Power won't stay on MdL 46EX3B/4K
I hope this flies, this site won't let me post the accurate model # 46 EX3B/4K. Power comes on for about 2 seconds and clicks off. It use to do this intermittingly and would play fine, now it won't power up at all.
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Product Troubleshooting for 53UDX10B 53" Rear Projection Television
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Check the curcuit board where the power supply is sometimes these sets get so hot the solder melts causing short curcuits,be very carefull as tvs can hold high voltage for many years and should be discharged first,there may be signs or arcing near power supply hope this helps...