Question about Sharp AQUOS LC-37GB5U 37" HDTV LCD TV

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I have a LC-37GB5u, the unit comes on for one second then off then the OPC red LED flashes two times per second. I have replaced the 82uf caps and all four MosFETs. with no change.

Replaced 82uf caps and all four MosFets.

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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.

Posted on Dec 03, 2014

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1 Answer

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