Question about Philips 42PF9630A 42 in. Plasma Television

2 Answers

Philips 42" plasma 42pf9631d/37 at turn on it boots as normal green light then picture appears as vertical rainbow lines randomly across length of screen tv powers off and repeats this cycle

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  • ex32006 Sep 09, 2009

    i went through the whole machine resauder every pin now all i have is a blinking red light on front 7 blinks and a blinking green light on power supply 10 times

  • ex32006 Sep 17, 2009

    thank you

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2 Answers

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  • Master
  • 2,923 Answers

Vertical rainbow lines and TV powers off and repeats this cycle? Sounds like a bad logic board. This board costs for $70, but it would be better to contact the manufacturer for second opinion if the TV is still under the warranty period.

Check the link below to see how a Philips Logic Board looks like:

http://cgi.ebay.com/PHILIPS-PLASMA-TV-50MF231D%2F37-LJ41-03703A-Logic-Board_W0QQitemZ250494052251QQcmdZViewItemQQimsxZ20090906?IMSfp=TL090906163006r28938

Hope this helps and have a great day!

Posted on Sep 09, 2009

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  • Master
  • 8,619 Answers

Hi

This happens when the TV is going into Protection Mode. When a failed part occurs inside the TV, it will turn itself OFF automatically to prevent further damage to other components. The problem is on the Backlight Inverter Board or the Main Power Supply. The Backlight Inverter Board is what brings power to the screen. The Main Power Supply is what brings power to all the circuit boards in the TV. If it is under warranty then you should use it as the repair shop may charge a crazy price to fix the problem. If you have electrical expertise & know how to solder, de-solder components then you can find a Service Manual over the internet for around $9-$15. It will also have green light blink codes, diagrams, schematics, and part numbers for every part on the boards. Replacement parts can be found by using the part numbers for the search on the internet. Most parts cost less than $10.

Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks
Rylee

Posted on Sep 06, 2009

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