Question about Philips 43P8341 43" Rear Projection Television

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Blank Screen I want to know how to re-place a part if my TV has a blank screen and no sound.

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Re: Blank Screen

There is not just one part that will fix a dead set!! theres about500 or so I would say and its best that if you tryed all the obvious things such as wall receptical, Curcuit breaker for the room, make sure its pluged in or see if the master switch is on if there is one. I would highly recommend that if you have no electronics background then Please have this looked at by a well qualifyed technician!!!! if you have then I would start with the power supply. Check the main AC fuse and see if its good .. If its good then start to measure B+ at the main input caapacitors. If voltage there(like 265 to 200 vdc then start with the regulator cucuit. if you get through the power supply and all the voltage is correct on the schematic then go into the horizontal sweep and start trouble shooting there. Its really hard to troubleshoot a set in the blind but you can if you wish get a schematic and post it here and we can assist you and give you advice on where to go from there. Good Luck

Posted on May 15, 2006

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2 problems- 1-gasket is hanging loose on top of protection screen. 2- TV goes blank and I lose the picture and sound only on some channels at 9:00pm every night

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