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23” LCD Color Monitor BenQ G2320HDB
53
(3) White screen
White Screen
Measure Q601 base
is low level?
X401 oscillate
waveform is normal
Check Correspondent
component.
Replace Panel
Check Correspondent component.
OK
OK
Replace X401
NG
NG
NG
NG
Check reset circuit of
U401 is normal
OK
Check Q602, Q601 is broken
or CN601 solder?
Check U401
OK
Replace U401
NG
Summary of Contents for G2320HDB
Page 38: ...23 LCD Color Monitor BenQ G2320HDB 38 MAIN BOARD POWER BOARD...
Page 57: ...23 LCD Color Monitor BenQ G2320HDB 57 PCB LAYOUT Main Board...
Page 58: ...23 LCD Color Monitor BenQ G2320HDB 58...
Page 59: ...23 LCD Color Monitor BenQ G2320HDB 59 Power Board...
Page 60: ...23 LCD Color Monitor BenQ G2320HDB 60...