2153321 / SBR [TV 56 (52) cm picture]

• "F7" on OSD. No sound. LED flashing. OK after 20 mins. (extract of circuit diagram attached)
• Picture and sound are missing, LED flashes at switch on, ok in standby. (2153321 SBR repair tip)
• Spot lights after switching off. (with circuit diagram extract)
• Reduced vertical size. Vertical foldover at top. (picture attached)
• For 5 minutes zigzag edges in the picture. (+ extract of circuit diagram)
• Blows fuse.
• Cogging down sides of picture. (with circuit diagram extract)
• Appliance stuck on programme "1". OSD shows F7.
• Tuning drifts (intermittently). (+ extract of circuit diagram)
• Horizontal collapse (intermittently).
• No picture. Blank raster. (picture attached)
• No function. Rapid loud popping noise with synchronised standby LED flashing.
• Blank raster. TXT OK . (part of circuit diagram displayed)
• Fine, dark horizontal lines when warm.
• Tripping. at start-up. (SBR - 2153321 information)
• Intermittently F4 appears. Dark picture.
• Crackling/bubbling sound from speaker when switched to standby after a short time. (picture attached)
• EHT low and line output transformer makes a fizzing noise. (+ extract of circuit diagram)
• Sound is distorted and disappears as the volume is turned up. (extract of circuit diagram attached) (service info for SBR -2153321)
• No teletext. No F7 error. Can still change channels in text mode.
• Tuned stations change constantly in the upper tuning areas VHF (B III) and UHF.
• Cycles on/off.
• The power supply gurgles if the mains voltage is weak. (+ extract of circuit diagram)
• The remote control and the operation unit shut off after approx.10 min.Later strange symbols appear on the screen. (+ extract of circuit diagram)
• Squealing from PSU. Audio and picture OK . (with circuit diagram extract)
• Tripping (intermittently).
• No audio. No picture. (picture attached)
• No picture. AV OK . (with circuit diagram extract)
• When appliance is switched on it jumps to channel 3 then when the appliance is warm it shuts down. (extract of circuit diagram attached)
• No picture. in the centre.
• Dead (intermittently).
• To loop the video through not using circuitry on satellite RX.
• Searches for channels continuously. (part of circuit diagram displayed)
• No text, F7 displayed. (extract of circuit diagram attached)
• Low output from power supply.
• Trips, plop in speakers.
• F7 error clears after a few minutes. (extract of circuit diagram attached)
• No VHF1 and VHF3 function.
• No text, front controls perform wrong task. (+ extract of circuit diagram) (2153321 SBR repair tip)
• Hiccups and returns to channel 1. Unable to reset. (extract of circuit diagram attached)
• Dead. Power LED lit . (part of circuit diagram displayed)
• Dead. Standby LED flashes .
• Interference lines when cold but not when warm.
• The voltage of +95V line alters. (extract of circuit diagram attached)
• Erratic functions on satellite RX.
• Tripping with clicking via speaker. (extract of circuit diagram attached)
• Corrugated verticals. (part of circuit diagram displayed) (2153321 tips)
• Reduced vertical size. (part of circuit diagram displayed)
• Line tearing at vertical lines from top to bottom in test picture.
• No audio. Picture OK . (part of circuit diagram displayed)
• Poor audio. (part of circuit diagram displayed)
• After switching on the appliance functions normally. If colour, brightness or volume setting is selected with the remote control then apart from switching over channels and switching the appliance on and off no function is possible.
• Teletext faults. Characters wrong. (extract of circuit diagram attached)
• No OSD. (+ extract of circuit diagram)
• Distorted picture. OK via SCART .
• Ragged picture. Dim display. (with circuit diagram extract)
• Does not respond to commands in first 5 mins.
• Addition of fuse 1670.
• Destroys BUT11 and bridge rectifiers on switch on. (part of circuit diagram displayed)
• Standby LED continuously flashing.
• "F7" displayed.
• Doesn't start, at switch-on LED green, then goes back to standby, doesn't respond to RC.
• No functions. LED blinks . (with circuit diagram extract)
• Vertical striations and shading on left hand side of picture accompanied by smearing. Intermittent loss of line lock.
• Faulty TXT.
• Vertical foldover. Flyback lines.
• Blocks and wrong OSD indication.
• Strange signs in picture or text. EXT 1 and EXT 2.
• Tuning drift or no signals though the green bar moves. (picture attached)
• The voltage is too weak. (picture attached)
• CDI picture comes through on TXT with G90AE chassis.
• Teletext faults. Set very intermittently shows error F7. (with circuit diagram extract) (2153321 SBR repair tip)
• Switches to program 1. Fault occurs especially at greater brightness. The switch over occurs after vertical line tearing (e.g. in convergence test pattern) or after horizontal lines in normal pictures.
• Squealing from PSU.
• No start-up. Green LED flashes .
• The power supply is noisy in standby. (extract of circuit diagram attached)
• Line output transformer information. (2153321 tips)
• Breakdown of T7625. (with circuit diagram extract)
• Intercarrier-hum. (+ extract of circuit diagram) (2153321 tip from SBR)
• Jumps to channel 1 or switches off itself. (+ extract of circuit diagram)
• Does not function well. Wrong characters on screen. (with circuit diagram extract)
• Trips with power LED flashing and speaker popping in unison. (extract of circuit diagram attached)
• Sound crackles and LED flashes green in the same rhythm.
• Line output transistor 7545 (BUT11AF) fails after a while.
• Blurry picture. Audio OK .
• Reset after a no. of hours, switches back to programme 1.
• Shuts down (after a few minutes). PSU pulsates.
• Intermittently displaying error code F7.
• Incorrect characters on the screen.
• Shape of picture is wrong. The fault is more evident in text mode. Also thin black horizontal lines.
• Short circuit in the power supply. (2153321 tip from SBR)
• No blue. (picture attached)
• Does not switch to standby. (2153321 tip from SBR)
• Switches off automatically for a short time and restarts with program1. Picture drops out or switches off. (2153321 tip from SBR)
• Light spot after switch off. (picture attached) (2153321 tips)
• Pal/Secam chroma identification problem.
• Useful voltages to check on satellite RX board
• Intermittently strange signs in picture. No function of RC. (extract of circuit diagram attached)
• Blank raster. No sound. No OSD. RC LED does not flash when a command is transmitted. (with circuit diagram extract)
• Stuck in standby.
• Limited contrast control range. (with circuit diagram extract)
• Dead. LED blinks .
• Blocked control. Error F7. LED flashing.
• No start-up. Squealing from PSU.
• Low picture contrast. Cannot be controlled via user control.
• Shuts down. (part of circuit diagram displayed)
• Tuning drifts. (picture attached) (2153321 tip from SBR)
• No tuning search. No channels change. No numbers on display.
• No tuning. (2153321 tip from SBR)
• No picture.
• How to convert from G90 + SAT RX to standard G90.
• No functions. after a few minutes.
• No picture. TXT OK .
• Picture is bowing on edges for couple of minutes.
• Trips few mins after switch on, increasing in speed until popping approx twice per sec. (extract of circuit diagram attached) (2153321 SBR repair tip)
• No sound, F7 error code LED flashes. (with circuit diagram extract)
• A production change:
• White screen. (picture attached)
• If appliance is switched to standby when cold, it starts pumping. Other functions OK.
• No or poor operation of RC and front controls. No picture when cold. (part of circuit diagram displayed)
• Line pairing at top half of picture. (+ extract of circuit diagram)
• Supply voltage cuts out, appliance whistles.
• Snowy raster. (part of circuit diagram displayed)
• Tuning drifts. Poor picture (when cold). (2153321 SBR repair tip)
• Mono/stereo display error.
• Only part picture can be seen, sound OK. (picture attached)
• Line transformer crackles.
• Poor tuning. Search sometimes does not stop. Picture shifted and trembles. (extract of circuit diagram attached)
• Page 811 appears by itself and is blocked.
• D5770 (ZTK33B) fails repeatedly. No tuning or tuning drifts. (picture attached)
• Snowy picture. No sound. LED flashes alternately green and yellow. No control via user control and RC. After approx. 5 mins operation, functions ok.
• Light picture content with coloured background.
• F0, UHF and P1 indication after approx 30 mins then no function.
• Appliance runs perfectly, switches to standby then pumps the PSU.
• The BUT11AF is destroyed after some time. (with circuit diagram extract)
• Dead. (extract of circuit diagram attached)
• Blue picture. (part of circuit diagram displayed)
• Faulty OSD.
• No picture. OSD OK . (+ extract of circuit diagram)
• After tuning the channels cannot be stored. The appliance memorises one channel by itself. (extract of circuit diagram attached)
• No synchronisation. when cold. (with circuit diagram extract)
• +95V is incorrect. (+ extract of circuit diagram)
• Not operational. F7 in picture.
• Missing 95V.
• The appliance will not tune stations higher than 55, the tuning varies. (picture attached) (service info for SBR -2153321)
• Loss of sound. STEREO/MONO indication lit. (2153321 tip from SBR)
• No line oscillation.
• Intermittently returns to channel 1, accompanied by a sound of arcing around tube base.
• Distorted picture. when cold.
• No focus.
• Lines in picture. on the left.
• F4 Error with arrows on sets with satellite RX.
• After operating for approx 1.5 hours the appliance switches to search mode by itself.
• After approx 30 mins faulty OSD and no function. No start-up furthermore.
• Certain channels drop out in UHF range.
• No colour. (part of circuit diagram displayed)
• Set blocks. (part of circuit diagram displayed)
• F5 Error on sets with satellite RX.
• Microprocessor/eprom screening plate.
• Does not tune properly and will not stop on stations. (+ extract of circuit diagram)
• On PB strange symbols or text appears on the screen.
• Stops when warm. Display shows F7.
• Picture becomes narrow, lighter and disappears. (2153321 SBR repair tip)
• Picture is missing, LED displays F4. (+ extract of circuit diagram)
• Difficult front control operation.
• No regulation. (+ extract of circuit diagram)
• Fluttering noise.
• Occasional picture foldover at the top on certain programas when changing picture or channel.
• Fine dark horizontal lines on picture after a short time. Picture slowly goes to line tear effect with vertical jitter; intermittent mute sound, then goes to standby.
• No horizontal deflection. Standby LED flashes .
• Low HV. intermittently. (with circuit diagram extract)
• No RC functions. (with circuit diagram extract)
• No reaction from front controls and RC. Also no switchover possible to HF.
• Lines in light areas and letters. Improves when contrast reduced. (extract of circuit diagram attached)
• No vertical deflection. (+ extract of circuit diagram)
• Codes F4 or F7 with no signals and LED orange.
• No horizontal synchronisation. in TXT. (with circuit diagram extract) (2153321 tips)
• Drifts through the tuning, unprogrammable.
• No TXT. No picture. after a while.
• Tripping. (+ extract of circuit diagram)
• Character error.
• No audio (intermittently). (with circuit diagram extract)
• No colour in French standard.
• Only chroma lines in VCR.
• Horizontal picture pulling especially with vertical lines. Fault disappears when warm. (part of circuit diagram displayed)
• Intermittently trips. Picture pulses to low width. Reduced height. Raster flashes. (service info for SBR -2153321)
• Thin horizontal black lines in upper picture area. Error is shock sensitive in the beginning, then becomes permanent.
• No colour (at start-up). (picture attached)
• Remote V/S. Green LED goes red. Spurious nonsense on-screen graphics. Goes to standby after running for 30 mins - 2 hrs. Loss of tuning. (2153321 SBR repair tip)
• PSU pulsates.
• Flyback lines. at top.
• U743 tuner replacement.
• Cycles on/off (intermittently).
• No sound. No channels switching. Error code F7 appears on screen (TXT board). (service info for SBR -2153321)
• Zig-Zags edges on picture.
• After working normally for approx 2 hours, the TV blocks. "EX" appears on the screen. The remote control receiver does not function. (2153321 tip from SBR)
• After a few hours there is a slight reduction of brightness. When changing channel manually the display reads F4 or F7. (part of circuit diagram displayed)
• No line timebase operation. (extract of circuit diagram attached) (2153321 tips)
• "F7" on OSD. No audio and stuck on channel. OK after 20 mins. (service info for SBR -2153321)
• Intermittent standby; loss of signals, colour and contrast. (extract of circuit diagram attached)
• Erratic clock.
• IC7720 does not function correctly. (+ extract of circuit diagram)
• Horizontal jitter. in the centre. (SBR - 2153321 information)
• Error codes.
• Vertical streaks at the left of the picture which disappear after a while. (part of circuit diagram displayed)
• Does not tune optimally. (part of circuit diagram displayed)
• No tuning. No display. No RC functions. (with circuit diagram extract)
• No picture. Audio OK . (with circuit diagram extract)
• Switches spontaneously to program 1. (part of circuit diagram displayed)
• Hum (interference noise) from speaker in standby. (extract of circuit diagram attached)
• BUT11AF is defective and is destroyed at each start up. (extract of circuit diagram attached)
• After switching on with the on/off switch the Stand by LED comes on for a short time and then goes off again at once. The same thing happens with the remote control.
• Wide oscillation in the weak field on the right hand side. (part of circuit diagram displayed)
• LED blinks in STANDBY mode. (part of circuit diagram displayed)
• No picture. No sound. No RC function. LED lights up green. (2153321 tips)
• Intermittent audio. (with circuit diagram extract)
• "F7" displayed on OSD, LED flashes and user controls inoperative.
• Bright raster. Poor vertical linearity. (extract of circuit diagram attached)
• PSU shutsdown with popping sound. LEDs flashing.
• Sometimes remains in standby when switched on with the help of mains switch.
• Intercarrier buzzing is audible. (2153321 tip from SBR)
• The output transistor of the power supply is defective. BUT11AF, BUT18AF or 2SC3973B. (+ extract of circuit diagram)
• PSU failure.
• Low contrast. (part of circuit diagram displayed)
• Raster lines at the top of the picture, approx. 5 cm wide.
• No picture. at start-up.
• Upper part of picture consists of a few lines. (with circuit diagram extract)
• No or poor synchronisation. (2153321 tips)
• Intermittently sound mutes and OSG are jumbled.
• No tuning. only on certain channels.
• No sound at switch on. Picture is present. "F7" displayed on screen. No RC. Everything OK when warm.
• Rattle in sound. (+ extract of circuit diagram)
• Picture only 3cms high.
• Memory loss. (with circuit diagram extract) (service info for SBR -2153321)
• Vertical shaking. No synchronisation.
• No E/W, oscillation wide in narrow field on right side.
• No signal to the collector BUT11AF. (extract of circuit diagram attached)
• Only noise, otherwise no functions or display.
• When warm there is a raster fault on the left.
• No red in the picture with an RGB input.
• The R3661 resistor is in open circuit. (extract of circuit diagram attached)
• Switches back to program 1.
• Picture flares. (picture attached)
• No synchronisation (intermittently).
• Only programme 6 at switch on. F7 on display. No control. No function of keys or RC. (extract of circuit diagram attached)
• Poor functioning of RC receiver at switch on from standby. RC must be close to IR receiver.
• Horizontally torn picture.
• Dark picture. (+ extract of circuit diagram)
• Displaying error code F7 intermittently. (with circuit diagram extract)
• No synchronisation. (part of circuit diagram displayed)
• Over-voltage circuit active. (with circuit diagram extract)
• No channel storing. (service info for SBR -2153321)
• The "LE" voltage is less than 100V. (extract of circuit diagram attached)
• Shutsdown with motorboating noise after 10 minutes.
• Black dots in the bright-white spots.
• Flashover on picture tube print. (picture attached)
• Shuts down. after a while.
• Manufacturing error.
• Does not go to standby via RC; LED on set changes from green to orange (should be red).
• Does not stop when sweep tuning. Drifts if manually tuned. (part of circuit diagram displayed)
• Disable hotel mode.
• Lines in picture. (with circuit diagram extract)
• Picture becomes dark from time to time, cannot be adjusted. (with circuit diagram extract)
• Hum in audio. Horizontal lines.
• PSU blows immediately at every switch on.
• Tripping (after start-up). (with circuit diagram extract)
• Pulsing, rolling with jagged white line at top of screen.
• Display has corrugated verticals. (part of circuit diagram displayed)
• Noise from PSU.
• Outlines are distorted in the top part of the picture and intermittently no colour.
• Incorrect OSD characters. (service info for SBR -2153321)
• No tuning. Snow in picture. (picture attached) (2153321 SBR repair tip)
• Vertical collapse. (extract of circuit diagram attached)
• Does not switch on when cold. Strange oscillating noise from PSU. Green LED flashes quickly. Picture appears after a few mins but extremely noisy.
• Insufficient contrast. When readjusting, brightness is also adjusted. teletext is O.K. (part of circuit diagram displayed)
• Poor line synchronisation. (part of circuit diagram displayed)
• Chroma fault in SECAM. (part of circuit diagram displayed)
• The raster pulls. (picture attached)
• No functions. (+ extract of circuit diagram)
• Protection IC7380 BB panel.
• Teletext faults. Page 811 appears spontaneously. (+ extract of circuit diagram)
• Chopper transistor (BUT11AF) S/C. (extract of circuit diagram attached)
• Black horizontal lines in picture.
• Fault codes F4 or F7 with no signals and orange LED.
• Switches off by itself.
• Light and dark vertical lines on left of picture. TXT does not function. OK when warm. (picture attached) (SBR - 2153321 information)
• Humming, ticking. (extract of circuit diagram attached)
• Problems with FLOF TXT. Cannot find page 811 whereas in spite of this page is broadcast. TXT header remains on subtitling. (part of circuit diagram displayed)
• F7 upon switch on, or intermittent F7.
• No switch to AV. EXT1 or EXT2.
• Appliance works perfectly for a few days and then all the components burn out on the primary side of the switching circuit. (+ extract of circuit diagram)
• In TXT, takes about 60 secs to build up page. Page never quite fills up completely with data, thus looking confusing.
• Black lines in picture, then no picture.
• No red.
• No picture content for the first ten minutes. White picture with flybacks lines.
• Picture darkens slightly with remote control commands having no effect after about 2 hours. Display shows F4 or F7. (+ extract of circuit diagram)
• No adjustment to low volume. (with circuit diagram extract)
• Sizzling/picture distortion.
• Reduced horizontal size.
• Intermittent fuse blowing, blows BUT11AF. (+ extract of circuit diagram)
• Picture rolls and bounces in the first 5 mins. An approx. 5cm wide vertical line on the left picture edge. After 5 mins. of operation everything OK.
• Stuck on channel 8. No front controls or R/C operations. Standby LED flashing. (+ extract of circuit diagram)
• Random failure of the BUT11AF chopper transistor. (extract of circuit diagram attached)
• Defective switching transistor in the SOPS supply. (part of circuit diagram displayed)
• TS 7625 breaks frequently. (with circuit diagram extract)
• The mains transistor BUT11 permanently blows at switch on. (with circuit diagram extract)
• Purity fault.
• No sound and "F7" on OSD, OK after 20 mins.
• Only one horizontal line at bottom of screen.
• Data lead to microprocessor on main board from satellite RX.
• One colour missing. (with circuit diagram extract)
• Excessive vertical and horizontal size. (extract of circuit diagram attached) (2153321 SBR repair tip)
• Picture jitters.
• Video signal and sound are missing, raster is blank. (extract of circuit diagram attached)
• Power supply defective.
• Line lock is incorrect.
• Popping noise from speakers, only at switch on.