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Prima PH4237P 42" Plasma Power Supply Blinking Red LED    
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Joined: 05 Dec 2010
Posts: 1
Location: Canada

PostPosted: Sun Dec 05, 2010 10:21 am    Post subject: Prima PH4237P 42" Plasma Power Supply Blinking Red LED Reply with quote

Hello to all, and many, many thanks in adavance for all youor help!!!

A customer came to me with the television in my subject header, with exactly the same symptoms described in this forum:


I changed all the necessary components, except for the STR-F6467, which I could not locate, so I replaced that with an STR-F6167, hoping that would be alright.

In any event, the TV passed the "smoke test", in other owrds, nothing exloded thankfully when I turned it on....but the problem is it does not stay on!

I'm getting no voltages out to either the cathode or anode board of the plasma screen, and there is a blinking red LED on the power supply itself.

In any event, the television does not turn on. Power LED goes from standby red to "on" blue for a few seconds, then shuts off, and then LED on power supply starts its blink cycle.

Any help would be greatly appreciated. I checked the main caps on the power suppply (ohmeter test), and they seem to ok (resistance builds).

Any help would be much appreciated.

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