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Problem with the Philips 42PFL7432D/37. Was getting no picture but ambilight would work. Took it to get fixed and was told it was the high voltage power supply board. I purchased the exact replacement board (310432848913 power supply board) and still the same problem. How can I tell if it is either of the inverter boards, master or slave, or if it is the t-con board? Also when I turn the tv on I hear one click, after a few seconds (when I would normally hear the second and the tv would turn on) the Master inverter board has a blue LED that turns on for a few seconds then dims... is that normal or should it stay on? Also is that an indicator that that could be the faulty board? Or could it possibly be the mother board where are the input connectors go? Thank you ahead of time for your response.

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Posted on Jan 02, 2017

  • 8457 Answers

SOURCE: 50 in philips hd plasma with ambilight model number 50PF9631D/37

The backlight inverter board is going just not dead yet.
U need a new board.

Posted on Sep 10, 2009

  • 8457 Answers

SOURCE: I have a philips 42pfl7432d lcd tv, where the

Ur LCD inverter backlight board is dead.Replaced this LCD inverter backlight board,will get ur pictuure back.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter backlighht board for the replacement.It a long board in shape.

Posted on Mar 09, 2010

westytech
  • 120 Answers

SOURCE: Westinghouse lvm-47w1 picture goes dim

Hello, I can tell you from experience that this is an inverter issue. Both the master and the slave have several transformers and sometimes you can't tell if they are damaged or not. I would recommend testing the leads from the inverters to make sure which one of the two is the one causing the dim picture.

Posted on Apr 15, 2010

  • 259 Answers

SOURCE: received new backlight inverters 6632L-0348b and

I wouldn't unless you're sure they match the particular model. Each of them are different depending on size of set. This can be verified by seial number version(ya1b, ya3b, c and so on). If you were to try this you might fry the backlight, requiring a replacement panel. They supply different voltages........Please be careful, can be lethal, 1000vdc or more........Good success, Meder's Tv

Posted on Jun 27, 2010

  • 14 Answers

SOURCE: I have a Philips 42PFL7422D

There are only two boards. Master - 6632L-0470A REV 1.3 and Slave - 6632L-0471A Rev 1.3

Posted on Mar 21, 2011

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1 Answer

Philips 42pfl7432d/37 has no picture or sound. Power light comes on for a few seconds


It sounds like you have done some research on this issue. My suggestion is that the power supply is supplying the dc voltages to the inverter boards it is just that the inverters are not working, it is suggested that you replace both the master and slave inverters at the same time, You might want to try using a flash light or other light source and shine on screen and then get up real close and see if you can make out the images, and if this enables you to see the images and it appears that everything is working except the back lights then I would feel comfortable replacing both inverter boards. Hope this helps.


HID KITS.

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Tv turn on now,pictures only flashes few sec. than dies have audio left only?Yes,than the tv 2 long LCD inverter boards are dead.These 2 long LCD inverter boards help the LCD screen panel to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy those 2 long LCD inverter boards for the replacement.

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From what I'm seeing online, the bulbs in the Ambilight may be the culprit. I also read that a firmware upgrade could fix the issue too. There was also a recall of some TV's with that issue, so I would check with Philips about your model and serial number and see if your TV was included in the recall. If you raise enough cain and threaten to never buy from them again, they may get your set fixed for you... even if the warranty is up!

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change the backlight (cold cathode light) on your monitor.. If you are able to open the back of your lcd monitor carefully, the backlights are located at the upper and the lower part of the edge .. replace it with conventional cold cathode lights(protective tube was removed)... there are also instances that backlight was good but the ballast transformer is burnt. Replace the ballast. Its very cheap to replace that.

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1 Answer

Tv worked last night. This morning, no picture, no sound but ambilight works as normal...any clue??


this could be caused by vented capacitors in power supply..........look for domed tops on the electrolytics(small can shaped devices)on power supply board. These are bad and need replacing. 1000uf 10v.
Replace with high-temp(105 degrees C) electrolytic cap.
I use 25v or greater. Good success........meder'sTV

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1 Answer

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Ur LCD inverter backlight board is dead.Replaced this LCD inverter backlight board,will get ur pictuure back.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter backlighht board for the replacement.It a long board in shape.

Mar 09, 2010 | Philips 42PFL7432D 42 in. LCD Television

3 Answers

50 in philips hd plasma with ambilight model number 50PF9631D/37


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1 Answer

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