
41
(2) SIL504 trouble shooting: (U4, U2)
X1, 20Mhz?
RESET
successful?
1. check X1, C41, C42
2.
check U17,RP25
System IIC ok?
(U4 pin 15,14)
1.Q2,Q3 ok? (level shift )
2. RP7 ok? ( IIC Pull high)
SIL504 IIC ok?
(U4 pin 2, 3)
1. R10,R11ok? ( IIC Pull
high)
2. Replace
U4
DEINTDONE
Signal ok? (U4
pin21)
1. check SIL504 1.8V ok?
2. check U2, U3 ok?
No
No
No
No
YES
YES
YES
Summary of Contents for PE8700 - DLP Projector - HD
Page 16: ...15 Appendix C Drawings and Attachments Drawing 1 Top view of BENQ PE8700 video projector ...
Page 17: ...16 ...
Page 26: ...25 6 Packaging Description ...
Page 27: ...26 7 Appearance Description ...
Page 28: ...27 ...