BenQ PE8700 Service Manual page 45

4. Connector board trouble shooting guide.
S-video is OK?
Composite is
OK?
Component is
OK?
DVI- A is
OK?
DVI-D (HDCP)is
OK?
YPbPr is OK?
BNC-PC is OK?
J6 12V output?
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Check L14,L17
No
Check U5
Check U10
Check L13
No
Check U5
Check U10
Check L15,L16,L18
No
Check U10
No
Check L28,,L29,L31,L32,L33
Check U17
Check U18 DDC
No
Check U17
Check L2,L3,L4
Check U2
Check U7
Check L2,L3,L4,L5,L6
Check U2,U3,U4
No
No
Check F1
Check Q2
Check L24
Check Q3
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