809106 / BAUR [TV]

• After tuning the channels cannot be stored. The appliance memorises one channel by itself. (with circuit diagram extract)
• Vertical foldover. Flyback lines.
• Rattle in sound. (part of circuit diagram displayed)
• Blocks and wrong OSD indication.
• Fault codes F4 or F7 with no signals and orange LED.
• "F7" displayed.
• No teletext. No F7 error. Can still change channels in text mode.
• Ragged picture. Dim display. (with circuit diagram extract)
• Snowy picture. No sound. LED flashes alternately green and yellow. No control via user control and RC. After approx. 5 mins operation, functions ok.
• Picture is bowing on edges for couple of minutes.
• No picture. AV OK . (picture attached)
• Tripping (intermittently).
• Black horizontal lines in picture.
• Does not tune optimally. (+ extract of circuit diagram)
• No RC functions. (extract of circuit diagram attached)
• The voltage of +95V line alters. (picture attached)
• Intermittently sound mutes and OSG are jumbled.
• No blue. (+ extract of circuit diagram)
• Limited contrast control range. (picture attached)
• Erratic functions on satellite RX.
• No adjustment to low volume. (picture attached)
• PSU failure. (service info for BAUR -809106)
• Drifts through the tuning, unprogrammable.
• Vertical collapse. (picture attached)
• One colour missing. (with circuit diagram extract)
• Power supply defective.
• Noise from PSU.
• Random failure of the BUT11AF chopper transistor. (picture attached)
• Interference lines when cold but not when warm.
• Sometimes remains in standby when switched on with the help of mains switch.
• Blank raster. TXT OK . (picture attached)
• PSU shutsdown with popping sound. LEDs flashing.
• Teletext faults. Characters wrong. (picture attached)
• After approx 30 mins faulty OSD and no function. No start-up furthermore.
• Picture darkens slightly with remote control commands having no effect after about 2 hours. Display shows F4 or F7. (picture attached)
• Appliance stuck on programme "1". OSD shows F7.
• A production change:
• Addition of fuse 1670.
• Jumps to channel 1 or switches off itself. (+ extract of circuit diagram)
• Pulsing, rolling with jagged white line at top of screen.
• Wide oscillation in the weak field on the right hand side. (part of circuit diagram displayed)
• Does not stop when sweep tuning. Drifts if manually tuned. (with circuit diagram extract) (809106 BAUR repair tip)
• For 5 minutes zigzag edges in the picture. (part of circuit diagram displayed)
• F7 upon switch on, or intermittent F7.
• Distorted picture. when cold.
• No audio. No picture. (picture attached)
• Spot lights after switching off. (extract of circuit diagram attached)
• Difficult front control operation. (service info for BAUR -809106)
• IC7720 does not function correctly. (with circuit diagram extract)
• Purity fault.
• Manufacturing error.
• Appliance works perfectly for a few days and then all the components burn out on the primary side of the switching circuit. (part of circuit diagram displayed) (service info for BAUR -809106)
• Horizontal collapse (intermittently).
• Switches off by itself.
• PSU pulsates.
• Picture only 3cms high. (809106 BAUR repair tip)
• No sound, F7 error code LED flashes. (picture attached)
• Missing 95V.
• Codes F4 or F7 with no signals and LED orange. (809106 BAUR repair tip)
• Line transformer crackles.
• LED blinks in STANDBY mode. (+ extract of circuit diagram)
• Set blocks. (extract of circuit diagram attached)
• No picture. Audio OK . (+ extract of circuit diagram)
• To loop the video through not using circuitry on satellite RX.
• No line timebase operation. (extract of circuit diagram attached)
• D5770 (ZTK33B) fails repeatedly. No tuning or tuning drifts. (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.
• No E/W, oscillation wide in narrow field on right side. (service info for BAUR -809106)
• "F7" on OSD. No audio and stuck on channel. OK after 20 mins.
• Corrugated verticals. (part of circuit diagram displayed)
• Intermittent standby; loss of signals, colour and contrast. (part of circuit diagram displayed)
• Flyback lines. at top.
• EHT low and line output transformer makes a fizzing noise. (picture attached)
• The BUT11AF is destroyed after some time. (with circuit diagram extract) (service info for BAUR -809106)
• Poor line synchronisation. (picture attached)
• Tuned stations change constantly in the upper tuning areas VHF (B III) and UHF.
• Appliance runs perfectly, switches to standby then pumps the PSU.
• Erratic clock.
• Fine, dark horizontal lines when warm. (809106 BAUR repair tip)
• Trips with power LED flashing and speaker popping in unison. (with circuit diagram extract)
• No start-up. Green LED flashes .
• Memory loss. (with circuit diagram extract)
• Only one horizontal line at bottom of screen.
• No VHF1 and VHF3 function.
• F7 error clears after a few minutes. (extract of circuit diagram attached)
• Microprocessor/eprom screening plate.
• Zig-Zags edges on picture.
• Intercarrier buzzing is audible. (809106 tip from BAUR)
• No TXT. No picture. after a while.
• Line tearing at vertical lines from top to bottom in test picture.
• No switch to AV. EXT1 or EXT2.
• Poor tuning. Search sometimes does not stop. Picture shifted and trembles. (+ extract of circuit diagram)
• How to convert from G90 + SAT RX to standard G90. (809106 tip from BAUR)
• Vertical shaking. No synchronisation. (809106 tips)
• TS 7625 breaks frequently. (extract of circuit diagram attached)
• After operating for approx 1.5 hours the appliance switches to search mode by itself.
• Shuts down (after a few minutes). PSU pulsates. (service info for BAUR -809106)
• Lines in picture. on the left.
• Poor functioning of RC receiver at switch on from standby. RC must be close to IR receiver.
• No picture. TXT OK .
• Hiccups and returns to channel 1. Unable to reset. (part of circuit diagram displayed)
• Video signal and sound are missing, raster is blank. (extract of circuit diagram attached)
• Picture is missing, LED displays F4. (with circuit diagram extract)
• Distorted picture. OK via SCART .
• Outlines are distorted in the top part of the picture and intermittently no colour.
• Tripping with clicking via speaker. (extract of circuit diagram attached)
• Error codes.
• Character error.
• Reduced vertical size. (picture attached)
• Switches spontaneously to program 1. (extract of circuit diagram attached) (service info for BAUR -809106)
• The voltage is too weak. (picture attached)
• Intermittent fuse blowing, blows BUT11AF. (+ extract of circuit diagram)
• PSU blows immediately at every switch on.
• No sound at switch on. Picture is present. "F7" displayed on screen. No RC. Everything OK when warm.
• No tuning. Snow in picture. (part of circuit diagram displayed)
• Disable hotel mode.
• No red in the picture with an RGB input.
• Display has corrugated verticals. (part of circuit diagram displayed)
• No colour. (extract of circuit diagram attached)
• Data lead to microprocessor on main board from satellite RX.
• Vertical striations and shading on left hand side of picture accompanied by smearing. Intermittent loss of line lock.
• Incorrect characters on the screen.
• Dead. (with circuit diagram extract)
• Thin horizontal black lines in upper picture area. Error is shock sensitive in the beginning, then becomes permanent.
• No tuning.
• Destroys BUT11 and bridge rectifiers on switch on. (extract of circuit diagram attached)
• CDI picture comes through on TXT with G90AE chassis.
• Intermittently displaying error code F7. (BAUR - 809106 information)
• Stops when warm. Display shows F7.
• Blocked control. Error F7. LED flashing.
• Humming, ticking. (extract of circuit diagram attached)
• Breakdown of T7625. (extract of circuit diagram attached)
• Does not tune properly and will not stop on stations. (with circuit diagram extract)
• Tuning drifts. (+ extract of circuit diagram)
• Page 811 appears by itself and is blocked.
• Blue picture. (picture attached)
• The R3661 resistor is in open circuit. (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. (809106 tip from BAUR)
• After working normally for approx 2 hours, the TV blocks. "EX" appears on the screen. The remote control receiver does not function.
• Intermittently F4 appears. Dark picture.
• Intermittently trips. Picture pulses to low width. Reduced height. Raster flashes.
• No start-up. Squealing from PSU.
• On PB strange symbols or text appears on the screen.
• Reset after a no. of hours, switches back to programme 1.
• No red.
• Trips, plop in speakers.
• No synchronisation (intermittently).
• Squealing from PSU. Audio and picture OK . (extract of circuit diagram attached) (809106 tips)
• 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.
• Stuck on channel 8. No front controls or R/C operations. Standby LED flashing. (picture attached) (809106 BAUR repair tip)
• No functions. (with circuit diagram extract)
• No or poor synchronisation.
• Trips few mins after switch on, increasing in speed until popping approx twice per sec. (extract of circuit diagram attached)
• Raster lines at the top of the picture, approx. 5 cm wide.
• Short circuit in the power supply. (809106 tips)
• No channel storing.
• F5 Error on sets with satellite RX.
• After a few hours there is a slight reduction of brightness. When changing channel manually the display reads F4 or F7. (picture attached)
• No picture. in the centre.
• The mains transistor BUT11 permanently blows at switch on. (extract of circuit diagram attached)
• BUT11AF is defective and is destroyed at each start up. (extract of circuit diagram attached)
• Does not go to standby via RC; LED on set changes from green to orange (should be red).
• Horizontal picture pulling especially with vertical lines. Fault disappears when warm. (picture attached)
• Intermittently strange signs in picture. No function of RC. (part of circuit diagram displayed)
• Sizzling/picture distortion.
• Shuts down. after a while.
• Light picture content with coloured background.
• Sound is distorted and disappears as the volume is turned up. (part of circuit diagram displayed)
• Cogging down sides of picture. (extract of circuit diagram attached)
• When warm there is a raster fault on the left.
• No tuning. No display. No RC functions. (picture attached)
• Tuning drifts (intermittently). (extract of circuit diagram attached) (809106 tip from BAUR)
• No regulation. (part of circuit diagram displayed)
• "F7" displayed on OSD, LED flashes and user controls inoperative.
• Stuck in standby.
• 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.
• Chroma fault in SECAM. (with circuit diagram extract)
• +95V is incorrect. (+ extract of circuit diagram)
• No text, F7 displayed. (extract of circuit diagram attached)
• Supply voltage cuts out, appliance whistles.
• In TXT, takes about 60 secs to build up page. Page never quite fills up completely with data, thus looking confusing.
• Picture and sound are missing, LED flashes at switch on, ok in standby.
• No text, front controls perform wrong task. (extract of circuit diagram attached) (BAUR - 809106 information)
• Horizontally torn picture.
• The raster pulls. (+ extract of circuit diagram)
• No picture. Blank raster. (+ extract of circuit diagram) (809106 tips)
• No tuning. only on certain channels.
• Line pairing at top half of picture. (part of circuit diagram displayed)
• Shape of picture is wrong. The fault is more evident in text mode. Also thin black horizontal lines. (809106 tip from BAUR)
• Blows fuse.
• No tuning search. No channels change. No numbers on display. (809106 tip from BAUR)
• Low output from power supply.
• Strange signs in picture or text. EXT 1 and EXT 2.
• Dead. LED blinks .
• No functions. after a few minutes.
• Snowy raster. (picture attached) (809106 tips)
• Certain channels drop out in UHF range.
• F0, UHF and P1 indication after approx 30 mins then no function.
• Over-voltage circuit active. (part of circuit diagram displayed)
• Squealing from PSU.
• Tripping. (with circuit diagram extract)
• Faulty TXT.
• The power supply gurgles if the mains voltage is weak. (+ extract of circuit diagram)
• Lines in light areas and letters. Improves when contrast reduced. (+ extract of circuit diagram)
• Picture becomes dark from time to time, cannot be adjusted. (with circuit diagram extract)
• No audio. Picture OK . (extract of circuit diagram attached)
• Only programme 6 at switch on. F7 on display. No control. No function of keys or RC. (picture attached)
• No picture. OSD OK . (with circuit diagram extract)
• Protection IC7380 BB panel.
• Blurry picture. Audio OK .
• No picture. No sound. No RC function. LED lights up green.
• Occasional picture foldover at the top on certain programas when changing picture or channel.
• No focus.
• Line lock is incorrect.
• The power supply is noisy in standby. (+ extract of circuit diagram) (service info for BAUR -809106)
• Intercarrier-hum. (+ extract of circuit diagram)
• Black dots in the bright-white spots.
• Switches back to program 1.
• "F7" on OSD. No sound. LED flashing. OK after 20 mins. (picture attached)
• Tripping (after start-up). (with circuit diagram extract)
• No signal to the collector BUT11AF. (extract of circuit diagram attached)
• Picture flares. (extract of circuit diagram attached)
• Blank raster. No sound. No OSD. RC LED does not flash when a command is transmitted. (picture attached)
• Bright raster. Poor vertical linearity. (+ extract of circuit diagram)
• Light and dark vertical lines on left of picture. TXT does not function. OK when warm. (picture attached)
• No reaction from front controls and RC. Also no switchover possible to HF.
• No or poor operation of RC and front controls. No picture when cold. (with circuit diagram extract)
• Hum (interference noise) from speaker in standby. (part of circuit diagram displayed)
• Does not function well. Wrong characters on screen. (part of circuit diagram displayed)
• If appliance is switched to standby when cold, it starts pumping. Other functions OK. (809106 tip from BAUR)
• No colour in French standard.
• Upper part of picture consists of a few lines. (+ extract of circuit diagram)
• Dead. Power LED lit . (+ extract of circuit diagram) (809106 tips)
• Black lines in picture, then no picture.
• Pal/Secam chroma identification problem.
• Only part picture can be seen, sound OK. (with circuit diagram extract)
• No picture. at start-up.
• Low HV. intermittently. (with circuit diagram extract)
• Sound crackles and LED flashes green in the same rhythm.
• Only chroma lines in VCR.
• No audio (intermittently). (picture attached)
• Low contrast. (part of circuit diagram displayed)
• Displaying error code F7 intermittently. (extract of circuit diagram attached)
• Light spot after switch off. (extract of circuit diagram attached) (809106 tip from BAUR)
• Searches for channels continuously. (picture attached)
• Lines in picture. (+ extract of circuit diagram)
• Excessive vertical and horizontal size. (part of circuit diagram displayed)
• 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.
• Does not switch to standby.
• Hum in audio. Horizontal lines.
• No sound. No channels switching. Error code F7 appears on screen (TXT board).
• No functions. LED blinks . (extract of circuit diagram attached)
• Incorrect OSD characters.
• No picture content for the first ten minutes. White picture with flybacks lines. (809106 tip from BAUR)
• Dark picture. (+ extract of circuit diagram)
• No line oscillation.
• Defective switching transistor in the SOPS supply. (extract of circuit diagram attached) (service info for BAUR -809106)
• Insufficient contrast. When readjusting, brightness is also adjusted. teletext is O.K. (extract of circuit diagram attached)
• No vertical deflection. (extract of circuit diagram attached)
• F4 Error with arrows on sets with satellite RX.
• Doesn't start, at switch-on LED green, then goes back to standby, doesn't respond to RC.
• Problems with FLOF TXT. Cannot find page 811 whereas in spite of this page is broadcast. TXT header remains on subtitling. (picture attached)
• Useful voltages to check on satellite RX board
• Reduced horizontal size.
• Line output transistor 7545 (BUT11AF) fails after a while.
• Chopper transistor (BUT11AF) S/C. (+ extract of circuit diagram)
• Does not switch on when cold. Strange oscillating noise from PSU. Green LED flashes quickly. Picture appears after a few mins but extremely noisy.
• Standby LED continuously flashing.
• Loss of sound. STEREO/MONO indication lit.
• Tuning drifts. Poor picture (when cold). (BAUR - 809106 information)
• Intermittently returns to channel 1, accompanied by a sound of arcing around tube base.
• Faulty OSD.
• No function. Rapid loud popping noise with synchronised standby LED flashing.
• The appliance will not tune stations higher than 55, the tuning varies. (with circuit diagram extract)
• The output transistor of the power supply is defective. BUT11AF, BUT18AF or 2SC3973B. (picture attached) (809106 tips)
• Picture jitters.
• When appliance is switched on it jumps to channel 3 then when the appliance is warm it shuts down. (picture attached)
• Teletext faults. Set very intermittently shows error F7. (+ extract of circuit diagram)
• Low picture contrast. Cannot be controlled via user control.
• Not operational. F7 in picture.
• No synchronisation. (part of circuit diagram displayed)
• Dead (intermittently).
• Mono/stereo display error.
• Poor audio. (part of circuit diagram displayed)
• No horizontal deflection. Standby LED flashes . (BAUR - 809106 information)
• No picture.
• U743 tuner replacement.
• Only noise, otherwise no functions or display.
• Crackling/bubbling sound from speaker when switched to standby after a short time. (part of circuit diagram displayed)
• Line output transformer information.
• Tuning drift or no signals though the green bar moves. (part of circuit diagram displayed)
• Switches off automatically for a short time and restarts with program1. Picture drops out or switches off. (809106 tip from BAUR)
• Reduced vertical size. Vertical foldover at top. (extract of circuit diagram attached)
• Dead. Standby LED flashes .
• Fluttering noise.
• Teletext faults. Page 811 appears spontaneously. (picture attached)
• White screen. (with circuit diagram extract)
• Vertical streaks at the left of the picture which disappear after a while. (part of circuit diagram displayed)
• Popping noise from speakers, only at switch on.
• Tripping. at start-up.
• The "LE" voltage is less than 100V. (extract of circuit diagram attached)
• Does not respond to commands in first 5 mins.
• Picture becomes narrow, lighter and disappears.
• No colour (at start-up). (with circuit diagram extract)
• Intermittent audio. (extract of circuit diagram attached)
• Cycles on/off (intermittently).
• 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 synchronisation. when cold. (part of circuit diagram displayed)
• Horizontal jitter. in the centre.
• Flashover on picture tube print. (+ extract of circuit diagram)
• Shuts down. (picture attached) (809106 tip from BAUR)
• No sound and "F7" on OSD, OK after 20 mins. (809106 BAUR repair tip)
• No horizontal synchronisation. in TXT. (part of circuit diagram displayed)
• The remote control and the operation unit shut off after approx.10 min.Later strange symbols appear on the screen. (+ extract of circuit diagram)
• No OSD. (part of circuit diagram displayed) (BAUR - 809106 information)
• Shutsdown with motorboating noise after 10 minutes.
• Cycles on/off.