Question about HP PL4260N 42 in. Plasma HDTV
Does it have the red light at all?
If yes does it blink when you try to turn it on?
If yes then how many times?
Did you already open the TV or do you plan to open it? If not then hardly anyone here will be able to help you.
If yes then do you have voltmeter?
If not you need one, if yes then can you measure 5V standby on the power board?
Phew, that's for a very very basic starter...
Posted on Feb 04, 2010
Thanks for using FixYa. A plasma TV is a very hard working device. It is working harder than any TV that has been built before, and as a result it produces a lot of heat. 75% of technical problems in plasma TV's are caused by overheating problems. X, Y sustain, buffer boards controls picture, fires the gas, and many others functions. When either of these boards goes bad common problems include negative image, no image, vertical or horizontal stripes on picture, turns on and than turns off, and many more. You’ll need to open the back off the TV and check for any swollen/bulged/leaky capacitors on these boards and replace whichever has gone bad. All this is only recommended if you have electrical expertise & know how to solder/re-solder components as these units contain high voltages even when switched off.
Please do accept the solution if the issue is resolved or else revert for further assistance.
Posted on Feb 04, 2010
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Posted on Jan 02, 2017
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