54328171 / SCHAUBLORENZ [TV (Standard)]

• 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)
• 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.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Poor line and picture synchronisation when cold.
• 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)
• No HV.
• Vertical lines. No colour. after a while.
• Bright vertical stripes. No picture content. Sound OK. (picture attached) (SCHAUBLORENZ - 54328171 information)
• 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) (54328171 tip from SCHAUBLORENZ)
• Switches to protection mode. at start-up. (+ extract of circuit diagram) (54328171 SCHAUBLORENZ repair tip)
• PSU starts briefly, then no more HV. (picture attached)
• Brightness differs between left and right hand side of the screen.
• Line transistor S2000AF defective at switch on from cold. (+ extract of circuit diagram)
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (picture attached)
• Unclear picture with Hum content.
• Collapses at start up, then switches off.
• Shadowing effect, left side of picture is brighter than the right one. (extract of circuit diagram attached)
• Blue screen. Flyback lines. Audio OK .
• 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)
• Dead. after start-up.
• Picture appears slowly. (part of circuit diagram displayed)
• Picture distorted, shifted upwards and a little bit too wide.
• No tuning. only on certain channels. Dark screen. on the right.
• Horizontal jitter. when cold. (SCHAUBLORENZ - 54328171 information)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (+ extract of circuit diagram)
• PSU is defective. 300V is present.
• Power supply defective after a few days. (part of circuit diagram displayed)
• Comes on for a short time. (picture attached) (54328171 SCHAUBLORENZ repair tip)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• NICAM check.
• Blank screen with purple haze at left hand side. (picture attached)
• Only snow in the picture, after changing the tuner the fault is still there.
• No start-up (when cold).
• White screen. Flyback lines.
• Poor PSU start-up or BU defective. (extract of circuit diagram attached)
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Hums at switch on, dies out slowly.
• Unusual TXT.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• No PSU start-up.
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• No tuning. Higher channels in band I/III/V are not received.
• Poor synchronisation. No picture. after a while.
• Slow start-up. when cold. (with circuit diagram extract)
• Resistor R775 is defective.
• Dark picture. intermittently.
• At the top edge of the picture an unusual stain effect appears and line tearing. (54328171 SCHAUBLORENZ repair tip)
• Picture shifted horizontally. (extract of circuit diagram attached)
• Output transistor (S2000) fails when started from cold.
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (+ extract of circuit diagram)
• Insufficient picture heigth (10cm) and severe linear distortion.
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract)
• Vertical jitter. when cold.
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (picture attached)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (+ extract of circuit diagram)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• No audio (when cold).
• Pincushion distortion.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Picture goes off after 1 minute; very low contrast, ok through scart. (with circuit diagram extract)
• Distorted picture. on the right. (picture attached)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (extract of circuit diagram attached)
• No HT output from power supply. OK in standby. (part of circuit diagram displayed)
• Convex picture. Defective lower linearity. (extract of circuit diagram attached)
• Picture is too wide. E/W distorted.
• Picture too big. (part of circuit diagram displayed)
• Vertical curtain-like stripes which may be distributed over the entire screen. (+ extract of circuit diagram)
• Whenever a function is requested display lights up then switches off. (SCHAUBLORENZ - 54328171 information)
• PSU doesn't start up when cold. (extract of circuit diagram attached)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (+ extract of circuit diagram)
• Dark picture. Stripes after a while. OK after warm-up. (picture attached)
• Vertical IC fails. (part of circuit diagram displayed)
• Line frequency changes downward (squeaking, whistling).
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (part of circuit diagram displayed)
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (picture attached)
• Excessive HV. (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.
• Random operation commands.
• 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) (service info for SCHAUBLORENZ -54328171)
• When appliance receives in Nicam stereo, the TV goes into PAL. (54328171 tip from SCHAUBLORENZ)
• Coloured lines (RGB test lines) in top of picture.
• No synchronisation during the first few mins. (picture attached)
• No functions. Red LED does not flash.
• PSU doesn't start-up or only after a while. Cracking sound.
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (part of circuit diagram displayed)
• Stops after 5 seconds. No standby LED. (with circuit diagram extract)
• AV correction.
• When TV started up, transistor (S2000AF) instantly burn out. (part of circuit diagram displayed)
• Reduced contrast, especially on one side of the screen. (54328171 tip from SCHAUBLORENZ)
• No start up after changing IC601. Nothing lights up on the front.
• No horizontal or vertical deflection.
• Black picture. Sound OK. Picture is OK after restart. (with circuit diagram extract)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Excessive vertical size. Vertical foldover at bottom.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• Switches off immediately after plugging in mains. (part of circuit diagram displayed)
• No raster sync in HF. Ok in scart. (+ extract of circuit diagram)
• Operation commands are not carried out.
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (part of circuit diagram displayed)
• No picture. No audio. (extract of circuit diagram attached)
• Intermittent no image or yellow colouring. Knock sensitive. (extract of circuit diagram attached)
• No colour (intermittently).
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• From a cold start line output stage transistor fails.
• Buzzing at start-up.
• DF-AF adjustment.
• Centre of snowy picture is darker than edges. (+ extract of circuit diagram)
• 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.
• Loses sync at start-up for a few minutes. (service info for SCHAUBLORENZ -54328171)
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Picture amplitude is too weak.
• No picture content. Picture is greyish. (with circuit diagram extract)
• Intermittently line tearing in the middle (approx. 20cm wide). (picture attached)
• Does not switch on. Fluttering noise from the loudspeakers. (part of circuit diagram displayed)
• Unstable picture. (picture attached)
• Black screen. Display flashes once at switch on.
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Resistor R515 becomes defective. (with circuit diagram extract) (54328171 SCHAUBLORENZ repair tip)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (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. (picture attached)
• Power supply seems to remain in safety mode. (picture attached) (service info for SCHAUBLORENZ -54328171)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• 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 is distorted and changes. Loss of colours. (part of circuit diagram displayed)
• Halts at switch on when cold. No start up. OK after a few attempts. (picture attached)
• No TXT (intermittently).
• Dark picture. on the right. (extract of circuit diagram attached)
• PSU switches from standby to safety mode at switch on. (54328171 tips)
• No horizontal synchronisation. (with circuit diagram extract)
• Defective linearity.
• E/W fault. (picture attached)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Excessive brightness. in the centre. (extract of circuit diagram attached)
• Vertical and horizontal synchronisation available only after 2 mins.
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Poor audio.
• Poor PSU start up. Severe crackle in the loudspeaker.
• Horizontal line.
• 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.
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Noise in audio. (part of circuit diagram displayed)
• Very pale picture which is shifted to the left. Voltage is correct. (extract of circuit diagram attached)
• Line tearing. (with circuit diagram extract)
• Bright picture. on the right. Dark picture. on the left. (picture attached)
• Picture is out of alignment horizontally. 10cm black bar on the right. (part of circuit diagram displayed)
• Very slight flickering with a light picture. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -54328171)
• Picture takes 15 secs. to appear. Sound ok and EHT present. (54328171 tips)
• Bright raster. Flyback lines.
• Instructions on how to put appliance into Service-Mode.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Double picture.
• Stuck in standby; RC ineffective. Stanby LED flickers. (extract of circuit diagram attached)
• Blank raster.
• Pulsating picture. (+ extract of circuit diagram)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (picture attached) (54328171 SCHAUBLORENZ repair tip)
• Horizontal white line.
• Distorted vertical linearity. Barrel distortion. (with circuit diagram extract)
• 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.
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Long picture at start up, black screen with rainbow spots.
• Black vertical bars on picture, mostly visible in AV with no video source. (+ extract of circuit diagram)
• No start up after changing FBT and constant whistling noise. (picture attached) (service info for SCHAUBLORENZ -54328171)
• 88 shown on LED display.
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (with circuit diagram extract)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (with circuit diagram extract)
• Dark screen. on the right. (with circuit diagram extract)
• PSU fails intermittently. (part of circuit diagram displayed) (54328171 tip from SCHAUBLORENZ)
• At Power On standby LED switches off immediately after switching on.
• Remains in standby after changing power IC. (part of circuit diagram displayed) (54328171 SCHAUBLORENZ repair tip)
• Dead.
• Tripping.
• Display flashing and rattles at switch on. (with circuit diagram extract)
• Switches to standby (intermittently).
• No start-up from standby. (54328171 tip from SCHAUBLORENZ)
• Can be switched to standby only if power plug is pulled out. (54328171 tips)
• Vertical, bright stripe faintly visible in the right third of the picture. (54328171 SCHAUBLORENZ repair tip)
• High voltage transistor (S2000) defective. (extract of circuit diagram attached)
• Programming menu can not be accessed. (part of circuit diagram displayed)
• No functions. after a while.
• White point when switching off with ON/OFF switch. No point in standby.
• No vertical deflection. intermittently.
• Builds up high voltage for a short time and then switches off. (with circuit diagram extract)
• Loud noise. at start-up. (service info for SCHAUBLORENZ -54328171)
• HV builds up briefly and then shuts down
• Picture and sound missing. Via scart socket with video recorder OK (with circuit diagram extract)
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (part of circuit diagram displayed)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (+ extract of circuit diagram)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• Vertical line tearing. intermittently.
• 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.
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• Excessive horizontal size. (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.
• After approx 20 mins colour TV switches off.
• Afterglow on deflection tube after switch off.
• Lines in picture.
• Brightness varies. E/W fault. intermittently.
• Dark screen, only diffuse glow.
• Does not switch ON. No power light showing.
• 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. (54328171 tip from SCHAUBLORENZ)
• No functions.
• Picture shifted to the right.
• PSU can not be loaded with 60W incandescent lamp.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• High voltage build up for short time then PSU switches off. (+ extract of circuit diagram)
• HV appears briefly and then disappears. (with circuit diagram extract)
• Blocked control processor. (54328171 tips)
• Flashing picture. (part of circuit diagram displayed)
• Illegible display. (with circuit diagram extract)
• Approx 20cm wide dark area in centre of picture and line tearing.
• Shuts down. after start-up. (part of circuit diagram displayed)
• Rattling noise or bubbling at start-up (when cold). (part of circuit diagram displayed)
• Picture collapse on half of the picture.
• PSU cannot be started from Stand By. 145V voltage in an unloaded condition is at approx 105V, the connected lamp does not light up, the voltage then collapses to approx 20V. (extract of circuit diagram attached)
• High voltage runs high. Flashover all over.
• No horizontal synchronisation. at start-up. (with circuit diagram extract)
• Line tearing. at top. (+ extract of circuit diagram)
• No vertical deflection. Horizontal line. Audio OK . (extract of circuit diagram attached) (54328171 SCHAUBLORENZ repair tip)
• Stuck in standby.
• Line synchronisation available only after 2 mins.
• No E/W correction. (with circuit diagram extract)
• Does not fully go to TXT or only blue mix TXT. (+ extract of circuit diagram)
• 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.
• Only standby LED lit. LED switches off at switch on then no function. (54328171 SCHAUBLORENZ repair tip)
• No synchronisation (after start-up). (extract of circuit diagram attached)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (picture attached)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (part of circuit diagram displayed)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Poor shading of picture, dark on one side and light on the other. (extract of circuit diagram attached)
• Noise in the speakers and no start up or display on the front panel when switching on. (part of circuit diagram displayed)
• EHT is heard starting up then everything stops 4 secs later.
• Transistor T701 fails when appliance is switched off and on.
• Wavy picture. at top. (with circuit diagram extract)
• LED lights up briefly then nothing more.
• Enter service mode.
• Line BU is abnormally hot.
• FBT blows after a few mins. (with circuit diagram extract)
• At switch on appliance pulsated then reverts to standby again.
• Picture with vertical and horizontal lines (when cold).
• Switches off completely after switch on. No standby function. (part of circuit diagram displayed)
• Eliminate safety mode of PSU.
• Switches off when selecting a function via RC.
• Reduced raster size. (+ extract of circuit diagram)
• Poor adjustment of horizontal picture centering. (extract of circuit diagram attached)
• T501 fails repeatedly.
• Line transformer starts up but no display, nothing on the screen and no sound. (+ extract of circuit diagram)
• The teletext contrast is considerably too high after installing the teletext decoder. (service info for SCHAUBLORENZ -54328171)
• Blue, vertical stripe in the right third of the picture.
• Control unit does not function. Does not switch on. (picture attached)
• Picture shifted to the left. (with circuit diagram extract)
• Black bar on the right side of the screen. Similar to displacement. (part of circuit diagram displayed) (SCHAUBLORENZ - 54328171 information)
• Does not switch to standby. (picture attached)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (picture attached)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band. (54328171 tips)
• No tuning.
• Shuts down. (extract of circuit diagram attached)
• Programmes change by themselves. RC is OK.
• Picture shaking in a random direction. (part of circuit diagram displayed)
• No picture. on lower half screen. (extract of circuit diagram attached)
• No picture. Audio OK . (extract of circuit diagram attached)
• Vertical or horizontal picture shaking both when hot and cold. (with circuit diagram extract)
• Horizontal jitter. Vertical jitter. (with circuit diagram extract)
• Hums at switch on. (picture attached)
• Horizontal stripe. in the centre.
• Erratic functions. (with circuit diagram extract) (54328171 SCHAUBLORENZ repair tip)
• Horizontal shaking. when cold.
• Left picture side is brighter, even via AV. (picture attached)
• Does not start from Standby.
• Does not go into text mode, mix mode is not possible.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Attempts to start with no result. (+ extract of circuit diagram) (SCHAUBLORENZ - 54328171 information)
• Intermittently dead. (with circuit diagram extract)
• Does not go into TXT mode. Mixed mode possible.
• Only blue light at right in picture.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• No picture (intermittently).
• Sound channel 1 and 2 voltage level adjustment.
• Cycles on/off.
• Too wide picture and East/West pincushion curving outward. (part of circuit diagram displayed)
• HV arcing. (+ extract of circuit diagram)
• Slightly wavy picture in the middle of the screen. (picture attached) (54328171 tips)
• No start-up. (part of circuit diagram displayed)
• Horizontal synchronisation fault, picture shifted towards left side. (part of circuit diagram displayed)
• Dark picture.
• No control and cannot be switched off when started up from standby.
• Reduced vertical size.
• Horizontal collapse. after a while. (picture attached)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable. (54328171 tip from SCHAUBLORENZ)
• Standby display lights up briefly, then no function. (SCHAUBLORENZ - 54328171 information)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• 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)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (part of circuit diagram displayed)
• Low brightness. Picture too big.
• No picture. Hum in audio.
• Intermittent block.
• 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)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (extract of circuit diagram 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. (+ extract of circuit diagram)
• Power supply hiccups. (54328171 tip from SCHAUBLORENZ)
• Hum bars, especially on yellow or orange background. (service info for SCHAUBLORENZ -54328171)
• Unstable horizontal picture.
• Control unit processor is defective. (extract of circuit diagram attached)
• Picture shifted to the left. Alignment works normally. (extract of circuit diagram attached)
• No colour.
• The picture is too large and wavers.
• Few segments of the display too bright. Doesn't respond to commands.
• E/W trapezium does not function.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (extract of circuit diagram attached)
• Top third of screen has ragged vertical lines.
• 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.
• Poor vertical linearity at the bottom, also E/W error.
• Noise in picture. Poor horizontal synchronisation.
• 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)
• Picture rolls. when cold. (part of circuit diagram displayed)
• E/W-fault.
• NICAM is missing.
• Excessive brightness. Flyback lines. (+ extract of circuit diagram)
• No TXT.
• Picture tearing.
• Vertical collapse. (with circuit diagram extract) (54328171 tips)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (+ extract of circuit diagram)
• Picture shifted to the left, too small and not adjustable. (picture attached)