Question about Philips 50PF9630A 50 in. Plasma Television

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I have a 50" Philips plasma TV, model # 50PF9630A/37, this is what I have done so far. This TV started to turn off and on by itself, then it would have periods of interference like lines across the display, I updated the software as recommended by Philips and the unit got stuck in that screen display after I upgraded and it was not responding to any commands, I checked all components and voltages and I was told the SBB board was bad, I changed it for a brand new one and now everything works but I have no image, it is dark, it only flickers when it first is turn on.

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  • Al Mendoza Sep 22, 2010

    Dear lady Winn: Thank you for posting a solution, I understand the problem with the SSB board, however, if I buy another one, it may be bad too, I am already down $100 and I hate to spend the money if that is not the problem. Now you mention the display panel? Are you talking about the 2 boards that handle the upper and lower display respectively?
    I tell you what, I have place the old SSB board back in the TV and the image is there, stuck in software update, it tells me the last time I updated the unit, (which in turn destroyed my TV). I believe it might be the power supply, let me know please.
    Thank you for your time


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The board you are talking about is it the SSB board?Which is the signal board,Problem now could lead back to the Display Panel, unless the board you replaced has a defect in it ! You should keep in mind that New does not mean it works.
Encompass Parts Distribution 1-800-638-3328
They have One in stock Price 137.49 (Ssb) small signal board for Display.

Posted on Sep 10, 2010

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Quick test of the plasma screen itself:

1) Turn on the TV
2) Try to bring up an on screen setup menu using the remote or buttons on the tv.
3) Does the menu appear? If so, the screen itself is ok.

If it doesn't come up you make have an issue with the screen itself. I am not sure it would be possible to set contrast and brightness settings such that the picture would completely disappear, but I suspect you should be seeing something on the screen just from having turned it on.

We also need to know more about what you have connected to the television. HD televisions typically have several inputs on them including HDMI, digital cable, VGA and component. Let's say for example you have PS3 connected via HDMI. You can tell the PS3 to send audio across the HDMI cable as well as video. You also have the option of running separate connections for your audio signal. It is the existence of these options that make it necessary to understand where and how you have things connected, very specifically.

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