Question about Philips 55PW9363 55" Rear Projection HDTV-Ready Television
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Posted on Jan 02, 2017
First, repair convergence problem = replace both convergence
IC's ....STK392-110 sub to upgrade STK394-160E....I use
Hitachi part # CZ 01341.......next, look for discolored resistor
near IC's.....replace with exact value......last = activate
Posted on Nov 26, 2007
More than likely the problem is the CRT fluid and not the tube. Do a few google or fixya searches on CRT fluid and to get an idea of what it looks like when it gets cloudy.
Posted on Nov 18, 2008
I had the exact same problem and the fix is easy to do. Unplug the TV first of all and wheel it out so you can easily get to all of the rear screws.
Posted on Mar 25, 2009
The 55pp9352 model number uses 2 of the STK-392-120 convergence chips--if it will not adjust in some direction--both chips and any of the 6.8 ohm resistors around them that are bad need to be replaced.
The reason this happens is the chips are about 2 1/2 inches wide X 1 1/2 inches tall with a metal back--they are attached to separate metal heat sinks and a white grease is applied to each to transfer heat quickly---after several years the heat sink grease dries out and one of the chips cannot stay cool enough and fails.
Pretty common problem in ALL rear projection sets--if model is 55pp, it is 55 inch set.
You can buy the chips on Ebay for less than 12 dollars---the resistors if needed are cheap parts.
It depends if you are able to do the repair yourself or need to have someone do it for you--most shops get at least 300 for this kind of repair--considering the parts cost less than 20 dollars if you can do it yourself you can save a lot of money.
Any good tech can do this repair in your home in about 1 hour--I know as I have done hundreds of them.
If you need help or advice let me know--I am here to help people.
Regards, SD TECH
Posted on Oct 11, 2009
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