809056 / BAUR [TV]

• Pal/Secam chroma identification problem.
• No tuning search. No channels change. No numbers on display.
• No synchronisation (intermittently).
• Intermittently returns to channel 1, accompanied by a sound of arcing around tube base.
• Does not stop when sweep tuning. Drifts if manually tuned. (extract of circuit diagram attached)
• The "LE" voltage is less than 100V. (picture attached)
• Spot lights after switching off. (picture attached)
• Tuning drifts. Poor picture (when cold).
• Trips with power LED flashing and speaker popping in unison. (+ extract of circuit diagram) (809056 BAUR repair tip)
• Set blocks. (+ extract of circuit diagram)
• Not operational. F7 in picture. (809056 tip from BAUR)
• After tuning the channels cannot be stored. The appliance memorises one channel by itself. (extract of circuit diagram attached)
• Light spot after switch off. (picture attached)
• The appliance will not tune stations higher than 55, the tuning varies. (picture attached)
• Appliance stuck on programme "1". OSD shows F7.
• Protection IC7380 BB panel.
• No audio. No picture. (+ extract of circuit diagram)
• Squealing from PSU. (service info for BAUR -809056)
• EHT low and line output transformer makes a fizzing noise. (+ extract of circuit diagram)
• Bright raster. Poor vertical linearity. (extract of circuit diagram attached)
• Fine, dark horizontal lines when warm.
• No switch to AV. EXT1 or EXT2.
• Shutsdown with motorboating noise after 10 minutes.
• Picture becomes dark from time to time, cannot be adjusted. (+ extract of circuit diagram)
• The mains transistor BUT11 permanently blows at switch on. (with circuit diagram extract)
• No signal to the collector BUT11AF. (picture attached)
• Does not respond to commands in first 5 mins.
• Searches for channels continuously. (extract of circuit diagram attached)
• Low HV. intermittently. (with circuit diagram extract)
• Hum in audio. Horizontal lines. (BAUR - 809056 information)
• No picture. AV OK . (part of circuit diagram displayed)
• F4 Error with arrows on sets with satellite RX.
• No E/W, oscillation wide in narrow field on right side.
• Corrugated verticals. (part of circuit diagram displayed) (809056 tips)
• Picture flares. (extract of circuit diagram attached)
• Switches back to program 1.
• No red in the picture with an RGB input. (809056 BAUR repair tip)
• "F7" on OSD. No audio and stuck on channel. OK after 20 mins.
• If appliance is switched to standby when cold, it starts pumping. Other functions OK.
• Only noise, otherwise no functions or display.
• Display has corrugated verticals. (picture attached)
• Picture is bowing on edges for couple of minutes.
• Drifts through the tuning, unprogrammable.
• Reset after a no. of hours, switches back to programme 1.
• Sound crackles and LED flashes green in the same rhythm.
• Microprocessor/eprom screening plate.
• Shape of picture is wrong. The fault is more evident in text mode. Also thin black horizontal lines.
• Intermittent audio. (+ extract of circuit diagram)
• Intermittent standby; loss of signals, colour and contrast. (+ extract of circuit diagram)
• U743 tuner replacement.
• Error codes.
• Distorted picture. OK via SCART . (809056 tip from BAUR)
• Defective switching transistor in the SOPS supply. (extract of circuit diagram attached)
• Random failure of the BUT11AF chopper transistor. (with circuit diagram extract)
• Intermittently sound mutes and OSG are jumbled.
• Jumps to channel 1 or switches off itself. (extract of circuit diagram attached) (service info for BAUR -809056)
• The voltage is too weak. (+ extract of circuit diagram) (service info for BAUR -809056)
• No sound. No channels switching. Error code F7 appears on screen (TXT board).
• Raster lines at the top of the picture, approx. 5 cm wide.
• Missing 95V. (BAUR - 809056 information)
• Hiccups and returns to channel 1. Unable to reset. (+ extract of circuit diagram) (service info for BAUR -809056)
• Cycles on/off (intermittently).
• The remote control and the operation unit shut off after approx.10 min.Later strange symbols appear on the screen. (part of circuit diagram displayed)
• Short circuit in the power supply.
• White screen. (extract of circuit diagram attached)
• No red.
• Stuck in standby.
• Horizontal picture pulling especially with vertical lines. Fault disappears when warm. (with circuit diagram extract)
• Purity fault.
• Limited contrast control range. (with circuit diagram extract)
• PSU blows immediately at every switch on.
• No picture. No sound. No RC function. LED lights up green.
• Line output transformer information.
• Tuned stations change constantly in the upper tuning areas VHF (B III) and UHF.
• For 5 minutes zigzag edges in the picture. (with circuit diagram extract)
• IC7720 does not function correctly. (part of circuit diagram displayed)
• Ragged picture. Dim display. (extract of circuit diagram attached)
• The raster pulls. (extract of circuit diagram attached)
• Intercarrier-hum. (picture attached)
• No channel storing.
• Does not function well. Wrong characters on screen. (extract of circuit diagram attached)
• No tuning. Snow in picture. (extract of circuit diagram attached) (service info for BAUR -809056)
• "F7" on OSD. No sound. LED flashing. OK after 20 mins. (part of circuit diagram displayed)
• No OSD. (+ extract of circuit diagram) (809056 tip from BAUR)
• Tripping. (picture attached)
• Dark picture. (part of circuit diagram displayed)
• Intermittently strange signs in picture. No function of RC. (+ extract of circuit diagram)
• Dead. Standby LED flashes .
• 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.
• Character error.
• No RC functions. (extract of circuit diagram attached)
• "F7" displayed on OSD, LED flashes and user controls inoperative. (809056 tip from BAUR)
• Trips few mins after switch on, increasing in speed until popping approx twice per sec. (picture attached)
• Strange signs in picture or text. EXT 1 and EXT 2.
• No tuning.
• Occasional picture foldover at the top on certain programas when changing picture or channel.
• After a few hours there is a slight reduction of brightness. When changing channel manually the display reads F4 or F7. (with circuit diagram extract)
• Fluttering noise.
• F5 Error on sets with satellite RX.
• Zig-Zags edges on picture.
• Disable hotel mode.
• No vertical deflection. (part of circuit diagram displayed)
• Intermittently displaying error code F7.
• Popping noise from speakers, only at switch on.
• TS 7625 breaks frequently. (picture attached)
• No sound, F7 error code LED flashes. (with circuit diagram extract)
• PSU pulsates.
• No functions. LED blinks . (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.
• Sound is distorted and disappears as the volume is turned up. (with circuit diagram extract)
• Flashover on picture tube print. (with circuit diagram extract) (809056 BAUR repair tip)
• No or poor operation of RC and front controls. No picture when cold. (+ extract of circuit diagram)
• The power supply gurgles if the mains voltage is weak. (picture attached)
• Tuning drift or no signals though the green bar moves. (with circuit diagram extract)
• +95V is incorrect. (extract of circuit diagram attached)
• Excessive vertical and horizontal size. (part of circuit diagram displayed)
• Only chroma lines in VCR.
• 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)
• Poor audio. (part of circuit diagram displayed) (BAUR - 809056 information)
• D5770 (ZTK33B) fails repeatedly. No tuning or tuning drifts. (part of circuit diagram displayed)
• Destroys BUT11 and bridge rectifiers on switch on. (+ extract of circuit diagram)
• Intermittent fuse blowing, blows BUT11AF. (+ extract of circuit diagram)
• Tripping with clicking via speaker. (picture attached)
• Light picture content with coloured background.
• Blue picture. (with circuit diagram extract)
• 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.
• Dead (intermittently). (809056 tip from BAUR)
• Addition of fuse 1670.
• Horizontal jitter. in the centre.
• Switches off by itself.
• "F7" displayed. (service info for BAUR -809056)
• Reduced horizontal size.
• To loop the video through not using circuitry on satellite RX.
• When appliance is switched on it jumps to channel 3 then when the appliance is warm it shuts down. (extract of circuit diagram attached)
• Erratic clock.
• F0, UHF and P1 indication after approx 30 mins then no function.
• No adjustment to low volume. (extract of circuit diagram attached)
• Low output from power supply.
• Lines in picture. (+ extract of circuit diagram)
• No synchronisation. when cold. (picture attached)
• Vertical foldover. Flyback lines.
• F7 upon switch on, or intermittent F7.
• Stops when warm. Display shows F7.
• No picture. Audio OK . (extract of circuit diagram attached)
• Dead. (picture attached)
• Low contrast. (picture attached) (BAUR - 809056 information)
• Picture and sound are missing, LED flashes at switch on, ok in standby.
• Teletext faults. Characters wrong. (extract of circuit diagram attached)
• Line transformer crackles.
• Blocked control. Error F7. LED flashing.
• No picture. TXT OK .
• The power supply is noisy in standby. (part of circuit diagram displayed)
• Insufficient contrast. When readjusting, brightness is also adjusted. teletext is O.K. (part of circuit diagram displayed)
• The output transistor of the power supply is defective. BUT11AF, BUT18AF or 2SC3973B. (+ extract of circuit diagram)
• Sometimes remains in standby when switched on with the help of mains switch.
• After approx 30 mins faulty OSD and no function. No start-up furthermore.
• Poor tuning. Search sometimes does not stop. Picture shifted and trembles. (picture attached)
• Page 811 appears by itself and is blocked.
• Only part picture can be seen, sound OK. (extract of circuit diagram attached)
• Rattle in sound. (picture attached)
• No or poor synchronisation.
• No sound at switch on. Picture is present. "F7" displayed on screen. No RC. Everything OK when warm.
• Line tearing at vertical lines from top to bottom in test picture.
• Humming, ticking. (picture attached)
• No audio (intermittently). (part of circuit diagram displayed) (809056 BAUR repair tip)
• Poor functioning of RC receiver at switch on from standby. RC must be close to IR receiver.
• Black horizontal lines in picture.
• After working normally for approx 2 hours, the TV blocks. "EX" appears on the screen. The remote control receiver does not function.
• Blocks and wrong OSD indication.
• The BUT11AF is destroyed after some time. (with circuit diagram extract)
• No line timebase operation. (+ extract of circuit diagram)
• PSU failure.
• Wide oscillation in the weak field on the right hand side. (+ extract of circuit diagram) (809056 tip from BAUR)
• No start-up. Green LED flashes .
• The voltage of +95V line alters. (+ extract of circuit diagram)
• No tuning. No display. No RC functions. (picture attached)
• No picture. at start-up.
• Reduced vertical size. Vertical foldover at top. (with circuit diagram extract)
• When warm there is a raster fault on the left.
• Picture only 3cms high.
• Memory loss. (with circuit diagram extract)
• Line output transistor 7545 (BUT11AF) fails after a while.
• Data lead to microprocessor on main board from satellite RX.
• One colour missing. (extract of circuit diagram attached)
• Does not tune optimally. (part of circuit diagram displayed)
• No line oscillation.
• The R3661 resistor is in open circuit. (with circuit diagram extract)
• Pulsing, rolling with jagged white line at top of screen.
• Does not go to standby via RC; LED on set changes from green to orange (should be red).
• BUT11AF is defective and is destroyed at each start up. (extract of circuit diagram attached)
• No synchronisation. (extract of circuit diagram attached)
• Teletext faults. Page 811 appears spontaneously. (extract of circuit diagram attached)
• Vertical streaks at the left of the picture which disappear after a while. (+ extract of circuit diagram)
• Line lock is incorrect.
• Intermittently F4 appears. Dark picture.
• Blank raster. TXT OK . (extract of circuit diagram attached)
• No picture.
• Tripping (intermittently).
• Black lines in picture, then no picture.
• Useful voltages to check on satellite RX board
• No teletext. No F7 error. Can still change channels in text mode.
• Distorted picture. when cold.
• Black dots in the bright-white spots.
• PSU shutsdown with popping sound. LEDs flashing.
• No colour (at start-up). (+ extract of circuit diagram)
• No text, F7 displayed. (+ extract of circuit diagram)
• Horizontal collapse (intermittently).
• Shuts down. (picture attached)
• Cogging down sides of picture. (extract of circuit diagram attached)
• Light and dark vertical lines on left of picture. TXT does not function. OK when warm. (part of circuit diagram displayed)
• Incorrect characters on the screen.
• Lines in picture. on the left. (service info for BAUR -809056)
• Power supply defective. (BAUR - 809056 information)
• Standby LED continuously flashing.
• Vertical collapse. (part of circuit diagram displayed) (809056 BAUR repair tip)
• Shuts down (after a few minutes). PSU pulsates. (service info for BAUR -809056)
• Does not switch on when cold. Strange oscillating noise from PSU. Green LED flashes quickly. Picture appears after a few mins but extremely noisy.
• Appliance runs perfectly, switches to standby then pumps the PSU.
• Line pairing at top half of picture. (+ extract of circuit diagram)
• No horizontal synchronisation. in TXT. (with circuit diagram extract)
• Blurry picture. Audio OK .
• Tuning drifts. (picture attached)
• CDI picture comes through on TXT with G90AE chassis.
• Horizontally torn picture. (809056 tip from BAUR)
• Certain channels drop out in UHF range.
• A production change:
• Flyback lines. at top. (service info for BAUR -809056)
• Problems with FLOF TXT. Cannot find page 811 whereas in spite of this page is broadcast. TXT header remains on subtitling. (+ extract of circuit diagram)
• Blank raster. No sound. No OSD. RC LED does not flash when a command is transmitted. (+ extract of circuit diagram)
• 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.
• Loss of sound. STEREO/MONO indication lit.
• No regulation. (part of circuit diagram displayed)
• Chopper transistor (BUT11AF) S/C. (with circuit diagram extract)
• Video signal and sound are missing, raster is blank. (with circuit diagram extract)
• Shuts down. after a while.
• Noise from PSU.
• In TXT, takes about 60 secs to build up page. Page never quite fills up completely with data, thus looking confusing. (service info for BAUR -809056)
• Vertical shaking. No synchronisation.
• How to convert from G90 + SAT RX to standard G90.
• Outlines are distorted in the top part of the picture and intermittently no colour.
• Intercarrier buzzing is audible.
• Intermittently trips. Picture pulses to low width. Reduced height. Raster flashes. (809056 BAUR repair tip)
• Low picture contrast. Cannot be controlled via user control.
• Sizzling/picture distortion.
• Faulty TXT.
• Tuning drifts (intermittently). (extract of circuit diagram attached)
• Hum (interference noise) from speaker in standby. (extract of circuit diagram 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.
• No blue. (with circuit diagram extract)
• No functions. (with circuit diagram extract) (809056 BAUR repair tip)
• No horizontal deflection. Standby LED flashes .
• Tripping (after start-up). (with circuit diagram extract)
• Over-voltage circuit active. (extract of circuit diagram attached)
• Switches spontaneously to program 1. (extract of circuit diagram attached)
• No start-up. Squealing from PSU.
• Mono/stereo display error.
• No picture. OSD OK . (part of circuit diagram displayed) (809056 tips)
• Cycles on/off.
• Only one horizontal line at bottom of screen.
• Switches off automatically for a short time and restarts with program1. Picture drops out or switches off.
• Displaying error code F7 intermittently. (picture attached)
• 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.
• No reaction from front controls and RC. Also no switchover possible to HF.
• Picture jitters.
• Blows fuse.
• Teletext faults. Set very intermittently shows error F7. (picture attached)
• Difficult front control operation.
• Reduced vertical size. (picture attached) (809056 tip from BAUR)
• Codes F4 or F7 with no signals and LED orange.
• Dead. LED blinks .
• No TXT. No picture. after a while.
• On PB strange symbols or text appears on the screen.
• No audio. Picture OK . (with circuit diagram extract) (809056 tip from BAUR)
• LED blinks in STANDBY mode. (extract of circuit diagram attached) (BAUR - 809056 information)
• No picture. Blank raster. (with circuit diagram extract)
• Fault codes F4 or F7 with no signals and orange LED.
• Lines in light areas and letters. Improves when contrast reduced. (part of circuit diagram displayed)
• Crackling/bubbling sound from speaker when switched to standby after a short time. (part of circuit diagram displayed) (BAUR - 809056 information)
• Squealing from PSU. Audio and picture OK . (extract of circuit diagram attached)
• No picture. in the centre.
• 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. (with circuit diagram extract)
• Breakdown of T7625. (with circuit diagram extract)
• Chroma fault in SECAM. (+ extract of circuit diagram)
• No VHF1 and VHF3 function.
• Incorrect OSD characters.
• Doesn't start, at switch-on LED green, then goes back to standby, doesn't respond to RC.
• After operating for approx 1.5 hours the appliance switches to search mode by itself.
• Picture becomes narrow, lighter and disappears. (809056 tip from BAUR)
• Interference lines when cold but not when warm. (service info for BAUR -809056)
• Trips, plop in speakers. (809056 tip from BAUR)
• Poor line synchronisation. (picture attached) (BAUR - 809056 information)
• Supply voltage cuts out, appliance whistles. (809056 tip from BAUR)
• Faulty OSD.
• No text, front controls perform wrong task. (extract of circuit diagram attached)
• Does not tune properly and will not stop on stations. (+ extract of circuit diagram)
• Stuck on channel 8. No front controls or R/C operations. Standby LED flashing. (+ extract of circuit diagram) (809056 tip from BAUR)
• Manufacturing error.
• 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.
• Does not switch to standby.
• Picture is missing, LED displays F4. (extract of circuit diagram attached)
• F7 error clears after a few minutes. (with circuit diagram extract)
• No focus.
• No tuning. only on certain channels.
• No function. Rapid loud popping noise with synchronised standby LED flashing.
• No colour. (+ extract of circuit diagram) (809056 tips)
• Only programme 6 at switch on. F7 on display. No control. No function of keys or RC. (part of circuit diagram displayed)
• Upper part of picture consists of a few lines. (picture attached)
• Snowy raster. (part of circuit diagram displayed)
• Vertical striations and shading on left hand side of picture accompanied by smearing. Intermittent loss of line lock. (service info for BAUR -809056)
• Erratic functions on satellite RX.
• No sound and "F7" on OSD, OK after 20 mins.
• Dead. Power LED lit . (extract of circuit diagram attached)
• Tripping. at start-up.
• Thin horizontal black lines in upper picture area. Error is shock sensitive in the beginning, then becomes permanent.
• No functions. after a few minutes.
• No colour in French standard.