Pioneer VSX-918V-K Service Manual page 93

5
DIRD
S1DT
DIRB
S1BC
SEL Y
H HDMI
L DIR/XM
HDSW
R171
100
HFDT
S1DT
S2DT
S1BC
S2BC
HBCK
R172
47
SEL Y
H USB
L DIR/XM/HDMI
USBSW
R181
UDT
S2DT
FDTI
S2BC
BCKI
UBCK
R182
S1BC
TP190
S1DT
TP191
S1LR
TP192
S1MC
TP193
S2BC
TP194
S2DT
TP195
S2LR
TP196
S2MC
TP197
5
6
V3D
L171
C171
0.1u/10 QTL1013-A
C172
C173
470p/50
1000p/50
1 16
R173
SELECT VCC
100
2 15
1A XST
3 14
1B 4A
4 13
1Y 4B
5 12
2A 4Y
6 11
2B 3A
7 10
2Y 3B
8 9
GND 3Y
IC171
TC74VHC157FTS1 R174
100
Switch for HDMI
GNDD
V3D
L181
C181
NM NM
C182
NM
NM
1 16
R183
SELECT VCC
NM
2 15
1A XST
3 14
1B 4A
4 13
1Y 4B
5 12
2A 4Y
6 11
2B 3A
7 10
2Y 3B
8 9
GND 3Y
NM IC181
NM
R184
NM
Switch for USB
GNDD
V3D
V3D7
L191
QTL1013-A
IC191
(1/4)
14
1
TC74VHC08FTS1
3
2
7
IC191
14
R191
4
(2/4)
R194
6
100
47
5
7
IC191
R192 14
9
(3/4)
R195
8
100
47
10
7
IC191
R193 14
12
(4/4)
R196
11
100
100
13
7
TP198
GNDD
VSX-918V-K
6
7
HMCK
HBCK
HLR
HFDT
CDTI
DIRL
SDTI
S1LR
BDTI
DIRM
RX2
S1MC
V3D5
HDDO
HDSCK
HDDI
HDRQI
HLR
S1LR
HDRST
HDRQO
S2LR
S1MC
HDMUT
S2MC
HMCK
V3D6
UMCK
UBCK
ULR
ULR
S2LR UDT
RX6
LCKI
V
S2MC
MCLK
UMCK
USBRST
USBPWR
USBCTL
MCK1
XFLAG
USBDAI3
V
USBDAO3
2/5
MCK2
WRTMOD3
USBREQ
MCK3
7
8
To HDMI Block
TP161
TP162
TP163
TP164
TP165
TP166
TP167
TP168
TP169
TP170
TP171
TP172
TP173
TP174
TP175
TP177
TP178
TP179
TP180
2/5
OSCU
TP182
TP183
TP184
TP185
TP186
TP187
TP188
TP189
V 1/5
93
8
A
B
C
D
E
F