BenQ V37X Product Service Manual page 117

main board
LED OK?
Yes
OSD OK?
HDMI OK?
Yes
Component OK?
Yes
PC OK?
Yes
Audio OK?
Yes
Board trouble shooting flowchart
No
1. Chk R702,R705,Q701,Q702
2. chk power +5vs
No
1. Chk +5VS, +2.5V_PW, +3.3V_PW,+1.8V_PW
2. UC1,Chk MODULE_ON and PWR_ON
Chk DPMS,+5V_DPMS,Q601
No
No
Chk +9V_MSP,QC3,QC4,QC5
Chk U501,U601
No
No
Check U901
1.Chk U601
No
2. Chk J601 connection
No
Chk UA1
117