Question about Philips 50PFP5332D 50 in. Plasma Television

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42PF5321D/37 had the red led 4 blink no picture problem. I went to the phillips website and found athe latest firmware that stated it fixed that problem. It did, now it still has a black screen only the led is now GREEN AND BLINKS 4 TIMES, LOL. QUESTION, DO YOU REALLY THINK REPLACING THE ssb WILL WORK (costs $490.00). I am a computer tech, I openeded it up. when power is applied the 2 green leds on the PS board light up, 2 green leds on the ssb light up and 2 micro leds on the logic board light up, 5 seconds or so later both green leds on the PS board go out and te left micro led of the 2 on the Logic board goes out, then the 2 leds on the ssb stay on. also the green led on the front of the set stays on (green) and no blinks now, unles of course I short the SDM jumber pad on the SSB board and input a code from the remote control, then it ges back to blinks once, then 4 times, oveer and over again. Thanks for any advice and you time. my email address is

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  • Me Ow
    Me Ow Aug 20, 2008

    OK, when I am watching the boards in the back, I plug in the unit to power. All the leds come on, ie..the power board, the logic board (with the 1 solid and 1 blinking led next to each other, top right of board), and the 1 (lower) led on the ssb. 10 seconds later all the leds shut off (Relays click) then 2 leds instead of 1 on the SSB lights up and stays on. Does this still sound like the SSB to you Lawrence1974?, (When i plug in the set, VS reads on a DCV scale of 20 volts - .11 then goes up to .18 , then (about 10 seconds later) the relays click and drops to zero) and BTW Thanks for posting your help!



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Measure the connector from the logic board to the power supply the second pin from the left it will say Vs_ On if the set has 3.1 volts the problem is the SSB or the logic board. On the logic board there should be a solid led and a flashing led that shown that data id flowing and the problem is the SSB. The SSB is easy to replace just remember what you tokk loose and from where. You probely will save money that way. If the set is in warranty or just out of warranty contact Philips 1-888-744-5477 and see what they can do first.

Posted on Aug 20, 2008


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