Block Diagram And Overall Connection Diagram; Blockdiagram And Schematic Diagram - Pioneer S-DV77 Service Manual

1
S-DV77, S-DV77SW, S-DV77ST

3. BLOCKDIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM AND OVERALL CONNECTION DIAGRAM

A
B
C
GNDF
D
12
1
2
IC3601
TDA7294V
14
1
IC3621
6 7 10 11
IC3401
STK402-240
1
Peripheral
Circuit
RY3361
RLC1
10
RY3361
11
RLC1
RLC1 RLC2
V+12R
V+12R AC
V–B
RYFS
FDET
FAN DET. Relay Cont.
RYFR
Circuit Circuit
XMUTE
GNDF GNDB
V–12R
B
AMP ASSY ( AWU7827 )
2
3
GNDALR
V+B
XMUTE
7,9,10,13
RYFS
RYRC
SWMUTE
2 V+12R
V+5A
4 8,15
V–B
1A
FDET
AC
V+B
18 19 8
15
15 13 9
V–12R
V–B
V+B
8
6 7
IC3301
V–B
1
STK402-040
13
9 15
1A
V+BL
IC3321
Peripheral
Circuit
GNDALR
3
4
To SIDEL ASSY
CN3703
CN3702
IC3151
5
7
3
1
IC3161
7
5
FR
C
1
3
SL
SR
SWMUTE
SW
IC3171
1 3
7 V+5D
5
V+5A
V–12R
GND FAN
AKM7067
V+5A V+12A
V+5D V+12R
IC51
Q61/D61
+5V
Reg.
IC52
V–12A
V–12R
4
T
1
IC3001
FL 7
FL
31
17
E-VOL
32
16 FR
IC
33
34 C
11
1
35
SL
36
M62446FP 9
37
8
SR
38 7
SW
6
39
3
40 1
2
41
1
42
7
Q3092
Q3091
D4
D3SB
D3S
D11
D31
S1WB(A)60S
+12V
Reg.
NJM7812FA
–12V
Reg.
NJM7912FA
AF