Question about Televison & Video
There are many reasons for this fault. Your TV need a through check-up. Contact any service technician. This is not a user repairable fault.
Its power supply section circuit should be checked. Usually; a hum sound can be with any fault filter capacitors on it. But can't say; it will be. As I stated above, there might be any other reason that this. I think that you can get me. In fact; trouble-shooting should be started from the main power supply regulator board itself. Ok?
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Posted on Dec 10, 2014
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Posted on Jan 02, 2017
SOURCE: Panasonic Viera 42" TH-42PV30
Check the 2 main interconnection cables (24pin and 26pin) rear of PDP and Tuner box. Make sure they are firmly connected. (Loose connection of 24pin will cause no power on symptom.)
Posted on Oct 21, 2005
I had the same problem, after reading the forums and playing around for a while I cracked it. It was to do with the output from the DVD player, in the DVD player setup I changed the output from RGB to s-video and bingo! Hope that helps
Posted on Jan 05, 2009
When the SUB5V or MAIN9V/SUB9V, short or over-voltage 15V short condition occurs, the TV shuts down and the power LED blinks 10 times.
Posted on May 16, 2010
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