809076 / BAUR [TV]

• Does not function well. Wrong characters on screen. (extract of circuit diagram attached) (809076 tips)
• F0, UHF and P1 indication after approx 30 mins then no function.
• Vertical streaks at the left of the picture which disappear after a while. (extract of circuit diagram attached)
• D5770 (ZTK33B) fails repeatedly. No tuning or tuning drifts. (extract of circuit diagram attached) (809076 tips)
• No audio. No picture. (with circuit diagram extract)
• Sizzling/picture distortion.
• No synchronisation (intermittently).
• F7 error clears after a few minutes. (part of circuit diagram displayed) (BAUR - 809076 information)
• Trips, plop in speakers.
• Certain channels drop out in UHF range.
• Microprocessor/eprom screening plate.
• No audio (intermittently). (+ extract of circuit diagram)
• Incorrect OSD characters.
• Shuts down. (with circuit diagram extract)
• Pulsing, rolling with jagged white line at top of screen.
• No red.
• After a few hours there is a slight reduction of brightness. When changing channel manually the display reads F4 or F7. (extract of circuit diagram attached)
• Intermittently strange signs in picture. No function of RC. (extract of circuit diagram attached)
• Disable hotel mode.
• Teletext faults. Page 811 appears spontaneously. (part of circuit diagram displayed)
• Difficult front control operation.
• The "LE" voltage is less than 100V. (part of circuit diagram displayed) (809076 tips)
• After operating for approx 1.5 hours the appliance switches to search mode by itself.
• Blocked control. Error F7. LED flashing.
• Only chroma lines in VCR. (809076 tips)
• No RC functions. (+ extract of circuit diagram)
• Supply voltage cuts out, appliance whistles.
• Shuts down (after a few minutes). PSU pulsates. (809076 tips)
• Snowy raster. (picture attached) (809076 BAUR repair tip)
• Cycles on/off (intermittently). (service info for BAUR -809076)
• Ragged picture. Dim display. (extract of circuit diagram attached)
• Tripping with clicking via speaker. (with circuit diagram extract)
• Blank raster. No sound. No OSD. RC LED does not flash when a command is transmitted. (extract of circuit diagram attached)
• No or poor operation of RC and front controls. No picture when cold. (+ extract of circuit diagram)
• Interference lines when cold but not when warm.
• Black lines in picture, then no picture. (service info for BAUR -809076)
• When appliance is switched on it jumps to channel 3 then when the appliance is warm it shuts down. (+ extract of circuit diagram)
• Erratic functions on satellite RX. (service info for BAUR -809076)
• Purity fault.
• Appliance stuck on programme "1". OSD shows F7. (809076 BAUR repair tip)
• No picture. AV OK . (part of circuit diagram displayed)
• Zig-Zags edges on picture.
• No picture. No sound. No RC function. LED lights up green.
• Outlines are distorted in the top part of the picture and intermittently no colour.
• No audio. Picture OK . (with circuit diagram extract)
• Vertical collapse. (picture attached)
• No picture. in the centre.
• The remote control and the operation unit shut off after approx.10 min.Later strange symbols appear on the screen. (+ extract of circuit diagram)
• Popping noise from speakers, only at switch on.
• No picture. at start-up.
• Low output from power supply.
• After tuning the channels cannot be stored. The appliance memorises one channel by itself. (+ extract of circuit diagram)
• Does not go to standby via RC; LED on set changes from green to orange (should be red).
• Standby LED continuously flashing.
• No synchronisation. when cold. (picture attached)
• How to convert from G90 + SAT RX to standard G90. (BAUR - 809076 information)
• Dead. Standby LED flashes .
• No OSD. (picture attached)
• No start-up. Green LED flashes .
• Poor line synchronisation. (picture attached)
• Destroys BUT11 and bridge rectifiers on switch on. (+ extract of circuit diagram)
• Missing 95V.
• Intermittently sound mutes and OSG are jumbled.
• Distorted picture. when cold.
• Only part picture can be seen, sound OK. (picture attached)
• No functions. LED blinks . (picture attached)
• Picture becomes dark from time to time, cannot be adjusted. (picture attached)
• Reduced vertical size. (extract of circuit diagram attached)
• Stuck in standby. (809076 tip from BAUR)
• Intercarrier buzzing is audible.
• Cogging down sides of picture. (picture attached)
• No horizontal synchronisation. in TXT. (part of circuit diagram displayed)
• U743 tuner replacement.
• Hiccups and returns to channel 1. Unable to reset. (extract of circuit diagram attached)
• Reset after a no. of hours, switches back to programme 1.
• Lines in light areas and letters. Improves when contrast reduced. (part of circuit diagram displayed)
• Tripping. at start-up.
• Faulty TXT.
• Shuts down. after a while.
• For 5 minutes zigzag edges in the picture. (part of circuit diagram displayed)
• Rattle in sound. (picture attached)
• Vertical striations and shading on left hand side of picture accompanied by smearing. Intermittent loss of line lock.
• No regulation. (with circuit diagram extract)
• 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 attached)
• The raster pulls. (with circuit diagram extract) (service info for BAUR -809076)
• No picture. Blank raster. (extract of circuit diagram attached) (809076 tips)
• Tripping. (extract of circuit diagram attached)
• Occasional picture foldover at the top on certain programas when changing picture or channel.
• Appliance runs perfectly, switches to standby then pumps the PSU.
• Vertical shaking. No synchronisation.
• CDI picture comes through on TXT with G90AE chassis.
• The R3661 resistor is in open circuit. (extract of circuit diagram attached)
• No colour. (part of circuit diagram displayed)
• Short circuit in the power supply.
• Loss of sound. STEREO/MONO indication lit.
• Tuning drifts (intermittently). (part of circuit diagram displayed)
• Tuning drift or no signals though the green bar moves. (extract of circuit diagram attached)
• No synchronisation. (+ extract of circuit diagram)
• Shutsdown with motorboating noise after 10 minutes.
• No picture. TXT OK .
• 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.
• Light picture content with coloured background.
• Switches off by itself.
• The appliance will not tune stations higher than 55, the tuning varies. (picture attached)
• If appliance is switched to standby when cold, it starts pumping. Other functions OK.
• Only noise, otherwise no functions or display.
• Tuned stations change constantly in the upper tuning areas VHF (B III) and UHF.
• Line output transistor 7545 (BUT11AF) fails after a while. (809076 BAUR repair tip)
• Manufacturing error.
• "F7" on OSD. No audio and stuck on channel. OK after 20 mins.
• PSU pulsates.
• Incorrect characters on the screen.
• Poor tuning. Search sometimes does not stop. Picture shifted and trembles. (extract of circuit diagram attached)
• No text, F7 displayed. (with circuit diagram extract)
• No horizontal deflection. Standby LED flashes . (BAUR - 809076 information)
• Picture only 3cms high. (BAUR - 809076 information)
• Intermittent standby; loss of signals, colour and contrast. (extract of circuit diagram attached)
• Hum in audio. Horizontal lines.
• The BUT11AF is destroyed after some time. (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.
• Intermittent audio. (extract of circuit diagram attached)
• Limited contrast control range. (with circuit diagram extract) (809076 tip from BAUR)
• Stops when warm. Display shows F7.
• Line output transformer information. (809076 tips)
• No vertical deflection. (+ extract of circuit diagram) (809076 tip from BAUR)
• Teletext faults. Characters wrong. (extract of circuit diagram 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. (service info for BAUR -809076)
• Lines in picture. on the left.
• Not operational. F7 in picture.
• Intermittently displaying error code F7.
• Picture is missing, LED displays F4. (part of circuit diagram displayed)
• No signal to the collector BUT11AF. (+ extract of circuit diagram) (809076 BAUR repair tip)
• Low HV. intermittently. (part of circuit diagram displayed)
• Display has corrugated verticals. (part of circuit diagram displayed)
• No E/W, oscillation wide in narrow field on right side.
• Defective switching transistor in the SOPS supply. (part of circuit diagram displayed)
• "F7" displayed.
• No tuning.
• LED blinks in STANDBY mode. (picture attached)
• Error codes.
• 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.
• Only programme 6 at switch on. F7 on display. No control. No function of keys or RC. (picture attached)
• No colour in French standard.
• Dark picture. (+ extract of circuit diagram)
• Data lead to microprocessor on main board from satellite RX.
• Breakdown of T7625. (+ extract of circuit diagram)
• Horizontal picture pulling especially with vertical lines. Fault disappears when warm. (extract of circuit diagram attached)
• No picture. OSD OK . (part of circuit diagram displayed)
• The mains transistor BUT11 permanently blows at switch on. (part of circuit diagram displayed)
• Does not tune properly and will not stop on stations. (picture attached)
• Humming, ticking. (with circuit diagram extract)
• Horizontally torn picture.
• Lines in picture. (+ extract of circuit diagram)
• TS 7625 breaks frequently. (picture attached)
• Codes F4 or F7 with no signals and LED orange.
• Bright raster. Poor vertical linearity. (extract of circuit diagram attached)
• Line pairing at top half of picture. (part of circuit diagram displayed)
• 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.
• No switch to AV. EXT1 or EXT2.
• Character error.
• Displaying error code F7 intermittently. (+ extract of circuit diagram)
• Addition of fuse 1670.
• Trips with power LED flashing and speaker popping in unison. (picture attached)
• Does not switch to standby.
• Low picture contrast. Cannot be controlled via user control.
• Fine, dark horizontal lines when warm.
• BUT11AF is defective and is destroyed at each start up. (+ extract of circuit diagram)
• Picture darkens slightly with remote control commands having no effect after about 2 hours. Display shows F4 or F7. (+ extract of circuit diagram)
• The voltage of +95V line alters. (part of circuit diagram displayed)
• No sound and "F7" on OSD, OK after 20 mins.
• Stuck on channel 8. No front controls or R/C operations. Standby LED flashing. (part of circuit diagram displayed)
• Drifts through the tuning, unprogrammable. (809076 BAUR repair tip)
• Blank raster. TXT OK . (picture attached)
• Teletext faults. Set very intermittently shows error F7. (+ extract of circuit diagram)
• To loop the video through not using circuitry on satellite RX. (809076 tips)
• Power supply defective.
• No sound at switch on. Picture is present. "F7" displayed on screen. No RC. Everything OK when warm.
• Over-voltage circuit active. (+ extract of circuit diagram)
• Hum (interference noise) from speaker in standby. (part of circuit diagram displayed)
• Picture flares. (part of circuit diagram displayed)
• Blue picture. (part of circuit diagram displayed) (809076 BAUR repair tip)
• Horizontal jitter. in the centre.
• Useful voltages to check on satellite RX board
• PSU shutsdown with popping sound. LEDs flashing.
• +95V is incorrect. (extract of circuit diagram attached)
• Vertical foldover. Flyback lines.
• No tuning search. No channels change. No numbers on display.
• Protection IC7380 BB panel.
• No channel storing.
• Distorted picture. OK via SCART . (809076 BAUR repair tip)
• Sometimes remains in standby when switched on with the help of mains switch.
• No colour (at start-up). (part of circuit diagram displayed)
• Set blocks. (with circuit diagram extract)
• PSU failure.
• Switches spontaneously to program 1. (picture attached)
• F5 Error on sets with satellite RX.
• Horizontal collapse (intermittently).
• Tripping (after start-up). (part of circuit diagram displayed) (809076 BAUR repair tip)
• No picture.
• Light and dark vertical lines on left of picture. TXT does not function. OK when warm. (+ extract of circuit diagram)
• Insufficient contrast. When readjusting, brightness is also adjusted. teletext is O.K. (part of circuit diagram displayed)
• No adjustment to low volume. (extract of circuit diagram attached)
• EHT low and line output transformer makes a fizzing noise. (+ extract of circuit diagram)
• Low contrast. (with circuit diagram extract)
• Light spot after switch off. (with circuit diagram extract)
• Picture jitters.
• Corrugated verticals. (+ extract of circuit diagram)
• After working normally for approx 2 hours, the TV blocks. "EX" appears on the screen. The remote control receiver does not function.
• No functions. after a few minutes.
• White screen. (with circuit diagram extract)
• IC7720 does not function correctly. (picture attached)
• Dead. LED blinks .
• Tuning drifts. (picture attached)
• Faulty OSD.
• On PB strange symbols or text appears on the screen.
• Page 811 appears by itself and is blocked.
• Does not respond to commands in first 5 mins.
• Trips few mins after switch on, increasing in speed until popping approx twice per sec. (+ extract of circuit diagram)
• No VHF1 and VHF3 function.
• The power supply is noisy in standby. (picture attached)
• No tuning. No display. No RC functions. (extract of circuit diagram attached)
• No functions. (with circuit diagram extract)
• "F7" on OSD. No sound. LED flashing. OK after 20 mins. (extract of circuit diagram attached)
• Dead. (extract of circuit diagram attached)
• Chroma fault in SECAM. (extract of circuit diagram attached)
• 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.
• Tuning drifts. Poor picture (when cold).
• No line timebase operation. (picture attached)
• The power supply gurgles if the mains voltage is weak. (picture attached)
• F4 Error with arrows on sets with satellite RX.
• The voltage is too weak. (part of circuit diagram displayed)
• Dead. Power LED lit . (extract of circuit diagram attached)
• Raster lines at the top of the picture, approx. 5 cm wide.
• Blows fuse.
• No picture. Audio OK . (part of circuit diagram displayed)
• Video signal and sound are missing, raster is blank. (with circuit diagram extract)
• Pal/Secam chroma identification problem.
• Black dots in the bright-white spots.
• Fault codes F4 or F7 with no signals and orange LED.
• Picture becomes narrow, lighter and disappears.
• No teletext. No F7 error. Can still change channels in text mode.
• Flashover on picture tube print. (part of circuit diagram displayed)
• Line lock is incorrect.
• Does not switch on when cold. Strange oscillating noise from PSU. Green LED flashes quickly. Picture appears after a few mins but extremely noisy.
• Squealing from PSU.
• Does not tune optimally. (extract of circuit diagram attached)
• When warm there is a raster fault on the left.
• Only one horizontal line at bottom of screen.
• Sound is distorted and disappears as the volume is turned up. (+ extract of circuit diagram)
• Switches back to program 1. (809076 BAUR repair tip)
• Intercarrier-hum. (with circuit diagram extract)
• No start-up. Squealing from PSU.
• Sound crackles and LED flashes green in the same rhythm.
• Reduced horizontal size.
• No reaction from front controls and RC. Also no switchover possible to HF.
• Switches off automatically for a short time and restarts with program1. Picture drops out or switches off.
• Intermittently returns to channel 1, accompanied by a sound of arcing around tube base.
• No function. Rapid loud popping noise with synchronised standby LED flashing.
• Chopper transistor (BUT11AF) S/C. (extract of circuit diagram attached)
• Shape of picture is wrong. The fault is more evident in text mode. Also thin black horizontal lines.
• Erratic clock.
• F7 upon switch on, or intermittent F7.
• No TXT. No picture. after a while.
• One colour missing. (with circuit diagram extract)
• No blue. (extract of circuit diagram attached)
• Picture is bowing on edges for couple of minutes.
• No focus.
• Wide oscillation in the weak field on the right hand side. (part of circuit diagram displayed) (809076 tips)
• Thin horizontal black lines in upper picture area. Error is shock sensitive in the beginning, then becomes permanent.
• Fluttering noise.
• No tuning. only on certain channels.
• Squealing from PSU. Audio and picture OK . (+ extract of circuit diagram)
• Line transformer crackles.
• Doesn't start, at switch-on LED green, then goes back to standby, doesn't respond to RC.
• 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 sound, F7 error code LED flashes. (part of circuit diagram displayed)
• Tripping (intermittently).
• Crackling/bubbling sound from speaker when switched to standby after a short time. (part of circuit diagram displayed)
• Excessive vertical and horizontal size. (+ extract of circuit diagram)
• Blurry picture. Audio OK . (809076 tip from BAUR)
• No picture content for the first ten minutes. White picture with flybacks lines.
• Strange signs in picture or text. EXT 1 and EXT 2.
• Noise from PSU.
• Does not stop when sweep tuning. Drifts if manually tuned. (+ extract of circuit diagram)
• Searches for channels continuously. (extract of circuit diagram attached)
• No sound. No channels switching. Error code F7 appears on screen (TXT board).
• In TXT, takes about 60 secs to build up page. Page never quite fills up completely with data, thus looking confusing.
• Random failure of the BUT11AF chopper transistor. (extract of circuit diagram attached)
• Poor functioning of RC receiver at switch on from standby. RC must be close to IR receiver.
• Picture and sound are missing, LED flashes at switch on, ok in standby. (809076 tip from BAUR)
• Spot lights after switching off. (+ extract of circuit diagram)
• Jumps to channel 1 or switches off itself. (+ extract of circuit diagram)
• After approx 30 mins faulty OSD and no function. No start-up furthermore.
• Reduced vertical size. Vertical foldover at top. (picture attached)
• Black horizontal lines in picture.
• No or poor synchronisation.
• No red in the picture with an RGB input.
• Blocks and wrong OSD indication.
• Intermittently F4 appears. Dark picture.
• PSU blows immediately at every switch on.
• Dead (intermittently).
• The output transistor of the power supply is defective. BUT11AF, BUT18AF or 2SC3973B. (with circuit diagram extract)
• Cycles on/off.
• No tuning. Snow in picture. (+ extract of circuit diagram)
• Upper part of picture consists of a few lines. (with circuit diagram extract)
• Memory loss. (extract of circuit diagram attached)
• No text, front controls perform wrong task. (with circuit diagram extract)
• Mono/stereo display error.
• Poor audio. (with circuit diagram extract)
• A production change: (service info for BAUR -809076)
• No line oscillation.
• 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)
• Intermittent fuse blowing, blows BUT11AF. (with circuit diagram extract)
• Line tearing at vertical lines from top to bottom in test picture. (809076 tip from BAUR)
• Intermittently trips. Picture pulses to low width. Reduced height. Raster flashes.
• Flyback lines. at top.
• "F7" displayed on OSD, LED flashes and user controls inoperative.