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RCA F044C30BF Chassis ITC222    
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PostPosted: Fri Aug 15, 2008 10:52 am    Post subject: RCA F044C30BF Chassis ITC222 Reply with quote

I have a RCA F044C30BF Chassis ITC222 in my shop. I normally don't work
on big screens but this one is family.
When it is plugged in to house line voltage (124 volt AC ) It will blink
the power light three times and shut off. When I plug it into the Vari-Act
at 100 Volt AC it will power up and looks good. I can turn the Voltage up
to 120 and the picture slightly tears. I think I am looking at a bad B+
regulator. Does any one have a different idea of what is wrong. I see a
lot of post on this chassis it looks like it has a lot of problems.

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PostPosted: Fri Aug 15, 2008 10:53 am    Post subject: Reply with quote

Did you check the voltage doubler board? Its the board facing the back of
set its in the far right corner. This board will up the 120vac to 300.
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