Question about Philips BDS 4611 46 in. Plasma Television

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50 " Phillips Plasma tv. Screen is black, blinking red light.

All research seems to indicate a y sustain board is needed.  Is there a way to test the y sustain board before ordering.  I've tried all the tips, unpluging TV for 30 minutes or longer.  When you turn power back on, green led lights up temporarily, then small popping sound and then you have the blinking red led light.  Screen is always black.

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  • delboy3030 Feb 26, 2009

    my is a 47 philps ambilite lcd hd l think it as to bee at room tep and it will work it dus it to me screen is black ,blinking red light

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Sounds more like blown/exploding capacitors on the PSB-Power Supply board. No OSD-on screen display a blinking led or chatter/relay clikcing at startup is the tv going into fault protection and bypassing the startup pins. The YSUS-Main controls the pic which is attached to 2 buffer boards the YBU-upper YBL-Lower. They control the upper and lower portion of the OSD and the YSUS controls both of them. Since you're getting No OSD you need to check for blown caps on the PSB first. Unplugging the set resets the error again. So you start all over again.

Best Rgards and Semper Fi

Posted on Aug 03, 2010

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