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Vscan for philips 42 in plasma

I have a philips 42 plasma 42pf7321d/37 that I updated the firmware to remove the 4 blinking red led light. Now I don't have that problem but get 3 blinking led on power board. The sig alarm says for 3 it is the vscan. Another expert here on FixYa said to unplug the cable and if power stays on, then that is the problem. Well, power does stay on now so what do I need to do? Is there anything else I need to check or would changing the y sus main board fix this problem and also do I need to change the other 2 cards to the left of this card? Finally if I can change and do it myself, I am having a problem locating boards that have this same number so how important is it that the part number be the same or what is compatible with a pdp module that is S42AX-YD01 ( Power board is LJ44-00101CPS-424-PH Rev 0.7. (Dont know if that matters but I figure give you more info than not enough. I hope you can help)

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I would recommend replacing y main and y upper and lower buffer boards based off your troubleshooting as they complete circuit. these samsung boards have an lj92 number on them that will cross to part number. if you find an lj41 number that number is vendor number for circuit board prior to components being placed on board. hope this helps. dan

Posted on Aug 21, 2008

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When I power on my 42PF7321D/37 Philips Plasma TV the green LED comes on then turne into a flashing red LED. Flashes 4 times then space then four times. TV will not turn on.


Hello,

Ur power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get ur tv power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.


Hope this helpout........


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