Pioneer VSX-31 Service Manual page 15

5
QQ
3 7 63 1515 0
XXM
N 9/12
O S C D
DIRX
DAUX
DIRADAT
XXM
TE
L 13942296513 USBSW
XHDI2S
S3BCK
HDMCLK
HFDT/DSDL0
HDLRCK/DSDR0
DSDSW
XMMCLK
XMLRCK
XMADAT
XMBCK
ADADAT
DIRBCK
DIRLRCK
DIRMCLK www
FDTI/DSDFL
HDBCK
S3LRCK
S3MCLK
PDIF_RX6/DSDL2
.
EMBCK
EMADAT
EMLRCK
EMMCLK
USBMCLK
5
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6
XMMCLK
DIRX
XMMCLK
DIRMCLK
S1MCLK
XMBCK
DIRLRCK
USBSW Y
H USB
L DIR
EMADAT
S1ADAT
S2ADAT
DIRBCK
S2BCK
EMBCK
Y
XHDI2S
H DIR/USB
L HDMI
HFDT/DSDL0
R 2 3 1
S2ADAT
R 2 3 2
FDTI/DSDFL R 2 3 3
HDBCK R 2 3 5
S2BCK R 2 3 6
S3BCK
R 2 3 7
V+3R3_D
Q 2 4 1
D T C 1 2 4 E U A
DSDSW
H
L
GNDD
HDLRCK/DSDR0
HSDT/DSDR0
HSDT/DSDL1
x ao u163
DIRADAT
y
S1ADAT
DAUX
i
S1MCLK
DIRX
S2MCLK
S2LRCK
S2ADAT
S2BCK
6
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2 9
8
N
7/12F
D-MAIN ASSY
(7028069261020-IL:VSX-30/UXCNCB,
• DSP PART (1/5)
V+3R3_D
L 2 0 1
C 2 0 2
V+3R3_D1
N M YB N M
C 2 0 1
YB
N M
R 2 0 1
IC201
N M
1 1 6
R 2 0 7
SELECT
V C C
N M
2 1 5
1 A X S T
3 1 4
1 B 4 A
4 1 3
1 Y 4 B
5 1 2
2 A 4 Y
6 1 1
2 B 3 A
7 1 0
2 Y 3 B
8 9
G N D 3 Y
R 2 0 3
NM
N M
R 2 0 5
Switch for XM
N M
V+3R3_D
GNDD
L 2 1 1
C 2 1 2
YB N M V+3R3_D2
N M
C 2 1 1
YB
N M
NM
1 8
G 1 V C C
R 2 1 1
N M
2 7
R 2 1 4
A 1 G 2
N M
3 6
Y 2 Y 1
4 5
N M
G N D
R 2 1 2 A 2
R 2 1 3
IC211 N M
GNDD
Switch for XM
V+3R3_D
L 2 2 1
C 2 2 2
Q T L 1 0 1 3 - A V+3R3_D3
0 . 1 u / 1 0 YB
C 2 2 1
Q Q
3 6 7 1 3 1 5
4 7 0 p / 5 0 YB
IC221
R 2 2 1
1 0 0
1 1 6
R 2 2 7
SELECT V C C
1 0 0
2 1 5
1 A X S T
3 1 4
1 B 4 A
4 1 3
1 Y 4 B
5 1 2
2 A 4 Y
6 1 1
2 B 3 A
7 1 0
2 Y 3 B
8 9
G N D 3 Y
R 2 2 3
1 0 0
SN74AHC157PWR
R 2 2 5
Switch for USB
1 0 0
GNDD
V+3R3_D
L 2 3 1
C 2 3 2
Q T L 1 0 1 3 - A V+3R3_D4
0 . 1 u / 1 0 YB
C 2 3 1
YB
4 7 0 p / 5 0
IC231
1 1 6
R 2 3 4
SELECT V C C
1 0 0
2 1 5
1 A X S T
1 0 0
3 1 4
1 B 4 A
1 0 0
4 1 3
1 Y 4 B
1 0 0
5 1 2
2 A 4 Y
1 0 0
6 1 1
R 2 3 8
2 B 3 A
1 0 0 1 0 0
7 1 0
R 2 3 9
2 Y 3 B
1 0 0 1 0 0
8 9
R 2 4 0
G N D 3 Y
1 0 0
SN74AHC157PWR
Switch for HDMI
GNDD
V+3R3_D
L 2 4 1
C 2 4 2
Q T L 1 0 1 3 - A V+3R3_D5
SIGNAL YB
0 . 1 u / 1 0
C 2 4 1
DSD
4 7 0 p / 5 0 YB
I2S
IC241
1 1 4
1 G
V C C
R 2 4 2 1 0 0
2 1 3
1 A
4 G
R 2 4 3 1 0 0 R 2 4 7 1 0 0
3 1 2
1 Y
4 A
R 2 4 6 1 0 0
4 1 1
2 G
4 Y
R 2 4 4 1 0 0
5 1 0
2 A
3 G
R 2 4 5 1 0 0
6 9
2 Y
3 A
7 8
G N D
3 Y
co
SN74AHC125PW
GNDD
Switch for DSD
.
VSX-31
7
9 4 2 8
VSX-925-K/CUXCN)
DIRADAT
S1ADAT
DAUX
0 5 8 2 9 9 4
V+3R3_D17 V+3R3_D
L 2 1 5
Q T L 1 0 1 3 - A
C 2 1 6
S2LRCK
YB
S1MCLK
C 2 1 5
YB
S2MCLK
5
V C C
22
4
USBMCLK
Y
R 2 1 6
IC215
S N 7 4 A H C 1 G 0 8 D C K
S2LRCK
S2MCLK
m
7
8
9 9
A
XMADAT
B
XMADAT
ADADAT
DIRBCK
XMLRCK
C
EMLRCK
DIRLRCK
2 8 9 9
0 . 1 u / 1 0
4 7 0 p / 5 0
1
A
EMMCLK
2
D
B
3 R 2 1 5
G N D
220
GNDD
R 2 1 7
USBMCLK
N M
HDLRCK/DSDR0
S3LRCK
HDMCLK
S3MCLK
E
SPDIF_RX6/DSDL2
HCDT/DSDL2
HCDT/DSDR1
F
N
7/12F
15
8