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Question about RCA BLC524 5.6 in. Television

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Dead looking to identify U4 on power supply board. Mine is smoked. I can see 358 on it, that's about it. RCA or IC number would be great. Or the whole board if someone has a scrapped one. Thank you (one of the high speed switching diodes on this board was also shorted)

Posted by ron patch on

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  • ron patch Oct 17, 2006

    thank you, RCA doesn't recognize that as a good number. Hmmmm? And it is labeled U4 right on the board next to the IC, so not sure where the IC501 comes in. I'll do a little more digging. What would really be helpful is if I could read the numbers on the IC.
    Thanks for your help.
    ron

  • ron patch Oct 17, 2006

    oops, I meant IC502 in my comments.......... ;)

  • ron patch Nov 15, 2006

    I still haven't been able to identify U4 on the power supply board. RCA wasn't much help either. If anyone would have occasion to look at that board and IC (U4) it would sure be much appreciated. Or point me in the direction of a junk/used set.
    Thank you

  • ron patch Jan 26, 2007

    FYI, it was a upc358 op amp. Along with the photo coupler and high speed rectifier and 300 ohm sm resistor, solved the problem.

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I called RCA today and they identify this part as IC 502 and the part number they gave me is 244662-U4(stock number),the phone number you need to call for parts is 1-800-338-0376,in this number they should give you price and availabity.I hope you can relate to the information.

Posted on Oct 13, 2006

  • Anonymous Oct 13, 2006

    Your rating response is important to me too.

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