Question about RCA R52WM24 52" HDTV Projection Television
I have the same issue as the above, and hoped the FL231 replacement would do the trick. Now I am back to where I started, a mostly new (17 months) TV with convergence problems. I already replaced the convergence board as well. A technician said it would take him hours to figure out which fuse/transistor/or whatever else may be broken on the board. Here in Hawaii, labor is in excess of $100 an hour. Any further suggestions? And anything being started against RCA for consistently building a product that goes bad immediately after the warranty period has expired? Come on, the date stamp on my TV is JUL 06!
Convergence is not the problem my dear. what u saw is due to improper signal. you said u replaced the convergence board, but the problem is still there. the frequency is not proper. what happen sometime the component used in the board shift there value. u chage the board that's ok, but you didn't check the frequency applied to that board. in some cases the frequency is applied through the electrolytic filters. after sometime they shift there value and make variable changes in the frequency. in some cases it is applied to complementry transistors. pair of two transistors NPN & PNP. what we do, we first check the electolytic filters, in most cases they are defective. second option is the polyster capacitors, who hold the frequencies and play the important role in any electronic device. if there is any tantulum capacitor is used, it's rare chance of them to be defective, there only alternate is- replace them. if you have any other source like:. external frequency generator board (which produce both horizontal & vertical frequency with clock pulse). it would be helpful.
tell me if you check all this then i will give you more solutions......
but i don't think u need more
BEST OF LUCK
Posted on Feb 12, 2008
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Posted on Jan 02, 2017
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