Sony 55 KDL55EX720 3D LCD TV "main board" Questions

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Question about Sony KDL Televison & Video

1 Answer

...main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main ...

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Question about Sony KDL Televison & Video

1 Answer

...main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main ...

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Green power light on then standby light blinks twice over and over replace power board and t con board hi there is a problem in main board mean ip1so please replace the main board

Question about Sony KDL Televison & Video

1 Answer

...main board..12vdc or 16vdc for the audio and 24vdc for the back-light inverter.. If those 3 voltage supplies have encountered voltage drop...The problem could be on power supply board.. If the power ...

Question about Sony KDL Televison & Video

1 Answer

...main board. I am suspicious that the main board may be defective. I unplugged the tcon board - no change. I sure would appreciate any help you can part with. Fault at its main digital board. Short ...

Question about Sony KDL Televison & Video

3 Answers

...main board, or are you saying since the T-Con is connected to BUY one? Thanks so much for all your help Matt, I wouldn't have been able to get this far without a good guy such as yourself. If I can't ...

Question about Sony KDL Televison & Video

1 Answer

board, main board, and TCON board, and reset all board connectors. the problem remains. Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board.

Question about Sony KDL Televison & Video

1 Answer

...Main Board. It only happens with HD inputs. The TV antenna works OK. Fault to its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If ...

...Main Board also, with no change. What next ??? Thanks, Pat IP2 Board Sony A-1660-728-C (1-878-599-11) and a BM3 Main Board Sony A-1727-315-A (1-879-239-11. its main power regulator [SMPS] section ...

Question about Sony KDL Televison & Video

1 Answer

...board or MAIN board. The other problem area is bad capacitors on the Power supply board causing low voltage to the main board. Try opening the unit and with power off disconnect any connectors and ...

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