Canon FAX-L1000 User Manual
Page 336
4-84
FAX-L1000 Chapter 4: Maintenance and Service
SCNT board (J1)
,/
Memory board
J1 Memory Signal name
Description
A43 /
43
nCASH
Column address/high-order byte access
A44 /
44
nRAS2
Row address strobe signal No.2
A45 .
45
N.C
Not connected
A46 .
46
N.C
Not connected
A47 /
47
nFWE
XWE signal to DRAM
A48 .
48
N.C
Not connected
A49 .
49
VD2
Data signal
A50 .
50
VD3
Data signal
A51 .
51
VD4
Data signal
A52 .
52
VD5
Data signal
A53 .
53
VD6
Data signal
A54 .
54
VD7
Data signal
A55 .
55
N.C
Not connected
A56 .
56
VD8
Data signal
A57 .
57
VD9
Data signal
A58 .
58
VD10
Data signal
A59 .
59
VD12
Data signal
A60 .
60
VD11
Data signal
A61 /
61
+VB
Logic drive voltage
A62 .
62
VD13
Data signal
A63 .
63
VD14
Data signal
A64 .
64
VD15
Data signal
A65 .
65
N.C
Not connected
A66 .
66
N.C
Not connected
A67 .
67
N.C
Not connected
A68 .
68
N.C
Not connected
A69 .
69
N.C
Not connected
A70 .
70
N.C
Not connected
A71 .
71
N.C
Not connected
A72 .
72
DGND
Ground
NOTE
The J1 connector on the SCNT board has two rows A and B and has a total of
144 pins. Since rows A and B have similar pin layout , only different pins are
shown below:
B34 :nRAS2 B44 :nRAS1