PHILETTA2425VT / BAUR [TV]

• Dead. Standby LED flashes .
• White screen. (part of circuit diagram displayed)
• 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)
• Faulty OSD.
• No picture. AV OK . (picture attached) (PHILETTA2425VT tip from BAUR)
• Blue picture. (with circuit diagram extract)
• Blocks and wrong OSD indication.
• Switches back to program 1.
• No sound at switch on. Picture is present. "F7" displayed on screen. No RC. Everything OK when warm.
• Picture is missing, LED displays F4. (part of circuit diagram displayed)
• Does not switch on when cold. Strange oscillating noise from PSU. Green LED flashes quickly. Picture appears after a few mins but extremely noisy.
• Codes F4 or F7 with no signals and LED orange.
• Character error.
• Purity fault.
• Dead. Power LED lit . (extract of circuit diagram attached)
• No vertical deflection. (extract of circuit diagram attached)
• After tuning the channels cannot be stored. The appliance memorises one channel by itself. (part of circuit diagram displayed)
• No blue. (picture attached)
• Low HV. intermittently. (with circuit diagram extract)
• No tuning. No display. No RC functions. (picture attached)
• Intermittently strange signs in picture. No function of RC. (part of circuit diagram displayed)
• No focus.
• The BUT11AF is destroyed after some time. (+ extract of circuit diagram) (service info for BAUR -PHILETTA2425VT)
• The "LE" voltage is less than 100V. (with circuit diagram extract)
• Horizontal picture pulling especially with vertical lines. Fault disappears when warm. (with circuit diagram extract)
• No red in the picture with an RGB input.
• Snowy raster. (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.
• Cogging down sides of picture. (part of circuit diagram displayed)
• When warm there is a raster fault on the left.
• Intermittently displaying error code F7.
• No signal to the collector BUT11AF. (+ extract of circuit diagram)
• Incorrect OSD characters.
• Pulsing, rolling with jagged white line at top of screen.
• Not operational. F7 in picture.
• Picture only 3cms high.
• No text, F7 displayed. (+ extract of circuit diagram)
• F5 Error on sets with satellite RX.
• No horizontal deflection. Standby LED flashes .
• Manufacturing error.
• No sound and "F7" on OSD, OK after 20 mins.
• Faulty TXT.
• Difficult front control operation.
• After working normally for approx 2 hours, the TV blocks. "EX" appears on the screen. The remote control receiver does not function.
• Line lock is incorrect.
• Sizzling/picture distortion.
• No tuning search. No channels change. No numbers on display.
• Over-voltage circuit active. (part of circuit diagram displayed)
• No reaction from front controls and RC. Also no switchover possible to HF.
• 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.
• Picture jitters.
• Vertical streaks at the left of the picture which disappear after a while. (picture attached)
• On PB strange symbols or text appears on the screen.
• Display has corrugated verticals. (+ extract of circuit diagram)
• No audio. No picture. (with circuit diagram extract)
• No picture. OSD OK . (+ extract of circuit diagram) (BAUR - PHILETTA2425VT information)
• Flashover on picture tube print. (extract of circuit diagram attached) (service info for BAUR -PHILETTA2425VT)
• LED blinks in STANDBY mode. (extract of circuit diagram attached)
• Does not respond to commands in first 5 mins.
• No OSD. (picture attached)
• Chroma fault in SECAM. (with circuit diagram extract)
• For 5 minutes zigzag edges in the picture. (picture attached)
• Chopper transistor (BUT11AF) S/C. (extract of circuit diagram attached)
• Low output from power supply.
• Horizontal collapse (intermittently).
• F4 Error with arrows on sets with satellite RX.
• Low picture contrast. Cannot be controlled via user control.
• "F7" displayed on OSD, LED flashes and user controls inoperative.
• Intermittently trips. Picture pulses to low width. Reduced height. Raster flashes.
• D5770 (ZTK33B) fails repeatedly. No tuning or tuning drifts. (with circuit diagram extract)
• Tuning drift or no signals though the green bar moves. (part of circuit diagram displayed)
• Does not switch to standby. (PHILETTA2425VT tip from BAUR)
• Shuts down (after a few minutes). PSU pulsates.
• Tripping (after start-up). (with circuit diagram extract)
• A production change:
• Appliance stuck on programme "1". OSD shows F7.
• Mono/stereo display error.
• BUT11AF is defective and is destroyed at each start up. (picture attached)
• Line output transistor 7545 (BUT11AF) fails after a while.
• No synchronisation (intermittently).
• Noise from PSU.
• Dead. LED blinks .
• Insufficient contrast. When readjusting, brightness is also adjusted. teletext is O.K. (part of circuit diagram displayed)
• Intermittently sound mutes and OSG are jumbled.
• Tripping (intermittently).
• F0, UHF and P1 indication after approx 30 mins then no function.
• Addition of fuse 1670.
• No or poor operation of RC and front controls. No picture when cold. (part of circuit diagram displayed)
• Rattle in sound. (picture attached)
• Ragged picture. Dim display. (+ extract of circuit diagram)
• Popping noise from speakers, only at switch on.
• Does not function well. Wrong characters on screen. (extract of circuit diagram attached)
• No sound. No channels switching. Error code F7 appears on screen (TXT board).
• F7 error clears after a few minutes. (+ extract of circuit diagram)
• Incorrect characters on the screen.
• Light spot after switch off. (part of circuit diagram displayed)
• No adjustment to low volume. (picture attached)
• Tuning drifts (intermittently). (part of circuit diagram displayed)
• "F7" on OSD. No audio and stuck on channel. OK after 20 mins.
• Intermittent fuse blowing, blows BUT11AF. (extract of circuit diagram attached)
• Bright raster. Poor vertical linearity. (extract of circuit diagram attached)
• Switches off by itself.
• Does not stop when sweep tuning. Drifts if manually tuned. (part of circuit diagram displayed)
• Shape of picture is wrong. The fault is more evident in text mode. Also thin black horizontal lines.
• PSU shutsdown with popping sound. LEDs flashing.
• Dead. (with circuit diagram extract)
• Supply voltage cuts out, appliance whistles.
• Distorted picture. OK via SCART .
• When appliance is switched on it jumps to channel 3 then when the appliance is warm it shuts down. (with circuit diagram extract)
• No text, front controls perform wrong task. (with circuit diagram extract)
• Lines in picture. on the left.
• Loss of sound. STEREO/MONO indication lit.
• Teletext faults. Characters wrong. (picture attached)
• Sometimes remains in standby when switched on with the help of mains switch.
• Low contrast. (+ extract of circuit diagram) (PHILETTA2425VT BAUR repair tip)
• EHT low and line output transformer makes a fizzing noise. (+ extract of circuit diagram)
• Useful voltages to check on satellite RX board
• Trips, plop in speakers. (PHILETTA2425VT BAUR repair tip)
• Picture becomes dark from time to time, cannot be adjusted. (part of circuit diagram displayed)
• Sound crackles and LED flashes green in the same rhythm.
• Tuning drifts. (extract of circuit diagram attached)
• No tuning. only on certain channels.
• Poor functioning of RC receiver at switch on from standby. RC must be close to IR receiver.
• No tuning. Snow in picture. (part of circuit diagram displayed)
• No functions. after a few minutes.
• Picture is bowing on edges for couple of minutes.
• Black lines in picture, then no picture.
• Vertical collapse. (part of circuit diagram displayed)
• No switch to AV. EXT1 or EXT2.
• Intercarrier-hum. (+ extract of circuit diagram)
• Squealing from PSU. Audio and picture OK . (with circuit diagram extract)
• Video signal and sound are missing, raster is blank. (picture attached)
• The power supply gurgles if the mains voltage is weak. (extract of circuit diagram attached)
• Only programme 6 at switch on. F7 on display. No control. No function of keys or RC. (extract of circuit diagram attached)
• Tuned stations change constantly in the upper tuning areas VHF (B III) and UHF.
• Stuck in standby. (PHILETTA2425VT tip from BAUR)
• The raster pulls. (extract of circuit diagram attached)
• No picture content for the first ten minutes. White picture with flybacks lines.
• One colour missing. (picture attached)
• Light picture content with coloured background.
• No TXT. No picture. after a while.
• Picture flares. (picture attached)
• Black horizontal lines in picture.
• Hum in audio. Horizontal lines.
• No picture. Audio OK . (extract of circuit diagram attached)
• Cycles on/off.
• TS 7625 breaks frequently. (extract of circuit diagram attached)
• Poor tuning. Search sometimes does not stop. Picture shifted and trembles. (+ extract of circuit diagram)
• Intermittently F4 appears. Dark picture.
• No teletext. No F7 error. Can still change channels in text mode.
• No picture. No sound. No RC function. LED lights up green.
• Limited contrast control range. (part of circuit diagram displayed)
• Erratic clock.
• Outlines are distorted in the top part of the picture and intermittently no colour.
• Sound is distorted and disappears as the volume is turned up. (part of circuit diagram displayed)
• Trips few mins after switch on, increasing in speed until popping approx twice per sec. (picture attached)
• Shuts down. after a while.
• Black dots in the bright-white spots.
• Spot lights after switching off. (extract of circuit diagram attached)
• Vertical shaking. No synchronisation.
• Does not tune optimally. (+ extract of circuit diagram)
• No regulation. (extract of circuit diagram attached)
• No audio. Picture OK . (part of circuit diagram displayed)
• No picture.
• Teletext faults. Page 811 appears spontaneously. (extract of circuit diagram attached)
• In TXT, takes about 60 secs to build up page. Page never quite fills up completely with data, thus looking confusing.
• Interference lines when cold but not when warm.
• Short circuit in the power supply.
• No VHF1 and VHF3 function.
• Squealing from PSU.
• Random failure of the BUT11AF chopper transistor. (part of circuit diagram displayed)
• No RC functions. (+ extract of circuit diagram)
• No colour. (extract of circuit diagram attached)
• Vertical striations and shading on left hand side of picture accompanied by smearing. Intermittent loss of line lock.
• No picture. TXT OK .
• No horizontal synchronisation. in TXT. (part of circuit diagram displayed) (PHILETTA2425VT BAUR repair tip)
• Blank raster. No sound. No OSD. RC LED does not flash when a command is transmitted. (extract of circuit diagram attached)
• No synchronisation. (part of circuit diagram displayed) (PHILETTA2425VT BAUR repair tip)
• Blocked control. Error F7. LED flashing.
• To loop the video through not using circuitry on satellite RX.
• Reduced vertical size. Vertical foldover at top. (+ extract of circuit diagram)
• Zig-Zags edges on picture.
• Cycles on/off (intermittently).
• Blank raster. TXT OK . (picture attached)
• Fine, dark horizontal lines when warm.
• 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)
• Teletext faults. Set very intermittently shows error F7. (+ extract of circuit diagram) (service info for BAUR -PHILETTA2425VT)
• Only chroma lines in VCR.
• No start-up. Green LED flashes . (service info for BAUR -PHILETTA2425VT)
• Missing 95V.
• Disable hotel mode.
• No audio (intermittently). (picture attached)
• Protection IC7380 BB panel.
• No functions. (+ extract of circuit diagram)
• "F7" on OSD. No sound. LED flashing. OK after 20 mins. (with circuit diagram extract)
• Raster lines at the top of the picture, approx. 5 cm wide.
• 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.
• Page 811 appears by itself and is blocked.
• No picture. at start-up.
• Intermittently returns to channel 1, accompanied by a sound of arcing around tube base.
• 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.
• Certain channels drop out in UHF range.
• Appliance runs perfectly, switches to standby then pumps the PSU.
• After operating for approx 1.5 hours the appliance switches to search mode by itself. (BAUR - PHILETTA2425VT information)
• Line transformer crackles. (PHILETTA2425VT tip from BAUR)
• Intermittent standby; loss of signals, colour and contrast. (picture attached)
• PSU blows immediately at every switch on.
• Intermittent audio. (+ extract of circuit diagram) (PHILETTA2425VT tips)
• Only part picture can be seen, sound OK. (extract of circuit diagram attached)
• Poor audio. (with circuit diagram extract)
• No E/W, oscillation wide in narrow field on right side.
• If appliance is switched to standby when cold, it starts pumping. Other functions OK. (PHILETTA2425VT tips)
• Line pairing at top half of picture. (picture attached)
• Lines in light areas and letters. Improves when contrast reduced. (+ extract of circuit diagram)
• Horizontally torn picture.
• No tuning.
• Thin horizontal black lines in upper picture area. Error is shock sensitive in the beginning, then becomes permanent.
• 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.
• Only noise, otherwise no functions or display.
• PSU pulsates.
• Blurry picture. Audio OK . (PHILETTA2425VT BAUR repair tip)
• Fault codes F4 or F7 with no signals and orange LED.
• Line output transformer information.
• How to convert from G90 + SAT RX to standard G90.
• Error codes.
• The appliance will not tune stations higher than 55, the tuning varies. (with circuit diagram extract)
• Standby LED continuously flashing.
• PSU failure.
• After approx 30 mins faulty OSD and no function. No start-up furthermore.
• Crackling/bubbling sound from speaker when switched to standby after a short time. (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.
• Poor line synchronisation. (extract of circuit diagram attached)
• Switches spontaneously to program 1. (+ extract of circuit diagram)
• Tripping. (part of circuit diagram displayed)
• Flyback lines. at top.
• Data lead to microprocessor on main board from satellite RX.
• The power supply is noisy in standby. (+ extract of circuit diagram) (PHILETTA2425VT tips)
• Lines in picture. (extract of circuit diagram attached)
• Picture darkens slightly with remote control commands having no effect after about 2 hours. Display shows F4 or F7. (part of circuit diagram displayed)
• Light and dark vertical lines on left of picture. TXT does not function. OK when warm. (extract of circuit diagram attached) (BAUR - PHILETTA2425VT information)
• Reduced horizontal size.
• Distorted picture. when cold. (PHILETTA2425VT tips)
• Trips with power LED flashing and speaker popping in unison. (with circuit diagram extract)
• No or poor synchronisation.
• No colour (at start-up). (with circuit diagram extract)
• +95V is incorrect. (picture attached)
• Picture becomes narrow, lighter and disappears.
• Hiccups and returns to channel 1. Unable to reset. (with circuit diagram extract) (PHILETTA2425VT BAUR repair tip)
• Pal/Secam chroma identification problem. (PHILETTA2425VT tip from BAUR)
• Picture and sound are missing, LED flashes at switch on, ok in standby.
• Breakdown of T7625. (+ extract of circuit diagram)
• "F7" displayed.
• The R3661 resistor is in open circuit. (extract of circuit diagram attached)
• No line oscillation.
• Fluttering noise.
• The output transistor of the power supply is defective. BUT11AF, BUT18AF or 2SC3973B. (+ extract of circuit diagram)
• The voltage is too weak. (part of circuit diagram displayed)
• Reduced vertical size. (picture attached)
• No channel storing.
• Power supply defective.
• Set blocks. (with circuit diagram extract)
• No start-up. Squealing from PSU.
• Wide oscillation in the weak field on the right hand side. (part of circuit diagram displayed)
• No sound, F7 error code LED flashes. (part of circuit diagram displayed)
• No colour in French standard.
• No line timebase operation. (part of circuit diagram displayed)
• Memory loss. (extract of circuit diagram attached) (PHILETTA2425VT tip from BAUR)
• Strange signs in picture or text. EXT 1 and EXT 2.
• Intercarrier buzzing is audible.
• Tripping. at start-up.
• No function. Rapid loud popping noise with synchronised standby LED flashing.
• Stops when warm. Display shows F7.
• Dark picture. (with circuit diagram extract)
• 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)
• Does not tune properly and will not stop on stations. (extract of circuit diagram attached)
• Defective switching transistor in the SOPS supply. (+ extract of circuit diagram)
• CDI picture comes through on TXT with G90AE chassis.
• Horizontal jitter. in the centre.
• Humming, ticking. (extract of circuit diagram attached)
• Shutsdown with motorboating noise after 10 minutes.
• Does not go to standby via RC; LED on set changes from green to orange (should be red).
• Jumps to channel 1 or switches off itself. (+ extract of circuit diagram)
• Excessive vertical and horizontal size. (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. (part of circuit diagram displayed)
• U743 tuner replacement.
• Shuts down. (extract of circuit diagram attached)
• Searches for channels continuously. (extract of circuit diagram attached)
• No functions. LED blinks . (extract of circuit diagram attached)
• Occasional picture foldover at the top on certain programas when changing picture or channel.
• Reset after a no. of hours, switches back to programme 1.
• Erratic functions on satellite RX.
• 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.
• Tripping with clicking via speaker. (with circuit diagram extract)
• Drifts through the tuning, unprogrammable.
• Doesn't start, at switch-on LED green, then goes back to standby, doesn't respond to RC.
• F7 upon switch on, or intermittent F7.
• Hum (interference noise) from speaker in standby. (picture attached)
• Vertical foldover. Flyback lines.
• Blows fuse.
• Destroys BUT11 and bridge rectifiers on switch on. (with circuit diagram extract)
• Upper part of picture consists of a few lines. (picture attached) (PHILETTA2425VT tips)
• No picture. Blank raster. (part of circuit diagram displayed)
• Dead (intermittently).
• Line tearing at vertical lines from top to bottom in test picture.
• Corrugated verticals. (picture attached)
• The voltage of +95V line alters. (with circuit diagram extract)
• IC7720 does not function correctly. (extract of circuit diagram attached)
• Displaying error code F7 intermittently. (part of circuit diagram displayed)
• No red.
• 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 -PHILETTA2425VT)
• Stuck on channel 8. No front controls or R/C operations. Standby LED flashing. (+ extract of circuit diagram)
• No picture. in the centre.
• Microprocessor/eprom screening plate.
• The mains transistor BUT11 permanently blows at switch on. (extract of circuit diagram attached)
• No synchronisation. when cold. (extract of circuit diagram attached)
• Tuning drifts. Poor picture (when cold). (service info for BAUR -PHILETTA2425VT)