Service manual
89
VSX-918V-K
5
6 7 8
5
6 7 8
A
B
C
D
E
F
1
2
3
5
4
5
4
1
3
2
4321
3
2
1
R902
C910
C911
C909
C907
C908
C906
C902 C901
C916
R904
C915
R903
R901
R905
C903
CN901
KN3001
KN51
C57
C56
C55
T51
C51
D58
C61
C54
R54
IC51
55
C60
C53
D51
IC52
R53
D55
RY51
D57
Q51
C52
FUSE1
CN51
W291
W290
D56
RY51
R52
NOTE
2.CAPACITORS
Unit: p-pF or μF unless otherwise noted.
1.RESISTORS
Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
Rated power: 1/16W unless otherwise noted.
Tolerance: (J) 5% unless otherwise noted.
+
-
Rated Voltage: 50V expect for electrolytic capacitors.
Ratings: Capacity(μF)/Voltage(V) unless otherwise noted.
R
XKB3063
JA902
L
V
FVL
GNDA
FVR
TO MAIN ASSY
FRONT V
GAV
TO VIDEO ASSY
U+5V REG.IC
D20PYY0410E
J52
AC WUP
AC RY
ST+5V
5.0V
TO TRANS2 ASSY
GNDU
12.2V
STBY
W286
W287
W276
ASR7013
POWER RELAY
(2/2)
AKR7001-
N
L
11.7V
ATT7040
OUT IN
+
-
~
~
CHASSIS
330
470p
0.01
0.22
0.01
470p
0.22
CH
100p
CH
100p
330
100p
470k
CH
100p
CH
470k
YB
YB
CEAL-TS
75
47/25
YB
YB
YB
YB
B5B-PH-K-S
GNDU
CHASSIS
VNE1948-A
VNF1084
0.01 YF
0.01
0.01 YF
YF
0.01/AC250V
ACE7013
MTZJ5.1B
10k
47/25
NJM78L05UA
51048-0400
STBY
STBY
DF06SA
1000/16
3.3k
1SR139-400-T
RT1N431M
XCG3010-
0.01/AC250V
1SS133
H51 H52
RKP1751
1SS133
ASR7013
(1/2)
27 1/2W
L51
XTF3004
3
1
2
530
AKC-081
FRONT VIDEO ASSY
(XWZ4300)
R
CN107
A 1/3
CN354
P
RQ
• NOTE FOR FUSE REPLACEMENT
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
REPLACE WITH SAME TYPE AND RATINGS OF FUSE.
CAUTION -
(V)
: Video Signal Route
(L)
: Audio Signal Route (L ch)
(SW)
: Audio Signal Route (SubWoofer ch)
(V)
(V)
(L)
(L)
PRIMARY ASSY
(XWZ4302)
Q
CN1201
TO AC CORD
Power
Transformer
D
REK1027 (T3.15 A)
LIVE
NEUTRAL