Power Amp Assy (2/2) - Pioneer VSX-03TXH Service Manual

1

10.21 POWER AMP ASSY (2/2)

QQ
3 7 63 1515 0
A
V+12A
*Q5700
DTC114TUA
RYVL
V-12A
MAIN
TRANS
VH_a
1
B
VL-H_a 2
VL-L_a 3
GND 4
VL-L_b
5
VL-H_b
6
VH_b
7
CN5701
B7P-VH
GAMP
C
D5721
1SS352
1SS352
JP5752
TE
L 13942296513
NM
JP5753
1
NM
2
3
1
4
2
5
3
6
4
D
7
8
GNDSG
GNDA
9
10
JP5751
NM
1
2
3
4
5
6
7
E
8
JP5750
PF04PG-R50
1
U
2
CN4071
3
www
4
F
R 2/2
124
1
http://www.xiaoyu163.com
2
1
P
GREEN
CN4701 BROWN
1
JP5701_1
ADX7651-A_1
D5703
S1WB(A)60SD-TRB
1
! !
P5001
2 1 - +
AEK7021-A
7A
2
!
P5002
2 1
AEK7021-A
7A
D5722
GAMP
GAMP
V+12TRG
GNDTRG
GNDA
V+12T
V+12A
V+12A
GNDA
V-12A
VREG+
GNDSG
GNDA
GNDA
VREG-
VREG+
D5751 !
1SR154-400
D5752 ! C5751
2200u/25
1SR154-400
D5753 !
1SR154-400
!
D5754
x ao
1SR154-400
y
VREG-
. i
2
http://www.xiaoyu163.com
3
8
JP5701
ADX7651-A
JP5701_2
ADX7651-A_2
BLUE
1
RED
1
JP5701_3
ADX7651-A_3
1WLMF 1/2WLMF
! !
R5701 R5703
3.3k
4.7k
Q5701
1 E1 C1
B2
2
B1
3
C2 E2
RN1901
UMD2N
1E 4
3
1B
5 2
Q Q 2C
6 1
Q5702
3 6 7
UMD2N
1E 4
3
1B
5 2
2C
6 1
Q5703
R5702 R5704
3.3k
! 4.7k !
1WLMF 1/2WLMF
12VTRG
*D5763
NM
*IC5763
BA178M12FP
!
IC5751
NJM78M12FA
!
1
IN OUT
3
COM
2
C5752
2200u/25 3
COM
2
IN OUT
1
u163
!
IC5752
NJM79M12FA
GNDSG
GNDA
VSX-03TXH
3
4
2 9 9 4
P
CN4701 VL+
TS
C5725
0.47u/100
TS
C5726
0.47u/100
1 1
TS
C5729
0.47u/100
TS
C5730
0.47u/100
GAMP
JP5721
ADB7021-A
VL-
NECK6
NECK8
JP5723
JP5723_1
ADX7461-A
ADX7461-A_1
1 1
6
VH+
5
4
1C
D5719
2B
UDZS13(B)
2E
1 3 1 5 0 5 8 2 9
VH-
1C
D5720
2B
UDZS13(B)
2E
V-12A
JH5951 JH5953
VEF1040-A VEF1040-A
TP5951
+--------+-----------+
| | AWX8983 |
V+12TRG
+--------+-----------+
| C5761 | 0.01u |
+--------+-----------+
| C5762 | 10u |
+--------+-----------+
| IC5763 | BA178M12FP |
+--------+-----------+
| D5761 | RB501V-40 |
+--------+-----------+
| D5762 | NM |
GNDTRG
+--------+-----------+
GNDA
| D5763 | NM |
+--------+-----------+
V+12A V+12T
V+12A
m
GNDA
co
V-12A
.
4
2 8
9 9
JP5722
JP5722_1
ADX7650-A
ADX7650-A_1
GNDSP
9 4 2 8 9 9
TP5953