22” LCD Color Monitor BenQ G2200W
36
Power/Inverter Board
No power
Check CN902 PIN5.6 = 12V
Check AC line volt 110V or 220V
Check AC input
Check the voltage of C905 (+)
Check bridge rectified circuit and F901 circuit
Check start voltage for the pin8 of IC901
Check R904, R932, R933, Change IC901
NG
Check the auxiliary voltage is bigger than
10V and smaller than 20V
1) Check IC901
2) Check R909/D901 circuit
OK
OK
NG
Check D905/D906/IC903/ZD921/ZD922/Q903
OK
Check IC901 pin6 PWM wave
OK
Check IC901
NG
NG
NG
OK
NG
Summary of Contents for G2200W - 22" LCD Monitor
Page 8: ...22 LCD Color Monitor BenQ G2200W 8 3 3 Factory Preset Display Modes ...
Page 10: ...22 LCD Color Monitor BenQ G2200W 10 Optical Characteristics ...
Page 11: ...22 LCD Color Monitor BenQ G2200W 11 4 Disassembly Assembly 4 1 Three angles view ...
Page 12: ...22 LCD Color Monitor BenQ G2200W 12 4 2 Exploded View ...
Page 18: ...22 LCD Color Monitor BenQ G2200W 18 4 Until appears the follow Figure writer completed ...