D-Main Assy (12/12) - Pioneer VSX-1020-K Service Manual

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10.18 D-MAIN ASSY (12/12)

A
5267-04A (MOLEX)
C N 1 9 0 0
A K M 7 1 5 3 - 1
1
V+13_UN
2
V+13_UN
GNDD 3
GNDD 4
B
V E F 1 0 4 0 - A
C
D
E
1
V+5R6_U
2
GNDU
3
V+5_AD
4
GNDAA
C N 1 9 0 3
A K M 7 1 1 1 - 1
20010WS-04A00 (YEONHO)
F
N
12/12
98
1
2
V+13_UN
GNDD
L 1 9 0 4
J H 1 9 0 0
A T L 7 0 1 0 - A
L 1 9 0 0
A T L 7 0 1 0 - A
R 1 9 1 8
1 0 0
V+5R6_U
C 1 9 9 3
1 0 0 0 p / 5 0
V+5_AD
C 1 9 9 4
1 0 0 0 p / 5 0
GNDU
GNDAA
The > mark found on some component parts
indicates the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts
of identical designation.
2
3
C1902
NM
C 1 9 1 8
N M
C 1 9 0 3
10u/25
C C G 1 1 9 5 - A
C 1 9 0 4
C C G 1 1 9 5 - A
10u/25
IC1900
TPS54350PWP
0 . 1 u / 5 0
(1608)
1 16
VIN1 BOOT
2 15
VIN2 PH2
3 14
UVLO PH1
4 13
PWRGD LSG
C 1 9 0 9
5 12
RT VBIAS
6 11 1 u / 1 6
SYNC PGND
7 10
ENA AGND
8 9
COMP VSENSE
POWERPAD
17
YB
C 1 9 0 6 R 1 9 0 6 R 1 9 1 7
0.015u/50
1 k 0
R 1 9 0 7
(1608)
N M
C 1 9 0 7
6 8 0 p / 5 0
(1608) CH
V+13_UN
R 1 9 9 9
1 S S 3 5 5
4 . 7 k
D 1 9 9 7
D1998
DAP202U
VSX-1020-K
3
4
R 1 9 1 5 N M
(1608)
L 1 9 0 2
A T L 7 0 1 0 - A
L 1 9 0 3
A T L 7 0 1 0 - A
YB
C 1 9 0 8
SC1045R-330M
A T H 7 0 8 3 - 1
33u
Q1900
L 1 9 0 1
1 6
D 1
D 4
2 5
D 2
D 3
3 4
G
S
RTQ045N03
GNDD
V+13_UN
V+5R6_U
Q 1 9 9 7
NM
GNDD
4
V+5_DDD
V+5_HD
R 1 9 1 6
(1608)
0
0 . 1 u / 1 0
GNDD
N 3/12
X V D D E R R
Q 1 9 9 8
2 S C 4 0 8 1 ( Q R )