How to Repair LCD ! Switching mosfet Blown n Blown

If Switching mosfet Blown all time

In this case disconnect switching mosfet nd check Gate and Drain near about 300volt drain and 1.0v  Gate. 

+B circuit ,any shorting available in secondary side but is is ok then check MFC for licky and check switching mosfet proper tight to heat sink body after check all are ok 

then check some following Rules.

=> Ampere:    check 1.5 to 2 AMP. 

=> Temperature: Transistor---105 Celsius and Mosfet --- 180 Celsius

 Due to AMP.  and Temperature, Signal, Voltage. Mosfet / Transistor are Blow again and again

See in Below Picture:

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After Switch On Display Come On The Main Panel but After Few Minute No Light Appear Power LED is Blowing .