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Shahid
Shahid, Technician
Category: Electronics
Satisfied Customers: 11717
Experience:  I have been repairing electronic gear since 1993 as a qualified Sony tech
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No picture but have sound mod number le37a557p2f. tv 6years

Resolved Question:

no picture but have sound mod number le37a557p2f. tv 6years old never had a problem one month ago got tv/broadband package with EE worked fine for one week any ideas
Submitted: 2 years ago.
Category: Electronics
Expert:  Shahid replied 2 years ago.
Hello, I need bit more info about TV to troubleshoot the problem.Does TV menu screen come up when push menu button on TV or its remote?Does TV screen glow/ shows any light when power up TV?What video devices/ sources (such as cable box DVD player etc) are connected to TV and does the problem occur on all video input sources?These info will help to troubleshoot the problem.Thanks.
Customer: replied 2 years ago.

i only get sound. nothing else i do have a dvd player pluged in one port and the EE system in the second port

Expert:  Shahid replied 2 years ago.
OK, so nothing appears on screen, no backlight and graphics etc, is this correct?If so, please shine a good flash light on TV screen bit closely with some degree to observe any faint image inside screen, is there any faint image visible inside screen?
Customer: replied 2 years ago.

ok tried that can not see anything in your opinion could the EE system have caused this problem

Expert:  Shahid replied 2 years ago.
No, TV itself has got internal failure due to age factor and apperantely not caused by EE system, most probably the backlight inverter section on power supply board has failed thus causing black screen, LCD panel needs backlight to present its image and when backlight system fails for some reason the screen will turn to black/dark and nothing is visible.Please check following link to view sample/ used power supply board image and price info and TV tech will swap the power supply board in TV..http://www.ebay.co.uk/itm/POWER-SUPPLY-BOARD-PSU-BN44-00220A-SAMSUNG-LE37A557P2F-/262011629198?hash=item3d011c2e8eSome times main board of TV also can cause this problem because it controls the backlight function in TV. I trust my input will help you out. Please feel free to respond if you have any additional questions.A positive rating to answer would be greatly appreciated, please click on smiley face/star on this page then click submit/finish button so I can get credit on website for my work. Regards,Shahid.
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