Service manual

87
VSX-918V-K
5
6 7 8
5
6 7 8
A
B
C
D
E
F
3
2
1
5
6
4
8 119104756123
3
12
4
2
3
5
1
7
8
4
TO POWER PACK ASSY
J47
XDX3065
HP SW
GNDU
AMUTE
HP G
HP R
HP L
XDX3066
J43
TO POWER PACK ASSY
REG B-
+12V
-12V
GAV
IC807
-18.7V
-11.9V
-12V REG.IC
+12V REG.IC
IC801:
IC802:
18.5V
11.8V
REG B+
REG G
DREG INPUT
GNDD
V+5D1
DREG INPUT
V+5D2
*1
5.0V
5.0V
GNDD
GNDD
C1555 C1553 C1554
Q1551 Q1552
C1551
R1553
R1554
C1552
C1557
C1556
C1558
1551
C1562
R1556 R1555
R1557
R1552
C1561
R1551
IC802
C804
C806
C803
C805
IC801
R801
CN800
IC808
C818
C819
D810
C809
D814
R809
R820
C817
R810
C810
R819
C816 D813
R818
IC809
R802
IC807
JA1551
51048-0600
CHASSIS
VNF1084
4.7k
2SC5938A(AB) 2SC5938A(AB)
4.7k
KN1551
0.022
YB
0.01
470p CH
0.1
150 1W
150 1W
0.022
470p 0.01 YB
YB0.1
CH YB
47/50
47/50
330
2W
NP
YB YB
1k
NP
2W
330
KIA7912PI
0.01 0.01
KIA7812API
330/3W
W378
52147-1110
W380
0.01
221/10
W379
MTZJ6.2B
0.33/50
1K
150
0.01
3K
221/10
100/10
0
STBY
W376
NJM2389F
STBY
XKB3066-
100/16
100/16
CEJQ
MTZJ6.2B
MTZJ6.2B
OUT IN
OUTIN
OUTIN
OUTIN
810
C 2/2
REGULATOR ASSY
(XWZ4317)
N
N
HEAD PHONE ASSY
(XWZ4321)
O
O
CN702
C 1/2
IC809
C809
C810
R809
R810
R820
D814
IC807
R819
C817
C816
D813
IC808
W376
W379
W380
W378
VSX-918V
*1
VSX-818V
(FL)
: Audio Signal Route (Front L ch)
(FL) (FL)
-
-
-
-
-
-
-
BA50BCOT
O(0)
O
O
O
BA50BCOT
O
-
-
O