Service manuals, schematics, eproms for electrical technicians

LIFETEC LF3751-AK-20S-

TV - EPROM
Type: (RAR)
Size
246.0byte
Page
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Category
TV
EPROM
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    LIFETEC LF 3751 AK 20 LF3751 20S
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Sony KDL-40EX1 , no sound and no picture, power and backlite is there
Dear forum members, Perhaps anybody can help me with the Sony KDL-40EX1 TV set. I have this set here for repair , but I have no experience with this type of TV. It has a media box and sents the TV information wireless tot the TV. My problem is on the tv: no picture and no sound , the backlite works because I see white light behind the screen. There is also wireless communication because I can turn the TV on and off with the switch on the media box and on the TV itself. I have the service manual but this doesn't really help me any. So the power board seems to be working because I have high voltage for the ccf tubes and 12V for the rest of the TV. It is my idea that perhaps the main board is defective because I have no picture and no sound but I am not sure. Is there anybody here on this forum that can help me with some idea's. Thanks Fred Dijksman
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