then disappears. (extract of circuit diagram attached)
• Picture is too wide. E/W distorted.
• 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.
• One side of picture is black.
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Picture with vertical and horizontal lines (when cold).
• The teletext contrast is considerably too high after installing the teletext decoder.
• Lines in picture. (service info for SCHAUBLORENZ -54318820)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (+ extract of circuit diagram)
• Can be switched to standby only if power plug is pulled out.
• Defective linearity.
• Afterglow on deflection tube after switch off.
• PSU can not be loaded with 60W incandescent lamp. (54318820 tips)
• Picture shifted horizontally. (+ extract of circuit diagram)
• PSU fails intermittently. (extract of circuit diagram attached)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (extract of circuit diagram attached)
• Only blue light at right in picture.
• No horizontal synchronisation. (picture attached)
• Vertical jitter. when cold.
• Line transformer starts up but no display, nothing on the screen and no sound. (part of circuit diagram displayed)
• Horizontal stripe. in the centre.
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (with circuit diagram extract)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Unclear picture with Hum content.
• Poor synchronisation. No picture. after a while.
• Control unit does not function. Does not switch on. (+ extract of circuit diagram)
• Blank screen with purple haze at left hand side. (with circuit diagram extract) (54318820 tips)
• Power supply seems to remain in safety mode. (+ extract of circuit diagram)
• Brightness differs between left and right hand side of the screen.
• Intermittently dead. (picture attached)
• Collapses at start up, then switches off. (service info for SCHAUBLORENZ -54318820)
• Random operation commands.
• Vertical line tearing. intermittently. (SCHAUBLORENZ - 54318820 information)
• Instructions on how to put appliance into Service-Mode.
• Dark screen. on the right. (+ extract of circuit diagram)
• Convex picture. Defective lower linearity. (+ extract of circuit diagram)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (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)
• Vertical curtain-like stripes which may be distributed over the entire screen. (with circuit diagram extract)
• Attempts to start with no result. (part of circuit diagram displayed)
• Reduced raster size. (picture attached)
• Reduced contrast, especially on one side of the screen.
• Illegible display. (extract of circuit diagram attached)
• Intermittently line tearing in the middle (approx. 20cm wide). (with circuit diagram extract)
• No PSU start-up.
• Remains in standby after changing power IC. (extract of circuit diagram attached) (54318820 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.
• Picture rolls. when cold. (part of circuit diagram displayed)
• Eliminate safety mode of PSU.
• Rattling noise or bubbling at start-up (when cold). (+ extract of circuit diagram)
• Unstable picture. (picture attached)
• Does not start from Standby.
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Excessive horizontal size. (part of circuit diagram displayed)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Distorted vertical linearity. Barrel distortion. (with circuit diagram extract)
• Insufficient picture heigth (10cm) and severe linear distortion.
• Slightly wavy picture in the middle of the screen. (part of circuit diagram displayed)
• Shadowing effect, left side of picture is brighter than the right one. (extract of circuit diagram attached)
• Blocked control processor.
• Stops after 5 seconds. No standby LED. (part of circuit diagram displayed)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Few segments of the display too bright. Doesn't respond to commands.
• Bright raster. Flyback lines.
• 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)
• Poor audio.
• No TXT (intermittently).
• 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)
• T501 fails repeatedly.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (extract of circuit diagram attached)
• EHT is heard starting up then everything stops 4 secs later.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (part of circuit diagram displayed)
• From a cold start line output stage transistor fails.
• Switches off completely after switch on. No standby function. (picture attached)
• Black bar on the right side of the screen. Similar to displacement. (part of circuit diagram displayed)
• Whenever a function is requested display lights up then switches off.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Display flashing and rattles at switch on. (+ extract of circuit diagram)
• No horizontal or vertical deflection.
• Picture goes off after 1 minute; very low contrast, ok through scart. (part of circuit diagram displayed)
• No picture content. Picture is greyish. (picture attached) (SCHAUBLORENZ - 54318820 information)
• No functions. Red LED does not flash.
• No raster sync in HF. Ok in scart. (part of circuit diagram displayed)
• Horizontal collapse. after a while. (extract of circuit diagram attached)
• No tuning. Higher channels in band I/III/V are not received. (54318820 tip from SCHAUBLORENZ)
• No picture. on lower half screen. (picture attached)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (with circuit diagram extract)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• LED lights up briefly then nothing more.
• Picture distorted, shifted upwards and a little bit too wide.
• No tuning.
• No synchronisation during the first few mins. (extract of circuit diagram attached)
• No picture (intermittently).
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (with circuit diagram extract)
• Picture appears slowly. (+ extract of circuit diagram)
• Horizontal jitter. when cold. (54318820 tips)
• Does not switch to standby. (extract of circuit diagram attached)
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Blue, vertical stripe in the right third of the picture.
• Picture shifted to the left. Alignment works normally. (with circuit diagram extract)
• Dark picture. on the right. (picture attached)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (picture attached)
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• PSU is defective. 300V is present.
• Pulsating picture. (part of circuit diagram displayed)
• Approx 20cm wide dark area in centre of picture and line tearing. (54318820 tip from SCHAUBLORENZ)
• Standby display lights up briefly, then no function.
• No picture. No audio. (extract of circuit diagram attached)
• Picture shifted to the left, too small and not adjustable. (extract of circuit diagram attached)
• Picture collapse on half of the picture.
• Line BU is abnormally hot.
• High voltage transistor (S2000) defective. (picture attached) (service info for SCHAUBLORENZ -54318820)
• Poor PSU start-up or BU defective. (picture attached)
• Picture too big. (part of circuit diagram displayed)
• PSU doesn't start-up or only after a while. Cracking sound.
• Black screen. Display flashes once at switch on.
• Picture is distorted and changes. Loss of colours. (+ extract of circuit diagram)
• Pincushion distortion.
• 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. (with circuit diagram extract)
• Builds up high voltage for a short time and then switches off. (with circuit diagram extract)
• White screen. Flyback lines.
• Excessive vertical size. Vertical foldover at bottom.
• Vertical, bright stripe faintly visible in the right third of the picture.
• Only standby LED lit. LED switches off at switch on then no function.
• Poor PSU start up. Severe crackle in the loudspeaker.
• HV builds up briefly and then shuts down
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Brightness varies. E/W fault. intermittently.
• Line tearing. at top. (extract of circuit diagram attached)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (with circuit diagram extract)
• No TXT.
• Line tearing. (with circuit diagram extract)
• No E/W correction. (with circuit diagram extract) (SCHAUBLORENZ - 54318820 information)
• No start up, no standby light, variable voltage on pin 16 of IC701. (extract of circuit diagram attached)
• Only snow in the picture, after changing the tuner the fault is still there.
• Noise in the speakers and no start up or display on the front panel when switching on. (part of circuit diagram displayed)
• No tuning. only on certain channels. Dark screen. on the right.
• Dark screen at start up. Line transformer ok with flyback lines. Top 2 or 3 lines ok. In PB apparently functions around the IC TDA8372A. (part of circuit diagram displayed)
• No colour.
• Very slight flickering with a light picture. (picture attached)
• Low brightness. Picture too big.
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Picture amplitude is too weak.
• Poor line and picture synchronisation when cold.
• Centre of snowy picture is darker than edges. (with circuit diagram extract)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (picture attached)
• Transistor T701 fails when appliance is switched off and on.
• No functions. after a while.
• No start-up. (part of circuit diagram displayed)
• E/W fault. (+ extract of circuit diagram)
• 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)
• Switches to protection mode. at start-up. (extract of circuit diagram attached)
• Horizontal shaking. when cold.
• Power supply hiccups.
• Dead. after start-up.
• 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.
• Blue screen. Flyback lines. Audio OK .
• At switch on appliance pulsated then reverts to standby again.
• Left picture side is brighter, even via AV. (+ extract of circuit diagram)
• No start up after changing FBT and constant whistling noise. (picture attached)
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (part of circuit diagram displayed)
• Dark picture. intermittently.
• AV correction.
• When TV started up, transistor (S2000AF) instantly burn out. (extract of circuit diagram attached)
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (+ extract of circuit diagram)
• Horizontal line.
• No start-up from standby.
• DF-AF adjustment.
• Horizontal jitter. Vertical jitter. (with circuit diagram extract) (54318820 tip from SCHAUBLORENZ)
• Hum bars, especially on yellow or orange background. (54318820 tips)
• Switches to standby (intermittently).
• Vertical IC fails. (+ extract of circuit diagram)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Picture is out of alignment horizontally. 10cm black bar on the right. (extract of circuit diagram attached)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (with circuit diagram extract)
• Excessive brightness. Flyback lines. (extract of circuit diagram attached)
• Noise in picture. Poor horizontal synchronisation. (54318820 SCHAUBLORENZ repair tip)
• Switches off immediately after plugging in mains. (extract of circuit diagram attached)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• PSU doesn't start up when cold. (part of circuit diagram displayed)
• Vertical and horizontal synchronisation available only after 2 mins.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• Too wide picture and East/West pincushion curving outward. (part of circuit diagram displayed)
• Loud noise. at start-up.
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (+ extract of circuit diagram)
• E/W trapezium does not function. (SCHAUBLORENZ - 54318820 information)
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (picture attached)
• NICAM check.
• Stuck in standby; RC ineffective. Stanby LED flickers. (picture attached)
• Does not fully go to TXT or only blue mix TXT. (extract of circuit diagram attached)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Coloured lines (RGB test lines) in top of picture. (SCHAUBLORENZ - 54318820 information)
• 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. (SCHAUBLORENZ - 54318820 information)
• Line transistor S2000AF defective at switch on from cold. (+ extract of circuit diagram)
• Halts at switch on when cold. No start up. OK after a few attempts. (part of circuit diagram displayed)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (picture attached)
• Loses sync at start-up for a few minutes.
• Excessive HV. (+ extract of circuit diagram)
• Top third of screen has ragged vertical lines.
• FBT blows after a few mins. (picture attached)
• Switches off when selecting a function via RC.
• Hums at switch on. (+ extract of circuit diagram)
• Poor shading of picture, dark on one side and light on the other. (picture attached)
• Shuts down. after start-up. (extract of circuit diagram attached)
• Hums at switch on, dies out slowly.
• Intermittent no image or yellow colouring. Knock sensitive. (extract of circuit diagram attached)
• No vertical deflection. intermittently.
• PSU starts briefly, then no more HV. (extract of circuit diagram attached)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (picture attached)
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely. (54318820 SCHAUBLORENZ repair tip)
• The picture is too large and wavers.
• Reduced vertical size.
• No control and cannot be switched off when started up from standby.
• Very pale picture which is shifted to the left. Voltage is correct. (with circuit diagram extract)
• No start up after changing IC601. Nothing lights up on the front.
• Picture shaking in a random direction. (picture attached)
• Does not switch ON. No power light showing. (54318820 tips)
• No audio (when cold).
• 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.