Need to know for sure if your power supply board is faulty before buying a replacement? Watch this video. The power supply board under test in this video is from a Coby 32" LCD TV. Testing boards from other manufacturers should be very similar. Once the power supply board has been removed from the TV with the power cord still attached, the next step is to turn on the power supply by shorting 2 pins together(Power On) on the power supply board. Coby models use the designation, "PSON/5vSB". Ot
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