Question about Philips 50PP9202 50" Rear Projection Television
Was watching tv when screen just went blank. sound works fine, but screen is blank. no menu no channel number , nothing.no plugs are loose tried turning it off and unplugging it.still nothing.what could the problem be? and could i see a schematic so i can try to fix it. thank you.
I have the 51 inch of this model and I have found that usually it give you some indication before going completely out. Like color problems, sound, or just video disappearing. Most of the time it will be the convergence amps going bad, but you should have seen some color distortion. If not then it could be the vertical output. TDA8177 needs replacing and check caps around and diode, If not this then look for open fuse in HV line to crt's. Also power supply fuse like 1900, 2004, 1300, etc.
Posted on Sep 06, 2007
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