3579 DIGIVISION / SCHAUBLORENZ [TV (Standard)]

• No vertical deflection. intermittently. (SCHAUBLORENZ - 3579 information)
• 88 shown on LED display.
• Whenever a function is requested display lights up then switches off.
• Horizontal line.
• E/W-fault.
• Bright picture. on the right. Dark picture. on the left. (part of circuit diagram displayed)
• No HV.
• No functions. after a while.
• Poor adjustment of horizontal picture centering. (picture attached)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (with circuit diagram extract)
• Bright raster. Flyback lines.
• Horizontal jitter. when cold.
• Unclear picture with Hum content.
• No horizontal synchronisation. (extract of circuit diagram attached)
• Noise in the speakers and no start up or display on the front panel when switching on. (+ extract of circuit diagram)
• Stuck in standby; RC ineffective. Stanby LED flickers. (part of circuit diagram displayed)
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• Dead.
• Ok with signal. Without signal: unstable line frequency, line stage transformer makes a loud whistling noise and T511 (scanning transistor) shorts. (with circuit diagram extract)
• Blank screen with purple haze at left hand side. (+ extract of circuit diagram)
• Wavy vertical lines in the entire picture when cold. Picture jitters. (picture attached)
• No picture. No audio. (picture attached)
• NICAM is missing.
• No tuning. Higher channels in band I/III/V are not received.
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -3579)
• Poor synchronisation. No picture. after a while.
• Picture shifted to the left, too small and not adjustable. (extract of circuit diagram attached) (3579 tips)
• White screen, horizontal lines without video signal. OK on scart output T971 OK IC950 OK. No beam limiter on 15 of IC950. Flash on the screen when changing channels. (3579 tip from SCHAUBLORENZ)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (part of circuit diagram displayed)
• Standby display lights up briefly, then no function.
• Dark screen, only diffuse glow.
• Line frequency changes downward (squeaking, whistling).
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary. (SCHAUBLORENZ - 3579 information)
• Switches to protection mode. at start-up. (extract of circuit diagram attached)
• No E/W correction. (with circuit diagram extract)
• No TXT (intermittently).
• In a grey area - independent of colour saturation - you can see 2 vertical zones approx 15cm wide, greeny blue in colour with coloured edges.
• Poor shading of picture, dark on one side and light on the other. (picture attached)
• Buzzing at start-up.
• Operation commands are not carried out.
• Display flashing and rattles at switch on. (+ extract of circuit diagram)
• Centre of snowy picture is darker than edges. (extract of circuit diagram attached)
• No control and cannot be switched off when started up from standby.
• Blank raster.
• Poor audio.
• High voltage build up for short time then PSU switches off. (part of circuit diagram displayed)
• PSU is defective. 300V is present.
• E/W fault. (+ extract of circuit diagram)
• Lines in picture.
• Will not select text, or will only select mix or full text but not both, various other functions faulty. (3579 SCHAUBLORENZ repair tip)
• No picture. Audio OK . (extract of circuit diagram attached) (SCHAUBLORENZ - 3579 information)
• Poor vertical linearity at the bottom, also E/W error.
• White point when switching off with ON/OFF switch. No point in standby.
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Vertical jitter. when cold.
• 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.
• Noise in audio. (+ extract of circuit diagram) (3579 SCHAUBLORENZ repair tip)
• Hum bars, especially on yellow or orange background.
• Only blue light at right in picture.
• Intermittently line tearing in the middle (approx. 20cm wide). (with circuit diagram extract)
• Excessive horizontal size. (picture attached)
• No raster sync in HF. Ok in scart. (part of circuit diagram displayed)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (picture attached)
• Loud noise. at start-up.
• Collapses at start up, then switches off.
• Only snow in the picture, after changing the tuner the fault is still there.
• Pincushion distortion.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• 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)
• Does not switch on. Fluttering noise from the loudspeakers. (picture attached)
• Line tearing. at top. (picture attached)
• HV arcing. (extract of circuit diagram attached)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (part of circuit diagram displayed)
• Remains in standby after changing power IC. (picture attached) (3579 SCHAUBLORENZ repair tip)
• Vertical line tearing. intermittently.
• Defective linearity.
• Line synchronisation available only after 2 mins.
• Reduced vertical size.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Long picture at start up, black screen with rainbow spots.
• No start-up from standby.
• Picture is out of alignment horizontally. 10cm black bar on the right. (part of circuit diagram displayed)
• Picture distorted, shifted upwards and a little bit too wide.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Coloured lines (RGB test lines) in top of picture. (SCHAUBLORENZ - 3579 information)
• Horizontal shaking. when cold.
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (picture attached)
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract)
• Insufficient picture heigth (10cm) and severe linear distortion.
• Poor PSU start-up or BU defective. (with circuit diagram extract)
• Poor line and picture synchronisation when cold.
• Horizontal collapse. after a while. (part of circuit diagram displayed)
• T501 fails repeatedly.
• Does not fully go to TXT or only blue mix TXT. (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. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -3579)
• From a cold start line output stage transistor fails. (3579 tips)
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (+ extract of circuit diagram) (3579 tip from SCHAUBLORENZ)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (part of circuit diagram displayed)
• Brightness differs between left and right hand side of the screen.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer.
• Tripping.
• E/W trapezium does not function.
• Rattling noise or bubbling at start-up (when cold). (part of circuit diagram displayed)
• Picture tearing.
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (+ extract of circuit diagram)
• Picture shifted to the right.
• No picture (intermittently).
• Dark picture. on the right. (extract of circuit diagram attached)
• Eliminate safety mode of PSU.
• Distorted vertical linearity. Barrel distortion. (with circuit diagram extract)
• No tuning.
• Few segments of the display too bright. Doesn't respond to commands.
• Shadowing effect, left side of picture is brighter than the right one. (part of circuit diagram displayed)
• Picture shifted to the left. (with circuit diagram extract)
• Approx 20cm wide dark area in centre of picture and line tearing.
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• No start-up. (picture attached)
• Black bar on the right side of the screen. Similar to displacement. (+ extract of circuit diagram)
• PSU fails intermittently. (+ extract of circuit diagram)
• Picture appears slowly. (part of circuit diagram displayed)
• Resistor R515 becomes defective. (with circuit diagram extract)
• Sound channel 1 and 2 voltage level adjustment.
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (extract of circuit diagram attached)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• The teletext contrast is considerably too high after installing the teletext decoder.
• HV appears briefly and then disappears. (with circuit diagram extract)
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off. (3579 tip from SCHAUBLORENZ)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (+ extract of circuit diagram)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Cycles on/off.
• 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.
• Wavy picture. at top. (+ extract of circuit diagram)
• Unusual TXT.
• FBT blows after a few mins. (+ extract of circuit diagram)
• Afterglow on deflection tube after switch off.
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (part of circuit diagram displayed)
• Control unit processor is defective. (+ extract of circuit diagram)
• Attempts to start with no result. (extract of circuit diagram attached)
• Picture goes off after 1 minute; very low contrast, ok through scart. (+ extract of circuit diagram) (3579 tips)
• When TV started up, transistor (S2000AF) instantly burn out. (picture attached)
• Picture shifted to the left. Alignment works normally. (part of circuit diagram displayed)
• No colour.
• At switch on appliance pulsated then reverts to standby again.
• Erratic functions. (+ extract of circuit diagram)
• Transistor T701 fails when appliance is switched off and on.
• No picture content. Picture is greyish. (extract of circuit diagram attached)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Picture only appears about 3 mins after switch on, when appliance is cold. (service info for SCHAUBLORENZ -3579)
• Reduced contrast, especially on one side of the screen.
• Distorted picture. on the right. (with circuit diagram extract)
• Dark picture.
• Line transistor S2000AF defective at switch on from cold. (picture attached)
• No start up after changing IC601. Nothing lights up on the front.
• Excessive brightness. Flyback lines. (extract of circuit diagram attached) (3579 tip from SCHAUBLORENZ)
• No PSU start-up.
• At the top edge of the picture an unusual stain effect appears and line tearing.
• AV correction.
• Vertical curtain-like stripes which may be distributed over the entire screen. (+ extract of circuit diagram)
• No start-up (when cold).
• Reduced raster size. (+ extract of circuit diagram)
• Vertical collapse. (with circuit diagram extract) (SCHAUBLORENZ - 3579 information)
• Black vertical bars on picture, mostly visible in AV with no video source. (part of circuit diagram displayed) (3579 tip from SCHAUBLORENZ)
• Excessive vertical size. Vertical foldover at bottom.
• Pulsating picture. (with circuit diagram extract)
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (part of circuit diagram displayed)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Convex picture. Defective lower linearity. (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.
• After approx 20 mins colour TV switches off.
• PSU doesn't start-up or only after a while. Cracking sound.
• Horizontal stripe. in the centre.
• 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)
• Unstable picture. (part of circuit diagram displayed)
• No colour (intermittently).
• Blue, vertical stripe in the right third of the picture.
• No tuning. only on certain channels. Dark screen. on the right.
• Intermittently dead. (picture attached)
• NICAM check.
• High voltage runs high. Flashover all over.
• Vertical and horizontal synchronisation available only after 2 mins.
• Horizontal jitter. Vertical jitter. (extract of circuit diagram attached)
• Dead. after start-up.
• No HT output from power supply. OK in standby. (extract of circuit diagram attached) (3579 tips)
• Top third of screen has ragged vertical lines.
• Remains in standby. Starts up when wiper forced. 88 on display. No picture and no sound. Goes into standby as soon as switch is released. (picture attached)
• Power supply seems to remain in safety mode. (part of circuit diagram displayed) (SCHAUBLORENZ - 3579 information)
• No vertical deflection. Horizontal line. Audio OK . (picture attached)
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (+ extract of circuit diagram)
• No horizontal synchronisation. at start-up. (extract of circuit diagram attached)
• 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.
• Unstable horizontal picture.
• Does not switch ON. No power light showing.
• Bright vertical stripes. No picture content. Sound OK. (+ extract of circuit diagram)
• One side of picture is black. (service info for SCHAUBLORENZ -3579)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (part of circuit diagram displayed)
• Blocked control processor.
• When appliance receives in Nicam stereo, the TV goes into PAL.
• Switches off when selecting a function via RC.
• Halts at switch on when cold. No start up. OK after a few attempts. (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.
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• Very slight flickering with a light picture. (picture attached) (service info for SCHAUBLORENZ -3579)
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (picture attached) (SCHAUBLORENZ - 3579 information)
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Low brightness. Picture too big.
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (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) (3579 tip from SCHAUBLORENZ)
• Picture with vertical and horizontal lines (when cold).
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Grey picture at switch on and sound which disappears after 15 mins. Grey screen with frizzy line on the sides when pressing G2. (SCHAUBLORENZ - 3579 information)
• No synchronisation (after start-up). (+ extract of circuit diagram)
• PSU can not be loaded with 60W incandescent lamp.
• Does not go into text mode, mix mode is not possible.
• PSU starts briefly, then no more HV. (extract of circuit diagram attached)
• Flashing picture. (picture attached)
• Picture collapse on half of the picture. (3579 tips)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Intermittent no image or yellow colouring. Knock sensitive. (part of circuit diagram displayed)
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• Intermittent block.
• 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.
• 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)
• Vertical or horizontal picture shaking both when hot and cold. (extract of circuit diagram attached) (SCHAUBLORENZ - 3579 information)
• Programming menu can not be accessed. (part of circuit diagram displayed)
• No functions.
• Shuts down. (extract of circuit diagram attached)
• No TXT. (3579 tips)
• No start up after changing FBT and constant whistling noise. (part of circuit diagram displayed)
• Vertical, bright stripe faintly visible in the right third of the picture.
• Brightness varies. E/W fault. intermittently.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Picture shifted horizontally. (with circuit diagram extract)
• Switches off immediately after plugging in mains. (+ extract of circuit diagram)
• Does not start from Standby.
• Dark picture. Stripes after a while. OK after warm-up. (picture attached)
• Very pale picture which is shifted to the left. Voltage is correct. (extract of circuit diagram attached) (SCHAUBLORENZ - 3579 information)
• EHT is heard starting up then everything stops 4 secs later.
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (picture attached)
• Picture too big. (with circuit diagram extract)
• PSU doesn't start up when cold. (+ extract of circuit diagram)
• Excessive brightness. in the centre. (part of circuit diagram displayed)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (+ extract of circuit diagram)
• Shuts down. after start-up. (picture attached)
• No audio (when cold).
• Can be switched to standby only if power plug is pulled out.
• No picture. Hum in audio. (3579 tips)
• Resistor R775 is defective.
• Power supply hiccups.
• LED lights up briefly then nothing more. (3579 tip from SCHAUBLORENZ)
• Power supply defective after a few days. (with circuit diagram extract)
• Does not go into TXT mode. Mixed mode possible.
• Dark screen. on the right. (part of circuit diagram displayed)
• No picture. on lower half screen. (picture attached)
• Slow start-up. when cold. (extract of circuit diagram attached)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines.
• 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)
• At Power On standby LED switches off immediately after switching on.
• 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.
• PSU switches from standby to safety mode at switch on.
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (part of circuit diagram displayed)
• Line BU is abnormally hot.
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (+ extract of circuit diagram)
• Poor PSU start up. Severe crackle in the loudspeaker.
• Picture is too wide. E/W distorted.
• 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)
• No synchronisation during the first few mins. (+ extract of circuit diagram)
• Builds up high voltage for a short time and then switches off. (part of circuit diagram displayed)
• 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.
• Picture rolls. when cold. (part of circuit diagram displayed)
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• No horizontal or vertical deflection. (SCHAUBLORENZ - 3579 information)
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (extract of circuit diagram attached)
• Stuck in standby.
• 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.
• Horizontal synchronisation fault, picture shifted towards left side. (picture attached)
• HV builds up briefly and then shuts down
• Hums at switch on, dies out slowly.
• Line tearing. (+ extract of circuit diagram)
• Left picture side is brighter, even via AV. (picture attached)
• DF-AF adjustment.
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Vertical lines. No colour. after a while.
• Output transistor (S2000) fails when started from cold.
• Black picture. Sound OK. Picture is OK after restart. (with circuit diagram extract)
• Only standby LED lit. LED switches off at switch on then no function.
• Line transformer starts up but no display, nothing on the screen and no sound. (+ extract of circuit diagram)
• High voltage transistor (S2000) defective. (part of circuit diagram displayed)
• Stops after 5 seconds. No standby LED. (+ extract of circuit diagram)
• Blue screen. Flyback lines. Audio OK .
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (part of circuit diagram displayed)
• Illegible display. (part of circuit diagram displayed)
• Vertical IC fails. (part of circuit diagram displayed)
• Switches to standby (intermittently).
• Too wide picture and East/West pincushion curving outward. (picture attached)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• Enter service mode. (3579 tip from SCHAUBLORENZ)
• Picture is distorted and changes. Loss of colours. (picture attached)
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all. (service info for SCHAUBLORENZ -3579)
• The picture is too large and wavers.
• Excessive HV. (+ extract of circuit diagram)
• Double picture.
• Hums at switch on. (part of circuit diagram displayed)
• Dark picture. intermittently.
• Picture amplitude is too weak.
• 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)
• Loses sync at start-up for a few minutes.
• No functions. Red LED does not flash.
• Programmes change by themselves. RC is OK.
• Instructions on how to put appliance into Service-Mode.
• Switches off completely after switch on. No standby function. (with circuit diagram extract)
• Noise in picture. Poor horizontal synchronisation.
• Comes on for a short time. (picture attached)
• Control unit does not function. Does not switch on. (part of circuit diagram displayed)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• White screen. Flyback lines.
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• Slightly wavy picture in the middle of the screen. (part of circuit diagram displayed)
• Picture and sound missing. Via scart socket with video recorder OK (with circuit diagram extract)
• Horizontal white line.
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (picture attached)
• Does not switch to standby. (+ extract of circuit diagram)
• Picture shaking in a random direction. (part of circuit diagram displayed)
• Black screen. Display flashes once at switch on.
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too.
• Random operation commands.