Regulator Assy - Pioneer VSX-56TXi Service Manual

1

3.21 REGULATOR ASSY

REGULATOR ASSY
Z
(VSX-56TXi : AWX8457)
A
(VSX-54TX : AWX8459)
V+15A
CN2401
52147-0810
REG B
1
REG G
2
REG B
3
A+15V
4
B
A-15V
5
STG
6
ST+5.6V
7
WU
W/UP
8
VREG
VG
VREG
DSP B
DSP B
C
FL1
FL2
CN2402
51048-0700
D
CN2403
KM200TA4
W2520
12V TRG
1
W2521
2
12V DET
W2522
3
REG G
W2529
+B
4
E
F
Z
66
1
2
- MARKS
C2401
ACH7191 CEAT222M16
V+5_6ST C2402
C2433 ACH7192 CEAT472M16
D2401
1SR154-400
D2402
1SR154-400
D2403
1SR154-400
D2404
1SR154-400
D2407
V-15A
1SR154-400
D2408
1SR154-400
D2409
1SR154-400
D2410
1SR154-400
+43.7V
NP
D2418
R2403
120
1SR154-400
MUF
+11.4V
D2415
R2401
47
MUF
D3SBA20
VSX-56TXi
ONLY W2433
12VTRG
Q2402
12VDET
R2402
47
MUF
H
CN4401
2
3
CAUTION : FOR CONTINUED PROTECTION AGAINST
IC2401
+24.5V
NJM78M15FA
IN
1
2
-25.1V IN
+11.4V
IC2402
NJM79M15FA
IC2405
NJM78M05FA
IN
1
2
-11.4V
1
2
IN
IC2406
NJM79M05FA
IC2407
NJM78M56FA
IN OUT
1 3
2
CQMBA
Q2401
2SA1803(RO)
+5V
V+5D
IC2409
NJM78L05A
IN OUT
3 1
2
W2459
2SA1803(RO)
+5V
IC2410
NJM78L05A
W2460 IN OUT
3 1
1 3
2 4
I
VSX-56TXi
3
4
RISK OF FIRE. REPLACE ONLY WITH
SAME TYPE NO. 491.315 MFD, BY
LITTELFUSE INK. FOR IC2411.
W2431
+15V V+15A
L2401
OUT
3
RTF1167
2
STBY
W2448
W2446
V-15A
1
L2402
3
IC2404
OUT RTF1167
-15V
NJM78M05FA
STBY
100mA IN OUT
1 3
V+5_0V
2
IC2411
+5.0V
AEK7003
OUT
315mA
3
3
-5.0V
OUT
V+5_6U
+5.6V
V-5_0V
+41.8V
C2444
0.1
Y2401
ADX7420
C2445
STBY
V+5I
KN2401
VNF1084
V-15A
V-5.0V
V+15A
V+5.0V
5 7 9 11
6 8 10
G
CN1803
CN3201
4
IC2403
NJM78M12FA
IN OUT
1 3
W2429
2
W2430
V+5AD
+5V
C2424
R2410
100k
0.047
W2487
stby