Question about RCA F32450 32" TV

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No power/RCA ctc187cl

Hello, I recently had a brown out and then my rca ctc187cl would not respond. I am an experienced electronics tech and have some tv knowledge. The main fuse was blown, replaced fuse, blew again right away. Voltage regulator seemed to have several shorted pins. Replaced regulator with stk730-150. Fuse is holding now but still no power. I have a V.O.M. and I could dig my Oscope out of the garage but really don't want to have to do that. Do you have any fairly quick and easy Ideas. Thanks!       Doug

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Re: No power/RCA ctc187cl

When you plug the set in do you here chirp from the set if not power is still not getting to the regulator check components around main ac power supply

Posted on Nov 02, 2007

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Re: No power/RCA ctc187cl

Check for 5 volts present at pins of EEPROM IC. ( 8 pin-center
front) = no 5 volts = Re-check power supply components such as AC in resistor 2.7 Ohm ?....Or 5 volts ok,then suspect EEPROM corrupted........part # 223957 ( install 8-pin socket,then re-plug in original, if that doesn't clear it, plug in
new part) Use pre-programmed after-market replacement,if you 
can get it.....Let me know....T.

Posted on Oct 31, 2007

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