Service manual

67
VSX-918V-K
5
6 7 8
5
6 7 8
A
B
C
D
E
F
SBL
SBR
OLDT
XPROTECT
DCDT
6_OHM
AMUTE
F-DRIVE
CONTROL
+
-
+
-
321
312
4
3
2
1
7
6
5
8
13
11
12
9
10
16
14
15
17
R300
C300
D255
R280
D253
R443
R463
Q255
R464
Q256
R447
Q252
Q254
Q259
R437
Q248
Q249
C256
C253
R436
IC251
R430
IC251
D251
R438
R439
R440
C254
R442
C255
R448
D254
R441
Q253
R446
R445
Q257
R449
R551
R432
R435 R434
R431
R433
R444
C320
C392
Q250
CN251
CN110
CN252
FAN CONTROL
(2/2)
SL
SR
(1/2)
FR
FL
C
(SR)
(FR)
MAIN ASSY(2/3)
XDX3064
J22
TO TRANS3 ASSY
+24V
GNDU
GNDU
FAN+
FAN STOP
FAN-
TO FAN
MOTOR
F-DRIVE
DCDT
XPROTECT
OLDT
NECK
TO POWER PACK ASSY
AMUTE
(SB)
TO MAIN ASSY
( TO MAIN ASSY 3/3 )
: AUDIO SIGNAL FLOW
JA:CEJA
Ratings: Capacity(μF)/Voltage(V) unless otherwise noted.
Rated Voltage: 50V expect for electrolytic capacitors.
1.RESISTORS
Tolerance: (J) 5% unless otherwise noted.
Unit: p-pF or μF unless otherwise noted.
Rated power: 1/16W unless otherwise noted.
Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
NOTE
2.CAPACITORS
+
-
GNDU
V-12
STBY
STBY
V+5U
*5
*5
*5
470
*5
*5
*5
2SD2704K
4.7K
(QR)
2SD1858X
RT1P241M
(QR)
2SC4081
10K
RT1N241M
0.01
NJM4565MD
68K
68K
39K
100K
NJM4565MD
10K
(QR)
2SC4081
10K
10K
100K
100/25
0.01
NP
STBY
100K
UDZS5R1(B)
8.2k
2.2K
DAN217U
STBY
RT1N241M
22k
2SA1576A
(QR)
8.2K
100K
100K
68K
100K
YB
1000p
STBY
GNDA
GNDU
GNDCH
52147-0310
XKP3059
B3B-EH
6 OHM
GNDU
FL
GNDA
SR
GNDA
FR
C
GNDA
SL
GNDA
R466
R465
Q260
22K
(QR)
22K
2SC4081
RT1P241M
A 2/3
CN704
FAN
C 1/2
891
G
A 3/3
A 3/3
(FL)
: Audio Signal Route (Front L ch)
(SL)
: Audio Signal Route (Surround L ch)
(C)
: Audio Signal Route (Center ch)
(SBL)
: Audio Signal Route (Surround Back L ch)
(SW)
: Audio Signal Route (SubWoofer ch)
(FL)
(FL)
(SL)
(SL)
(C)
(C)
(SBL)
MAIN ASSY
(VSX-918V:XWK3363)
(VSX-818V:XWK3359)
A 2/3
Q255
R463
R464
*5
D253
R280
D255
2SC4081(QR)
22K
22K
UDZS13(B)
UDZS13(B)
-
MYSXJ5