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774713 / OTTOVERSAND [TV]
The EURAS repair tip database for professional technicians and service engineers
supplies the following faults for 774713 / OTTOVERSAND.
List of fault symptoms:
- Horizontal deflection plug burnt.
- Flyback lines. at top.
- No sound. Loudspeaker relays are "mute".
- Intermittent rolling picture. Sometimes also a horizontal stripe or no picture at all.
- No picture. Audio OK .
- Does not switch to stereo. (OTTOVERSAND - 774713 information)
- No vertical synchronisation.
- Switches to protection mode (intermittently).
- Black-white setting adjustment.
- Adjusting the option byte (OP).
- PSU does not work properly.
- Stripes in picture and distorted picture after 5 mins.
- No function of PIP module via scart.
- Standby flashes, no function.
- Picture is bright and flickers, sound is present.
- Bright green picture with flyback lines.
- R19 burns.
- No functions.
- Picture is completely white via AV.
- No audio.
- PSU does not function.
- E/W cannot be adjusted.
- Reduced horizontal size.
- BUV 70 in PSU fails again immediately.
- Horizontal end stage transistor T2 is destroyed after operating time
- Dark picture. Audio OK .
- Picture is blurred and has a very high contrast and contrast cannot be altered.
- E/W correction does not work.
- Contrast is too weak. Contrast cannot be adjusted. (774713 OTTOVERSAND repair tip)
- Bright picture. Flyback lines. No audio.
- Black picture.
- No U2.
- Line tearing and brightness fluctuation.
- No picture. No sound. PSU tries to start, vibrating sound.
- Switches on immediately and cannote be switched off with RC. (774713 tip from OTTOVERSAND)
- At switch-on from cold, intermittently no sound and no vertical/horizontal sync. When it switches on correctly, picture comes on with horizontal bars.
- Intermodulation (pattern in coloured surfaces) with large aerial level. Error signs in TXT.
- No start-up. Standby LED lights green.
- No storage.
- No picture (intermittently). Audio OK .
- R17 blown in vertical deflection.
- BU508A fails at start-up.
- E/W fault.
- Vertical deflection defective. Different picture errors; sound OK.
- Service adjustment for East/West horizontal amplitude shows no response.
- Stuck in standby.
- Weak colours. Stripes and lila faces.
- No green.
- Sound is low and fades away. (774713 tip from OTTOVERSAND)
- Red picture. Flyback lines.
- Picture folds down on the top. Flyback lines.
- Picture shifts approx 3-5 mm downwards, then becomes OK again.
- No sound. Picture is black and perhaps white stripe at the top edge of the picture.
- No sound or sound distortion.
- Line output stage is defective.
- Horizontal centre adjustment.
- Dark picture. No vertical deflection.
- Horizontal sync changes.
- Transistor T101 and IC 101 fail in power supply.
- No picture. No sound. Display is OK. Videotext won't synchronize.
- Appliance does not switch on. U2 and U3 are missing. If appliance is started with the IR transmitter chirping can be heard in the PSU.
- Black picture at the bottom, white line in the middle, distorted picture above that
- Scanning won't stop. No sound.
- Line foldover.
- Dark picture.
- The top 10 lines have been drawn out and partly folded over. No temperature fault.
- Black bars in picture. Flyback lines . No colours. (service info for OTTOVERSAND -774713)
- Horizontal stripe. intermittently.
- Perpendicular stripes on the left of the picture.
- No colours after warm up.
- Picture grey, sound OK. No RC functions.
- Small vertical lines in the picture.
- Picture runs through vertically in tuner operation. (774713 tip from OTTOVERSAND)
- No picture at start up, sound is fine. After 1 minute there is a picture.
- No function. No U1 (148).
- Picture blooming in AV mode. (774713 tips)
- Dark screen. Audio OK .
- Excessive horizontal size.
- Immediate failure of BUV70 at switch on.
- On the left two vertical stripes. Sync alters.
- RC has no range of transmission.
- No sound via loudspeaker. Sound OK via head phone.
- Bright stripe in picture centre.
- Chirping.
- T2 fails again immediately. (774713 tips)
- Picture is overcontrolled in AV mode.
- Sound is distorted. Whistling sound is audible.
- Channel mistunes after memorization.
- Sound is very low in mono, ok in stereo.
- No picture, not even in video. Sound ok. Predominantly green screen, menu display and adjustments.
- Snowy picture after switch on.
- No AV operation. Bright picture
- No contrast. White picture.
- Bottom half of the picture is missing and horizontal, unsynchronised lines. Improves with time but insufficient vertical amplitude.
- Does not memorise.
- Blank raster. No RC functions. No OSD.
- 2-3cm wide horizontal stripe in image.
- Two vertical stripes on the left. Synchronization alters.
- Black screen when Canal Plus decoder is plugged onto scart plug. Scart OK when plugged to VCR.
- Display is black. At times colours are missing.
- Vertical deflection is defective. Upper picture aprt is oversized and picture is contracted at the bottom.
- Picture amplitude is defective.
- Picture is approx. 1cm high.
- No brightness.
- 2cm wide black stripes in upper picture part.
- Trips.
- Occasionally uP blocks.
- No colours (intermittently).
- Adjusting the horizontal centering in TXT.
- No picture in mono. Ok in stereo.
- No green.
- No colour.
- Adjusting the Y delay.
- No or incorrect colours.
- No channel storing.
- Picture compressed at bottom.
- Frame fault.
- No red. Picture tube cathode has 200V instead of approx 140V.
- Picture is distorted at D box. (OTTOVERSAND - 774713 information)
- No blue.
- With a new digital board picture is white and has no tone. After switching off picture is white again.
- In Service Mode it is not possible to adjust G2.
- Comes on for a short time.
- No blue.
- Transistor BD 683 line driver has no operating voltage at collector.
- White screen.
- No picture. Sound present. Picture is blue/lilac with flyback lines.
- Only a vertical line.
- Adjusting the colour sub carrier.
- Only snow in the picture. No tuning possible.
- No functions. Starts up OK.
- No channel storing. (OTTOVERSAND - 774713 information)
- White picture and flyback lines.
- Power supply transistor fails every 3 hours. (774713 tips)
- Snow in picture.
- Vertical sync is unstable. Dark picture.
- No horizontal synchronisation.
- Picture rolls at times.
- No picture. (774713 OTTOVERSAND repair tip)
- No picture and videotext sync. (774713 tips)
- Picture is too dark. TXT is hardly recognizable.
- No audio via AV.
- Oscillations at the top of the picture which disappear after a few mins.
- Picture is displaced to the bottom of the screen. Fault recedes when appliance warms up.
- Picture is grey, sound OK.
- Stops a brief period after switch on.
- Insufficient picture height or horizontal line intermittently. (service info for OTTOVERSAND -774713)
- Control unit turns off at times.
- Vertical collapse.
- RC does not function at combined SAT appliances. If SAT tuner is disconnected everything is OK.
- Flicker, moire and rolling horizontal drop out bars of other stations.
- No audio. via tuner (via SCART). (OTTOVERSAND - 774713 information)
- Shuts down (after a few minutes).
- Picture amplitude is too low at times.
- Vertical stripes on top. Picture appears intermittently.
- No start-up from standby. Standby LED lit .
- Only half picture.
- Picture has shifted downward.
- Only the Stand-by LED lights up, otherwise there is no function.
- Switches to protection mode (after start-up).
- Appliance runs for some time and then switches off. Operating display LED lights up. Moreover screen is white. Audio is present. (service info for OTTOVERSAND -774713)
- Green picture. Flyback lines.
- No horizontal deflection (intermittently). (774713 tips)
- R17 becomes high resistive in vertical deflection.
- No start-up.
- Interference lines on band I (mainly channel 4). (774713 OTTOVERSAND repair tip)
- Venetian blind effect in picture from top to picture centre.
- In the top part of the picture approx 10 bright flyback lines. Otherwise picture is dark. No sound and PSU begins to tick.
- Vertical foldover at top.
- No response to RC.
- Picture fades. It looks like a tuning problem.
- Picture fades, as if stations would go out of tuning. (OTTOVERSAND - 774713 information)
- Enter service mode.
- E/W fault and slight distortion.
- Digiboard fails immediately.
- Rolling picture, both via tuner and scart. OSD and TXT seem OK. (774713 tip from OTTOVERSAND)
- Picture has shifted approx 10cm downwards and folds down.
- No TV/AV switch over.
- Bright on the left edge of the picture. Screen is lit up unevenly. (774713 tips)
- Venetian blind effect on the left.
- Contrast is too strong. Cannot be adjusted.
- In indefinite time intervals drop-out from an individual programmes (variable). Not knock or heat sensitive.
- After Channel 44 no more programmes can be received.
- When volume is attempted to be increased, OSD menu displays headphone volume at first. Press red key to control loudspeaker volume. OSD menu shows both bars: headphone volume up and loudspeaker volume down, when volume key is pressed. Each time after start-up, headphone volume bar is active first.
- Background stripes run through from top towards bottom.
- Horizontal lines in picture with buzz from line output transformer. (OTTOVERSAND - 774713 information)
- Only vertical stripes are visible. (774713 OTTOVERSAND repair tip)
- One colour is missing, all colours present on the connector D on the picture tube board.
- No functions. LED blinks .
- Bright picture. Audio OK .
- Vertical line.
- Flyback lines.
- Bright picture. Flyback lines.
- Flyback lines. at top. Dark picture. at bottom.
- No synchronisation (after a few seconds).
- Adjusting the horizontal centering for the video input.
- Dark picture. No display. No vertical scanning.
- BUZ90 fails.
- Over current protection activated.
- Picture sometimes becomes brighter, sometimes darker or normal again. (service info for OTTOVERSAND -774713)
- Picture is faint, no change when adjusting contrast.
- No sound. Picture is black and perhaps white stripe at the top edge of the picture.
- Picture has folded over at the top.
- Dead.
- No red.
- Green streaking in videotext mode.
- No vertical scanning. R16, R17, D2 O/C. C10 has been replaced.
- Only low chirping noise in the PSU.
- Adjusting the control voltage.
- Picture height and picture width are too low. Picture is adjustable, however differs from the rated values for the picture tube.
- Moire in picture via tuner and AV.
- No sound. Scanning won't stop.
- Mains voltage at the antenna socket.
With help of this list a solution is found often when OTTOVERSAND 774713 fails.
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Additionally to repairtips or service information 774713 is linked to 17 components (IC's and/or transformers) in the Tectra
database, through which you can identify electrical compatibilities (crossreferences) in
appliances.
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Chassis information is available (which chassis is built in into 774713 ).
EURAS system also knows 208 appliances having the same chassis as 774713 and can easily list them.
In the repair discussion pinboard for 774713 there are 8 replies to questions asked about 2 different repair problems. With access to EURAS you can all read them or enter your own questions and get help for 774713 from EURAS technicians or other users.
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If you do not qualify as stated above and you have an appliance that needs
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example through his website) or go to a professional TV/household/Video
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Already registered? open 774713 OTTOVERSAND in EURAS
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Last updated: 05. Nov 2009 13:32:59 MET, doccode ISO9002AS168EKA200805C [cachelite] EURASMOP
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