Service manual

99
VSX-918V-K
5
6 7 8
5
6 7 8
A
B
C
D
E
F
V 4/5
V
5/5
V
1/5,5/5
!
!
XA13T
XA14T
XA15T
XA16T
XA17T
XA18T
XA19T
XA20T
XA21T
SDCKE
SDCLK
SDCS
WET
OET
FLCS
SDCKE
XA20T
SDCLK
XA12T
XA11T
XA9T
XA8T
XA7T
XA6T
XA5T
XA4T
XD15T
XD14T
XD13T
XD12T
XD11T
XD10T
XD9T
XD8T
CPCK
BM2
BM1
CPRST
USBRST3
USBRST
BM0
CPRDY CPDT
USBPWR
100u/16
C455
C485
0.1u/10
C454
0.1u/10
C457
1u/10
C456
NM
C453
NM
C481
0.1u/10
C486
470p/50
C451
1u/10
C452
NM
C484
100p/50
CH
C410
470p/50
C409
0.1u/10
C411
0.1u/10
C412
470p/50
C437
NM
C413
10p/50
CH
C414
470p/50
CH
C415
0.1u/10
C416
470p/50
D451
NM
L481
QTL1013-A
L461
QTL1013-A
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
IC402
S-1200B18-M5
VIN
1
VSS
2
ON/OFF
3
NC
4
5
VOUT
IC403
NM
Vadj
1
GND
2
Vc
3
Vin
4 5
Vo
RT1N431M
Q402
2SA1577(QR)
Q401
R432
1k
R431
NM
R461
NM
R402
100
R401
NM
R403
100
R482
10k
R483
100k
R484
100k
R485
100k
R486
10k
R487
10k
R488
100k
F%
R425
NM
R426 4.7k
R427
NM
R428 4.7k
R429
NM
R430 4.7k
R404
100
R405
100
R454
NM
F%
R453
NM
F%
R451
NM
R452
NM
R406
100
R456
3.3k
R455
1.8k
R407 2.2M
R408
47
R409
4.7k
TP410
TP411 TP412
TP413
TP414
TP428
GNDD
GNDD
TP427
TP541
TP540
TP539
TP533
TP534
TP535
TP538
TP409
V3U
V5DUV3D
V+3DU
V+3DU
V+3DU
V3U
V+1R8U
V+3DU
X402
CSS1614-A
MAIN
UD
X481
ASS1172-A
32.768kHz
1 2
4 3
341S2154
IC481
VCC1
1
XIN
2
XOUT
3
CLOCK_ENAB
4
NC1
5
NC2
6
I2C_SCL
7
I2C_ADDR0
8
I2C_ADDR1
9
I2C_ADDR2
10
CP_READY
11
MODE0
12
MODE1
13
NC3
14
I2C_SDA
15
MODE2
16
ROSC
17
SPI_nSS
18
SPI_SIMO
19
SPI_SOMI
20
SPI_UCLK
21
NC4
22
NC5
23
NC6
24
NC7
25
NC8
26
NC9
27
NC10
28
NC11
29
NC12 30
NC13
31
CLOCK_OUT
32
NC14
33
NC15
34
NC16
35
NC17
36
NC18
37
nRESET
38
VSS
39
VCC2
40
C482
5p/50
CH
C483
5p/50
CH
VEF1040-A
JH501
R481
1M
1.8VReg.
BOOT MODE