Power Supply Section - Pioneer VSX-1015-S Service Manual

1

3.1.4 POWER SUPPLY SECTION

Power Supply Block
A
W1006
FU1
LIVE
1
B
2
NEUTRAL
CN1001
4
3
1
C
TRANS 1
AE
ASSY
D
E
F
24
1
2
PRIMARY
AF
ASSY
T1001
IC1001
NJM78M56FA
REG.
D1001
RY1001
Y14 Y15
IC2201
D2201
8
11
12
13
IC2202
10
TRANS 2-1
X
ASSY
V-12A
C2215 D2217
FU4
14
15
FU5
16
IC2251
REG V
23 1 1
REG VG
2 2
24
IC2252
REG V
3 3
25
IC2253
REG D
4 4
26
REG D
5 5
27
AC1
6 6
28
AC2
7 7
29
CN2302
2250
TRANS 2-2
Y
ASSY
TRANS SIDE
AD
ASSY
VSX-1015-K
2
3
AB
PS/SP ASSY
4 11 12
CN2004
V+12A
V-12A
3 3
CN1002 CN2003
Y11 Y12
D2241 D2242
Y9
Y10
Q2234
+C
6 6
REG.
-VH
4 4
-C
1 1 REG.
-VH
3 3
Q2233
CN2205
2205
+VH
5
-VH
4
V-12A
1
CN2201
-VF
4 4
D2501
REG B
D2504
3
3
G REG
2 2
REG B
1
1
CN2202
2502
2503 2504
REG V
1
1 3
REG VG
2
2 4
REG V
3
3 5
REG D
4
4
REG D
5 5
AC1
6
6
AC2
7 7
CN2505
2303
3
4
POWER AMP-L
S
ASSY
2001
1
VL+ VH+
4
Y5
VH-
1
VL-
3 1 2 3 4
CN4501
CN2002
CN4001
13 12 11 10
4001
N
1
+VH
2
-VH
5
V-12A
Q
POWER AMP IN ASSY
REGULATOR
W
ASSY
IC2501
NJM78M12FA
REG.
AA
IC2502
NJM79M12FA
REG.
C2217, C2518 D2515
IC2504
NJM79M05FA
REG.
FU2501
D2507
3
IC2503
4
NJM78M56FA
5 REG.
FU2502
D2521
IC2506
NJM78M05FA
V+5AD
REG.
IC2507
NJM78M05FA
V+5D
REG.
4
+VL
-VL