Pioneer PDP-V401 40-inch plasma will run OK for hours or minutes and then
turn itself off. The warmer it is the shorter the period. Only cycling the
power switch will restore function. (It doesn't power on automatically after
cooling.)

The unit seems very much *not* overly hot when it powers off. I'd say it's
well within operating temps.

I can't watch it always, but the displayed image seems to be OK.

Does anyone have experience with this or similar Pioneer plasmas (or access
to the service manual) that can say what triggers the auto shut-off? Is it PS
voltage fluctuation? Or heat?

Suggestions?

Thanks.
--
DaveC

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