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CN2
CN3
CN401
R MPX-1N IN
R MPX-1N OUT
RP
14
14
R MPX-4P IN
R MPX-4P OUT
RP
13
13
CN2
CN3
CN401
R MPX-3M IN
R MPX-3M OUT
12
12
RP
R MPX-2P IN
R MPX-2P OUT
RP
11
11
CN2
CN3
CN401
G MPX-1N IN
G MPX-1N OUT
RP
18
18
G MPX-4P IN
G MPX-4P OUT
RP
17
17
CN2
CN3
CN401
G MPX-3N IN
G MPX-3N OUT
RP
16
16
G MPX-2P IN
G MPX-2P OUT
RP
15
15
CN2
CN3
CN401
B MPX-1N IN
B MPX-1N OUT
RP
22
22
B MPX-4P IN
B MPX-4P OUT
RP
21
21
CN2
CN3
CN401
B MPX-3N IN
B MPX-3N OUT
RP
20
20
B MPX-2P IN
B MPX-2P OUT
19
19
RP
CN2
CN3
CN401
MPX-1 IN
MPX-1 OUT
RP
4
4
CN1
MPX-1 IN
4
NR
CN2
CN3
CN401
MPX-2 IN
MPX-2 OUT
NR
3
3
CN1
+5 V
CN3
CN401
MPX-2 IN
+5 V
NR
3
7, 8
CN6
RP-CSR IN
RP
14
CN6
RV COMP IN
RP
3
CN6
GV COMP IN
RP
2
CN6
BV COMP IN
RP
1
CN5
VD IN
MB-570, 9-17 (HDC-750A)
17
MB-666, 12-A5 (HDC-700A)
CN4
OPB PLS OUT
NR
16
MB-570, 9-18
CN5
(HDC-750A)
CAM BLKG IN
18
MB-666, 12-A6
(HDC-700A)
CN4
R-TEMP+, G-TEMP+, B-TEMP+
3
NR
22-20
R-TEMP_, G-TEMP_, B-TEMP_
3
NR
18, 19, 17
HKC-7080
Block Diagram
CN4
4
IC403
CN404
CN9
R MPX-1N
2
3
R MPX 1N
14
5
5
R MPX-4P
5
6
R MPX -2P
13
2
2
1, 4
CN4
5
IC403
CN404
CN9
R MPX-3N
10
8
R MPX 3N
12
3
3
R MPX-2P
13
11
R MPX -4P
11
4
4
9, 12
IC402
CN403
CN8
G MPX-1N
2
3
G MPX 1N
18
5
5
G MPX-4P
5
6
G MPX -2P
17
2
2
1, 4
IC402
CN403
CN8
G MPX-3N
10
8
G MPX 3N
16
3
3
G MPX-2P
13
11
G MPX -4P
15
4
4
9, 12
CN4
8
IC401
CN402
CN7
B MPX-1N
2
3
B MPX 1N
22
5
5
B MPX-4P
5
6
B MPX -2P
21
2
2
1, 4
CN4
9
IC401
CN402
CN7
B MPX-3N
10
8
B MPX 3N
20
3
3
B MPX-2P
13
11
B MPX -4P
19
4
4
IC404
MPX-1
2
3
9, 12
4
CN4
12
13
IC404
MPX-2
5
6
3
+5 V
+5 V
7, 8
DU-1
IC5, Q9, 10
BUFF.
IC4
1
2
AMP
IC3
5
4
9
IC4
6
7
AMP
IC3
2
15
10
IC4
9
8
AMP
IC3
12
14
11
IC18
1 IC19
2
4
4
2
PA-173/DU-1
PA-173/DU-1
Block Diagram
IC6
DL101
R-NR CH1 IN
3
+
6
1
2
DL
_
R MPX IN
DL103
R MPX -2P
1
DL
RV101
IC7
DL106
R-NR CH2 IN
3
+
6
1
2
DL
_
R MPX 3N
DL109
R MPX -4P
1
DL
G MPX 1N
G MPX -2P
G MPX 3N
G MPX -4P
IC8
DL201
G-NR CH1 IN
3
+
6
1
2
DL
_
B MPX 1N
DL203
B MPX -2P
1
DL
RV201
IC9
DL206
G-NA CH2 IN
3
+
6
1
2
DL
_
B MPX 3N
DL209
B MPX -4P
1
DL
B-NR CH1 IN
B-NR CH2 IN
IC10
DL301
3
+
6
1
2
DL
_
DL303
1
DL
RV301
IC11
DL306
3
+
6
1
2
DL
_
DL309
1
DL
6-3
6-3
R-NR CH1 OUT
R-NR CH2 OUT
IC12
2
25
27
2
28
IC16
19
12
3
6
R-PA OUT
RV104
AMP
2
1
MPX
16
DL111
RV102
2
1
2
30
DL
31
17
RV103
R MPX 1N
10
R MPX-2P
8
R MPX 3N
7
R MPX-4P
9
14
G-NR CH1 OUT
G-NR CH2 OUT
IC13
2
25
27
2
28
DL210
IC15
19
12
3
6
G-PA OUT
RV204
DL
AMP
2
1
MPX
16
DL211
RV202
2
1
2
30
DL
31
17
RV203
G MPX 1N
10
G MPX-2P
8
G MPX 3N
7
G MPX-4P
9
14
B-NR CH1 OUT
B-NR CH2 OUT
IC14
2
25
27
2
28
IC17
19
12
3
6
B-PA OUT
RV304
AMP
2
1
IC1
MPX
16
DL311
RV302
REF-V
2
1
2
30
DL
+5 V
IC2, Q1, 2
+5 V
31
REG.
17
RV303
+5 V OUT
_5 V OUT
B MPX 1N
10
IC2, Q3, 4
B MPX-2P
8
_5 V
B MPX 3N
7
REG.
B MPX-4P
9
14
_5 V
OPB PLS
3
R-TEMP+, G-TEMP+, B-TEMP+
3
R-TEMP_, G-TEMP_, B-TEMP_
CN6
4
RP
5
RP
MB-570, 9-4
CN5
(HDC-750A)
4
MB-666, 12-B4
(HDC-700A)
CN6
8
RP
9
RP
MB-570, 9-8
CN5
(HDC-750A)
8
MB-666, 12-B3
(HDC-700A)
CN6
12
RP
13
RP
CN5
MB-570, 9-12
(HDC-750A)
12
MB-666, 12-B2
(HDC-700A)
CN1
+5.5 V
19, 20
NR
CN5
MB-570, 9-15 (HDC-750A)
15
DR-308, 1-15 (HDC-700A)
16
MB-570, 9-16 (HDC-750A)
DR-308, 1-16 (HDC-700A)
CN1
_5.5 V
21, 22
NR
CN6
16
RP
CN6
VD OUT
11
RP
PRE BLK
15
RP
CN6
22-20
RP
18, 19, 17
RP
PA-173
DU-1
HKC-7080
HDC700A-PA173-BLOCK/M
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