Question about Televison & Video
We understand that your problem is: hello, I have a RCA 52 " (R52WH74) chasis (ITC222A) that wont power on .. like other posts it blinks 3 times and never comes on I have isolated the problem to power board but need pointers on how to check the the Flyback trans FYI I have already checked the continuity for 400ma fuses, cp150 and visually inspected all other capacitors...... also is there any other borad that could cause these problems?
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Posted on Jan 02, 2017
SOURCE: RCA R52WH74 turns off 3 times
You are going to have to take those capacitors out of the Tv and check them on a capacitance tester. Some digital multi-meters have them, but I would suggest using the LC102 by Sencore That way you can check the ESR, and the dielectric absorption of the capacitor. It is my suspicion that these caps are bad, but should be checked before replacing them.
In addition check the BLUE and RED CRTs for cracks around the neck oy the tube, BE CAREFUL.
I hope this helps,
Posted on Jul 27, 2009
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