I fixed it! It's the power supply board.
The Westinghouse LCM 22w2 has bad capacitors on the yellow power supply
board. This is a common problem plaguing motherboards and LCD
flatpanels that use capacitors from Taiwan. If you know how to solder,
or know somebody that can, it's actually a pretty easy fix. Take out
the yellow circuit board on the inside, write down the specifications
for each of the capacitors (the cylindrical things) go to the
electronics supply store and get the replacement capacitors. You can go
over the voltage specification (not under), but keep the capacitance
value matching. Replace one at a time. Go to www.badcaps.net for
advice, tutorials and training on doing this. *You really should
replace all the capacitors*, but the very large one next to the power
plug I did leave on the board because I couldn't find a match. To my
delight, the white screen of death went away and it was working as new!
I saved a ton of money fixing this, it's definitely worth learning how to solder to do this.
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I have the same problem, at first I was able to get it to work by unplugging and replugging it in, now it keeps getting worse. I belive the logic board associated with the backlight is malfunctioning. Causing the backlight to stay on regardless of the input signal. Any suggestions on repair?
same thing for me. when i power off, it just stays white. also when changing inputs, it flickers white.
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