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23” LCD Color Monitor BenQ G2320HD
63
(2) No picture
No picture
OK
NG
X401 oscillate waveforms are normal
Replace X401
Check if the sync signal from
computer is output and video cable is
connected normally
Input the sync signal of computer, or
change the cable
NG
OK
NG
Check U401
Replace U401
Measure U702 Pin2=3.3 and U704 Pin2=1.2V
OK
NG
Replace U702 and U703
Check if the Pin 4, 7, 8 of CN701 is 5V input
Check power board
NG
OK
Summary of Contents for G2320HD
Page 13: ...23 LCD Color Monitor BenQ G2320HD 13...
Page 14: ...23 LCD Color Monitor BenQ G2320HD 14...
Page 43: ...23 LCD Color Monitor BenQ G2320HD 43 C Put the disassembly tool into the nick...
Page 44: ...23 LCD Color Monitor BenQ G2320HD 44 D Gash slightly the latch with the disassembly tool...
Page 48: ...23 LCD Color Monitor BenQ G2320HD 48 MAIN BOARD POWER BOARD...
Page 68: ...23 LCD Color Monitor BenQ G2320HD 68 PCB LAYOUT Main Board...
Page 69: ...23 LCD Color Monitor BenQ G2320HD 69...
Page 70: ...23 LCD Color Monitor BenQ G2320HD 70 Power Board...
Page 71: ...23 LCD Color Monitor BenQ G2320HD 71...