809116 / BAUR [TV]

• Sound is distorted and disappears as the volume is turned up. (picture attached) (809116 BAUR repair tip)
• Light spot after switch off. (with circuit diagram extract)
• Hum in audio. Horizontal lines. (809116 tip from BAUR)
• Interference lines when cold but not when warm. (809116 tip from BAUR)
• "F7" displayed.
• Data lead to microprocessor on main board from satellite RX.
• The voltage is too weak. (part of circuit diagram displayed)
• Page 811 appears by itself and is blocked.
• Display has corrugated verticals. (part of circuit diagram displayed)
• Line output transistor 7545 (BUT11AF) fails after a while.
• Searches for channels continuously. (part of circuit diagram displayed)
• Insufficient contrast. When readjusting, brightness is also adjusted. teletext is O.K. (picture attached)
• Blank raster. No sound. No OSD. RC LED does not flash when a command is transmitted. (extract of circuit diagram attached) (BAUR - 809116 information)
• The remote control and the operation unit shut off after approx.10 min.Later strange symbols appear on the screen. (extract of circuit diagram attached)
• Erratic clock.
• No functions. after a few minutes. (809116 BAUR repair tip)
• Lines in picture. on the left.
• Power supply defective.
• Useful voltages to check on satellite RX board
• Intermittently returns to channel 1, accompanied by a sound of arcing around tube base.
• Fault codes F4 or F7 with no signals and orange LED.
• No functions. LED blinks . (picture attached)
• One colour missing. (+ extract of circuit diagram)
• No text, F7 displayed. (with circuit diagram extract)
• +95V is incorrect. (with circuit diagram extract)
• No synchronisation. when cold. (extract of circuit diagram attached) (809116 tip from BAUR)
• Horizontal picture pulling especially with vertical lines. Fault disappears when warm. (part of circuit diagram displayed)
• Upper part of picture consists of a few lines. (+ extract of circuit diagram)
• No regulation. (part of circuit diagram displayed)
• Incorrect OSD characters.
• Does not go to standby via RC; LED on set changes from green to orange (should be red).
• Only chroma lines in VCR.
• Line pairing at top half of picture. (+ extract of circuit diagram)
• Humming, ticking. (with circuit diagram extract)
• 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. (809116 tips)
• Cycles on/off.
• Incorrect characters on the screen.
• No horizontal deflection. Standby LED flashes .
• After operating for approx 1.5 hours the appliance switches to search mode by itself.
• Popping noise from speakers, only at switch on.
• Drifts through the tuning, unprogrammable.
• Tripping. at start-up.
• Intermittent audio. (extract of circuit diagram attached)
• The power supply is noisy in standby. (extract of circuit diagram attached)
• Appliance works perfectly for a few days and then all the components burn out on the primary side of the switching circuit. (with circuit diagram extract)
• Does not switch to standby.
• Distorted picture. when cold.
• Over-voltage circuit active. (picture attached) (809116 BAUR repair tip)
• Tripping with clicking via speaker. (picture attached)
• Blocked control. Error F7. LED flashing.
• Missing 95V.
• No RC functions. (picture attached)
• No sound. No channels switching. Error code F7 appears on screen (TXT board).
• Poor tuning. Search sometimes does not stop. Picture shifted and trembles. (picture attached)
• Raster lines at the top of the picture, approx. 5 cm wide.
• Intermittently F4 appears. Dark picture.
• 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. (809116 tip from BAUR)
• Sizzling/picture distortion.
• No audio (intermittently). (picture attached)
• After tuning the channels cannot be stored. The appliance memorises one channel by itself. (extract of circuit diagram attached)
• Light and dark vertical lines on left of picture. TXT does not function. OK when warm. (picture attached)
• Lines in light areas and letters. Improves when contrast reduced. (picture attached)
• No tuning. No display. No RC functions. (with circuit diagram extract)
• To loop the video through not using circuitry on satellite RX.
• No teletext. No F7 error. Can still change channels in text mode.
• No audio. Picture OK . (+ extract of circuit diagram) (service info for BAUR -809116)
• No red. (809116 tips)
• Stops when warm. Display shows F7.
• Low HV. intermittently. (+ extract of circuit diagram)
• Breakdown of T7625. (part of circuit diagram displayed)
• "F7" on OSD. No audio and stuck on channel. OK after 20 mins.
• Video signal and sound are missing, raster is blank. (picture attached)
• Hum (interference noise) from speaker in standby. (+ extract of circuit diagram)
• Dead. LED blinks .
• Horizontally torn picture.
• Zig-Zags edges on picture.
• Appliance runs perfectly, switches to standby then pumps the PSU.
• Picture and sound are missing, LED flashes at switch on, ok in standby.
• Horizontal jitter. in the centre. (service info for BAUR -809116)
• Only programme 6 at switch on. F7 on display. No control. No function of keys or RC. (+ extract of circuit diagram) (809116 tip from BAUR)
• Wide oscillation in the weak field on the right hand side. (with circuit diagram extract)
• No picture. OSD OK . (extract of circuit diagram attached)
• No TXT. No picture. after a while.
• No picture. at start-up.
• Line lock is incorrect.
• Shuts down. (picture attached)
• Blocks and wrong OSD indication.
• No start-up. Green LED flashes . (809116 tip from BAUR)
• Flyback lines. at top.
• EHT low and line output transformer makes a fizzing noise. (picture attached)
• F7 upon switch on, or intermittent F7.
• No picture. in the centre.
• Line transformer crackles.
• Defective switching transistor in the SOPS supply. (part of circuit diagram displayed)
• On PB strange symbols or text appears on the screen.
• The voltage of +95V line alters. (extract of circuit diagram attached)
• Picture becomes dark from time to time, cannot be adjusted. (with circuit diagram extract)
• The BUT11AF is destroyed after some time. (part of circuit diagram displayed)
• Limited contrast control range. (picture attached)
• No or poor synchronisation.
• Dead (intermittently).
• Squealing from PSU.
• 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.
• No picture. Blank raster. (+ extract of circuit diagram)
• Bright raster. Poor vertical linearity. (part of circuit diagram displayed)
• A production change:
• Spot lights after switching off. (with circuit diagram extract)
• Faulty OSD.
• Sound crackles and LED flashes green in the same rhythm.
• Faulty TXT.
• Low contrast. (with circuit diagram extract)
• 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.
• Poor line synchronisation. (+ extract of circuit diagram)
• 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 attached)
• Not operational. F7 in picture.
• Picture becomes narrow, lighter and disappears. (BAUR - 809116 information)
• Intermittently sound mutes and OSG are jumbled.
• No tuning. Snow in picture. (extract of circuit diagram attached)
• D5770 (ZTK33B) fails repeatedly. No tuning or tuning drifts. (with circuit diagram extract)
• No blue. (extract of circuit diagram attached)
• Tuning drift or no signals though the green bar moves. (+ extract of circuit diagram)
• Character error.
• Short circuit in the power supply. (service info for BAUR -809116)
• Switches back to program 1.
• No colour (at start-up). (part of circuit diagram displayed) (809116 tips)
• Intermittently strange signs in picture. No function of RC. (extract of circuit diagram attached)
• Appliance stuck on programme "1". OSD shows F7.
• Ragged picture. Dim display. (part of circuit diagram displayed)
• The "LE" voltage is less than 100V. (part of circuit diagram displayed)
• Vertical streaks at the left of the picture which disappear after a while. (+ extract of circuit diagram)
• Strange signs in picture or text. EXT 1 and EXT 2. (809116 BAUR repair tip)
• Switches off by itself.
• PSU failure.
• Destroys BUT11 and bridge rectifiers on switch on. (extract of circuit diagram attached)
• No channel storing.
• Sometimes remains in standby when switched on with the help of mains switch.
• Vertical striations and shading on left hand side of picture accompanied by smearing. Intermittent loss of line lock.
• Loss of sound. STEREO/MONO indication lit.
• Crackling/bubbling sound from speaker when switched to standby after a short time. (extract of circuit diagram attached)
• Distorted picture. OK via SCART .
• Does not function well. Wrong characters on screen. (+ extract of circuit diagram)
• Doesn't start, at switch-on LED green, then goes back to standby, doesn't respond to RC.
• Codes F4 or F7 with no signals and LED orange.
• Standby LED continuously flashing.
• Only noise, otherwise no functions or display.
• Noise from PSU.
• No picture. Audio OK . (+ extract of circuit diagram)
• Low output from power supply.
• No picture. No sound. No RC function. LED lights up green.
• U743 tuner replacement.
• Tuning drifts. (extract of circuit diagram attached)
• No sound and "F7" on OSD, OK after 20 mins.
• Teletext faults. Set very intermittently shows error F7. (with circuit diagram extract)
• No line timebase operation. (extract of circuit diagram attached)
• F5 Error on sets with satellite RX.
• Shuts down. after a while.
• Excessive vertical and horizontal size. (part of circuit diagram displayed)
• Light picture content with coloured background.
• Tuning drifts. Poor picture (when cold).
• Shuts down (after a few minutes). PSU pulsates.
• Memory loss. (extract of circuit diagram attached)
• Poor audio. (with circuit diagram extract)
• Line tearing at vertical lines from top to bottom in test picture.
• Black horizontal lines in picture.
• Teletext faults. Characters wrong. (with circuit diagram extract)
• PSU pulsates.
• No or poor operation of RC and front controls. No picture when cold. (part of circuit diagram displayed)
• No sound at switch on. Picture is present. "F7" displayed on screen. No RC. Everything OK when warm.
• No text, front controls perform wrong task. (part of circuit diagram displayed)
• LED blinks in STANDBY mode. (with circuit diagram extract)
• 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.
• The power supply gurgles if the mains voltage is weak. (+ extract of circuit diagram)
• No sound, F7 error code LED flashes. (with circuit diagram extract)
• No synchronisation (intermittently).
• The output transistor of the power supply is defective. BUT11AF, BUT18AF or 2SC3973B. (extract of circuit diagram attached) (809116 tip from BAUR)
• Picture is bowing on edges for couple of minutes.
• Shape of picture is wrong. The fault is more evident in text mode. Also thin black horizontal lines.
• Fine, dark horizontal lines when warm.
• Vertical foldover. Flyback lines.
• "F7" on OSD. No sound. LED flashing. OK after 20 mins. (with circuit diagram extract)
• Does not stop when sweep tuning. Drifts if manually tuned. (part of circuit diagram displayed)
• No synchronisation. (part of circuit diagram displayed) (809116 tips)
• After approx 30 mins faulty OSD and no function. No start-up furthermore.
• Pulsing, rolling with jagged white line at top of screen.
• No picture content for the first ten minutes. White picture with flybacks lines.
• Error codes.
• No red in the picture with an RGB input.
• Purity fault.
• Blank raster. TXT OK . (+ extract of circuit diagram)
• Intercarrier buzzing is audible.
• Squealing from PSU. Audio and picture OK . (extract of circuit diagram attached)
• Trips with power LED flashing and speaker popping in unison. (picture attached)
• Corrugated verticals. (+ extract of circuit diagram)
• Switches spontaneously to program 1. (part of circuit diagram displayed)
• Intercarrier-hum. (extract of circuit diagram attached)
• Picture is missing, LED displays F4. (picture attached)
• Intermittently trips. Picture pulses to low width. Reduced height. Raster flashes. (809116 tip from BAUR)
• "F7" displayed on OSD, LED flashes and user controls inoperative.
• Tuned stations change constantly in the upper tuning areas VHF (B III) and UHF.
• No colour. (+ extract of circuit diagram)
• Random failure of the BUT11AF chopper transistor. (extract of circuit diagram attached)
• For 5 minutes zigzag edges in the picture. (+ extract of circuit diagram)
• The appliance will not tune stations higher than 55, the tuning varies. (extract of circuit diagram attached)
• Chopper transistor (BUT11AF) S/C. (extract of circuit diagram attached) (809116 tip from BAUR)
• Does not respond to commands in first 5 mins.
• IC7720 does not function correctly. (picture attached)
• Lines in picture. (+ extract of circuit diagram)
• Mono/stereo display error.
• Only one horizontal line at bottom of screen.
• Supply voltage cuts out, appliance whistles. (809116 tip from BAUR)
• No tuning. only on certain channels.
• White screen. (with circuit diagram extract)
• The R3661 resistor is in open circuit. (with circuit diagram extract)
• Picture only 3cms high.
• Hiccups and returns to channel 1. Unable to reset. (extract of circuit diagram attached) (BAUR - 809116 information)
• Flashover on picture tube print. (+ extract of circuit diagram)
• Snowy raster. (part of circuit diagram displayed)
• CDI picture comes through on TXT with G90AE chassis.
• Intermittently displaying error code F7.
• F7 error clears after a few minutes. (picture attached)
• Blurry picture. Audio OK .
• No focus.
• Picture flares. (+ extract of circuit diagram)
• No start-up. Squealing from PSU.
• Does not tune properly and will not stop on stations. (+ extract of circuit diagram)
• Occasional picture foldover at the top on certain programas when changing picture or channel.
• Switches off automatically for a short time and restarts with program1. Picture drops out or switches off.
• No tuning.
• Stuck on channel 8. No front controls or R/C operations. Standby LED flashing. (picture attached)
• No picture.
• Snowy picture. No sound. LED flashes alternately green and yellow. No control via user control and RC. After approx. 5 mins operation, functions ok. (BAUR - 809116 information)
• No tuning search. No channels change. No numbers on display.
• No line oscillation.
• Reduced horizontal size.
• Reduced vertical size. (+ 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.
• No reaction from front controls and RC. Also no switchover possible to HF.
• Horizontal collapse (intermittently).
• Intermittent standby; loss of signals, colour and contrast. (extract of circuit diagram attached) (BAUR - 809116 information)
• No switch to AV. EXT1 or EXT2.
• Jumps to channel 1 or switches off itself. (picture attached)
• Reduced vertical size. Vertical foldover at top. (extract of circuit diagram attached)
• Intermittent fuse blowing, blows BUT11AF. (+ 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.
• TS 7625 breaks frequently. (+ extract of circuit diagram)
• Line output transformer information.
• Stuck in standby.
• Shutsdown with motorboating noise after 10 minutes.
• Dead. Standby LED flashes .
• No OSD. (picture attached)
• No E/W, oscillation wide in narrow field on right side.
• Difficult front control operation.
• When appliance is switched on it jumps to channel 3 then when the appliance is warm it shuts down. (extract of circuit diagram attached) (service info for BAUR -809116)
• Cogging down sides of picture. (with circuit diagram extract)
• Trips few mins after switch on, increasing in speed until popping approx twice per sec. (extract of circuit diagram attached)
• Vertical collapse. (with circuit diagram extract)
• Dark picture. (part of circuit diagram displayed)
• Chroma fault in SECAM. (extract of circuit diagram attached)
• F4 Error with arrows on sets with satellite RX.
• Trips, plop in speakers. (809116 BAUR repair tip)
• 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.
• Displaying error code F7 intermittently. (extract of circuit diagram attached)
• Set blocks. (extract of circuit diagram attached)
• Poor functioning of RC receiver at switch on from standby. RC must be close to IR receiver.
• No signal to the collector BUT11AF. (extract of circuit diagram attached)
• Blue picture. (extract of circuit diagram attached)
• Does not tune optimally. (picture attached) (809116 tips)
• When warm there is a raster fault on the left.
• How to convert from G90 + SAT RX to standard G90.
• No vertical deflection. (picture attached)
• Protection IC7380 BB panel.
• Dead. (with circuit diagram extract)
• If appliance is switched to standby when cold, it starts pumping. Other functions OK.
• Tripping (intermittently).
• No function. Rapid loud popping noise with synchronised standby LED flashing.
• The raster pulls. (+ extract of circuit diagram)
• No adjustment to low volume. (extract of circuit diagram attached)
• Dead. Power LED lit . (with circuit diagram extract)
• Black dots in the bright-white spots.
• Rattle in sound. (extract of circuit diagram attached)
• Picture darkens slightly with remote control commands having no effect after about 2 hours. Display shows F4 or F7. (picture attached)
• No picture. AV OK . (with circuit diagram extract)
• F0, UHF and P1 indication after approx 30 mins then no function.
• No audio. No picture. (with circuit diagram extract)
• Certain channels drop out in UHF range.
• Blows fuse.
• Outlines are distorted in the top part of the picture and intermittently no colour.
• Microprocessor/eprom screening plate. (809116 tips)
• No horizontal synchronisation. in TXT. (part of circuit diagram displayed)
• Picture jitters. (service info for BAUR -809116)
• PSU shutsdown with popping sound. LEDs flashing.
• Thin horizontal black lines in upper picture area. Error is shock sensitive in the beginning, then becomes permanent.
• Tripping (after start-up). (+ extract of circuit diagram)
• Black lines in picture, then no picture.
• No colour in French standard.
• The mains transistor BUT11 permanently blows at switch on. (picture attached)
• BUT11AF is defective and is destroyed at each start up. (+ extract of circuit diagram)
• Low picture contrast. Cannot be controlled via user control.
• Fluttering noise. (BAUR - 809116 information)
• Pal/Secam chroma identification problem.
• PSU blows immediately at every switch on.
• No VHF1 and VHF3 function. (809116 BAUR repair tip)
• Only part picture can be seen, sound OK. (extract of circuit diagram attached)
• Tripping. (extract of circuit diagram attached)
• Tuning drifts (intermittently). (part of circuit diagram displayed)
• Erratic functions on satellite RX.
• Addition of fuse 1670.
• No functions. (picture attached) (service info for BAUR -809116)
• 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)
• No picture. TXT OK . (service info for BAUR -809116)
• Disable hotel mode.
• Does not switch on when cold. Strange oscillating noise from PSU. Green LED flashes quickly. Picture appears after a few mins but extremely noisy.
• Vertical shaking. No synchronisation. (809116 BAUR repair tip)
• Cycles on/off (intermittently).
• Teletext faults. Page 811 appears spontaneously. (+ extract of circuit diagram)
• Manufacturing error.
• Reset after a no. of hours, switches back to programme 1.