Service manual
69
VSX-918V-K
5
6 7 8
5
6 7 8
A
B
C
D
E
F
TX
RX
TX
RX
35
37
36
47
EXP3
EXP2
100
EE_CLK
EXP5
40
39
38
22
2
42
1
41
19
45
46
29
30
22
26
27
28
25
24
22
23
21
1W_WP
19
AC_WP
EE_DT
EE_CLK
EE_DT
EE_CLK
1
2
OSD_CLK
OSD_DT
XPROTECT
EE_DT
USBDAO
USBDAI
50
49
47
51
48
50
23
24
27
26
45
46
AMUTE
42
39
41
40
36
38
37
48
88
35
49
SPA_RY
R/C_RY
SPB_RY
51
XM_ERR
52
AC_RY
SW2
OSD_ON
EXPDT
SWDET
EXPCE
EXPCLK
DCDT
OLDT
RDS_CLK
RDS_DT
SW1
77
79
80
78
CONTROL
28
SRIN
RMC
SROUT
1W_WP
100
HPDET
91
INH
93
EX_ST
OSD_RST
OSD_CS
88
T_CLK
T_CE
T_DI
T_DO
CN102
R9065
R9064
D9064
R9063
R9066
R9067
D9065
D9067
Q9064
D9068
Q9065
CN112
R9080
Q9065
R9071
R9072
R9073
R9074
R9010
R9031
C9005
R9013
R9037
Q9001
C9004
C9002
R9002
C9006
D9010
R9033
L9003
R9046
R9039
R9004
X9001
R9041
R9062
C9015
C9010
C9009
R9005
IC9001
R9045
R9048
R9047
R9018
C9016
R9016
R9017
R9014
R9015
R9027
R9029
R9001
R9003
C9003
R9038
C9008
C9019
C9007
C9012
R9025
R9026
R9060
R9024
R9023
R9082
C9081
R9081
R9011
R9012
C9000
R9032
Q9003
D9011
R9009
Q9002
C9013
R9030
Q9007
C9018
Q9006
R9068
R9008
R9036
R9061
R9028
R9044
R9043
R9042
R9020
R9019
R9021
R9022
R9034
CN101
C9014
R9007
C9011
R9006
D9007
D9006
10
5
2
4
1
3
6
7
8
9
35 29
3034 26
31
32
33 2527
28 20
19
16
21
18
1723
2224
7
12
1315
14 8
9
10
11 3
2
1
4
5
6
31
33
34
32
36
35
37
30
40
39
38
42
43
41
46
44
45
2827 29262523 2418 2117 20 2219161310 11 12 1514
5
6
8
7
4 87659321
100
98
99
97
94
95
96
92
93
91
89
88
90
85
87
86
48
47
49
50
515254 5356 555758596062 6164 63656669 68 6770717273747577 76787980
84
83
82
81
1
4
3
2108
751311
12
9
614
15
16
17
9604S-10C
GNDU
10K
DAP202U
10K
10K
10K
10K
GNDU
DAP202U
1SS355
1SS355
UMD2N
D+5V
10K
UMD2N
D+5V
RT1P241M
221
221
221
5.1k
100K
JQ
2.2/50
100K
RT1N431M
0.01
STBY
YB
YB
1u/10
100K
1SS355
47K
LFCA2R2J
470
STBY
100K
XSS3004-
100K
470
470
1000p
YB
STBY
STBY
STBY
0
0
470
10K
10k
STBY
STBY
STBY
470
470
470
470
470
220
220
YB
0.01
STBY
330/6.3
STBY
47K
*1
*1
*1
270K
0.01
470
220
221
100K
1K
STBY
0
V-12
D+5V
RT1P241M
RT1P241M
V+12
DAN202U
47K
GNDU
STBY
47
DTC143TK
VLCK
VLDT
MCACC
STBY
STBY+5V
0.1
0
220
220
STBY
DSPOL
100K
10K
10K
10K
STBY
470
470
470
6_OHM
*1
MICDET
STBY+5V
9604S-17C
0.047
GNDU
470K
YB
YB
0.047
470K
DAN217U
D+5V
DAN217U
26
2527
24 22 20 1618
23 1921 17
14
12
10 8
15 13 11 9 7
462
513
CKS3392
FOR FLASH U-COM
SR_TXD
918,818,518/J ONLY
VSS
T_BUSY
NC
T_VDD
T_SCLK
T_RST
SR_RXD
VSS
T_PGM/OE/MD
TO DSP+USB MODULE(818,518/J)
HDMUTE0
TO HDMI+DSP+USB MODULE(918)
ONLY
VSX-918 V
1
HDREQI
HDMI SW
HD RESET
HDREQO
LS INT
LS RESET
HD DO
HD SCK
HD DI
2
(1/2)
5
3
MUTE_OUT
USB POWER
USB SW
WRITE MOD
XFLAG
LS SDA
LS SCL
USB XRST
USBDAI
USBDAO
USB CTL
BUSY
DSP HREQ
DSP MODE
DIR DO
DIR CS
DSP DO
DSP CLK
DSP RST
DSP SS
DIR ERR
DIR RST
DEC MUTE
NC
9604S-35C
VSX-918V
DSP DI
GNDD
4
(2/2)
DMUTE
XM/SIRIUS RX
232C CTS
CLK
DSP CLK
DSP DO
DSP DI
BUSY
DSP SS
DSP RST
DSP MUTE
DSP MODE
DSP HREQ
DIR CS
DIR DO
ADMODE
15.7MHZ
XM/SIRIUS TX
DISP RST
32.USB DAO/SR+ RX
USB POWER
USBXRST
31.USB DAI/SR+ TX
USBXFLAG
SIRIUS RST
50.USB SW
52.XMDAC_RST
51.USB WRITE MODE
UART SW
ACIN(WAKEUP)
USB CTL
USB/SR+ SW/HDREQI
1W WUP
LS INT
LOW_CONSUMPTION
12C DT EEPROM/LS SDA
NMI
+5V
XIN
GND
XOUT
XRESET
VSX-
918V
only
12C CLK EEPROM/LS SCL
CNVSS
GND
DISP CLK/OSD CLK
DISP DO
DISP DI/OSD DT
MAIN m-COM
COMP VIDEO INH
RDS DT/XM LINK ACTIVE
DISP RDY
HD SCK
DISP EN
HD DI
HPDET
VREF
AVCC
AVSS
SIMUKE2
SIMUKE1
DT4 MODE
EXPANDER ST
XPROTECT
DECO MUTE
XM POW
OSD RST
OSD CS
6 OHM
HDDO/HPD_IN
DIR ERR
DIR CDC RST
HDMI REQO/CE
AMUTE
RY_C/R
RY_B
XM ERR
RY_A
MCACC/FRONT IN
RY-AC
EVR CLK
EVR DT
+5V
COMP VIDEO B
GND
OSD_ON
COMP VIDEO A
SW DET
EXP DT/VIDEO2
EXP CE/VIDEO3
DC PROT
EXP CLK/VIDEO1
DSP OVERLOAD
OL DET
RDS CLK/XMLSDP
XMSGNL SW
XMANT_REV
RDS FM+/XM RST
XMSC RATE
T_CE
T_DI
T_CLK
T_DO
FLAC 2
-VF
DISP RST
FLAC 1
DISP CLK
DISP DI
DISP RDY
DISP DO
SRIN
SROUT
RMC
1W WP
DISP EN
MIC DET
GNDU
STBY+5V
GNDU
TO FRONT DISPLAY ASSY
A 3/3
CN401
H
A 1/3
A 2/3
A 1/3
A 1/3
A 1/3
A 1/3
(L)
: Audio Signal Route (L ch)
(SW)
: Audio Signal Route (SubWoofer ch)
FOR FLASH U-COM
CN8
B 3/4
CN3
V 3/5
MAIN ASSY
(VSX-918V:XWK3363)
(VSX-818V:XWK3359)
A 3/3
VSX-818V/MYSXJ5
VSX-918V/MYSXJ5
-
10K
10K
-
10K
10K
10K
3.3K
*1
R9024
R9026
R9023 R9025
SIMUKE For μ-P
PEG467A8 (VSX-818V)
PEG469A8 (VSX-918V)
VSX-818V