Question about RCA D52W20 52" Rear Projection HDTV-Ready Television
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Posted on Jan 02, 2017
This is an indication that the convergence amps are drawing too much current which has an effect on the power supply and thus killing your sound by removing or lowering the voltage supplied to that stage, finally this results in the blowing of the fuse. I would suggest that you change the convergence amplifiers and the biasing resistors (All of them) and then see if this corrects your problem (I believe it will). Also get a schematic of the TV and try to find out how the power supply relates the sound module and the convergence module, they might share a common power bus, or the voltage regulator for the sound also feeds the convergence board.
I hope this helps,
Posted on Jul 19, 2008
Go to menu ,now to setup when in set up do you see convergence? If convergence is missing in menu it is a open fuse,only it does not look like fuse ,They look more like small square capaitors brown, they will be right next to flyback transfomer FL231 (3) of them in a roll it will be the middle one,you can take needle nose plyers and pull top up on fuses.
Posted on Dec 18, 2008
unfotunatly the itc222 has no convergence ics it uses a series of trsansiitors. the fact that u have some areas of the screen clear may mean you need a technician to do a service alignment. when you go into setup does the convergence crosshairs move up and down and side to side on both the blue and red? if they do their may not be a problem with the power board. ONe more thing if you replace this board you will still need a technician to do a service alighnment
Posted on Jun 16, 2009
The most obvious item which is causing your problem are the 220K ohm 1/4 watt resistors on the convergence power supply board. There are four of them RP10, RP11, RP12 amd RP13
Posted on Jun 18, 2009
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