BenQ Q7C3 - Page 44

Q7C3 LCD Monitor Service Guide
Circuit Operation Theory
10
3.Circuit Operation Theorem
3.1 ON/OFF SWITCH
The turn-on voltage was controlled by R756 and R757.The inverter was turned on or off by the
switching transistors Q761 and Q757, Also regulator IC751 is control by Q761 and Q757 decide
supply 15V to inverter part or instead.