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(10) MS2 BOARD BLOCK DIAGRAM
CN4000
VVS OUT
A2
VCK OUT
B2
RESER VED
A3
VHS OUT
B3
A4
VY0
-7
A8
-A12
B4
VUV0
-7
B8
-B12
MSAU L OUT
A15
MSAU R OUT
A16
J
AC DET
A21
TO BM BOARD
SCL
A23
CN3401
SDA
A24
MS INS
B24
MS SOIO0
B26
MS SDIR
B27
MS BS
B28
MS LED
A29
MS SCLK
B29
RESET
A22
VVS
VCLK
VPEN
VHS
-A6
8
VY0
-UY7
-B6
8
VUV0
-VUV7
AC DET
TXD MS
RXD MS
MS INS
MS SDIO
MS DIR
MS BS
MS LED
MS SCLK
Q4001
2
RESET
CLK20M
MS_10M
MS_20M
IC4204
IC4207
IC4205
IC4201
COUNTER
CLOCK GENERATOR
CK
CLK48M
CLK54M
4
2
5
1
6
4
CLK_SEL
1
9
5
MS_SEL
3
15
CLK12M
16
6
IC4206
X4200
2
54MHz
IC4003
AUDIO DAC
4
2
MCKO
1
1
PD
2
IC4005
BICK
AMP
3
3
SDAT
L OUT
1
14
4
2
LRCK
5
5
CKS
R OUT
7
13
16
6
9V
Q4006
Q4007
MUTE
Q4005 Q4004
Q4002
,Q4003
MUTE
MUTE
IC4001
NVM
SDA
5
SCL
6
7
MS2
(CPU)
IC4000
CPU
58
55
59
57
159
2
FA
(A10,A11)
69
-71
155
73
-77
156
2
FA
(B9,B10)
60
161
62
-68
157
2
FA
(C9,C10)
162
158
2
FA
(D9,D10)
139
163
4
FD
(L1-L4)
136
41
-44
137
13
3
FD
(Y1-Y3)
54
10
45
9
BUSCTL(DIR)
46
164
47
38
2
FD(M2,M3)
66
40
48
34
4
FD(N1-N4)
37
3
FD(P1,P3,P4)
30
-32
29
3
FD(R2-R4)
27
25
24
2
FD(T2,T3)
51
22
102
IC4203
103
FLASH ROM
145
FA
(A10,A11)
2
24
,20
FA
(B9,B10)
2
23
,19
FA
(C9,C10)
2
53
18
,22
FA
(D9,D10)
2
88
8
,21
FD
(L1-L4)
4
108
39
,41,43,45
M2
,M3
2
126
34
,36
N1
-N4
4
30
,32,42,44
P1
,P3,P4
3
35
,38,40
R2
,R3
2
31
,33
T1
29
BUSCTL(DIR)
28
D6
95
10
D7
132
48
C11
130
25
C6
-C8
3
131
2
,6,17
B5
-B8
4
193
1
,4,7,16
3
A4
,A6,A7
3
,5,9
J2
26
J4
11
Y10
12
101
10
,20
4
FD(U1-U4)
21
,23
2
FD(V2,V3)
15
,19
3
FD(W1-W3)
134
11
,14
135
18
FD
(AA2)
104
8
3
-5
4
BUS CTL
(BE0-4)
7
168
3
BUS CTL
(BS,CS,RDY)
172
170
150
CLK66M
-RE
166
AA4
46
1
2
IRQ0
,1
2
173
4
DREQ
176
– 92 –
IC4100
CPU
IC4200
SDRAM
10
119
,126
6 SDRAM1
16
11
127
,133
19
31
149
,150
32
152
20
53
157
-159
6
SDRAM2
26
54
166
-168
29
75
142
-144
76
112
,118
35
137
-140
221
,222
223
243
,266
166
,173
2
-5
225
174
,175
7
-11
6
SDRAM4
116
181
-183
13
146
189
,191
42
-45
147
192
,198
47
-53
153
200
134
3
SDRAM3
37
156
109
,94
38
161
,163,164
95
2
SDRAM7
15
170
R2
-R4
102
39
172
T1
-T3
177
,178
179
IC4202
SDRAM
SDRAM1
16
-19
SDRAM2
20
-26
29
-34
SDRAM3
37
,38
2
-5
217
,220
7
-11
238
-242
13
16
SDRAM5
260
-265
42
-45
283
,285
47
-48
286
50
,51
72
53
73
88
2
SDRAM6
15
55
101
39
50
-52
27
-30
4
,6,7
122
124
IC4002
232
SYSTEM RESET
185
TIMER
206
3
Y13
188
235
8
194
,195
AA13
257
201
203
246
45
,89
90
,107
97
106
,113
2
26
248
226
227
210
,252
253
,270
KP-FW46M91
RM-1015

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