C7R
C6R
C5R
C4R
C3R
C2R
C1R
C07
Y7R
Y6R
Y5R
Y4R
Y3R
Y2R
Y1R
Y0R
CGC7
CGC6
CGC5
CGC4
CGC3
CGC2
CGC1
CGC0
CGY7
CGY6
CGY5
CGY4
CGY3
CGY2
CGY1
CGY0
CGK7
CGK6
CGK5
CGK4
CGK3
CGK2
CGK1
CGK0
109
110
113
114
117
118
121
122
125
126
129
130
133
134
137
138
61
62
63
64
65
66
67
68
53
54
55
56
57
58
59
60
39
40
44
48
49
50
51
52
1
2
3
4
5
6
7
8
KEY7
KEY6
KEY5
KEY4
KEY3
KEY2
KEY1
KEY0
CN1
FROM
MIXER
BOARD
(3/4)
U886 D-FFs
MIXER BOARD
CN2
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
1
5
9
13
17
21
25
29
33
37
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
CN3
36
40
72
76
+12V
+12V
-12V
-12V
CN2
24
28
+12V
+12V
CN1
CN4
4
6
7
8
16
18
19
20
2
3
KS3D7
KS3D6
KS3D5
KS3D4
KS3D3
KS3D2
KS3D1
KS3D0
S3D1
S3D0
CN3
54
55
56
58
59
60
S3D7
S3D6
S3D5
S3D4
S3D3
S3D2
+5V
TP3
F203
+12V
TP4
F204
-12V
D0
|
D7
CP
2-9
C0B-C7B
C0C-C7C
C0C-C7C
Y0B-Y7B
Y0C-Y7C
Y0C-Y7C
CGC0-7
CGY0-7
CGK0-7
KEY0-7
12-19
11
2-9
11
1
12-19
1
2-9
11
12-19
1
2-9
11
12-19
1
Q0
|
Q7
OE
U888 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
U893 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
U894 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
YCLK1
YCLK1YCLK1
YCLK1YCLK1
YCLK1
YCLK1
S3+S4
FILY0-7
FILC0-7
S3+S4
YCLK1
YCLK1
U880 D-FFs
D0
|
D7
CP
12-19
C0R-C7R
Y0R-Y7R
CGC0-7
CGC0-7
CGY0-7
CGK0-7
KEY0-7
CGY0-7
CGK0-7
KEY0-7
2-9
12-19
1
11
2-9
11
12-19
1
2-9
12-19
1
2-9
11
Q0
|
Q7
OE
YCLK1
YCLK1
11
U882 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
U12 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
U13 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
S4
S8
YCLK1
PGM0-7
U883 D-FFs
D0
|
D7
CP
2-9
12-19
11
2-9
11
1
12-19
1
Q0
|
Q7
OE
U881 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
KEY0-7
1
S4
S5
11
2-9
12-19
1
U884 D-FFs
U903,U904
SELECTOR
U907
BUS BUFFER
U902
D0
|
D7
CP
Q0
|
Q7
OE
U905 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
11
2-9
12-19
CGY0-7
CGC0-7
FILC0-7
FILY0-7
CGK0-7
CGY0-7
CGC0-7
1
U891 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
11
2-9
12-19
1
U885 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
11
2-9
12-19
1
U890 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
11
2-9
12-19
1
U892 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
11
2-9
12-19
1
U895 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
11
2-9
12-19
1
U889 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
11
2-9
12-19
1
U887 D-FFs
D0
|
D7
CP
Q0
|
Q7
OE
S5
S5
S6
S4
S8
S5
S5
S4
S4
S4
S5
S6
S5
YCLK1
A
A1
|
A4
A5
|
A8
Y1
|
Y8
CGY0-7
FILC0-7
FILY0-7
PGM0-7
KEY0-7
CGC0-7
CGK0-7
Y
B
24
2-9
12-19
KS3D0-7
1
YCLK1
U879
24
YCLK1
Y2CLK
S3D0-7
KS0-3
YCLK1
YCLK1
OE1,2
U906
BUS BUFFER
U901
Y1
|
Y8
A1
|
A8
OE1,2
42
U908
BUS BUFFER
Y1
|
Y8
A1
|
A8
OE1,2
TO/FROM
MIXER
BOARD
(2/4)
FROM
MIXER
BOARD
(2/4)
FROM
MIXER
BOARD
(1/4)
11
1,19
11-18
11-18
2-9
6-9
1,19
1,19
2-9
11-18
S3D0-7
2-5
U17
U898
U899
4
1
2
4
4
2
1
2
S3
S4
S5
S6
S8
U896
42
U897
42
S3+S4
S3+S4
TO
MIXER
BOARD
(1/4-3/4)
+12V
+12V
-12V
-12V
+5V
+5V
BLOCK DIAGRAM OF MIXER BOARD (4/4)
– 24 –