29 STEREOCOLOR / SCHAUBLORENZ [TV (Standard)]

• Dead.
• No E/W correction. (picture attached) (29 tip from SCHAUBLORENZ)
• Line output stage fails at switch on. With load (lamp) appliance can be switched on with squeaking noise. (with circuit diagram extract)
• Only snow in the picture, after changing the tuner the fault is still there.
• Poor shading of picture, dark on one side and light on the other. (with circuit diagram extract)
• No picture. on lower half screen. (extract of circuit diagram attached)
• Afterglow on deflection tube after switch off.
• No tuning. only on certain channels. Dark screen. on the right.
• Bright raster. Flyback lines.
• Picture and sound missing. Via scart socket with video recorder OK (picture attached) (29 SCHAUBLORENZ repair tip)
• At switch on appliance pulsated then reverts to standby again.
• EHT is heard starting up then everything stops 4 secs later.
• Vertical, bright stripe faintly visible in the right third of the picture.
• Line synchronisation available only after 2 mins.
• Blocked control processor.
• No colour.
• Very slight flickering with a light picture. (picture attached)
• Programmes change by themselves. RC is OK.
• 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)
• Occasionally blue screen. Picture ok when G2 adjusted then disappears again. When pressed too much picture remains incorrect then disappears.
• Black screen. Display flashes once at switch on.
• Picture has moved approx 10cm to the left. Vertical black bar with a few coloured streaks. Colour OK. (extract of circuit diagram attached)
• Picture shifted to the left. (part of circuit diagram displayed)
• High voltage runs high. Flashover all over.
• Will not select text, or will only select mix or full text but not both, various other functions faulty.
• 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.
• Programming menu can not be accessed. (part of circuit diagram displayed)
• Faint and too dark picture. Low brightness, contrast cannot be adjusted. Colour is adjustable.
• NICAM is missing.
• Cuts out after switch on, soft hum from the speakers in standby mode.
• Switches off completely after switch on. No standby function. (part of circuit diagram displayed) (29 tips)
• Noise in audio. (with circuit diagram extract)
• Horizontal jitter. Vertical jitter. (part of circuit diagram displayed)
• Line frequency changes downward (squeaking, whistling). (29 SCHAUBLORENZ repair tip)
• The picture is too large and wavers.
• Switches to standby when mains switch is plugged in. Switches off when using RCU. (part of circuit diagram displayed)
• Black bar on the right side of the screen. Similar to displacement. (picture attached)
• When appliance receives in Nicam stereo, the TV goes into PAL.
• HV builds up briefly and then shuts down (29 tip from SCHAUBLORENZ)
• Reduced contrast, especially on one side of the screen.
• Excessive HV. (extract of circuit diagram attached)
• High voltage transistor (S2000) defective. (with circuit diagram extract)
• Blanking interval on left side of picture, colour flickers and screen dark after a while.
• Too wide picture and East/West pincushion curving outward. (with circuit diagram extract)
• Picture distorted, shifted upwards and a little bit too wide.
• Vertical lines. No colour. after a while.
• No tuning. Higher channels in band I/III/V are not received.
• PSU fails intermittently. (part of circuit diagram displayed)
• Rattling noise or bubbling at start-up (when cold). (+ extract of circuit diagram)
• Excessive horizontal size. (+ extract of circuit diagram) (SCHAUBLORENZ - 29 information)
• 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) (29 SCHAUBLORENZ repair tip)
• 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) (service info for SCHAUBLORENZ -29)
• The teletext contrast is considerably too high after installing the teletext decoder.
• No horizontal synchronisation. (+ extract of circuit diagram)
• Impossible to adjust synchronisation. Picture shifted towards left. Right side of picture reduced by 8cm. (extract of circuit diagram attached)
• Hums at switch on, dies out slowly.
• Vertical jitter. when cold.
• At the top edge of the picture an unusual stain effect appears and line tearing.
• Vertical dark bands running from left to centre of picture and separated by approx. 5cm.
• 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.
• Poor vertical linearity at the bottom, also E/W error.
• Lines in picture. (SCHAUBLORENZ - 29 information)
• Horizontal picture position is incorrect, 5cm to the left. No picture intermittently. (picture attached)
• Blank raster.
• From a cold start line output stage transistor fails.
• Line tearing. at top. (with circuit diagram extract)
• Line transformer starts up with an amplitude of 400V blemished by many interference lines. (service info for SCHAUBLORENZ -29)
• Motorboating noise at switch on then goes into standby. When frame IC is unsoldered TV starts up. (picture attached)
• Poor adjustment of horizontal picture centering. (with circuit diagram extract)
• No picture. Audio OK . (picture attached)
• Coloured lines (RGB test lines) in top of picture.
• Vertical collapse. (picture attached)
• Stuck in standby.
• Vertical IC fails. (with circuit diagram extract)
• Blue screen. Flyback lines. Audio OK .
• Unclear picture with Hum content.
• No colour (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.
• Picture rolls. when cold. (part of circuit diagram displayed)
• Bright vertical stripes. No picture content. Sound OK. (extract of circuit diagram attached)
• Starts with noise (approx. 2-3 seconds), then it operates normally. (part of circuit diagram displayed)
• Erratic functions. (part of circuit diagram displayed)
• 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)
• DF-AF adjustment.
• Power supply hiccups.
• Stops after 5 seconds. No standby LED. (extract of circuit diagram attached)
• Loses sync at start-up for a few minutes.
• Picture shifted to the left. Alignment works normally. (extract of circuit diagram attached)
• High voltage build up for short time then PSU switches off. (extract of circuit diagram attached)
• No HT output from power supply. OK in standby. (+ extract of circuit diagram) (SCHAUBLORENZ - 29 information)
• 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.
• Loud noise. at start-up.
• Horizontal synchronisation fault, picture shifted towards left side. (part of circuit diagram displayed) (service info for SCHAUBLORENZ -29)
• Unusual TXT.
• Poor PSU start-up or BU defective. (picture attached)
• Insufficient picture heigth (10cm) and severe linear distortion.
• PSU is defective. 300V is present.
• Poor synchronisation. No picture. after a while.
• Hums at switch on. (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. (picture attached)
• Strong blue dominance at top of picture. Rest of picture (approx half) ok. (with circuit diagram extract)
• Vertical line tearing. intermittently.
• Line tearing. (with circuit diagram extract)
• No picture. No audio. (+ extract of circuit diagram)
• 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. (service info for SCHAUBLORENZ -29)
• Picture is out of alignment horizontally. 10cm black bar on the right. (part of circuit diagram displayed)
• Slightly wavy picture in the middle of the screen. (part of circuit diagram displayed)
• Shuts down. after start-up. (extract of circuit diagram attached)
• Sound channel 1 and 2 voltage level adjustment.
• No synchronisation (after start-up). (part of circuit diagram displayed)
• Does not switch to standby. (with circuit diagram extract)
• Vertical IC (TDA3654) becomes hot, then fails after several hours. Picture OK. (picture attached)
• Buzzing at start-up.
• Picture is distorted and changes. Loss of colours. (part of circuit diagram displayed)
• Blue, vertical stripe in the right third of the picture.
• Does not fully go to TXT or only blue mix TXT. (+ extract of circuit diagram)
• Illegible display. (extract of circuit diagram attached)
• Unstable horizontal picture.
• Vertical curtain-like stripes which may be distributed over the entire screen. (with circuit diagram extract)
• Unstable picture. (picture attached)
• No start up after changing FBT and constant whistling noise. (+ extract of circuit diagram)
• Reduced raster size. (with circuit diagram extract)
• Vertical and horizontal synchronisation available only after 2 mins.
• Time constant switching over only occurs on memory sites 37 to 39 and AV.
• Intermittently line tearing in the middle (approx. 20cm wide). (with circuit diagram extract)
• Line BU voltage = 140V. Value of capacitor C701 (in PSU) illegible. Still no display if line BU disconnected. (+ extract of circuit diagram)
• E/W-fault.
• White screen. Flyback lines.
• Approx 20cm wide dark area in centre of picture and line tearing.
• No functions. after a while.
• LED lights up briefly then nothing more.
• No vertical deflection. Horizontal line. Audio OK . (+ extract of circuit diagram)
• Stuck in standby; RC ineffective. Stanby LED flickers. (picture attached)
• No raster sync in HF. Ok in scart. (with circuit diagram extract)
• No horizontal synchronisation. at start-up. (picture attached)
• Picture with vertical and horizontal lines (when cold).
• Text selection is not possible, takes only Mix or full text but not both. Also various other functions are defective.
• No audio (when cold).
• Convex picture. Defective lower linearity. (picture attached)
• Flashing picture. (part of circuit diagram displayed)
• Picture goes off after 1 minute; very low contrast, ok through scart. (extract of circuit diagram attached)
• No start up after changing IC601. Nothing lights up on the front. (29 tip from SCHAUBLORENZ)
• Black vertical bars on picture, mostly visible in AV with no video source. (+ extract of circuit diagram)
• E/W fault. (+ extract of circuit diagram)
• Switches to standby (intermittently).
• Transistor T701 fails when appliance is switched off and on.
• Eliminate safety mode of PSU.
• No HV.
• Intermittent loss of brightness, picture is black. Can be adjusted with RC. Or vice versa, picture is too light and can be adjusted.
• Reduced vertical size.
• After the appliance is switched off a large spot of light appears for several seconds in the middle of the screen. (picture attached)
• No start-up. (+ extract of circuit diagram)
• White horizontal stripe about 5 cm from the bottom. Picture content bellow stripe is altered and noisy.
• Horizontal shaking. when cold.
• Picture shifted to the left, too small and not adjustable. (extract of circuit diagram attached) (29 tip from SCHAUBLORENZ)
• Picture is too wide. E/W distorted.
• Does not start from Standby.
• Intermittent flyback lines. Grey scale varies intermittently. Possibly no picture.
• Line BU is abnormally hot.
• At start up the power supply starts up for 2 secs then the appliance apparently goes into safety mode. No fault on the secondary.
• Instructions on how to put appliance into Service-Mode. (29 tips)
• Black picture. Sound OK. Picture is OK after restart. (extract of circuit diagram attached) (service info for SCHAUBLORENZ -29)
• 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.
• T501 fails repeatedly.
• No horizontal or vertical deflection.
• Brightness varies. E/W fault. intermittently.
• Picture appears slowly. (picture attached)
• No TXT (intermittently).
• FBT blows after a few mins. (+ extract of circuit diagram)
• White, horizontal lines at the top of the picture. Lines decrease after a while but never disappear completely.
• 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) (29 SCHAUBLORENZ repair tip)
• Standby display lights up briefly, then no function.
• Dark screen, only diffuse glow.
• No picture. Hum in audio. (29 tip from SCHAUBLORENZ)
• At Power On standby LED switches off immediately after switching on. (29 tip from SCHAUBLORENZ)
• At switch ON, set screams. Pressing on the on/off switch gives same condition. Standby LED's off.
• Secondary voltages appear for 1 to 2 secs. then nothing else. Standby LED switches off.
• No picture content. Picture is greyish. (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.
• Builds up high voltage for a short time and then switches off. (+ extract of circuit diagram)
• Line transistor S2000AF defective at switch on from cold. (extract of circuit diagram attached)
• Picture shifted to the right. (29 tip from SCHAUBLORENZ)
• Picture takes 15 secs. to appear. Sound ok and EHT present.
• PSU pulsates. Sound crackles. After few secs. appliance works fine.
• 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)
• Few segments of the display too bright. Doesn't respond to commands.
• Dark picture. Stripes after a while. OK after warm-up. (+ extract of circuit diagram)
• Picture is brighter on the right. Poor synchronisation after program switch-over. Picture becomes brighter and darker in AV. (+ extract of circuit diagram) (29 tip from SCHAUBLORENZ)
• Slow start-up. when cold. (picture attached)
• Line transformer starts up but no display, nothing on the screen and no sound. (with circuit diagram extract)
• No start up, no standby light, variable voltage on pin 16 of IC701. (with circuit diagram extract)
• Display flashing and rattles at switch on. (extract of circuit diagram attached)
• No picture (intermittently).
• Whistling HT. No start up due to incorrect HT frequency. May blow S2000 immediately. (+ extract of circuit diagram)
• Control unit processor is defective. (extract of circuit diagram attached)
• NICAM check.
• Noise in the speakers and no start up or display on the front panel when switching on. (picture attached)
• Appliance whistles. Sound and picture present. Picture interference (lines approx one centimeter apart over the whole of the picture).
• Dark picture.
• Random operation commands.
• No tuning.
• Halts at switch on when cold. No start up. OK after a few attempts. (+ extract of circuit diagram)
• Resistor R515 becomes defective. (+ extract of circuit diagram) (29 tips)
• Black bars on the bottom of picture. If V-amplitude is altered, picture disappears on the bottom. (part of circuit diagram displayed)
• Switches off immediately after plugging in mains. (+ extract of circuit diagram)
• Picture shifted horizontally. (with circuit diagram extract)
• Low brightness. Picture too big.
• Shadowing effect, left side of picture is brighter than the right one. (with circuit diagram extract)
• PSU can not be loaded with 60W incandescent lamp.
• Distorted picture. on the right. (with circuit diagram extract) (29 SCHAUBLORENZ repair tip)
• When TV started up, transistor (S2000AF) instantly burn out. (extract of circuit diagram attached)
• Dark picture. on the right. (+ extract of circuit diagram)
• Dead. after start-up.
• Motorboating noise at switch on. When you change IC701 the TV starts up again, it is possible to switch it off and to start it up by using standby. Otherwise, the fault starts again. (picture attached)
• Excessive brightness. in the centre. (extract of circuit diagram attached)
• No vertical deflection. Only a horizontal bright line appears on CRT. Audio OK. (part of circuit diagram displayed)
• Does not switch ON. No power light showing. (SCHAUBLORENZ - 29 information)
• Switches off when selecting a function via RC.
• Brightness differs between left and right hand side of the screen. (SCHAUBLORENZ - 29 information)
• Horizontal jitter. when cold.
• Comes on for a short time. (extract of circuit diagram attached)
• Distorted vertical linearity. Barrel distortion. (with circuit diagram extract)
• Whenever a function is requested display lights up then switches off.
• Poor line and picture synchronisation when cold.
• Vertical or horizontal picture shaking both when hot and cold. (+ extract of circuit diagram)
• Picture amplitude is too weak.
• Focus problem. Blurred vertically, ok horizontally after replacing microprocessor and line transformer. (29 tip from SCHAUBLORENZ)
• Horizontal white line.
• Tripping.
• Intermittently dead. (extract of circuit diagram attached)
• Wavy picture. at top. (part of circuit diagram displayed)
• Double picture.
• Picture too big. (extract of circuit diagram attached)
• White point when switching off with ON/OFF switch. No point in standby.
• Picture only appears about 3 mins after switch on, when appliance is cold.
• Output transistor (S2000) fails when started from cold.
• Vertical hum bars on picture, sometimes very visible and sometimes hardly at all.
• 88 shown on LED display.
• Power supply defective after a few days. (extract of circuit diagram attached)
• Blank screen with purple haze at left hand side. (part of circuit diagram displayed)
• No start-up (when cold).
• Excessive vertical size. Vertical foldover at bottom. (SCHAUBLORENZ - 29 information)
• AV correction.
• Wavy vertical lines in the entire picture when cold. Picture jitters. (picture attached)
• No functions.
• Intermittent block.
• Left picture side is brighter, even via AV. (picture attached)
• Horizontal synchronisation fault even after replacing TDA8372. Weak adjustment with pot R634. Line synchronisation OK. Comparator OK. Horizontal linearity is OK. (with circuit diagram extract)
• Line foldover by start-up. No sound. After warm-up, picture and sound are OK. Sync is still unstable.
• Does not go into TXT mode. Mixed mode possible.
• Pincushion distortion.
• Resistor R775 is defective.
• 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. (29 tip from SCHAUBLORENZ)
• PSU starts briefly, then no more HV. (+ extract of circuit diagram)
• No functions. Red LED does not flash.
• Horizontal stripe. in the centre.
• One side of picture is black.
• Goes into PAL reception when in NICAM reception on channel 64, programme N1.
• 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.
• No vertical deflection. intermittently.
• No TXT.
• Horizontal line.
• PSU doesn't start up when cold. (extract of circuit diagram attached)
• Dark picture. intermittently.
• Collapses at start up, then switches off.
• HV appears briefly and then disappears. (part of circuit diagram displayed)
• 10cm black bar on the right of the screen. Voltages ok, corrections work. (extract of circuit diagram attached)
• Remains in standby after changing power IC. (extract of circuit diagram attached)
• 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.
• Automatic B/G-L detection does not work correctly with the Nicam sound carrier (TF1, FRANCE 2).
• Dark screen. on the right. (part of circuit diagram displayed)
• Channel TF1 (channel 22) does not hold in SECAM: remains in PAL. The other channels are normal.
• Very pale picture which is shifted to the left. Voltage is correct. (part of circuit diagram displayed)
• Shuts down. (part of circuit diagram displayed)
• Control unit does not function. Does not switch on. (picture attached)
• No PSU start-up.
• Centre of snowy picture is darker than edges. (picture attached)
• Horizontal collapse. after a while. (part of circuit diagram displayed)
• Top third of screen has ragged vertical lines. (29 tip from SCHAUBLORENZ)
• Picture with a 10cm vertical band on the right side. Negative picture behind this black band.
• Does not go into text mode, mix mode is not possible.
• No control and cannot be switched off when started up from standby.
• Enter service mode.
• Long picture at start up, black screen with rainbow spots.
• Picture shaking in a random direction. (part of circuit diagram displayed)
• PSU doesn't start-up or only after a while. Cracking sound.
• Defective linearity.
• Excessive brightness. Flyback lines. (+ extract of circuit diagram)
• Only blue light at right in picture.
• Poor PSU start up. Severe crackle in the loudspeaker.
• Remains in standby. Starts up when wiper forced. 88 on display. No picture and no sound. Goes into standby as soon as switch is released. (extract of circuit diagram attached)
• PSU switches from standby to safety mode at switch on.
• Hum bars, especially on yellow or orange background.
• Does not switch on. Fluttering noise from the loudspeakers. (extract of circuit diagram attached)
• Power supply seems to remain in safety mode. (+ extract of circuit diagram)
• Picture shifted to the left. Sometimes picture fails completely, then still only picture blanking stripes visible. (picture attached)
• Approx. 1cm bright, vertical line on the right hand side of the picture approx. 10cm from the edge.
• Can be switched to standby only if power plug is pulled out.
• Noise in picture. Poor horizontal synchronisation.
• At switch on picture is condensed tnen enlarged. Pops loudly at approx 2 pulses per sec. Intermittent blast from speakers. (+ extract of circuit diagram)
• Switches to protection mode. at start-up. (picture attached)
• Sound cracks. Switches off. Display stays. Can be restarted with RC. (+ extract of circuit diagram)
• If switched to standby, appliance pulsates and can be heard in loudspeakers. (extract of circuit diagram attached)
• Motorboating noise at switch on. Pin 13 of the TDA8372A is unsoldered. TV no longer pulsates. Power supply voltages ok. (part of circuit diagram displayed)
• PSU chirps, at the same time bubbling and hum in loudspeakers. No functions. (part of circuit diagram displayed)
• Cycles on/off.
• 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.
• Attempts to start with no result. (part of circuit diagram displayed)
• E/W trapezium does not function.
• Poor audio.
• Bright picture. on the right. Dark picture. on the left. (extract of circuit diagram attached)
• Picture tearing. (SCHAUBLORENZ - 29 information)
• Faulty colour (green tinge, on upper picture edge, intermittently present). B/W picture OK. TXT and menu are OK too. (SCHAUBLORENZ - 29 information)
• HV arcing. (part of circuit diagram displayed)
• After approx 20 mins colour TV switches off.
• Intermittent no image or yellow colouring. Knock sensitive. (part of circuit diagram displayed)
• Operation commands are not carried out.
• No synchronisation during the first few mins. (+ extract of circuit diagram)
• Only standby LED lit. LED switches off at switch on then no function.
• Picture collapse on half of the picture. (SCHAUBLORENZ - 29 information)
• Dark picture on 2/3 of screen on the left but brighter on 1/3 of screen on the right. (+ extract of circuit diagram) (29 SCHAUBLORENZ repair tip)
• No start-up from standby.
• Does not start up each time. When it functions, whistling and modulation of picture. This gets less in time.
• Pulsating picture. (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.
• Standby display lights up for a short time. Line output stage attempts to function, but switches off immediately.
• Goes into safety mode at switch on. If FBT is unsoldered then HT is re-established. No apparent S/C in secondary of FBT. (with circuit diagram extract)