27
18
7
30
45
42
41
38
37
34
33
30
29
26
25
35
EMPTY
STBD
STBC
D0
D1
D2
D3
D4
D5
D6
D7
STB3
1
5
L1+IN
L1–IN
9
13
R1+IN
R1–IN
17
21
L2+IN
L2–IN
25
29
R2+IN
R2–IN
33
37
41
45
L3IN
R3IN
L4IN
R4IN
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
AMP
3
2
AMP
5
7
1
1
7
6
AMP
AMP
AMP
5
6
AMP
3
2
3
5
3
5
P2
U18
SELECTOR
U113(b)
U113(a)
U43
U22(a)
U133(a)
U133(b)
U148
U132(b)
U132(a)
U22(b)
U21(a)
U21(b)
U20
U50 BUS BUFFER
U19
P2
P2
P2
31
51
IRQA
CMDA
P2
P2
P1
P1
U27
LOGIC CONTROL
U28
10
15
2
7
11
9
14
16
3
1
6
8
U17
SELECTOR
U16
3 8
DECODER
U6
TRANSCEIVER
10
15
2
7
Y1
Y2
Y3
A1
|
A8
B1
|
B8
A1
A2
A3
11
9
14
16
3
1
6
8
AMP
FS64
U130
U7
A/D CONVERTER
U144
SELECTOR
1
3
15
1
14
13
12
Y0
A0
A1
A2
Y1
Y2
Y3
2
3
Q6
Q7
U145
SELECTOR
10
15
2
7
11
9
14
16
3
1
6
8
U131
SELECTOR
R266
(INPUT-R)
U15(b)
U136
3 8
DECODER
10
15
2
7
11
9
14
16
3
1
6
8
15
1
14
13
12
Y0
A0
A1
A2
Y1
Y2
Y3
2
3
OQE0
OQE1
1
7
1
7
AMP
7
5
15
FS
14
CK12
20
Q4
Q5
AINL
L/R
SCLK
CLK
16
SDATA
AINR
APD
DPD
27
6
10
2
4
1
2
62
57
64
125
TP26
DIR7
DIR8
FS16
ADS/DATA
4
GARES
ADAT10
CK12
DREQ0
AVP
CK12
nFS64
nFS
FS
HD
RSTIN
D0-D7
EMPTY
Q0
Q4
CLK10
GARES
1
2
U71 FIFO
94
JRST
SD0
SD1
SD2
3
6
8
SD0-SD7
SD8-SD15
2
5
9
+5V
OE1 OE2 OE3 OE4
14
1
0
11-18
13
2-9
DQ0-DQ7
DQ0-DQ7
DQ8-DQ15
1
19
DIR
EN
U5
SRAM
DQ1
|
DQ8
U75
TRANSCEIVER
A1
|
A8
B1
|
B8
2-9
1
19
DIR
EN
TP38
TP7
TP8
TP9
TP5
TP6
TP101
TP45
TP46
TP47
TP102
TP37
TP34
11-18
182-189
D8-D15
D0-D7
EN0
190-197
DQ0-DQ7
A0-A11
OE
W
22
27
155
156
OE2
W2
3-10,21
23-25
157-159
162-170
SSA0
|
SSA11
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
IOR
IOW
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
IOR
IOW
69
70
71
73
74
75
77
78
79
102
106
P1
U40 D-FFs
U127
U141
U143
U142
U102
BUFFER
P1
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
7
6
5
3
1
SDO
SDI
ISPEN
MODE
SCLK
EI4
RSTRDY
HD
28.6M
VP
98
99
101
107
12
11
9
8
7
6
5
4
3
2
1
I/O
IOW
IOR
17
16
15
199
202
IOW
IOR
IOW
IOR
11-13
15-19
198
205
204
206
142
138
141
ERR
CINT
RSTRDY
HD
CK27
AVP
ERR
CINT
RSTRDY
HSYNC
CLK27
VSYNC
TP103
4
5
10
9
12
13
6
8
11
CK
D0
D1
D2
D3
D4
D5
D6
D7
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
2
5
6
9
12
15
16
19
Q0
Q1
Q2
Q3
Q4
11
3
4
7
8
13
14
17
18
STBC
D0
D1
D2
D3
D4
D5
D6
D7
RST
U146 D-FFs
CK
D0
D1
D2
D3
D4
RST
1
2
4
1
RSTIN
11
3
4
7
8
13
STB3
D0
D1
D2
D3
D4
1
LOD
QH
CK1
CK2
A-H
1
9
2
15
U66 SHIFT REGISTER
3-6
11-14
AR1
AR2
56
57
69
55
CH13
CH24
FS
FS2
FS128
115
114
116
SOUT0
SOUT1
FS
12
34
nFS2
FS128
56
TP123
TP39
U129(b)
U129(c)
U129(a)
U68 DRAM
U67 DSP
FS64
TP3
TP124
TP16
TP17
TP21
TP33
TP121
TP15
TP12
TP10
TP13
TP11
U128
TP4
TP2
TP1
TP23
TP24
TP106
TP105
TP104
TP42
FS64
118
DQ0
|
DQ15
A0
|
A11
W
RAS
UCAS
LCAS
OE
2-5,7-10
33-36
38-41
18-21
24-31
34-37
15-20
23-28
1-6
93-96
99,100
13
14
30
31
92
88
89
2
42
9
WE
RAS
CAS
86
84
63
54
59
58
RS
MUTE
CS
EMPTY
HR
HRBCK
SDSY
CDO
CKI
W/R
CS
A1
A2
A3
A5
A6
A7
Y1
Y2
Y3
Y5
Y6
Y7
SDI
BCI
CDI
MCLK
IC
AVOL
FS16
AEN6
ED0
|
ED15
EA0
|
EA11
AX1
ADR00
|
ADR09
36-39
42-47
17-20
23-28
50
48
49
WO
RAS0
CAS0
13
14
30
U72 DRAM
A0
|
A9
DQ0
|
DQ7
DQ8
|
DQ15
W
RAS
UCAS
LCAS
OE
29
2-5
7-10
33-36
38-41
FD0-FD7
A
B
C
D
E
F
G
A
B
C
D
E
F
G
FD8-FD15
123
124
4
2
4
2
4
2
4
2
LPF
Q30
U73
X3
U74
U106
U107
CK12
VPC
RSTIN
RDEN
DACK0
DREQ0
WR
RD
INT
PA0-PA4
FD0-FD7
FD8-FD15
12-19
3-10
FD0-FD7
FD8-FD15
218
217
214
210
215
216
219
128
154
222-226
4
5
1
2
9
10
TP43
TP40
TP41
TP44
6
3
8
+5V
U23(b)
U23(a)
U23(c)
U51
FL2
U52
REC/LVLR
LVR
32-39
DMD0-DMD7
DMD8-DMD15
FD8-FD15
FD0-FD7
41-48
26
27
52
1
2
7
2
3
1
14
16
11
9
6
8
2
44
5
72-76
82-89
DQ0-DQ7
DQ0-DQ7
DQ0-DQ7
DQ8-DQ15
IOWR
IORD
DREQ
WR
RD
INT
CLK
A0-A4
D0-D7
RESET
U53
SCSI INTERFACE
6
6
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DBP
L10
L12
L14
L16
L18
L11
L13
L15
L17
L19
L21
L23
L25
L27
L20
L22
L24
R712
22
20
19
18
17
13
12
11
9
ATN
BSY
ACK
RST
MSG
SEL
C/D
REQ
I/O
71
69
68
67
63
62
61
60
58
18
19
20
21
22
23
3
4
5
6
17
16
15
12
11
10
9
8
L9
L8
L7
L6
L5
L4
L3
L2
L1
L10
L11
L12
L13
L14
L15
L16
L17
L18
U26
SCSI TERMINATOR
OUT
VCC
GND
7
4
+5V
1
1
1
1
U37
VOLTAGE
DETECTOR
2D
2CK
2Q
2Q
1D
1CK
1Q
1Q
12
11
U54(b) D-FF
U54(a) D-FF
9
8
5
6
2
3
CLK10
AVP
nFS64
RSTIN
TP18
Y0
|
Y7
A0
|
A7
GC
K
U62 D-FFs
Y0
|
Y7
A0
|
A7
GC
K
U122 D-FFs
Y0
|
Y7
A0
|
A7
GC
K
U124 D-FFs
Y0
|
Y7
A0
|
A7
GC
K
U126 D-FFs
Y0
|
Y7
A0
|
A7
GC
K
U61 D-FFs
Y0
|
Y7
A0
|
A7
GC
K
U121 D-FFs
Y0
|
Y7
A0
|
A7
GC
K
U123 D-FFs
Y0
|
Y7
A0
|
A7
GC
K
U125 D-FFs
2-9
2-9
12-19
2-9
2-9
12-19
2-9
2-9
12-19
2-9
2-9
12-19
11
11
11
11
11
11
11
11
B
A
1
1
1
1
12-19
12-19
12-19
12-19
LVL
LVR
SDATA
BICK
XTI
LRCK
RST
AOUTL
AOUTR
VD+
VA+
VA–
48
SDATA
CK12
nFS
Q4
U42
D/A CONVERTER
Q3,Q27-Q29
18
19
14
20
9
MUTE SIGNAL
GENERATOR
MUTE
+12V
AMP
AMP
AMP
AMP
2
26
16
3
5
U38(b)
U39(b)
U31(b)
U30(b)
5
7
6
7
5
7
6
7
TP49
TP48
L
R
A+5V
REGULATOR
A–5V
REGULATOR
Q2
+5V
REGULATOR
Q25
Q1
AUDIO BOARD
BLOCK DIAGRAM OF AUDIO BOARD
–5V
REGULATOR
Q26
A+5V
+12V
LCL6
LCL4
-12V
A–5V
+5V
–5V
F2
F3
+5V
F1
P1
100
104
108
112
116
120
+5V
+5V
+5V
+5V
+5V
+5V
P2
36
40
72
76
+12V
+12V
–12V
–12V
P2
81
85
LOUT
ROUT
AMP
MUTE
L30
L31
MUTE
U32(a)
Q5
Q7
AMP
U32(b)
3
L
6
3
6
3
R
6
3
6
1
7
AMP
MUTE
L32
L33
MUTE
U33(a)
Q9
Q11
AMP
U33(b)
1
7
AMP
MUTE
L34
L35
MUTE
U34(a)
Q13
Q15
AMP
U34(b)
1
7
AMP
MUTE
L36
L37
MUTE
U35(a)
Q17
Q19
AMP
U35(b)
1
7
AMP
MUTE
L38
L39
MUTE
U36(a)
Q21
Q23
AMP
U36(b)
1
7
R245
(UNBAL-L)
R247
2
6
P2
113
117
R2+OUT
R2–OUT
P2
105
109
L2+OUT
L2–OUT
P2
97
101
R1+OUT
R1–OUT
P2
89
93
L1+OUT
L1–OUT
P1
13
14
15
17
18
19
21
22
23
ATN
BSY
ACK
RST
MSG
SEL
C/D
REQ
I/O
P1
11
10
9
7
6
5
3
2
1
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DBP
Q1
Q2
(UNBAL-R)
14
31
U138 SELECTOR
2
L
R
15
10
7
3
1
14
16
11
9
6
8
U139 SELECTOR
2
15
10
7
AMP
U30(a)
AMP
31
1
3
U31(a)
U147
3 8
DECODER
AXLR1
AXLR2
CLKIN
ARLR1
ARLR2
ARBC1
ARBC2
AXBC1
AXBC2
FS2
78
79
46
47
67
68
117
119
1
15
14
13
12
Y0
A0
A1
A2
Y1
Y2
Y3
2
3
QE2
FS64
CK12
RSTIN
QE3
AMP
AMP
67
8
+12V
+5V
BUFFER
1
2
57
6
2
AMP
7
AMP
1
U135(a)
U135(b)
U134(b)
U134(a)
AMP
BUFFER
1
2
7
5
6
2
AMP
7
AMP
1
+5V
REGULATOR
3
1
R263
(INPUT-L)
U15(a)
U137
U105
DIGITAL POTENTIOMETER
AMP
IN2
IN1
21
9
VC2
VC1
OUT2
OUT1
15
2
16
6
15
4
+5V
14
3
W0
W1
H0
H1
DIN
CLK
EN
11
9
8
AVOL
FS16
ANE
STBC
STB3
STBD
LD
PSCK
QE4
RST
Q0
Q1
Q2
(SCLK)
(ISPEN)
(SDI)
(MODE)
(SCLK)
(SDO)
(ISPEN)
(MODE)
RSTIN
Q0
Q1
Q2
1
2
3
13
12
38
9
43
42
41
Q5
Q6
Q7
QE2
QE3
DSPCS
SCK
QE0
QE1
19-26
31-38
LRCVK
LLCVK
CK10
CK10B
5
10
SPCK
(SDO)
TLVLMD
SPRST
SPCK
(SDI)
SELR
NSCK
LVWR
LVLSC
LVRCS
23
20
21
19
CK
WR
LCS
RCS
STBC
STBD
STB3
16
18
31
22
24
14
15
A
B
3
5
8
4
44
43
2
5
A
B
A
B
6
9
12
TP20
TP19
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
P1
109
113
114
111
119
122
TO
MOTHER
BOARD
7
8
30
DO0-DO7
DO8-DO15
NFS2
OQE0
OQE1
nFS2
OQE0
OQE1
FS
FS
FSDO
SDIL
SDIR
13
16
10
11
D0-D7
D8-D15
FSO
F2SO
U151
SDSY
CDO
CKI
W/R
CS
SDI
BCI
CDI
MCLK
IC
4
5
13
16
7
4
5
13
16
7
14
1
2
2
15
12
10
9
2
15
12
10
9
LCS
CK
WR
RCS
42
41
ADAT10
FS64
FS128
ADAT1
FS64
FS128
FS
DIGCS
ADAT2
2
3
4
6
7
8
18
17
16
14
13
12
2
3
4
1
27
– 19 –