Power Amp Assy (2/2) - Pioneer VSX-1018AH-K Service Manual

1

10.22 POWER AMP ASSY (2/2)

A
V+12A
*Q5700
DTC114TUA
RYVL
MAIN
V-12A
TRANS
VH_a
1
B
2
VL-H_a
3
VL-L_a
GND 4
VL-L_b
5
VL-H_b
6
VH_b
7
CN5701
B7P-VH
GAMP
C
D5721
1SS352
1SS352
JP5752
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
AREG
1
U
G-AREG 2
CN4071
G-AREG
3
AREG 4
F
R 2/2
126
1
2
P
CN4701
JP5701
1
GREEN
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
! C5751
D5752
2200u/25
1SR154-400
D5753 !
C5752
2200u/25
1SR154-400
!
D5754
1SR154-400
VREG-
2
3
P
CN4701
ADX7651-A
JP5701_2
ADX7651-A_2
BLUE
1
C5725
0.47u/100
RED
C5726
0.47u/100
1
JP5701_3
C5729
ADX7651-A_3
0.47u/100
C5730
0.47u/100
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
2C
6 1
Q5702
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
3
COM
2
OUT
IN
1
!
IC5752
NJM79M12FA
GNDSG
GNDA
VSX-LX51
3
4
VL+
TS
TS
1 1
TS
TS
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
VH-
1C
D5720
2B
UDZS13(B)
2E
V-12A
JH5951 JH5953
VEF1040-A VEF1040-A
TP5951
V+12TRG
GNDTRG
GNDA
V+12A V+12T
V+12A
GNDA
V-12A
4
JP5722
JP5722_1
ADX7650-A
ADX7650-A_1
GNDSP
TP5953