-88-
the connection of IC601 pin 13.
Check
Check
and replace the IC601.
the connection lines of IC201.
Check
Check
Check
and replace the IC201.
the connection lines of IC601.
Check and replace the IC601.
Check the connection lines of
IC601 pin 21,18.
Check and replace the IC601.
YES
Are
IC601 pin29(EFM1),
30(EFM2), 42(RESAMP1), 2(RESAMP2),
41(ROPC1) pulse signals?
Are
IC401 pin 38(WFPDSH),
39(RFPDSH),40(WBLSH),
41(SPDSH), 42(MPDSH)
pulse signals?
Are
IC401 pin30(ODON)
41(W/XR) pulse signals?
IC601 Pin 27(WGATE)= H ?
YES
IC401 Pin 50(WLDON)= H ?
YES
IC601 Pin 33(CDR/RW)= L ?
IC601 Pin 34(CDR/R/W)= H ?
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
Execute E. LD On of How to
use Test Tool(Dragon) : CD-RW
Recording Mode
K
Dragon : Execute LD Off
the connection of IC701 pin 20.
Check
Check
and replace the IC701.
the connection of IC701 pin 7.
Check
Check
and replace the IC701.
the connection of IC201 pin 166.
Check
Check
and replace the IC201.
TROUBLESHOOTING - 25/26
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
