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S-DV77, S-DV77SW, S-DV77ST
12
A
B
C
D
1
2
3
4
1
2
3
4
3.1 BLOCK DIAGRAM AND OVERALL CONNECTION DIAGRAM
V+12A
V+12R
V–12A
V–12R
V+5A
V+5D
D31
IC51
NJM7812FA
NJM7912FA
Q61/D61
IC52
AKM7067
IC3001
IC3151
IC3161
IC3171
M62446FP
17
11
7
7
7
5
5
5
1
1
1
3
3
3
39
37
1
4
14
2
8,15
7,9,10,13
IC3601
TDA7294V
STK402-240
STK402-040
IC3401
RY3361
RY3361
IC3301
Peripheral
Circuit
RY3661
RY3561
RY3461
RY3461
RLC1
36
35
33
34
32
31
38
40
41
42
V+5D
V+12R
V+B
V–B
V+5A
AC
FDET
XMUTE
RYFS
RYRC
V+5A
V–12R
V–12R
V+BL
V–B
16
9
8
6
1
2
+12V
Reg.
+5V
Reg.
–12V
Reg.
E-VOL
IC
3
Q3092
Q3091
To SIDEL ASSY
IC3621
8
19
18
15
V+B
9
1
13
15
V–B
8
10
11
V+B
9
1
15
V–B
7
6
11
10
7
6
Peripheral
Circuit
FAN DET.
Circuit
13
IC3321
GNDALR
GNDALR
GNDF
Relay Cont.
Circuit
GNDF GNDB
RYFS
RYFR
XMUTE
FDET
V+12R
V+12R
V–12R
AC
RLC1 RLC2
RLC2
RLC2
RLC2
RLC1
RLC1
1A
1A
GND FAN
SWMUTE
SWMUTE
FL
C
SL
SW
FL
FR
C
SL
SR
SW
AMP ASSY ( AWU7827 )
B
CN3702
CN3703
3. BLOCKDIAGRAM AND SCHEMATIC DIAGRAM