[TV] Panasonic PT61G45

["Tat Li" <tatemail@xxxxxxxxxxxx>]

Hello everyone:
I have been working on a Panasonic PTV  PT61G45 for 3 days and cannot locate the problem.
I need help badly !!!
It shuts down into protection mode intermittently,some time 1 hour other times 1 day . 
I have checked  no cold solder joint found.
Right now I have 2 PT61G45 TVs have the same problem sitting on my bench
Any suggestions appreciated.
Thanks 

Ted  Lee

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