54319091 / SCHAUBLORENZ [TV (Standard)]

• No synchronisation (after start-up). (+ extract of circuit diagram)
• Programmes change by themselves. RC is OK.
• No start-up (when cold).
• LED lights up briefly then nothing more. (SCHAUBLORENZ - 54319091 information)
• 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.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Picture tearing.
• Black vertical bars on picture, mostly visible in AV with no video source. (extract of circuit diagram attached) (54319091 tip from SCHAUBLORENZ)
• Eliminate safety mode of PSU.
• Vertical or horizontal picture shaking both when hot and cold. (+ extract of circuit diagram)
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (extract of circuit diagram attached)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• Excessive vertical size. Vertical foldover at bottom.
• The teletext contrast is considerably too high after installing the teletext decoder.
• Dark picture. on the right. (with circuit diagram extract)
• Unstable picture. (extract of circuit diagram attached)
• Can be switched to standby only if power plug is pulled out.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (picture 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. (service info for SCHAUBLORENZ -54319091)
• Unclear picture with Hum content.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Picture appears slowly. (+ extract of circuit diagram)
• Resistor R775 is defective.
• Distorted vertical linearity. Barrel distortion. (part of circuit diagram displayed)
• No HT output from power supply. OK in standby. (part of circuit diagram displayed)
• EHT is heard starting up then everything stops 4 secs later.
• Rattling noise or bubbling at start-up (when cold). (with circuit diagram extract)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• No E/W correction. (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.
• Approx 20cm wide dark area in centre of picture and line tearing.
• Especially when cold some channels are not in the French standard. They remain in FM sound and inverted video. When warm and when changing programme suddenly picture and sound appear correctly. (extract of circuit diagram attached)
• No control and cannot be switched off when started up from standby.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (with circuit diagram extract)
• Switches off completely after switch on. No standby function. (+ extract of circuit diagram)
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (extract of circuit diagram attached)
• Blank screen with purple haze at left hand side. (with circuit diagram extract)
• Control unit processor is defective. (part of circuit diagram displayed)
• Picture shifted horizontally. (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)
• Picture shifted to the right.
• NICAM is missing.
• Illegible display. (+ extract of circuit diagram)
• Excessive brightness. in the centre. (with circuit diagram extract)
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Picture shifted to the left. (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.
• No functions.
• Blank raster.
• Very slight flickering with a light picture. (picture attached) (54319091 tip from SCHAUBLORENZ)
• No TXT.
• No audio (when cold).
• No start up after changing IC601. Nothing lights up on the front.
• Horizontal synchronisation fault, picture shifted towards left side. (picture attached)
• No start-up. (extract of circuit diagram attached)
• Comes on for a short time. (picture attached)
• No tuning. Higher channels in band I/III/V are not received. (54319091 tip from SCHAUBLORENZ)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (picture attached)
• Switches to standby (intermittently).
• Excessive brightness. Flyback lines. (part of circuit diagram displayed)
• Enter service mode.
• 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. (54319091 SCHAUBLORENZ repair tip)
• PSU is defective. 300V is present.
• No functions. Red LED does not flash. (54319091 tips)
• Intermittently dead. (with circuit diagram extract)
• Blocked control processor.
• At Power On standby LED switches off immediately after switching on.
• Hums at switch on. (with circuit diagram extract)
• 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)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• At switch on appliance pulsated then reverts to standby again.
• When appliance receives in Nicam stereo, the TV goes into PAL. (service info for SCHAUBLORENZ -54319091)
• Power supply hiccups.
• Slightly wavy picture in the middle of the screen. (picture attached)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Sound channel 1 and 2 voltage level adjustment.
• Reduced raster size. (extract of circuit diagram attached)
• Halts at switch on when cold. No start up. OK after a few attempts. (extract of circuit diagram attached)
• Noise in audio. (part of circuit diagram displayed)
• Transistor T701 fails when appliance is switched off and on.
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• Picture amplitude is too weak.
• Vertical, bright stripe faintly visible in the right third of the picture.
• Picture and sound missing. Via scart socket with video recorder OK (with circuit diagram extract)
• 88 shown on LED display.
• 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.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2.
• PSU doesn't start-up or only after a while. Cracking sound.
• Output transistor (S2000) fails when started from cold.
• Switches off when selecting a function via RC. (54319091 tips)
• No functions. after a while.
• Switches to protection mode. at start-up. (with circuit diagram extract)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• No synchronisation during the first few mins. (part of circuit diagram displayed)
• Hum bars, especially on yellow or orange background.
• No start up, no standby light, variable voltage on pin 16 of IC701. (part of circuit diagram displayed) (SCHAUBLORENZ - 54319091 information)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (part of circuit diagram displayed)
• Line tearing. at top. (picture attached)
• Does not go into text mode, mix mode is not possible.
• No tuning. only on certain channels. Dark screen. on the right.
• Does not switch on. Fluttering noise from the loudspeakers. (+ extract of circuit diagram)
• The picture is too large and wavers.
• Horizontal stripe. in the centre.
• Picture goes off after 1 minute; very low contrast, ok through scart. (with circuit diagram extract)
• Dark picture. intermittently.
• Switches off immediately after plugging in mains. (picture attached)
• Convex picture. Defective lower linearity. (+ extract of circuit diagram) (54319091 SCHAUBLORENZ repair tip)
• Lines in picture.
• No PSU start-up.
• Line tearing. (extract of circuit diagram attached)
• Cycles on/off.
• Poor shading of picture, dark on one side and light on the other. (extract of circuit diagram attached)
• E/W trapezium does not function.
• Picture too big. (part of circuit diagram displayed)
• High voltage transistor (S2000) defective. (picture attached)
• 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)
• No raster sync in HF. Ok in scart. (extract of circuit diagram attached)
• Loses sync at start-up for a few minutes.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Line frequency changes downward (squeaking, whistling). (54319091 tip from SCHAUBLORENZ)
• Intermittently line tearing in the middle (approx. 20cm wide). (extract of circuit diagram attached)
• Picture is distorted and changes. Loss of colours. (with circuit diagram extract)
• No horizontal or vertical deflection.
• No horizontal synchronisation. at start-up. (picture attached)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (with circuit diagram extract)
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• Shadowing effect, left side of picture is brighter than the right one. (extract of circuit diagram attached)
• Noise in the speakers and no start up or display on the front panel when switching on. (with circuit diagram extract)
• Black picture. Sound OK. Picture is OK after restart. (extract of circuit diagram attached)
• Insufficient picture heigth (10cm) and severe linear distortion.
• Unstable horizontal picture.
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (part of circuit diagram displayed)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Black screen. Display flashes once at switch on.
• Picture is out of alignment horizontally. 10cm black bar on the right. (+ extract of circuit diagram)
• Poor PSU start up. Severe crackle in the loudspeaker. (service info for SCHAUBLORENZ -54319091)
• Erratic functions. (extract of circuit diagram attached)
• No vertical deflection. Horizontal line. Audio OK . (part of circuit diagram displayed)
• Defective linearity.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• Starts with noise (approx. 2-3 seconds), then it operates normally. (picture attached)
• Line synchronisation available only after 2 mins.
• Dark picture. Stripes after a while. OK after warm-up. (+ extract of circuit diagram)
• Reduced contrast, especially on one side of the screen.
• Picture shaking in a random direction. (part of circuit diagram displayed)
• Only blue light at right in picture. (54319091 tips)
• No picture. on lower half screen. (picture attached)
• Dead.
• Double picture. (54319091 tips)
• No picture. No audio. (+ extract of circuit diagram) (service info for SCHAUBLORENZ -54319091)
• Picture rolls. when cold. (picture attached)
• Remains in standby after changing power IC. (with circuit diagram extract)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Resistor R515 becomes defective. (with circuit diagram extract)
• HV builds up briefly and then shuts down
• Too wide picture and East/West pincushion curving outward. (with circuit diagram extract)
• Only snow in the picture, after changing the tuner the fault is still there.
• Programming menu can not be accessed. (+ extract of circuit diagram)
• T501 fails repeatedly.
• 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.
• Only standby LED lit. LED switches off at switch on then no function. (54319091 SCHAUBLORENZ repair tip)
• Horizontal jitter. Vertical jitter. (extract of circuit diagram attached)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (with circuit diagram extract)
• Poor adjustment of horizontal picture centering. (with circuit diagram extract)
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• 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) (service info for SCHAUBLORENZ -54319091)
• Blue screen. Flyback lines. Audio OK .
• After approx 20 mins colour TV switches off.
• Whenever a function is requested display lights up then switches off.
• Display flashing and rattles at switch on. (with circuit diagram extract)
• Does not switch to standby. (extract of circuit diagram attached)
• Does not go into TXT mode. Mixed mode possible.
• No start-up from standby.
• Vertical jitter. when cold.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (picture attached)
• Wavy picture. at top. (extract of circuit diagram attached)
• Vertical collapse. (with circuit diagram extract)
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• 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.
• Collapses at start up, then switches off.
• Horizontal jitter. when cold. (54319091 SCHAUBLORENZ repair tip)
• PSU doesn't start up when cold. (+ extract of circuit diagram)
• Poor synchronisation. No picture. after a while.
• Standby display lights up briefly, then no function.
• Shuts down. after start-up. (extract of circuit diagram attached)
• Attempts to start with no result. (+ extract of circuit diagram)
• Power supply seems to remain in safety mode. (extract of circuit diagram attached)
• Instructions on how to put appliance into Service-Mode.
• No HV.
• Black bar on the right side of the screen. Similar to displacement. (picture attached)
• 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.
• No horizontal synchronisation. (picture attached)
• Poor PSU start-up or BU defective. (extract of circuit diagram attached)
• Left picture side is brighter, even via AV. (part of circuit diagram displayed)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Dark screen. on the right. (+ extract of circuit diagram)
• Stops after 5 seconds. No standby LED. (picture attached)
• Horizontal shaking. when cold.
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (picture attached)
• When TV started up, transistor (S2000AF) instantly burn out. (with circuit diagram extract)
• 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)
• White point when switching off with ON/OFF switch. No point in standby.
• No TXT (intermittently). (service info for SCHAUBLORENZ -54319091)
• From a cold start line output stage transistor fails. (service info for SCHAUBLORENZ -54319091)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (+ extract of circuit diagram)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (part of circuit diagram displayed)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Picture shifted to the left. Alignment works normally. (extract of circuit diagram attached)
• Operation commands are not carried out.
• Does not start from Standby.
• Blue, vertical stripe in the right third of the picture.
• Dark screen, only diffuse glow.
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (+ extract of circuit diagram)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Excessive HV. (+ extract of circuit diagram)
• High voltage runs high. Flashover all over. (service info for SCHAUBLORENZ -54319091)
• Vertical IC fails. (+ extract of circuit diagram)
• Cuts out after switch on, soft hum from the speakers in standby mode.
• 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)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (+ extract of circuit diagram)
• AV correction.
• E/W-fault.
• NICAM check.
• Picture distorted, shifted upwards and a little bit too wide.
• Vertical line tearing. intermittently. (54319091 tips)
• No picture content. Picture is greyish. (picture attached)
• Reduced vertical size.
• Dark picture.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (+ extract of circuit diagram)
• Random operation commands.
• Wavy vertical lines in the entire picture when cold. Picture jitters. (+ extract of circuit diagram)
• Control unit does not function. Does not switch on. (with circuit diagram extract)
• Dead. after start-up.
• Very pale picture which is shifted to the left. Voltage is correct. (extract of circuit diagram attached)
• Coloured lines (RGB test lines) in top of picture.
• Pulsating picture. (picture attached)
• Horizontal line.
• Picture collapse on half of the picture.
• 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)
• Poor audio.
• Stuck in standby.
• Hums at switch on, dies out slowly. (SCHAUBLORENZ - 54319091 information)
• PSU fails intermittently. (part of circuit diagram displayed)
• Brightness varies. E/W fault. intermittently.
• No colour.
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (with circuit diagram extract)
• Afterglow on deflection tube after switch off.
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• PSU can not be loaded with 60W incandescent lamp.
• Flashing picture. (extract of circuit diagram attached)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Vertical lines. No colour. after a while. (54319091 SCHAUBLORENZ repair tip)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (extract of circuit diagram attached)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (with circuit diagram extract)
• Intermittent block.
• Distorted picture. on the right. (extract of circuit diagram attached)
• Poor vertical linearity at the bottom, also E/W error.
• Picture shifted to the left, too small and not adjustable. (part of circuit diagram displayed)
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Does not switch ON. No power light showing. (54319091 tips)
• PSU starts briefly, then no more HV. (with circuit diagram extract)
• Unusual TXT.
• Buzzing at start-up.
• One side of picture is black.
• Line transistor S2000AF defective at switch on from cold. (part of circuit diagram displayed)
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Slow start-up. when cold. (with circuit diagram extract)
• Intermittent no image or yellow colouring. Knock sensitive. (extract of circuit diagram attached)
• Pincushion distortion.
• Builds up high voltage for a short time and then switches off. (extract of circuit diagram attached)
• Centre of snowy picture is darker than edges. (part of circuit diagram displayed)
• E/W fault. (picture attached)
• HV arcing. (+ extract of circuit diagram)
• FBT blows after a few mins. (with circuit diagram extract)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (picture attached)
• HV appears briefly and then disappears. (part of circuit diagram displayed)
• No picture. Hum in audio.
• Few segments of the display too bright. Doesn't respond to commands.
• Excessive horizontal size. (with circuit diagram extract)
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• 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. (54319091 tips)
• Tripping.
• Line transformer starts up but no display, nothing on the screen and no sound. (+ extract of circuit diagram)
• Bright picture. on the right. Dark picture. on the left. (+ extract of circuit diagram)
• Brightness differs between left and right hand side of the screen.
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Power supply defective after a few days. (+ extract of circuit diagram)
• DF-AF adjustment.
• Loud noise. at start-up.
• Line BU is abnormally hot.
• Bright raster. Flyback lines.
• PSU switches from standby to safety mode at switch on.
• No colour (intermittently). (54319091 tip from SCHAUBLORENZ)
• Horizontal collapse. after a while. (+ extract of circuit diagram)
• High voltage build up for short time then PSU switches off. (with circuit diagram extract)
• At switch on, lights light up for an instant, voltage which ought to reach 145V increases to 60V but then goes back to 0V. (picture attached)
• No start up after changing FBT and constant whistling noise. (part of circuit diagram displayed)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• 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 tuning.
• No vertical deflection. intermittently.
• Shuts down. (+ extract of circuit diagram)
• Does not fully go to TXT or only blue mix TXT. (with circuit diagram extract)
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Horizontal white line.
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• No picture (intermittently).
• Low brightness. Picture too big.
• No picture. Audio OK . (picture attached)
• White screen. Flyback lines.
• Picture is too wide. E/W distorted.
• Noise in picture. Poor horizontal synchronisation.
• 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. (part of circuit diagram displayed)
• Top third of screen has ragged vertical lines.
• Vertical curtain-like stripes which may be distributed over the entire screen. (part of circuit diagram displayed)
• Bright vertical stripes. No picture content. Sound OK. (+ extract of circuit diagram)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (+ extract of circuit diagram)
• Vertical and horizontal synchronisation available only after 2 mins.
• Picture with vertical and horizontal lines (when cold).
• Poor line and picture synchronisation when cold.
• Long picture at start up, black screen with rainbow spots.
• Stuck in standby; RC ineffective. Stanby LED flickers. (extract of circuit diagram attached)
• 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)