Question about LG 42PX5D 42 in. Plasma HDTV
Very happily watching TV. Heard a loud pop and the TV went dead. We shut it down and waited a but. Turned it back on and all we get is audio -- black screen. We're just out of the 2 year warranty. Is there any kind of troubleshooting we could try before we call out the professionals????
Likely blew a cap or diode in the power supply ,
if you stay out of it then it will cost less to service,
techs hate to work on a mess of someone else's
Posted on Jun 10, 2008
The technician that quoted you is right on point. I service these televisions and that is exactly what happens. A lot of times we can replace the Y drive and Z Sustain board, but sometimes it will knock out the upper and or lower drive boards. The y drive and z sustain boards total about $400 in parts and after labor, a trip charge to the home, labor and tax, you would spend about $700-$800. Add about $100 each for the upper and lower drive boards.
A popped cap or diode in the power supply would result in a dead set. However, if you hear audio still, it is going to be those two boards and possibly more.
Posted on Jul 31, 2008
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