Question about Insignia IS-LCDTV32 32 in. Television
So I've read that there are 3 capacitors on this powerboard. I've taken the powerboard out and indeed the 3 capacitors on the top are blown. The only markings I see is 680uf 35v 105c. I've called around to see who has these capacitors but they also need to know if they are bi-polar or low esr. I am not an electronics expert so I'm not sure how to test these or figure out what kind they are. Can anyone offer any suggestions?
Another thought in finding the mfg'r for the power supply;
most companies in the US have their products UL or CSA approved. These products have a UL or CSA listing number and
you can call UL to get the MFG'R name ans address from them
under the listed approval number on the board or serial number.
Posted on Jun 05, 2008
I am also holding the same board and can confirm that they are not bipolar. standard electrolytic. the three i am replacing are bulging, but i'm not sure if they were the culprit of the malfunction. they seem to still hold a charge. you can order the caps from mcmelectronics.com
Posted on Mar 08, 2008
I'm holding the same board in my hand and they are not bi-polar.
Posted on Oct 18, 2007
Have another look at the capacitors you've got. If one of the leads is marked as negative (suppose it's possible that the other would be marked as positive instead, but the standard is usually to mark the negative) then you don't need a bipolar capacitor (for capacitors with one lead coming out each end, look for a band round one end of the capacitor with small minus signs printed on it. For capacitors with both leads coming out the same end, look for a stripe down one side). On the other hand, if there's no indication which lead is meant to be which, you probably need bipolar. If your application needs low ESR, then it needs it. If it doesn't, putting low ESR caps in will do no harm other than pushing the price up a bit and maybe having a bigger footprint. A.
Posted on May 04, 2007
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Posted on Jan 02, 2017
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