Question about Philips 50PF9631D 50 in. HD-Ready Plasma Television
You may have a power supply issue. What you need to do is to get the schematic for you TV. You can do this by calling the manufacture and asking for the service manual and the engineering diagrams for the TV. They will charge you but that is part of the cost of fixing these sets. After you have the schematic get a multimeter (you will need it to take voltage measurements
Now thru experence of 2 simular power supply units in the rear of the screen, I have found that in 2 cases that filter caps of 16 volt rating have swelled uo on top end and checked open or low capacitence and/or shorted. They appear to be under rated, voltage wise for the power supply.
On repacing the 16 volt rated caps with 35 volt rated caps fixed the probel..
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RNJ VINOD KUMAR .
Posted on Sep 13, 2009
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Posted on Jan 02, 2017
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