Pioneer VSX-918V-S Service Manual page 71

5
QQ
3 7 63 1515 0
TE
L 13942296513
USBSW
FDTI
BCKI
www
.
5
http://www.xiaoyu163.com
6
DIRD
S1DT
DIRB
S1BC
SEL Y
H HDMI
L DIR/XM
R171
NM
1
2
S1DT
3
4
S2DT
5
S1BC
6
7
S2BC
8
R172
NM
Switch for HDMI
GNDD
SEL Y
H USB
L DIR/XM/HDMI
R181
NM
1
2
S2DT
3
4
5
S2BC
6
7
8
R182
NM
Switch for USB
S1BC
TP190
S1DT
TP191
GNDD
S1LR
TP192
S1MC
TP193
S2BC
TP194
S2DT
TP195
S2LR
TP196
S2MC
TP197
*R191
100
*R192
100
*R193
x ao u163
y
100
i
*TP198
6
http://www.xiaoyu163.com
2 9
8
V3D
L171
C171
V3D5
NM
NM
C172
NM
16
R173
SEL VCC
NM
15
1A ST
14
1B 4A
13
1Y 4B
12
2A 4Y
11
2B 3A
10
2Y 3B
9
Q Q
GND 3Y
3 6 7 1 3
IC171
NM
R174
NM
V3D
L181
C181
V3D6
NM NM
C182
NM
16
R183
SEL VCC
NM
15
1A ST
14
1B 4A
13
1Y 4B
12
2A 4Y
11
2B 3A
10
2Y 3B
9
GND 3Y
IC181
NM
NM
V3D
V3D7
*L191
QTL1013-A
*IC191
(1/4)
14
1
TC74VHC08FTS1
3
2
7
*IC191
14
4
(2/4)
*R194
6
47
5
7
*IC191
14
9
(3/4)
*R195
8
47
10
7
*IC191
14
12
(4/4)
*R196
11
100
13
7
.
GNDD
VSX-918V-K
7
9 4 2 8
DIRL
S1LR
DIRM
S1MC
S1LR
S2LR
S1MC
S2MC
1 5 0 5 8 2 9 9 4
RX6
S2LR
LCKI
S2MC
MCLK
USBRST
USBPWR
USBCTL
XFLAG
USBDAI3
USBDAO3
MCK1
B
2/4
m
MCK2
co
MCK3
7
8
9 9
A
B
C
2 8 9 9
TP180
RX6
D
TP182
TP183
TP186
E
TP187
F
B 1/4
71
8