289325 / SBR [TV]

• Black bar at bottom, or no raster. (+ extract of circuit diagram)
• Picture compressed at bottom and expanded at top of screen. White line in middle of screen. Usually ok when appliance is warm. (picture attached)
• Tuning drifts. (+ extract of circuit diagram)
• No raster from cold. Appears gradually from bottom of screen. (+ extract of circuit diagram)
• Black screen. Audio OK .
• Picture pumps/flashes, buzz in sound. (+ extract of circuit diagram)
• Foldover with bright line across centre of screen, and top stretched.
• Whistling. (extract of circuit diagram attached)
• Fuse 1657 is defective and no picture.
• Switches to protection mode. PSU whistles. (289325 tip from SBR)
• R3486 and D6486 burn at switch on.
• No contrast control. Flyback lines. (part of circuit diagram displayed)
• Black bar. at top. OK after a while . (+ extract of circuit diagram)
• Sound disappears on Canal Plus and intermittently.
• No shutdown with RC. RC OK. (picture attached) (service info for SBR -289325)
• No STEREO.
• Green picture. Flyback lines. (part of circuit diagram displayed) (289325 tip from SBR)
• Blank picture. Picture begins to appear if left on for a long time, about two inches from the bottom of the screen. (+ extract of circuit diagram)
• Horizontal synchronization adjustment.
• No analog functions. Audio balancing LED (25CE4570) is lit.
• Rattling in standby mode.
• Cramped frame horizontally and vertically. (+ extract of circuit diagram)
• Shuts down. after start-up. (289325 tip from SBR)
• Coloured half line. F3 appears in the display.
• Supply overloaded (set peeps). (part of circuit diagram displayed)
• No sound in PAL.
• Black screen. (part of circuit diagram displayed) (SBR - 289325 information)
• Bright picture with flyback lines for a short time, then cuts out. (extract of circuit diagram attached)
• Begins to whistle after approx 2hrs. If switched off then on again, it runs again for 2hrs. (+ extract of circuit diagram)
• 6.242MHz adjustment - Audio section.
• TV starts and displays E3. Front controls and RC do not function. (part of circuit diagram displayed)
• BUT becomes repeatedly defective.
• TXT has swaying (S shape). (part of circuit diagram displayed)
• Upper picture third is brighter (linearity fault). (+ extract of circuit diagram) (289325 tip from SBR)
• Raster appears slowly. (with circuit diagram extract)
• Whistling. after start-up.
• Appliance may stop by itslef when warm. Impossible to start it up again. Also stops when warm if you zap to an inexistant channel without a module. Sound and picture present.
• Lacks height then slight clicking. Slight whistling from the line transformer. BU508AF (7618) is defective. Replaced but heats up and blows. Periphery appears to be ok.
• Repeated failure of T7687 (BUT12A). (extract of circuit diagram attached)
• Picture fades and sound hums. (part of circuit diagram displayed)
• Sound but no picture, horizontal bar 2cm from the top of the tube. The picture appears after working for a few mins. (+ extract of circuit diagram)
• No vertical synchronisation. (picture attached)
• The picture is not straight (vertically). (picture attached)
• Checking the power supply. (extract of circuit diagram attached)
• Poor picture. Horizontal lines.
• The line end transistor SD1577 short circuits at once when the appliance is switched on. Resistors 3620 and 3619 (56R) blow. C2609 has been replaced. No dry joints.
• All vertical edges in picture are wavelines.
• No channels. No decoder function. intermittently.
• No picture. No audio. HV OK. .
• When the volume is loud the picture is wavy vertically in rhythm with the sound. (part of circuit diagram displayed)
• Line BU heats up and blows. No line transformer or display and R3619, R3620 are burnt.
• Switches to protection mode. intermittently. PSU whistles.
• Intermittent interference on channels 5 and 12. Only when changing channels.
• Weak picture. TXT OK. Contrast is adjustable but cannot be set properly. (+ extract of circuit diagram)
• Programming of the EEPROM after replacement.
• Switches off and whistles after 10 minutes of function.
• Safety test after repair.
• White screen. Flyback lines. at start-up. (289325 tips)
• Maximum picture width, cannot be regulated, fuse 1601 is defective. (extract of circuit diagram attached)
• Picture appears slowly. Audio OK . (extract of circuit diagram attached)
• Distorted audio (on the left). (picture attached)
• No operation. (with circuit diagram extract)
• Protection mode activated. (+ extract of circuit diagram)
• Character error.
• Frame fault when warm. Light line or band on approx 15cm starting from top of screen.
• Half of the picture is a black space which runs to the top half. After 1 min. it becomes smaller and pulls to the left. Picture is then fine.
• Only a beep audible at start-up.
• Tuning unstable. (+ extract of circuit diagram)
• Blank screen. (picture attached)
• TXT stops on page 100.
• Picture appears slowly. (+ extract of circuit diagram)
• Black screen. After 5 mins white line on lowest third of CRT. (part of circuit diagram displayed)
• No audio. Picture OK .
• Circuit cloche adjustment.
• Option adjustment.
• Picture is visible on left and right. Drop out bars in the middle. (with circuit diagram extract) (SBR - 289325 information)
• Non-linear picture on upper side. (extract of circuit diagram attached)
• No display. (part of circuit diagram displayed)
• Hum in sound. Sound only comes through quite quietly. (with Chassis 2B version 3). (part of circuit diagram displayed)
• Approx 5-10 secs after switching ON, image is unsynchronized, after that period all functions are OK. Same problem after each channel switching.
• 140V can not be adjusted.
• Picture shrinks and controls no longer adjust sufficiently when warm. Functions correctly for 15 mins when cold. Line transistor overheats and sparks. (picture attached)
• Picture is blank, appears after several mins with vertical fault (linearity or height).
• No sound, display flickers (apparently in rhythm of audio signal). Picture is OK.
• Squeaking line transformer power supply and no HT.
• PSU beeps. (service info for SBR -289325)
• Does not stop at channels during automatic search.
• Light band in top of picture.
• Raster IC TDA3653AQ constantly goes defective (sometimes after a week, sometimes 3 weeks). Voltages are correct. (with circuit diagram extract)
• RF radiation affecting band 2. (289325 SBR repair tip)
• Crackling from speakers, especially after switch on.
• Commands of the remote control do not function but operating the appliance manually is ok.
• Faulty raster. (with circuit diagram extract)
• On certain stations,a different channel can be seen, blue and yellow waves appear on the picture.
• Does not function well. Programme numbers change spontaneously, switches to stand-by etc
• Dark picture or half of picture is bright and half dark. (part of circuit diagram displayed)
• Dark bar in the top tird. Linearity ok. (+ extract of circuit diagram) (service info for SBR -289325)
• White stripes in picture for 2-3 minutes. (picture attached)
• Vertical fails, stripe or partial picture.
• No sound via HF and AV. (picture attached) (SBR - 289325 information)
• Refs of transistors beside the power supply BUT 12. (extract of circuit diagram attached)
• Crackling "tick" in first half hour. No display during tick then display switches to channel 1.
• Picture with horizontal stripe, then it disappears after short while.
• No VHF channels.
• Purple and green colours saturated. Same colour problem via scart.
• No MONO audio. STEREO OK .
• Poor synchronisation. Muted audio. Line tearing.
• Squealing from PSU. (extract of circuit diagram attached)
• Picture collapse depending on volume.
• Noise from the HV transformer in standby. (part of circuit diagram displayed)
• +140V power supply voltage adjustment.
• STEREO matrix adjustment. (SBR - 289325 information)
• No audio. OK via SCART . (extract of circuit diagram attached)
• Picture changes jerkily. Tuning voltage changes. Error occurs most of the time in the first mins. May also only occur with individual programs. (picture attached) (289325 SBR repair tip)
• No horizontal deflection.
• Teletext shakes vertically. When switching channels the top of the screen momentarily moves horizontally.
• No tuning from Band 1 and 3.
• The picture is white and shows flyback lines. The appliance goes to protective circuit. (extract of circuit diagram attached) (289325 SBR repair tip)
• Incorrect display. TXT and lines disappear.
• Picture foldover, black striations in picture, especially in high channel range.
• Either commands are blocked intermittently, IC7830 starts up, or occasionally small interruptions in the sound and picture or the PSU pumps now and again. (picture attached)
• Picture tearing when pressing the sound with sharp hum in the loudspeakers. Occasionally no sound or crackling at the start. (with circuit diagram extract)
• Protection circuit active (set hiccups). (picture attached)
• Picture height flashes occasionally.
• Dark picture. (+ extract of circuit diagram)
• Excessive brightness. (part of circuit diagram displayed)
• No channel search. Blurred picture, starts from program site 0.
• VHF fails or moire effect. (Possibly knock sensitive].
• Horizontal line. on upper half screen.
• Stuck in standby. (with circuit diagram extract)
• Channel 52 is indicated on all stations although the correct channel has been entered. (extract of circuit diagram attached)
• No start-up. (+ extract of circuit diagram)
• Saturated green screen (impression that the tube is defective). (with circuit diagram extract)
• The picture does not stand still, looks as if its laying next to a station. (with circuit diagram extract)
• Stops and twitches after short time.
• Focus varies.
• PSU whistling at switch on. Sometimes starts up after a few mins. Ok when warm. (picture attached)
• Wow and flutter on French channels.
• No functions. Standby LED lit .
• Interference in picture. (extract of circuit diagram attached)
• No synchronisation. when cold.
• No start up. High pitch noise is audible.
• Sometimes appliance switches on and occasionally it goes to SAFETY mode.
• Incorrect regulation of voltage on +140V line. (289325 tip from SBR)
• Wavy picture and hum in sound. Crackling in PSU. (with circuit diagram extract)
• Purple picture after loose connection of brown wire to picture tube base and aquadag coating. Colour changes to white with intermittent flyback lines. Picture contents in background but distorted then they disappear.
• Error message F6 appears on display.
• When switching on from cold the top part of the picture appears completely black or else with a dark band 6-8 cm high. Defect disappears when the appliance warms up. (part of circuit diagram displayed)
• No picture, no sound. After 5 mins picture with line sync problem and no sound. After 10 mins colour appears on picture but still no sound. (+ extract of circuit diagram) (289325 tips)
• When the voltage becomes more than 140V, the BUT explodes.
• Picture varies when volume high. (extract of circuit diagram attached)
• No Nicam sound. All other fm sound ok. (part of circuit diagram displayed) (SBR - 289325 information)
• Poor vertical linearity. (+ extract of circuit diagram)
• High audible tone. (extract of circuit diagram attached)
• Wavy picture. Does not switch to standby.
• Brightness, contrast and colour will not stay in memory. (with circuit diagram extract)
• No brightness variation. Does not memorize.
• No line synchronisation at top of picture during channel switch over for 2 or 3 seconds and during program broadcast. (picture attached)
• No sound. Stations seem to run away. (extract of circuit diagram attached)
• Receives all the UHF channels. VHF channels are memorized, but picture only from several UHF channels. (with circuit diagram extract)
• Only UHF functions. (289325 tips)
• Tuning drifts. when cold.
• Low brightness. Low contrast. (picture attached)
• White screen. Flyback lines. Switches off by itself. (+ extract of circuit diagram)
• Green flyback lines on a dark picture. (picture attached) (289325 SBR repair tip)
• Line compression in upper picture part causes brightening of picture. Bright stripe.
• 140V goes up to 300V. Line output transformer immediately goes defective. (+ extract of circuit diagram)
• Vertical fault. when cold. (+ extract of circuit diagram)
• Picture is disorderly and unstable, especially horizontally.
• Sparks from crowbar protection. (289325 SBR repair tip)
• Black screen when cold. Picture appears at the bottom then moves gradually over rest of screen. (with circuit diagram extract)
• With 2B ECO, IIC clock audible at min. volume. (service info for SBR -289325)
• Trembling picture, just on some channels. (part of circuit diagram displayed)
• R369 and R3620 burn at switch on, D1577 goes S/C and transistor heats up. (+ extract of circuit diagram)
• The picture has a blue glow. (+ extract of circuit diagram) (289325 SBR repair tip)
• In AM sound slight nasal sound and buzz.
• Horizontal white line. Black screen at switch on. Picture appears after 45 sec.
• Overvoltage protection is on (from AG 04).
• Sometimes no function or micro cuts in picture/sound. (+ extract of circuit diagram)
• Picture shifts.
• Fizzing and smoke. (picture attached)
• Sawtooth on picture and hum. E4 on display at start up then normal channel. (extract of circuit diagram attached)
• When switching on the PSU whistles and in the high voltage unit R3620 blows. (extract of circuit diagram attached)
• BUT12 S/C at start up. Changed as well as line transformer, CNX62. No start up of HT.
• No picture (when cold).
• The power supply does not start up at 210V but at 230V. (+ extract of circuit diagram)
• When picture is dark, it begins to tremble as does the sound. (with circuit diagram extract)
• Static discharge. (extract of circuit diagram attached)
• No TXT.
• No raster, green line in centre. Power supply OK. (+ extract of circuit diagram) (289325 SBR repair tip)
• Occasionally no start up or only after an extended switching on period. (+ extract of circuit diagram)
• Pincushion distortion. (+ extract of circuit diagram)
• Horizontal line only. Deflection appears after several mins.
• After one or two hours picture disappears, sound OK only blank dark raster.
• Storage of the basic value data for brightness, contrast, colour and volume is lost after switch off with the mains switch.
• No picture. Audio OK . (part of circuit diagram displayed)
• Reduced vertical size of image at top and bottom. Cannot be adjusted to normal.
• Occasionally the picture gets brighter at a successively quick rate. (picture attached)
• No colour (intermittently). (289325 tips)
• Picture disappears. Fault occurs only for approx 15mins, then appliance functions normally.
• Chroma trap adjustment - Luminance circuit.
• No start up or standby. (extract of circuit diagram attached) (289325 SBR repair tip)
• No channel input possible. The display does not switch over to channel.
• Wobbling picture and whining sound depending on picture content.
• Purity fault. (part of circuit diagram displayed) (289325 tip from SBR)
• Pincushion distortion. on sides. Excessive horizontal size. Knock sensitive. (extract of circuit diagram attached)
• Flickering picture.
• Does not tune on channel. Channels can be recognised, but appliance continues to search. (extract of circuit diagram attached)
• Line output stage does not function. The resistors R3619+3620 burn out spontaneously. (SBR - 289325 information)
• Dark screen. No sound. EHT present. 140V,13V ok. All voltages ok. (part of circuit diagram displayed)
• Shuts down (after warm-up).
• Capacitor 2617 S/C.
• No picture. No sound. Scart LED flashes in front.
• PSU squeaks (overload protection). (+ extract of circuit diagram)
• 50V instead of 140V on the line output transformer BU. (part of circuit diagram displayed)
• Set hiccups. (part of circuit diagram displayed)
• Video and display cut out. Only green light stays on.
• There is no picture or a bad picture with certain programmes.
• Stereo signal disappears. (189,25MHz) only with reception on channel 7.
• Fuse 2A blows, BUT12A OK. (part of circuit diagram displayed)
• Frame IC (TDA3654Q) destroyed after a few hours/days.
• BUT in PSU makes a S/C if chassis is tapped.
• E/W fault. (part of circuit diagram displayed)
• No brightness or picture. (with circuit diagram extract)
• No audio (intermittently). (+ extract of circuit diagram)
• Appliance runs for a few days and then switches off. (picture attached)
• 140V only reaches 77V. With a power supply voltage of 180-250V only 77V. When disconnecting deflection lead approx 85V are set without a load. No voltage on pin 1 of optocoupler.
• Goes on for a moment then goes into standby. PSU with lamp ok. (extract of circuit diagram attached)
• Picture vertically inverted in middle of screen.
• Switches to standby (intermittently). (part of circuit diagram displayed) (289325 tip from SBR)
• Hum on standby. (picture attached)
• Poor synchronisation. when cold.
• High pitched audible tone. SMPS and line output transformer with line output transistor OK.
• 6MHz adjustment - Audio section.
• Frequent breakdown of circuit transistor 7687 (BUT12A) of SOPS power supply.
• No functions. (picture attached)
• Lines are stretche in upper picture area (only in cold condition). (289325 tip from SBR)
• On some program sites only the left yellow LED flashes. Does not store.
• Vertical collapse. (part of circuit diagram displayed)
• Horizontal line at start up then raster amplitude develops slowly. Which IC is the raster generator ?
• No sound with reception of mono transmitters. (+ extract of circuit diagram)
• Vertical line (only in cold conditions). (with circuit diagram extract)
• Switches to protection mode (intermittently).
• Cut-off adjustment.
• Only partial picture at bottom of the screen. (part of circuit diagram displayed) (service info for SBR -289325)
• At the bottom of the screen 15mm of picture foldover.
• After operating for sometime, the appliance switches off. D6490 is open circuit. (part of circuit diagram displayed)
• Vertical foldover at bottom.
• BUT18AF blows even when power transformer replaced. (+ extract of circuit diagram)
• No audio. via tuner. OK via SCART .
• Hyperband channels adjustment.
• Slow build up of top part of picture. (part of circuit diagram displayed)
• Failure of line output stage. (picture attached)
• No function. Appliance whistles, protective circuit switches PSU off. BU in the line deflection is defective. Display is dark. (extract of circuit diagram attached) (289325 SBR repair tip)
• Line end stage does not start oscillating.
• High voltage BU fails constantly.
• Sound level increases strongly intermittently. Appliance switches to Programme 1. LED on TV is flashing.
• No picture in tuner or in scart. Audio OK.
• 140V too high, cannot be adjusted.
• There is radiation on the channel selector. (289325 tips)
• Picture and sound hum for 10 mins. Power BU blows one time out of ten. (+ extract of circuit diagram)
• PSU blows.
• Change of Pal/Secam for Middle East and Morocco.
• Low audio. at high volume. (part of circuit diagram displayed)
• Starts up, but shuts down immediately (Standby). Process is repeated. Numbers intermittently run through program display. (289325 tip from SBR)
• Shuts down. (part of circuit diagram displayed)
• Focus potentiometer keeps burning out. No shorts (also no UG2 short).
• When changing the bands, ie from band 1, 4 or 5 to 3 or interband S1-10 there is sometimes no picture.
• Picture shaking for a few secs when warm, then frame becomes black. (289325 tip from SBR)
• This Nicam set stuck in standby and the power supply is tripping.
• Volume changes with the picture content. Sound distorted. (part of circuit diagram displayed)
• CH LED flashes. Various unprompted functions.
• Excessive red. Flyback lines.
• Brief loss of colour during first ten minutes. Picture occasionally jumps when fault occurs.
• Ht high, will turn down to 159V but no further. (extract of circuit diagram attached)
• Can not be switched over by RC. RC OK.
• Occasionally colour saturation. (picture attached)
• Poor picture because the appliance keeps searching for channels. A good synch. pulse is not present on Pin 28 of the tuner.
• No function. Fuse Si1651 (2A) is defective. (+ extract of circuit diagram)
• After replacing defective BUT12 power supply sings for a short time. If you pull out the deflection plug the fault is still there. If you measure for 140V only 13.5V are present. Horizontal power transistor has already been replaced.
• No sound or picture. Dark screen. EXT green light on. Scanning present. (with circuit diagram extract)
• How to programme standart values after battery replacement.
• Bracket under line transformer.
• No +140V HT supply and whistling from power supply.
• Horizontal transistor fails.
• Picture appears after 5 to 10 mins then stays normal after that.
• High voltage BUT11 blows after about 5 minutes. (picture attached)
• Picture still visible in standby. Sound and display inactive. (picture attached)
• Display flashing. Picture reduced to bottom area.
• PSU chirps.
• No picture sync when changing channel (chassis index AG07) with aerial signal higher than 10mV.
• Memory does not store brightness, contrast, colour and sound. (with circuit diagram extract)
• Wavy picture. (289325 tip from SBR)
• All voltages on the secondary side are too low. U instead of +140V only 80V. (part of circuit diagram displayed)
• Intermittent picture, first OK, then snow.
• Fuse 1651 and BUT12A (Ref:7687) are defective. (+ extract of circuit diagram)
• Memory is erased. (picture attached)
• White screen. Flyback lines. after start-up. Shuts down. after a while. (part of circuit diagram displayed) (SBR - 289325 information)
• Delay line adjustment.
• Picture is considerably reduced, sometimes to a horizontal line. Then picture spreads out normally only to disappear after a certain amount of time.
• No vertical synchronisation. when cold.
• No start up. Mains switch noises.
• Poor vertical linearity, it improves as temperature increases.
• Standby light appears for a sec then nothing. The CTV has no sound or picture. Battery is ok. Voltage on the collector of the transistor is ok. (part of circuit diagram displayed)
• Picture appears after 5-10 minutes.
• Sometimes picture is blanked out at beginning of operation. (part of circuit diagram displayed)
• Linearity and vertical centering are defective. (picture attached) (service info for SBR -289325)
• Max line amplitude, max E/W correction, no adjustment possible. (part of circuit diagram displayed)
• Picture is black or grey. Sound OK. (service info for SBR -289325)
• No raster. when cold. (+ extract of circuit diagram)
• BU508AF defective, changed but heats up abnormally. Standby light flashes.
• Distorted audio. (with circuit diagram extract) (289325 tips)
• Switches off by itself. after a few minutes. Squealing noise.
• Screen is dark, sound functions or picture only appears after picture tube has heated up for a long time.
• U140 ok with mains 160V, with 220V mains control range U140 is 145V and more. (with circuit diagram extract)
• No tuning. (extract of circuit diagram attached)
• Horizontal centre adjustment.
• No RC functions.
• The sound hums, the signal only comes through quietly. (with circuit diagram extract)
• Intermittent audio and picture. Intermittent audio and picture. (with circuit diagram extract)
• Dark screen with slightly lit horizontal zone at top of picture. Spot in middle of screen at switch off. Sound ok. (with circuit diagram extract)
• Black screen on encrypted Canal Plus. All other channels OK, even Canal Plus, if decoder is unplugged.
• Unacceptable heating time of older picture tubes. (part of circuit diagram displayed)
• White saturation with flyback lines.
• Character generator SAA5243P/E. (with circuit diagram extract)
• Picture is split and black and white. (SBR - 289325 information)
• No display. Contrast, colour, sound cannot be adjusted.
• Dark screen. (extract of circuit diagram attached)
• Cuts out occasionally after 30 seconds.
• Poor sync. Horizontal lines which are more or less strong according to the picture unit. (289325 SBR repair tip)
• "E3" is displayed and 140V power supply is low. (part of circuit diagram displayed)
• Starts up with white picture and retrace lines, then falls out.
• Defective PSU. (picture attached)
• No start up. Standby LED does not light up.
• Nasal sound on some channels.
• Starts up after connecting collector BUT12A to a safe GND. (part of circuit diagram displayed)
• Black picture after switching to teletext. When switching back the picture slowly comes back. (with circuit diagram extract)
• Muted audio. intermittently. (with circuit diagram extract)
• In safety mode. In low tension arcing then line BU blows.
• Unsynchronised picture 5-10 secs after switch ON. Same problem after each channel switching. Functions OK.
• The power supply stops when the appliance has been switched on. Fuse 1601 has been checked. Secondary has been unplugged in the same way. (extract of circuit diagram attached) (SBR - 289325 information)
• Appliance had dry joints on the line transformer. BU508 AF had s/c. After replacing transistor it cut out again when switching on, although the dry joints, which must have been the cause were removed. (extract of circuit diagram attached)
• No line drive. (+ extract of circuit diagram)
• Vertical jitter.
• Picture deflection is too weak at the start, however gets better after warming up. (extract of circuit diagram attached)
• Top half of the screen slowing becomes a normal picture. (with circuit diagram extract)
• Line transformer whistles, no display.
• Colour saturation too low in 2B + CTI. (part of circuit diagram displayed)
• Nasal sound with background noise. Sound ok in scart. (picture attached)
• Picture jitter and nasal sound according to picture content.
• Unstable picture. intermittently. Noise in picture.
• Hum in standby. No errors determined while operating. (part of circuit diagram displayed)
• The picture is too wide and cannot be controlled. After about 5 min. BU508 blows. (picture attached)
• Dark screen. No brightness.
• Chroma sub-carrier oscillator adjustment.
• Bright line in the to third. It disappears if appliance is warm. (with circuit diagram extract)
• R3619 and R3620 burn out spontaneously. (picture attached)
• Buzzing from PSU. in standby.
• Initially, large white dots behind bright picture contents, followed by jump to stand-by.
• Faulty display operation.
• Grey picture when contrast and brightness are at maximum. No sound or picture via scart.
• No contrast control. (part of circuit diagram displayed)
• Excessive HV. No picture. (+ extract of circuit diagram)
• No sound and no video. Video and sound go via scart. Picture is unstable and runs through. (part of circuit diagram displayed)
• No picture or sound. Goes to safety mode. Whistling. Line transformer ok. (part of circuit diagram displayed) (289325 tips)
• No colour, screen is pink.
• Display does not show 00-20 and 70-99. Only nos. 21-69 are shown and can be tuned.
• Black vertical bars (approx. 20cm wide) on the top of the picture. At times only vertical white stripe a t the bottom. No vertical deflection.
• Washed out picture. (+ extract of circuit diagram)
• Reduced vertical deflection. at bottom.
• Sometimes no picture for 20 minutes. Sometimes no sound. Sometimes there is a picture but with interruptions, possibly lines swaying. (extract of circuit diagram attached)
• After plugging in a defective scart cable there is still only a bluish shimmering picture. IC4850 has already been replaced. (with circuit diagram extract)
• No start-up. when cold (intermittently).
• With brightness at max., raster cramps. (with circuit diagram extract)
• Scanning fault. (part of circuit diagram displayed) (service info for SBR -289325)
• Top of picture is stretched. Raster defective. (with circuit diagram extract)
• No E-W correction. Can't be adjusted.
• Teletext decoder adjustment.
• Permanently in stand by.
• Blank raster. Switches off by itself. (picture attached)
• Green tinge in picture. (with circuit diagram extract)
• No or poor tuning of offset channels. Loss of colour.
• No synchronisation.
• Only a few characters appear on teletext. (extract of circuit diagram attached)
• No vertical deflection. when cold. (extract of circuit diagram attached)
• The brightness, contrast, colour and sound commands do not function. (picture attached)
• BUT11AF has blown, replaced then nothing. No power supply. BUT11AF(7687) already changed twice in four months. (picture attached) (service info for SBR -289325)
• The picture is wobbly.
• Switches off by itself. after a while. (with circuit diagram extract)
• After switching on the appliance makes a singing noise. (+ extract of circuit diagram) (289325 tip from SBR)
• Blue haze over picture. (picture attached)
• Low contrast. Picture too small. (with circuit diagram extract)
• Line output transistor is defective and thyristor 6698 goes into safety mode.
• Picture does not synchronise correctly horizontally. No sound. If appliance runs for approx 2 mins, synchonisation appears slowly but still no sound.
• No TXT. when cold.
• Resistors 3619 (56R) and 3620 (56R) are burnt.
• Poor reproduction of copy protected VHS tapes. (+ extract of circuit diagram)
• Poor contrast and pale picture. (+ extract of circuit diagram)
• Picture is all blue with one white stripe in the bottom section. Flyback lines are also visible. TXT is faintly visible in bottom section. (+ extract of circuit diagram)
• No raster. Audio OK .
• On switch on, the speaker rattles and no other function. When the speaker switch is pushed, the set functions ok.
• Screen switched off at start up. Picture appears after 2 mins. Sound ok. Time base ok. (with circuit diagram extract)
• Loss of picture when switching to certain programmes.
• Failure of line output transistor. (part of circuit diagram displayed)
• Dark screen, CAD functions, the channels are towards 80. No memorization.
• Flyback lines and coloured smears next to images. (part of circuit diagram displayed)
• No function, PSU sings, protective circuit. (extract of circuit diagram attached)
• The speakers are defective. (289325 SBR repair tip)
• 2SD1577 fails after approx 20 secs. Distorted picture at switch on. Power supply OK with 75W lightbulb. (289325 tip from SBR)
• The picture is horizontally unstable. (part of circuit diagram displayed)
• Only half of picture is visible on bottom side. (picture attached)
• Red tinge over picture. (+ extract of circuit diagram)
• FBT BU (7618) is defective. (with circuit diagram extract)
• Distorted picture when cold in top third of screen. Picture gradually returns to normal after 10 mins. (+ extract of circuit diagram)
• After some time the appliance goes into standby. During channel search the numbers run through the display very quickly and the appliance remains in stand by.
• Excessive green. Flyback lines. (with circuit diagram extract)
• Black picture.
• Poor audio. Crackling audio. (+ extract of circuit diagram)
• Starts up and switches off immediately. Display defective, no standby LED and power supply hums.
• Intermittent colour. when cold. (extract of circuit diagram attached)
• Low audio.
• No audio. Flashing display. (with circuit diagram extract)
• BUT 12A is defective.
• No sound on both channels, only via scart. (extract of circuit diagram attached)
• Connection of a loop system to the TV.
• No colour. (289325 tip from SBR)
• PSU does not work correctly. Voltage runs out of control to approx 170V and then PSU pulsates. F3 appears in the display before the pulsating. (289325 tips)
• Faint whistle from line stage.
• No function. After switching on protective circuit responds. Appliance beeps quietly. (extract of circuit diagram attached)
• Approx 5-10 secs after switching ON, image is unsynchronised. After that period all functions OK. Same problem after each channel switching.
• The sound is broken up by scart or by the tuner.
• Line output stage transistor blows immediately at switch on. (picture attached)
• Whistling from PSU.
• Poor convergence. in the centre. (part of circuit diagram displayed)
• No picture. Bright , green stripes in picture. Sound available.
• Audio control IC TDA8421. (+ extract of circuit diagram)
• R3620 and R3616 are burnt. Resistors are in the RC-section 140V to the line transformer, collector 2SD1577. Transistor is ok, no s/c can be measured.
• Horizontal line, broader than a picture line. (picture attached)
• No vertical or horizontal synchronisation. B/W picture. Cracking from loud-speakers at switch on. (+ extract of circuit diagram) (SBR - 289325 information)
• Skips channels during tuning. (+ extract of circuit diagram)
• When switching over to another channel, station disappears for a short time. Possibly pulsating. (service info for SBR -289325)
• The power supply fuse and transistor BUT12A are defective about once a week. (+ extract of circuit diagram) (289325 tips)
• Dark screen. Reduced horizontal size. at top.
• No start-up (intermittently). (extract of circuit diagram attached)
• No start-up. intermittently. PSU whistles.
• Display flickers.
• No picture, no sound. Appliance whistles (chirps) and emits smoke.
• Display does not switch off, snow, sound cuts out.
• Memory loss. intermittently. (with circuit diagram extract) (SBR - 289325 information)
• Memory contents (X2402) change at random.
• Switches to standby (after start-up).
• SOPS transformer vibrates in standby mode. (part of circuit diagram displayed)
• The store is lost completely (colour, brightness, etc.). The programmes are lost. (+ extract of circuit diagram)
• Hum in HF sound. Ok in scart.
• At switch on BUT12 and fuse blow. (picture attached)
• No picture, no sound, all three mains transistors are defective. (+ extract of circuit diagram)
• No UHF and/or VHF and/or sound.
• No picture but high voltage. The line transformer whistles.
• If cold, it detunes in VHF, horizontal line in picture.
• No sound. Quiet buzz at maximum volume. Picture OK. (extract of circuit diagram attached)
• VHF channels cannot be selected, jumps from UHF channel 69 to channel 21. (289325 tip from SBR)
• No picture. Sound, high voltage and other functions are ok. (+ extract of circuit diagram)
• No picture. intermittently. (with circuit diagram extract)
• No or intermittent start-up.
• Back up battery fails regularly.
• Picture disappears and comes back progressively or takes 30 minutes to come back. Black screen. Sound OK.
• Vertically non-linear picture. Picture is stretched at bottom and top side. (extract of circuit diagram attached)
• BU508 fails repeatedly. (part of circuit diagram displayed)
• Option code lost.
• Occasionally brightness flickers when changing scene, then becomes stable again with the next scene. (with circuit diagram extract)
• Occasionally BUT12A blows.
• Black picture at first then white at the top. Sound is fine and sometimes a picture after approx. 30 seconds. (+ extract of circuit diagram)
• Dark screen. E4 on display. (with circuit diagram extract)
• After replacing line transistor appliance begins to whistle. Line transistor fails again immediately.
• VIP TXT decoder with SAA5230 or SAA5231. (with circuit diagram extract)
• Horizontal white line in middle of screen. E4 on display.
• Lower sound via scart with Canal Plus or with VCR.
• Enter service mode.
• No vertical deflection. (with circuit diagram extract)
• Set dead BUT12 chopper transistor S/C. (with circuit diagram extract) (289325 tip from SBR)
• One colour missing. (part of circuit diagram displayed)
• Vertical pass out at the bottom of picture. (extract of circuit diagram attached) (service info for SBR -289325)
• Ground noise in sound. (part of circuit diagram displayed)
• Hum in audio. (picture attached)
• No deflection adjustment. Falls from max to min.
• Slow start-up.
• Displays F1 after a short time. Operation is blocked. (extract of circuit diagram attached)
• Only one horizontal stripe. (extract of circuit diagram attached)
• Stripes in picture. at top.
• Wavy picture. on sides.
• Wrong EHT values.
• + 140 V not present. (+ extract of circuit diagram)
• Picture flashes and sound warbles.
• No start-up. when cold.
• Occasionally the appliance switches off or does not function at all. The power unit hums. (extract of circuit diagram attached)
• Picture switches periodically to black/white, tick in picture and sound (approx. 10 sec. on sportnet). (part of circuit diagram displayed)
• Half of picture present or no brightness. (picture attached)
• Poor RC sensitivity.
• Screen saturated in green (looks like defective tube). (+ extract of circuit diagram)
• At the beginning the picture always disappears for a short time as if the channel had also disappeared for a short time. (with circuit diagram extract)
• Contrast control is defective. Picture has red shadow streaks.. (picture attached)
• Deprogramming at switch off.
• Picture shrinks when brightness is set at max level.
• Greyscale adjustment.
• Occasionally no command or dropout of sound/picture. (part of circuit diagram displayed)
• R3654 is defective.
• Horizontal line. at top.
• Whistling at the beginning. Black screen or stops after a while when it starts up. (picture attached)
• Linearity fault in top part of picture (only in cold condition). (picture attached)
• Tunes channels only after a while.
• The power voltage increases, cannot be controlled with pot R3715. (extract of circuit diagram attached)
• Zigzags in picture and hum in sound. (+ extract of circuit diagram)
• No HV. (picture attached)
• No channel memory after disconnected from mains. (+ extract of circuit diagram)
• Bars in picture.
• At first BUT12 and T7686 defective. (+ extract of circuit diagram) (SBR - 289325 information)
• Brightness trembles at start up for approx. 15 mins or on lighter backgrounds. Then everything returns to normal. (+ extract of circuit diagram) (service info for SBR -289325)
• White lines or black bars, which disappear slowly. (with circuit diagram extract)
• Tearing depending on picture content. Vertical synchronisation is unstable. The brighter the picture content, the more stable the picture. (picture attached)
• When switching on, channel 3 or 9 comes on but on rare occasions also 1.
• Voltage in PSU cannot be adjusted under 150V.
• Adjustment memory is lost when using green key (preferential adjustments) from front panel or RC. All adjustments are at 0 level and picture is missing.
• Stuck in standby, Power Supply Part tripping. Tries to start up if prog button held in but LED corrupted. (extract of circuit diagram attached)
• A second after switch-on with mains switch a beep is heard in speakers.
• The power supply is low.
• No picture. Sound and picture appear only after longer operation. Sound via AV is OK.
• Narrow and short line on the top. Dark screen.
• TS7687 fails again. (with circuit diagram extract)
• Red, green or blue flyback lines through the picture. (extract of circuit diagram attached)
• TV does not start up. Power supply whistles when connecting D6644, no base signal on line transistor. If you lift D6644, base signal ok but displays F3.
• Linearity fault. Approx 10cm of the picture is missing below. (picture attached)
• Low sound or no sound at all. (part of circuit diagram displayed)
• No switching to standby. Red LED on. Lines cave in. Appliance hums. Picture present. Can be switched on again with the RC and runs ok.
• No synchronisation (after a few seconds). (with circuit diagram extract)
• Line transformer fails.
• No tuning in switching from UHF/VHF.
• Power supply can only be controlled between 145V and 160V. (+ extract of circuit diagram)
• Flyback lines in a certain colour. Blurred picture. (picture attached)
• When changing channels, picture is unstable and unsynchronized for a few minutes.
• No reaction to IR receiver. User control OK. (SBR - 289325 information)
• Tripping (intermittently).
• No E/W correction. (+ extract of circuit diagram)
• R3638 and 3639 fail.
• Repeated failure of the line output transistor (7618), and or triggering of the thyristor (6698). (picture attached) (289325 tip from SBR)
• No sound, no picture. High voltage and LED from scart is present. (extract of circuit diagram attached)
• Option changed, only UHF tuning. (289325 tips)
• Dim picture. No contrast control. Audio OK . (picture attached)
• Knocking on the chassis is causing a short. The chassis has been resoldered completely.
• Vertical line at switch on. When warmed up, a black band of 7 or 8 cm appears in middle of screen. Then everything OK.
• Negative picture. Flyback lines. (289325 tip from SBR)
• Voltage and type of memory battery.
• At start up picture appears in black and white with a 6 or 7cm wide band at the top of the screen (approx two thirds of the way down). (part of circuit diagram displayed)
• Adjusting option (from AG06).
• Page header suppression. (289325 SBR repair tip)
• Except for small stripes on the bottom, picture is blank. Intermittently picture appears slowly for 2 mins from the bottom up.
• During scart switching, terrestrial channel can be seen on the background. Snow on untuned channels. (part of circuit diagram displayed)
• Switch on for a fraction of a sec then no standby light. (extract of circuit diagram attached)
• Vertical line. (extract of circuit diagram attached)
• The stand-by LED on the remote control often flickers without function. The sound increases and the display shows F1 or F2. (extract of circuit diagram attached)
• Picture has very bad distortion (notches on the sides). Noises in the sound. In the line end stage all secondary voltages are approx 10% too low.
• Lines in picture. at top.
• Blurry picture.
• Error codes. (+ extract of circuit diagram)
• Poor picture. Tuning drifts.
• No picture if the appliance is connected via a scart cable.
• No function, slight spot of light on screen.
• Button for on/off switch.
• No sound in Stereo/Dual. (extract of circuit diagram attached)
• Insufficient picture height, rises slowly. Is fine after a few minutes. (picture attached)
• Short hum at switch over. (picture attached)
• Remains in standby. When forcing switch on, occasionally appliance starts but number "8" appears on display and no channel changing. Only raster.
• Dead. At power up slight whistle in FBT. (picture attached)
• Bass control is insufficient. (part of circuit diagram displayed)
• Dead. Humming noise from transformer. (extract of circuit diagram attached)
• Teletext faults. Characters wrong.
• Hyperband adjustment.
• Screen is slightly red with red flyback lines. Appliance ran for 2 weeks then green screen.
• Power supply ticking fast in standby and flashing LED. Starts up from standby and works fine.
• White flyback lines. White bar in the top third of the picture. Improves with increasing working time.
• Programming the microprocessor (MAB8461/W155).
• Hum during switching. (+ extract of circuit diagram)