Panasonic TX-37LDXD85

roders5

Novice Member
TV made a loudish crack and turned off.
On switch on I get fast green flashes and then a 3 flash red pause and 3 flash red recuring.
I have been led to believe the fault is overvoltage on the 3.3v line.
Any ideas where and what the fault may be. and how to test.
All caps are still flat and no visible blown componants.
Can someone also explain the wireing diagram.
The diagram curcuit is colour coded with Green Red blue and yellow. Can anyone explain the colour designations.
 

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