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THE SCREEN WON'T POWER UP..NO PICTURE OR SOUND.

PANASONIC CT27612U THE SCREEN WILL FLASH ON AND THEN GO OFF. IS THIS FIX-ABLE AND IS IT WORTH IT TO FIX IT. WHAT DO YOU THINK. NANA C. TCLARKFARMS@SRCACCESS.NET

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From your description it seems that when the high voltage comes up there is a fault detected by the uPC, and the power supply is put in to the protect mode. This can be from many problems such as the flyback transformer failing, or a defective component(s) in the secondary supply from the flyback, or the CRT itself having a failure.

On many of these sets, there is an HV multiplier that is part of the flyback assembly. This HV multiplier is usually where the fault occures more so than the internal windings of the flyback. But, they come as one molded assembly.

Most often, I have seen this fault from the flyback transformer or the CRT.

This has nothing to do with anything you connected to the set. This problem would have occured anyways.

Jerry G.

Posted on Apr 19, 2008

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