Pioneer SC-LX90 Service Manual page 185

5
UNLK
XSPDIF
HDMUTE
XHDMI
IEMUTE
XIEEE
TC74VHC125FTS1
XXM
XSMUTE
HRMUTE
XHR
TC74VHC125FTS1
IC121
(1/4)
XMMUTE
IC116
Z2SP
ZUNLK
XZSPDIF
XZIEEE
XZHDMI
TC74VHC125FTS1
IC119
XZ2XM
XZ2HR
XZSMUTE
XZ3XM
KU/CA :
AWX8721
ONLY
XZ3HR
14
12 11
IC119
13
(4/4)
7
O
1/8
O
3/8
5
6
MUTE CONTROL
TC74VHC02FTS1
IC111 (2/4)
14
5 6
4
7
(3/4)
IC111
14
9 8
10
7
IC111 (4/4)
14
12 11
13
7
IC119 (1/4)
14
2 3
1
7
KU/CA : AWX8721 ONLY
STBY
14
5 6
4
IC121
7
(2/4)
14
2 3
1
7
IC116 (1/4)
(4/4) TC74VHC00FTS1
14
12
11 14
1
3
13
2
7
7
IC116 (3/4)
14
9
IC116
8
(2/4)
10
7
14
4
6
5
7
(2/4)
IC113
14
5 6
4
7
IC113 (3/4)
14
9 8
10
7
IC113 (4/4)
14
12 11
13
7
14
5 6
(2/4) 4
7
IC121
(3/4)
14
9 8
10
STBY
7
IC119 (3/4)
14
9 8
10
7
14
12 11
13
IC121
7
(4/4)
STBY
C135
0.1/16
YB
O
1/8
O
1/8
O O
1/8,5/8 8/8
6
IC114
IC112 (1/4) IC111 (1/4)
TC74VHC08FTS1
TC74VHC125FTS1
2
14
14 1
2 3
3
1
7
7
XDFMUTE
XDCMUTE
IC114
XDS1MUTE
IC114
XDSBMUTE
IC114
XDS2MUTE
IC115
XDPREMUTE
IC115
XDHPMUTE
IC115
IC115
(2/4)
IC112
TC74VHC08FTS1
5
14
14 4
2 3
6
1
IC113
7
7
(1/4)
TC74VHC125FTS1
XDZ2MUTE
IC112 (4/4)
7
12
14
13
11
XDZ3MUTE
8
10
14
9
7
IC112 (3/4)
O
1/8
SC-09TX
7
MAIN DIGITAL ASSY
O
V+3DS 2/8
(1/4)
14
1
3
XFMUTE
2
7
14
4
6
XCMUTE
5
7
(2/4)
14
9
8
XS1MUTE
10
7
(3/4)
14
12
11
XSBMUTE
13
7
(4/4)
14
4
6
XS2MUTE
5
7
(2/4)
14
9
8
XPREMUTE
10
7
(3/4)
14
12
11
XHPMUTE
13
7
(4/4)
(1/4)
14
1
3 XZ2MUTE
2
7
XZ3MUTE
7
8
A
XFMUTE
XPREMUTE
XCMUTE
B
XS1MUTE
O
1/8
XSBMUTE
XS2MUTE
XZ2MUTE
XZ3MUTE
XHPMUTE
C
D
E
F
O
2/8
39
8