Question about Televison & Video
Thanks for using FixYa. A plasma TV is a very hard working device. It is working harder than any TV that has been built before, and as a result it produces a lot of heat. 75% of technical problems in plasma TV's are caused by overheating problems. You’ll need to check the power supply board first for any swollen/bulged capacitors. As power supply board is the hardest working board in a plasma TV, it develops voltage to supply all components, high current + high voltage. All this is only recommended if you have electrical expertise & know how to solder/re-solder components as these units contain high voltages even when switched off. Please do accept the solution if the issue is resolved or post a comment for further assistance.
Posted on Sep 04, 2010
On some they replaced capacitors:
3300uf 10V 2 pcs
on the Power Board, One has to check on it.
It could also be from bad MOSFET and/or oscillators.
But try on capacitors first.
Posted on Sep 05, 2010
Hello sir, hi, did you take precaution like putting on anti static wrist wrap? or before touching the main board, did you hold ground to discharge static electricity that may be on your body? when this things happen, damage to the main board is likely. Recheck your work on the capacitors, you may need to isolate the power supply and check for voltage drops across every capacitor. If you have a 3300 uf 10v capacitor, you should get a voltage drop of 10v or less. If no voltage present, go backwards and check where the voltage disappears. Until you find and replace the bad section or part.
Posted on Sep 06, 2010
Sounds like a problem with the set entering into protect mode. Any clicking noise before it turns off?
Posted on Sep 05, 2010
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Posted on Jan 02, 2017
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