Service Manual

No. 1/0
Name
Functfon
113 0
I
SIRQL
SH uP
lower byte (A-BUS) interrupt signal
114
I
0
BCK
Audio serial data sync clock
115
0
LRCK
Audio L!R channel switching signal
116
-
vee
I
Power supply
117
0
SD
Audio serial data
118
i
0
SUBCK
Subcode
input clock
119
I
- vee
Power supply
120
I
-
vss
Ground
121
I
CFCKO
Frame sync signal
122
I SUBOUT
CD subcode data
123
I SI
Subcode
block sync signal
124
I
DAS
CD-DA audio serial data
125
I
CKX
CD audio serial data sync clock
126
I
MPX
CD audio L!R channel switching signal
127
-
VSS
128
I
C2F
C2 error flag
129
I
'
SMPX
CD-ROM
data byte sync signal
130
I SDAS
CD-ROM
serial data
131 I
SCKX
CD-ROM
serial data bit sync signal
132
-
vss
Ground
133
-
vee Power supply
134
- vss
Ground
135
ATIM1
A-BUS timing control signal
136
I
ATIMO
137
I
I
ARD
A-BUS read signal
138
-
VSS Ground
139
I
AFCO A-BUS timing control signal
140
I
AWRO A-BUS lower byte write signal
141
I
AWR1 A-BUS upper byte write signal
142 I
AFCl A-BUS timing control signal
143
-
vss Ground
144
0
AWAIT A-BUS wait control signal
145
0
AIRQ
A-BUS interrupt signal
146
-
T
Test signal for scan pass
147
ADO
148
I
AD!
A-BUS data bus
149
-
vee
Power supply
150
-
vss Ground
151
AD2
152
I
AD3
A-BUS data bus
153 AD4
154
ADS
155
-
VSS Ground
!56 AD6
157 AD7
158
I
AD8 A-BUS data bus
159
AD9
160
ADlO
161
-
vee Power supply
162
-
VSS Ground
163
ADII
164
AD12
165
I AD13
A-BUS data bus
166
ADI4
167
AD15
168
-
vss Ground
-69-