Question about Sanyo DP42746 42 in. Plasma Television
T.V. Just goes black for no reason.
There is a reason for everything.
In this case you might need service of your power supply or a replacement buffer boards or , sometimes, a simple dismounting, cleaning and mounting of the TV.
But most of the time it would be around the Y-sustain and buffer boards.
Posted on Apr 18, 2014
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Posted on Jan 02, 2017
Most likely a power supply board went bad. the pop sound is bad capacitor on the board. Most bad capacitors will look like this:
The other picture below shows a normal capacitor in the middle, but two bad capacitors on the sides of it. One with the dome top and one leaking.
You can try repairing the board by replacing the capacitors or replace the whole power supply board. Most replacement boards can be found at a good price at Shopjimmy.com or Ebay.
Posted on Dec 29, 2009
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