303415 VIDEOLINE2341VT / HANSEATIC [TV]

• 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)
• No sound at switch on. Picture is present. "F7" displayed on screen. No RC. Everything OK when warm.
• On PB strange symbols or text appears on the screen. (303415 HANSEATIC repair tip)
• "F7" on OSD. No audio and stuck on channel. OK after 20 mins.
• Poor tuning. Search sometimes does not stop. Picture shifted and trembles. (+ extract of circuit diagram)
• No functions. (+ extract of circuit diagram) (303415 HANSEATIC repair tip)
• No or poor synchronisation.
• Chroma fault in SECAM. (with circuit diagram extract)
• Set blocks. (picture attached)
• Black lines in picture, then no picture. (service info for HANSEATIC -303415)
• Defective switching transistor in the SOPS supply. (part of circuit diagram displayed)
• Wide oscillation in the weak field on the right hand side. (part of circuit diagram displayed)
• Standby LED continuously flashing.
• Blows fuse.
• No picture. No sound. No RC function. LED lights up green. (303415 tip from HANSEATIC)
• Excessive vertical and horizontal size. (+ extract of circuit diagram)
• Vertical foldover. Flyback lines.
• Vertical streaks at the left of the picture which disappear after a while. (picture attached)
• Intermittently trips. Picture pulses to low width. Reduced height. Raster flashes.
• Fault codes F4 or F7 with no signals and orange LED.
• No start-up. Squealing from PSU.
• Noise from PSU.
• No tuning. Snow in picture. (part of circuit diagram displayed) (303415 HANSEATIC repair tip)
• Intermittently sound mutes and OSG are jumbled.
• Picture becomes narrow, lighter and disappears.
• Noise at the edges of the picture.
• No picture. TXT OK .
• Jumps to channel 1 or switches off itself. (with circuit diagram extract)
• No colour. (with circuit diagram extract)
• Lines in picture. on the left.
• Picture becomes dark from time to time, cannot be adjusted. (with circuit diagram extract)
• U743 tuner replacement.
• No colour in French standard.
• Thin horizontal black lines in upper picture area. Error is shock sensitive in the beginning, then becomes permanent. (303415 HANSEATIC repair tip)
• Horizontal picture pulling especially with vertical lines. Fault disappears when warm. (with circuit diagram extract)
• Data lead to microprocessor on main board from satellite RX.
• No picture. at start-up.
• Does not tune properly and will not stop on stations. (extract of circuit diagram attached)
• Low picture contrast. Cannot be controlled via user control.
• Intermittent audio. (picture attached) (HANSEATIC - 303415 information)
• Vertical collapse. (+ extract of circuit diagram)
• Blank raster. TXT OK . (picture attached)
• Stuck on channel 8. No front controls or R/C operations. Standby LED flashing. (+ extract of circuit diagram)
• Picture flares. (picture attached)
• The appliance will not tune stations higher than 55, the tuning varies. (extract of circuit diagram attached)
• Does not go to standby via RC; LED on set changes from green to orange (should be red).
• Picture jitters.
• Shape of picture is wrong. The fault is more evident in text mode. Also thin black horizontal lines.
• Raster lines at the top of the picture, approx. 5 cm wide.
• No adjustment to low volume. (extract of circuit diagram attached)
• 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.
• Sound crackles and LED flashes green in the same rhythm.
• The mains transistor BUT11 permanently blows at switch on. (+ extract of circuit diagram)
• Intermittently returns to channel 1, accompanied by a sound of arcing around tube base. (303415 tips)
• Upper part of picture consists of a few lines. (picture attached)
• Switches off automatically for a short time and restarts with program1. Picture drops out or switches off.
• Popping noise from speakers, only at switch on.
• Dead (intermittently).
• F4 Error with arrows on sets with satellite RX.
• Only noise, otherwise no functions or display.
• Hum in audio. Horizontal lines.
• Snowy raster. (picture attached) (303415 HANSEATIC repair tip)
• Intermittent standby; loss of signals, colour and contrast. (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.
• Picture is bowing on edges for couple of minutes.
• 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. (with circuit diagram extract)
• Page 811 appears by itself and is blocked.
• Incorrect OSD characters.
• Dead. Power LED lit . (part of circuit diagram displayed)
• Hiccups and returns to channel 1. Unable to reset. (picture attached)
• Trips few mins after switch on, increasing in speed until popping approx twice per sec. (picture attached)
• No tuning.
• TS 7625 breaks frequently. (picture attached)
• F7 upon switch on, or intermittent F7.
• Purity fault.
• Reduced vertical size. Vertical foldover at top. (with circuit diagram extract) (303415 tip from HANSEATIC)
• 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.
• Error codes. (+ extract of circuit diagram)
• Display has corrugated verticals. (extract of circuit diagram attached)
• No vertical deflection. (+ extract of circuit diagram)
• Reset after a no. of hours, switches back to programme 1.
• Drifts through the tuning, unprogrammable.
• No teletext. No F7 error. Can still change channels in text mode.
• Searches for channels continuously. (picture attached)
• No tuning. only on certain channels.
• Dark picture. (+ extract of circuit diagram)
• Does not respond to commands in first 5 mins.
• The remote control and the operation unit shut off after approx.10 min.Later strange symbols appear on the screen. (with circuit diagram extract)
• No line timebase operation. (picture attached)
• Does not stop when sweep tuning. Drifts if manually tuned. (+ extract of circuit diagram)
• Intermittently strange signs in picture. No function of RC. (extract of circuit diagram attached)
• No function. Rapid loud popping noise with synchronised standby LED flashing.
• PSU failure.
• Faulty OSD.
• No focus.
• The voltage of +95V line alters. (with circuit diagram extract) (303415 tip from HANSEATIC)
• White screen. (with circuit diagram extract)
• F0, UHF and P1 indication after approx 30 mins then no function.
• Stuck in standby.
• Strange signs in picture or text. EXT 1 and EXT 2.
• Interference lines when cold but not when warm. (303415 HANSEATIC repair tip)
• Picture and sound are missing, LED flashes at switch on, ok in standby.
• Disable hotel mode.
• Tuning drifts. Poor picture (when cold).
• No colour (at start-up). (part of circuit diagram displayed)
• No channel storing.
• A production change:
• Manufacturing error.
• Blocked control. Error F7. LED flashing.
• No audio. No picture. (part of circuit diagram displayed)
• Does not switch to standby.
• After operating for approx 1.5 hours the appliance switches to search mode by itself.
• No synchronisation (intermittently).
• PSU shutsdown with popping sound. LEDs flashing.
• No start-up. Green LED flashes .
• F7 error clears after a few minutes. (extract of circuit diagram attached)
• LED blinks in STANDBY mode. (part of circuit diagram displayed)
• Power supply defective.
• Reduced horizontal size.
• Pulsing, rolling with jagged white line at top of screen.
• Only programme 6 at switch on. F7 on display. No control. No function of keys or RC. (extract of circuit diagram attached) (303415 tip from HANSEATIC)
• Dead. Standby LED flashes . (HANSEATIC - 303415 information)
• Codes F4 or F7 with no signals and LED orange.
• Certain channels drop out in UHF range.
• Only part picture can be seen, sound OK. (picture attached)
• Fine, dark horizontal lines when warm.
• Vertical shaking. No synchronisation.
• No RC functions. (with circuit diagram extract)
• Incorrect characters on the screen.
• Low HV. intermittently. (with circuit diagram extract)
• Line tearing at vertical lines from top to bottom in test picture.
• Outlines are distorted in the top part of the picture and intermittently no colour.
• After working normally for approx 2 hours, the TV blocks. "EX" appears on the screen. The remote control receiver does not function.
• No synchronisation. when cold. (with circuit diagram extract)
• Error codes.
• Shutsdown with motorboating noise after 10 minutes.
• Appliance stuck on programme "1". OSD shows F7. (303415 HANSEATIC repair tip)
• Lines in light areas and letters. Improves when contrast reduced. (with circuit diagram extract)
• The raster pulls. (extract of circuit diagram attached)
• Loss of sound. STEREO/MONO indication lit.
• Useful voltages to check on satellite RX board
• Breakdown of T7625. (extract of circuit diagram attached)
• Faulty TXT. (service info for HANSEATIC -303415)
• 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. Audio and picture OK . (picture attached)
• Poor audio. (picture attached) (service info for HANSEATIC -303415)
• Intermittently F4 appears. Dark picture. (service info for HANSEATIC -303415)
• No blue. (picture attached) (service info for HANSEATIC -303415)
• No OSD. (picture attached)
• Insufficient contrast. When readjusting, brightness is also adjusted. teletext is O.K. (picture attached)
• No picture. in the centre.
• Reduced vertical size. (picture attached)
• Tripping. (with circuit diagram extract)
• Line transformer crackles.
• No picture content for the first ten minutes. White picture with flybacks lines.
• Cycles on/off.
• Character error.
• 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.
• 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. (303415 HANSEATIC repair tip)
• No horizontal deflection. Standby LED flashes .
• +95V is incorrect. (part of circuit diagram displayed)
• Not operational. F7 in picture.
• The output transistor of the power supply is defective. BUT11AF, BUT18AF or 2SC3973B. (+ extract of circuit diagram)
• Only chroma lines in VCR. (303415 tips)
• Spot lights after switching off. (+ extract of circuit diagram)
• Squealing from PSU.
• BUT11AF is defective and is destroyed at each start up. (+ extract of circuit diagram)
• No tuning search. No channels change. No numbers on display.
• Tripping. at start-up.
• Teletext faults. Set very intermittently shows error F7. (extract of circuit diagram attached)
• "F7" on OSD. No sound. LED flashing. OK after 20 mins. (extract of circuit diagram attached)
• No picture. Blank raster. (extract of circuit diagram attached)
• Erratic functions on satellite RX.
• The BUT11AF is destroyed after some time. (picture attached) (service info for HANSEATIC -303415)
• Cogging down sides of picture. (+ extract of circuit diagram)
• No regulation. (+ extract of circuit diagram)
• No functions. LED blinks . (extract of circuit diagram attached)
• Addition of fuse 1670.
• Difficult front control operation.
• The R3661 resistor is in open circuit. (part of circuit diagram displayed)
• Line pairing at top half of picture. (with circuit diagram extract)
• No VHF1 and VHF3 function.
• Line output transformer information.
• Intermittently displaying error code F7.
• Missing 95V.
• No or poor operation of RC and front controls. No picture when cold. (+ extract of circuit diagram)
• Intermittent fuse blowing, blows BUT11AF. (extract of circuit diagram attached)
• No sound and "F7" on OSD, OK after 20 mins. (HANSEATIC - 303415 information)
• No picture. OSD OK . (+ extract of circuit diagram)
• Blue picture. (with circuit diagram extract)
• Low output from power supply.
• Fluttering noise.
• "F7" displayed on OSD, LED flashes and user controls inoperative.
• No sound, F7 error code LED flashes. (part of circuit diagram displayed)
• Tuning drift or no signals though the green bar moves. (with circuit diagram extract)
• Only one horizontal line at bottom of screen.
• Cycles on/off (intermittently).
• Dead. LED blinks .
• Ragged picture. Dim display. (+ extract of circuit diagram)
• Switches off by itself.
• Destroys BUT11 and bridge rectifiers on switch on. (part of circuit diagram displayed)
• The voltage is too weak. (part of circuit diagram displayed)
• Bright raster. Poor vertical linearity. (part of circuit diagram displayed)
• Picture darkens slightly with remote control commands having no effect after about 2 hours. Display shows F4 or F7. (picture attached) (HANSEATIC - 303415 information)
• Low contrast. (picture attached)
• After approx 30 mins faulty OSD and no function. No start-up furthermore.
• Picture is missing, LED displays F4. (extract of circuit diagram attached)
• Supply voltage cuts out, appliance whistles.
• When warm there is a raster fault on the left.
• In TXT, takes about 60 secs to build up page. Page never quite fills up completely with data, thus looking confusing.
• Shuts down. after a while.
• 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.
• Video signal and sound are missing, raster is blank. (picture attached)
• Humming, ticking. (extract of circuit diagram attached) (303415 tip from HANSEATIC)
• Tripping (intermittently).
• Mono/stereo display error.
• Blocks and wrong OSD indication.
• "F7" displayed.
• Light and dark vertical lines on left of picture. TXT does not function. OK when warm. (picture attached)
• Corrugated verticals. (part of circuit diagram displayed)
• Vertical striations and shading on left hand side of picture accompanied by smearing. Intermittent loss of line lock.
• Horizontal jitter. in the centre.
• Does not function well. Wrong characters on screen. (picture attached)
• Trips with power LED flashing and speaker popping in unison. (extract of circuit diagram attached)
• PSU pulsates.
• No tuning. No display. No RC functions. (picture attached)
• Does not tune optimally. (with circuit diagram extract)
• For 5 minutes zigzag edges in the picture. (with circuit diagram extract)
• Flashover on picture tube print. (extract of circuit diagram attached) (303415 HANSEATIC repair tip)
• No E/W, oscillation wide in narrow field on right side.
• Intercarrier-hum. (part of circuit diagram displayed)
• Line lock is incorrect.
• Blank raster. No sound. No OSD. RC LED does not flash when a command is transmitted. (+ extract of circuit diagram)
• Horizontal collapse (intermittently).
• No picture. AV OK . (+ extract of circuit diagram)
• Line output transistor 7545 (BUT11AF) fails after a while.
• No switch to AV. EXT1 or EXT2.
• Rattle in sound. (+ extract of circuit diagram) (service info for HANSEATIC -303415)
• If appliance is switched to standby when cold, it starts pumping. Other functions OK.
• Tripping with clicking via speaker. (picture attached)
• Memory loss. (extract of circuit diagram attached)
• Blurry picture. Audio OK .
• Appliance works perfectly for a few days and then all the components burn out on the primary side of the switching circuit. (picture attached)
• Light spot after switch off. (with circuit diagram extract)
• Occasional picture foldover at the top on certain programas when changing picture or channel.
• Black horizontal lines in picture. (303415 tip from HANSEATIC)
• No functions. after a few minutes.
• Protection IC7380 BB panel.
• Distorted picture. OK via SCART .
• Poor line synchronisation. (part of circuit diagram displayed)
• Stops when warm. Display shows F7.
• After tuning the channels cannot be stored. The appliance memorises one channel by itself. (extract of circuit diagram attached)
• Teletext faults. Characters wrong. (+ extract of circuit diagram) (service info for HANSEATIC -303415)
• No reaction from front controls and RC. Also no switchover possible to HF.
• How to convert from G90 + SAT RX to standard G90.
• IC7720 does not function correctly. (part of circuit diagram displayed)
• No picture. Audio OK . (with circuit diagram extract)
• Dead. (with circuit diagram extract)
• The "LE" voltage is less than 100V. (part of circuit diagram displayed)
• Tuning drifts. (picture attached)
• Poor functioning of RC receiver at switch on from standby. RC must be close to IR receiver.
• Light picture content with coloured background.
• Microprocessor/eprom screening plate.
• Tripping (after start-up). (part of circuit diagram displayed) (303415 HANSEATIC repair tip)
• The power supply gurgles if the mains voltage is weak. (extract of circuit diagram attached)
• Trips, plop in speakers.
• Horizontally torn picture.
• No picture.
• Picture only 3cms high.
• Zig-Zags edges on picture.
• No red in the picture with an RGB input.
• No text, front controls perform wrong task. (with circuit diagram extract)
• Tuned stations change constantly in the upper tuning areas VHF (B III) and UHF.
• The power supply is noisy in standby. (with circuit diagram extract)
• No red.
• No signal to the collector BUT11AF. (picture attached) (303415 tip from HANSEATIC)
• Sound is distorted and disappears as the volume is turned up. (extract of circuit diagram attached)
• Black dots in the bright-white spots.
• Switches spontaneously to program 1. (+ extract of circuit diagram)
• Sometimes remains in standby when switched on with the help of mains switch.
• Shuts down (after a few minutes). PSU pulsates.
• Hum (interference noise) from speaker in standby. (extract of circuit diagram attached)
• When appliance is switched on it jumps to channel 3 then when the appliance is warm it shuts down. (+ extract of circuit diagram)
• Lines in picture. (picture attached)
• Short circuit in the power supply.
• Snowy picture. No sound. LED flashes alternately green and yellow. No control via user control and RC. After approx. 5 mins operation, functions ok. (HANSEATIC - 303415 information)
• Erratic clock.
• F5 Error on sets with satellite RX.
• CDI picture comes through on TXT with G90AE chassis.
• No TXT. No picture. after a while.
• Tuning drifts (intermittently). (picture attached)
• No audio (intermittently). (part of circuit diagram displayed)
• Crackling/bubbling sound from speaker when switched to standby after a short time. (picture attached)
• No audio. Picture OK . (extract of circuit diagram attached)
• Displaying error code F7 intermittently. (+ extract of circuit diagram)
• Intercarrier buzzing is audible.
• No synchronisation. (part of circuit diagram displayed)
• To loop the video through not using circuitry on satellite RX. (303415 HANSEATIC repair tip)
• Flyback lines. at top.
• EHT low and line output transformer makes a fizzing noise. (extract of circuit diagram attached)
• Over-voltage circuit active. (with circuit diagram extract)
• Random failure of the BUT11AF chopper transistor. (+ extract of circuit diagram)
• Pal/Secam chroma identification problem.
• No horizontal synchronisation. in TXT. (with circuit diagram extract)
• Sizzling/picture distortion.
• No sound. No channels switching. Error code F7 appears on screen (TXT board).
• PSU blows immediately at every switch on.
• Switches back to program 1.
• Shuts down. (part of circuit diagram displayed)
• No line oscillation.
• One colour missing. (part of circuit diagram displayed)
• Appliance runs perfectly, switches to standby then pumps the PSU.
• Chopper transistor (BUT11AF) S/C. (part of circuit diagram displayed)
• Limited contrast control range. (extract of circuit diagram attached)
• Teletext faults. Page 811 appears spontaneously. (part of circuit diagram displayed) (HANSEATIC - 303415 information)
• D5770 (ZTK33B) fails repeatedly. No tuning or tuning drifts. (extract of circuit diagram attached)
• Distorted picture. when cold. (303415 tip from HANSEATIC)