Question about Vizio P2 42 in. HD-Ready Plasma Television

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Would power on and off when I would try to turn it

I bought the tv a year and a half ago. TV would power on and off when I would try to turn it on. After about 3 tries it woul stay on. That lasted about a month after getting progressivly worse. Now no vizio light and the tvwon't power on. Is this the power supply inverter board. Are there test points to check voltage to be sure of the problem.

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I removed all the screws from the back cover. Upon visual inspection of the power supply board, model # PSPU-J707A, I found electrolytic capacitors C233 and C234 to have bulging tops. Both caps are 10V 3300uf. I'm going to replace them and post the results.

Posted on Oct 02, 2009

  • Max Cooper Oct 26, 2011

    I had a similar situation but this P.S. had bulging C233, C234, C236, & C241. All were rated at 10 working volts DC so I replaced them with >=20 WVDC figuring if it was a spike or surge, they would be more tolerant in the future. TV is working fine now. just be careful how physically big the replacement caps are.



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