Question about RCA D52W19 52" Rear Projection Television
I have an ITC222 chassis that the screen went hourglass and wont converge. I have the PS board and amplifier board out of it and the PS board has a 12 pin header with + and - voltages next to it. Can I just plug it back in except for the amplifier ribbon and check for proper voltages at the pins to test it? If so what should I connect the ground to and what are the voltage tolerances?
If all colors are off and If autoconvergence fails right away, it might be a screen sensor that has gone bad. You will have to enter the service mode to see if the sensors calibrate correctly. If the autoconverge fails partly through then it is more than likely a convergence PS problem. if only one color is off its probably going to be a convergence amp problem.
Posted on Aug 02, 2008
Check here for the schematic diagram: http://www.eserviceinfo.com/index.php?what=search2&searchstring=ITC222
This site has more info as well: http://wa6ati.com/itc222.html
Posted on Feb 10, 2008
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Posted on Jan 02, 2017
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