524635 / SBR [TV]

• Intermittent flashes of light.
• Vibrates in standby after 5 mins. (with circuit diagram extract)
• Chatters during 30 secs at start up when cold. (picture attached)
• No line scanning. Display ok. (SBR - 524635 information)
• Tuning drifts (intermittently).
• 34V fails when connector 17G is connected onto the AST board.
• Memory loss on channels TVC14/110.
• Motor boating noise in standby. Everything else ok.
• At switch on, no display and noise in the loudspeaker.
• No colour after replacing line BU. (+ extract of circuit diagram) (524635 tip from SBR)
• But 11 blows at start up.
• Slight vertical jitter for several minutes. No start up at cold.
• With a bar pattern, white flash with flyback line at start up then fluttering at the white level, then ok. G2 voltage increases during these flashes. Same on the picture.
• BU blows or heats up too much.
• After operating for a few mins, channel goes to AUX or 1. Impossible to change channel from control panel or RC.
• Insufficient EHT.
• Vertical collapse (intermittently). (with circuit diagram extract)
• Flyback raster at switch on on the whole of the screen then occasionally disappears and comes back again before disappearing again after approx 20 secs.
• Scanning BUT 11A is destroyed either when appliance is switched on or during function at any time. (extract of circuit diagram attached)
• Wavy vertical lines. (extract of circuit diagram attached)
• No start-up. (picture attached) (524635 SBR repair tip)
• On PSU BUT 11 fails regularly after operating for 2-3hrs. (+ extract of circuit diagram)
• No G2.
• On the line circuit, the BUT11A is defective. (part of circuit diagram displayed)
• Deflection BUT11AF blows after 3 secs at switch on. (part of circuit diagram displayed)
• The BUT 11 on the power supply is defective. (extract of circuit diagram attached) (524635 SBR repair tip)
• Flickering picture. (524635 tip from SBR)
• Curling on the verticals. (+ extract of circuit diagram)
• Occasionally picture flickering. Grey screen and flyback line. (picture attached)
• Dark screen (intermittently).
• Power supply modification (valid for a module with 90 degrees only).
• Power supply is destroyed if the brightness or the contrast is activated.
• Loss of channel memory.
• Blurry picture. Buzz in audio. (service info for SBR -524635)
• 5cm of picture missing at bottom of screen. (picture attached)
• No colour. Replace the TDA 3590 appliance. Correct power supply. The sandcastle does 12MS instead of 10MS. Correct width.
• Line BU blows after approx 3 months.
• Severe whistling in sound and picture.
• Slight hum on vertical lines. (+ extract of circuit diagram)
• Incorrect horizontal amplitude, bands on each side of screen.
• Occasionally white flash. Picture ok.
• The picture is unstable and moves horizontally.
• Switches to standby.
• Tube does not switch on. No sound. Appliance switches on and front panel display indicates the channels correctly.
• R3462 burns out straight away. Voltages are correct. (+ extract of circuit diagram)
• Blue dominance in LF.
• Distorted picture. (extract of circuit diagram attached)
• Occasionally and at switch on line BUT11A shorts.
• Severe picture instability at switch on and humming sound. Everything returns to normal after a few mins. (part of circuit diagram displayed)
• Electric arcs at the level of the tube socket and band on each side of the picture. Adjusting the line amplitude has no effect.
• Black and white picture with 3cm green vertical bar on left hand side. (part of circuit diagram displayed)
• Appliance does not work with the remote control. Remote control is correct in the TV position.
• Power supply transformer blows after 5 mins.
• No 16V on pin 9 when line transformer disconnected. (with circuit diagram extract)
• Start up ok, dead after a few secs.
• The line BUT11A blows. The appliance can function from one hour to eight days. (part of circuit diagram displayed)
• Switches off by itself.
• Memory loss on channels TVC14/110.
• Intermittent flash. (524635 tips)
• No focus.
• Vertical line tearing.
• When appliance is switched on vertical instability. Picture trembles and 3cm wide coloured lines run down the screen. This disappears when appliance is warm.
• Dead. after a few minutes.
• Slight dark waves running through the screen. Waves are not obvious but annoying. (picture attached)
• BUT 11 and fuse blow at switch on. Value of resistors 3638 and 3639?
• E/W fault. (+ extract of circuit diagram)
• Line BUT11 blows when changing channels. (part of circuit diagram displayed)
• Does not display last channel at switch on. Blue screen half of the time at switch off. (service info for SBR -524635)
• Horizontal ripples on the picture. (with circuit diagram extract)
• Corrective maintenance of the PSU.
• Foldover at bottom of screen with a black part.
• The very high tension reaches the tube. The current reaches the plastic case. (SBR - 524635 information)
• Incorrect vertical linearity. (extract of circuit diagram attached)
• No picture (via SCART). (extract of circuit diagram attached)
• Changes channel on its own. Switches to B/W occasionally. Switches on by itself when in standby.
• Blue screen. No audio. Display OK . (extract of circuit diagram attached)
• No picture, no sound and loud noise at switch on.
• It takes 15-30 secs or even more for the picture to appear. Display lights up.
• Sometimes micro power cut or pulsating.
• Power transformer blows after TV is off for a long time.
• Appliance blows from time to time and under shock conditions, but good solder joints.
• Horizontal stripe.
• No picture. Sound OK. Tube heater lights up.
• No video. The screen is white for 30 minutes and the sound is correct.
• E/W picture distortion: Picture is bent inwards as if pincushion problem but with no black appearance. (524635 tips)
• No audio.
• No chroma in SECAM, ok in PAL. (picture attached)
• Vertical deflection IC or line transistor often blows.
• Does not switch to standby. (524635 tips)
• Impossible to memorise a new channel, search functions.
• Picture is green in colour but normal in black and white.
• Power supply fault. (with circuit diagram extract)
• Excess of white in picture, adjustment impossible. Colour and contrast ok.
• R3303 heats up slightly.
• No sound, picture or scanning. The display is ok.
• No E/W correction.
• No picture, white screen with flyback line. Sound ok.
• When cold, small vertical jump and small horizontal stripes on the picture. (part of circuit diagram displayed) (524635 tip from SBR)
• Red picture for 20 secs then normal when cold.
• Cycles on/off.
• Power supply pulsates in safety mode and no sound or picture. (picture attached)
• Stretched picture.
• No more video. Scanning and sound are correct but there is a black screen. (with circuit diagram extract)
• Significant undulation of verticals when changing channels.
• Power supply goes into safety mode when 34V supplied to pin 2 on AST interface board. (524635 tip from SBR)
• White line in middle of screen. (picture attached)
• Flyback lines (intermittently). (extract of circuit diagram attached)
• Line time base BU11A blows after a certain time. (picture attached)
• PSU does not start up when cold.
• Power supply BU and fuse blow at start up.
• Severe vertical linearity fault. (picture attached)
• Blocks in Pal. On connector 13 AST board. 5V in 13-2 L standard. 0V in 13-1. (part of circuit diagram displayed)
• Trips when cold. It is not possible to reproduce the fault by cooling the appliance. Functions normally after 10 minutes. (524635 tips)
• TV cuts out after 15 minutes. (part of circuit diagram displayed)
• No synchronisation.
• Becomes dead after 10 minutes in standby. When switched off, it starts up after 20 minutes. OK during reception.
• PSU pulsates when TV cold producing a broken up sound. Front panel LEDs flash. No EHT. Fault disappears when 13J and 12G are unplugged towards deflector and CRT board. Fault disappears after heating up for 2 mins.
• Shuts down (after warm-up). (524635 tips)
• The appliance does not start up. When switched on the transformer crackles for a moment then the noise stops.
• Severe whistling on sound and picture. (service info for SBR -524635)
• Goes into PAL. Ok in test pattern, negative in video mode. Other functions ok.
• Intense noise with beating.
• The IC 6300 is destroyed when the appliance starts up and the BUT11A may follow.
• No start-up (intermittently).
• Procedure to carry out the white balance.
• PSU fuse 1600 blows at switch on.
• Slight hum in loudspeakers in standby. (524635 tips)
• The television set switches off after working for a moment. (part of circuit diagram displayed)
• Loss of channels as soon as TV stops.
• Picture flashes quickly according to picture content. Line output transformer hisses rhythmically to the picture. (524635 tips)
• Wavy vertical picture and poor instability during first 5 mins when cold. (extract of circuit diagram attached)
• In scart, Secam or Pal picture coming from a VCR is ok but with a satellite demodulator, it is black and white in Secam but colour in Pal. (part of circuit diagram displayed)
• Motorboating noise from speakers. intermittently.
• Power supply BUT 11 is destroyed at switch on. (picture attached)
• Lines in picture. (picture attached) (524635 tips)
• Blue screen at switch on, display not lit. No sound. (picture attached)
• No start-up. No front display.
• No switch on when hot, LED remains off.
• Flyback line on a central band and on the entire height.
• Vertical and horizontal picture instability.
• Poor sandcastle signal on output of pin 17 of the TDA 2579N5. The signal given by the oscilloscope is the line signal.
• Vertical lines scrolling up and down the screen. Jagged verticals.
• Very strong moire effect and venetian blind effect. (with circuit diagram extract)
• Tripping (when cold). (picture attached)
• Picture appears slowly. Audio OK .
• Picture jitters very fast on some channels. Fault reduces for several minutes after switch on.
• BUT11AF blows after 5 secs. (extract of circuit diagram attached)
• Raster and line unstable. (with circuit diagram extract)
• No tuner or scart reception. No channel display and no search. FBT ok, brightness present.
• Colour flashes. (picture attached)
• OK for 2 to 3 hours then switches off.
• No picture stability, picture runs through. (part of circuit diagram displayed)
• The LF amplifier blows periodically (T6502, T6501).
• Value of voltages on CNX.
• No colour.
• Pumps at switch on. After a few attempts CTV starts up and functions very well then after a few days power supply TDA and BUT 11 blow.
• Picture outlines are distorted by streaks. Occurs mainly when cold.
• No reception.
• Very strong moire. (+ extract of circuit diagram)
• Line transistor (BUT11AF) blows at switch on or after a few mins.
• Horizontal linearity fault, picture compression at right hand side of CRT. (+ extract of circuit diagram)
• No colour in the picture which is ok. Vertical screen effect on the 3 base colours.
• Excessive horizontal size.
• CTV remains in U setting on the display, the channels do not go through when opening or closing memory, 1st digit U 2nd digit G is lit up.
• E/W fault and purple spot at top of screen. (+ extract of circuit diagram)
• Switches off by itself (after warm-up).
• No colour (intermittently). (+ extract of circuit diagram)
• Flyback lines or pulsating brightness when G2 is adjusted.
• Front panel does not work. Sound increases to max at switch on or when changing channels. RC ok.
• Blows fuse. at start-up.
• Volume varies.
• Hum in audio. Noise in picture. (with circuit diagram extract)
• Remains blocked in standard I but functions in SECAM when passing via the scart.
• 3320 blows instantly. (part of circuit diagram displayed)
• Power supply hum on picture and chroma nuance. (+ extract of circuit diagram)
• Excessive picture flickering which varies according to picture content. (+ extract of circuit diagram) (service info for SBR -524635)
• Line BUT blows after a few mins. (+ extract of circuit diagram)
• No start-up. No display.
• Occasionally the picture disappears and the power supply pulsates. On the screen, flyback lines pulsate with the power supply.
• TV ok but sound and brightness commands erratic when you go into standby via the RC and when appliance is started up by the RC. Everything returns to normal if you stop with the mains switch.
• On switch on, the picture is completely white with flyback lines then the screen is completely black. (with circuit diagram extract)
• No sawtooth frame at output of TDA2579. (extract of circuit diagram attached)
• Line transformer BUT11 blows after 5 mins.
• Tube cuts out with sparks on the pins of the RGB amplifier board. Visible arcs going into the ground.
• Reduced horizontal size. (picture attached)
• At start up the picture is distorted through scanning.
• No picture. Audio OK . (+ extract of circuit diagram)
• Space between the lines is too large and strong moire effect.
• Curling in picture.
• Unstable top lines at switch on and when switching over channels. (with circuit diagram extract)
• No scanning. Horizontal white line. Very random problem. Solder joints ok.
• Power supply goes into safety mode via secondary 32V.
• Only the TEA 1039 blows after working for a week. (524635 tips)
• No display. Noise from loudspeaker at switch on.
• No RC functions. (524635 tip from SBR)
• BUT11 blows every 8 days. (picture attached)
• Pulsates.
• Poor colour. (with circuit diagram extract)
• Power supply fuse and BUT12 blow after 10 secs. Solder joints ok on the heating parts.
• Sometimes at switch on power supply pulsates very quickly and noisily.
• No picture. OK via SCART . (524635 SBR repair tip)
• Coloured circle in middle of screen and no start up when previously switched off by ON/OFF switch from standby. When switched off by ON/OFF switch colour circle remains for a long time.
• Defective R3462 (East/West). (+ extract of circuit diagram)
• Connection of a loop system to the TV.
• Noisy power supply.
• When put into standby the sound cuts out but picture is still apparent in black and white but is fairly dark.
• At start up TEA 1039 blows after a week. (extract of circuit diagram attached)
• BU 508 goes S/C in time base after a few hours. (part of circuit diagram displayed)
• The power supply stops for good when appliance is operating.
• Black bar in middle of screen.
• Strong moire with colour saturation.
• Supply voltage pulsates at channel switchover. Otherwise TV works normally.
• Unstable vertical picture, jumps and lines, then picture becomes ok but goes defective again. (extract of circuit diagram attached)
• Curling or small fine horizontal lines on the screen (BU508 in line). (+ extract of circuit diagram)
• Brightness varies.
• Corrective maintenance of the line scanning.
• Too much THT when starting up. Flash of light on the screen.
• Stripes on the picture or intermittent black and white picture.
• BU508A blows after working continuously for approx one hour.
• Black screen.
• Goes into safety via interface board.
• Line and raster distortion according to picture content. (+ extract of circuit diagram)
• Picture is narrowed half way up and pincushion on the picture.
• Vertical green bar on left side of screen after a line fault.
• Line amplitude too high, electrolytic capacitors ok.
• PSU pulsates. Switches to protection mode.
• Line BUT blows frequently.
• Curling on the picture outlines. (extract of circuit diagram attached)
• Pulsates at switch on then is ok. Sometimes micro power cut when hot. (extract of circuit diagram attached)
• Unstable picture which fails and twists occasionally via scart. Everything ok via UHF aerial.
• Loud noise on sound at switch on. Picture rainbow colours flicker.
• Line BU blows at start up. (once out of 3). C2320, 2324, 2325, R3321 have been changed. If start up is ok, appliance functions correctly. (with circuit diagram extract)
• BUT11A heats up. Line start up is too weak. (+ extract of circuit diagram)
• Vertical line.
• No picture. (part of circuit diagram displayed)
• No red at output of TDA3562. After replacement the same. Ok in PSU. Blue and green normal.
• Picture is too wide, you do not see the M6 signal. (+ extract of circuit diagram)
• Horizontal deflection is faulty. Jagged, unstable vertical lines (scrolling up and down the screen).
• Black screen. With brightness, contrast and colour at max levels picture is slightly visible but extremely dim. Cloudy picture, no green. Focus control does not react.
• Contrast changes. Vertical jitter in picture.
• No start up and motor boating sound.
• No EHT. Sound ok.
• BUT 11 power supply blows after functioning for 4 days. (+ extract of circuit diagram)
• Line BUT11 blows after 15 mins. (picture attached)
• Some colours are dominant and power supply hum on picture. (part of circuit diagram displayed)
• Unstable horizontal amplitude.
• No or poor synchronisation.
• Wavy picture. (picture attached)
• No picture. Black screen, frame disappears. Sound ok. (picture attached)
• No display. Deflection is OK.
• No raster. Distorted audio (intermittently).
• When put into standby a slight hum remains in the speaker. When restarted with the RC, standby light switches off and channel no. does not light up. Continuous hum.
• The picture is extremely distorted and unstable. Incorrect video.
• Screen becomes blue. Ok when G2 adjusted but then traces of flyback lines. Screen becomes blue again when signal is cut out.
• Vertical scanning is reduced to an amplitude of 3 or 4cm. (part of circuit diagram displayed)
• Vertical unstability when cold.
• Picture and sound interrupted briefly with strong noise mostly in AV and at random.
• No deflection. No line. No raster. Only display functions with or without RC.
• Rapid pulsation of the brightness, at the same time a horizontal line appears then disappears at the top of the screen.
• Remains on channels 0 and AV with control panel.
• No picture. No tuner reception, tuner ok. (part of circuit diagram displayed)
• 5322 and R3320 blow. BU508 is always intact.
• Intermittent flashes. (picture attached)
• No start up of the power supply. Remains in standby with line BU disconnected.
• Venetian blind effect in picture. Moire effect.
• Power supply BU blows at second or third switch on.
• Picture drift.
• White picture after 15 mins. (picture attached)
• Switches off by itself (after a few minutes).
• R3462 on the East/West circuit blows.
• Slow start-up. (with circuit diagram extract) (524635 SBR repair tip)
• At switch on fuse 1600 (1.6A) blows. (+ extract of circuit diagram)
• Switches off after a certain time. Control panel display is lit. Fault disappears when unplugging.
• BUT 11 and fuse blow on switch on. (extract of circuit diagram attached)
• Does not start up in AV. Erratic display.
• Occasionally unstable horizontal amplitude. Shock sensitive.
• Line transistor BUT11 6322 blows, almost immediate S/C. (extract of circuit diagram attached)
• Line BU blows. C2324 and C2325 have been changed.
• Safety test after repair.
• Sometimes picture vibrates and FBT whistles excessively. (with circuit diagram extract) (524635 tips)
• Switches into safety after 5 minutes. E/W problem.
• White screen with flyback raster. (+ extract of circuit diagram)
• Occasionally line BU trips. (extract of circuit diagram attached)
• General information. (524635 tip from SBR)
• At start up EHT noise which increases then decreases to remain steady at a normal value. No display and no sound but significant hum. Dark screen with EHT.
• When changing channels horizontal instability at top of picture during 1 or 2 secs. (with circuit diagram extract)
• Low contrast. (part of circuit diagram displayed)
• PSU pulsates (intermittently). (picture attached)
• BUT11A destroy.
• R3320 smokes.
• Grey picture and no video with colour lines at top of screen. OK in scart but no signal; at pin 22 of IC6104. 12V OK on pin 13, -21.5V OK pin 6-7 on the contrary on pin 10 with or without aerial signal 0.118V instead of 8V.
• Line BUT11 fails after a few days.
• At switch on black screen followed by green bars in the middle of screen. A few seconds later screen is blue and snowy but no tuner reception. Tuner ok. (extract of circuit diagram attached)
• CTV functions for 1 hour or 2 days.
• BUT 11A 6322 EHT part is s/c. (extract of circuit diagram attached)
• Linearity fault and picture foldover at bottom of screen. (part of circuit diagram displayed)
• Display flashes. Noise in the sound and darker bars over the entire screen.
• Dark picture. No brightness control. (with circuit diagram extract)
• Switches to protection mode (after a few minutes).
• PSU trips or does not start up. Fault sensitive to shocks.
• BU508 heats up abnormally.
• No tuner reception, snow in picture and no sound. Occasionally some reception.
• Poor vertical synchronisation. Weak contrast. (+ extract of circuit diagram)
• Green spot in centre of screen at switch off.
• PSU does not start up. Display ok.
• Smoke from R3500, 6502 and 6501. (extract of circuit diagram attached)
• Line BU blows when started up.
• End stage BU blows at switch on.
• No start-up from standby.
• Audio module transistor blows after a month.
• N/S fault. 10cm black band at top and bottom of screen. No loading but voltages are ok.
• Picture trembling according to its content.
• Jumps in the brightness or contrast. Occasionally stops then starts again. (524635 tips)
• No start up. Very significant vibration.
• Functions at start up then 5 to 10 mins after there is a flash on the screen and appliance stops completely. General switch is on off.
• Vertical, white line (0.5cm) in the middle of the screen. (picture attached)
• TEA1039 only blows occasionally when TV starts up.
• Stuck in standby. (part of circuit diagram displayed)
• Frizzy lines on screen when cold.
• When the TV is in standby only the sound is absent. Everything else still functions.
• General switch on ON: the TV functions then after 3 to 5 mins there is a flash on the screen and everything stops. If the switch on OFF then is goes immediately to ON: dead.
• No power supply on tuner.
• Problem in transistor line 6320 BC337 at bottom of driver.
• Sound is normal but the picture type is not decoded.
• It is impossible to change the regulation. The MP locks.
• Goes into safety mode when put into standby mode.
• Black bars. (part of circuit diagram displayed)
• CTV does not function in manual. Impossible to open the memory and to change channels. Ok via RC. (service info for SBR -524635)
• No EHT. Incorrect signal on pin 11 of TDA 2579. PSU ok. (part of circuit diagram displayed)
• Slightly insufficient horizontal amplitude on right side. Picture lacks 1cm. (part of circuit diagram displayed)
• Does not always start up and occasionally begins to flash during operation.
• Too much EHT. (with circuit diagram extract) (service info for SBR -524635)
• BUT 11A destroyed after operating for one month.
• BUT11 and D6654 blow after 15 days.
• Problem in Canal Plus. Becomes B/W with decoder. OK with bright scenes
• Blurred screen with picture shaped like a trapezium. Flashes.
• Black and white picture. Picture shift, black bar and no colour. (with circuit diagram extract)
• Lights up on key 29. Does not always respond to the codes of the RCU.
• When changing picture the light reduces then returns to normal with another change of setup. (SBR - 524635 information)
• The TV functions for 10 days then cuts out. When left to warm up for 10 hours, no fault. (SBR - 524635 information)
• East/west problem. No east/west or line amplitude adjustment.
• Smoke from R3500 in LF.
• TEA1039 and fuse blow at switch on.
• Resistor 3320 burnt, no visible S/C.
• Power supply starts up then clicks 2 times.
• At switch on the verticals break up. Ragged verticals after 10 mins, vertical stability remains delicate according to the picture content. (with circuit diagram extract)