Sony CDL1100, Service Manual

Page: 30 / 89

7-8
Ground
+5V power supply
XCD signal input/output with SCSI control bus
Ground
XREQ signal input/output with SCSI control bus
Ground
XIO signal input/output with SCSI control bus
Ground
+5V power supply
Reset input “L”: reset
Address output to buffer memory
Ground
Address output to buffer memory
Address output to buffer memory (Not used)
RAS signal output to Buffer memory
Upper byte CAS signal output to Buffer memory
Lower byte CAS signal output to Buffer memory
Data write strobe signal output to Buffer memory
Ground
+5V power supply
Data bus input/output with Buffer memory
Ground
Data bus input/output with Buffer memory
—
—
I/O
—
I/O
—
I/O
—
—
I
O
O
O
O
O
O
O
—
O
O
O
O
O
O
O
—
—
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
I/O
I/O
I/O
I/O
VSS
VDD
XCD
VSS
XREQ
VSS
XIO
VSS
VDD
XRES
MA0
MA1
MA2
MA3
MA4
MA5
MA6
VSS
MA7
MA8
MA9
XRAS
XUCAS
XLCAS
XMWR
VSS
VDD
MDB0
MDB1
MDB2
MDB3
MDB4
MDB5
MDB6
MDB7
VSS
MDB8
MDB9
MDB10
MDB11
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Function Pin No. Pin Name I/O