Re: Fix for Benq FP737s 17" (Q7T3)
First, thanks to all the previous contributors. The information in this thread lead me to the cause far faster than I would have if I had started from scratch and probably stopped me from making more silicon smoke.
I agree with PlainBill. Open circuits caused by dry joints in the transformers kills the 2SC5707s. They are probably killed because their maximum power dissipation is exceeded. A current limiter will probably not prevent this from occurring.
Explanation....(from an EE of 30 years)
Dry...
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