Question about NEC 42VP4 42 in. EDTV-Ready Plasma Television

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TV shutting off by itself

Over night my TV's picture have turn really dark and pixelated in the center of the screen. TV says on this way between 1-5 minutes than turns off by itself. The green power light stays on through this so I have to manually turn off the TV and turn it back on.

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The plasma panels operate on 170VDC and 60VDC, Sound like the 170VDC from the power supply is low or dropping low. You need a tech to look at it, the voltage sources are marked on the board and the adjustment is labeled. Typically a component such as a regulator or capacitor is leaking to cause the voltage to drop.

Al

Posted on Feb 28, 2008

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