Pioneer VSX-1325-K Service Manual page 14

1
2.5 DIGITAL MAIN ASSY(6/10)
QQ
3 7 63 1515 0
A
E
2/10-5/10,7/10,8/10,10/10
B
C
2/10, 5/10,
E
TE
L 13942296513
7/10, 8/10, 10/10
V+5R6_DDD
!
CONT_EV *IC1816
1 5
VIN VOUT
2
GND
3 4
CONTROL NB
NJM2872BF33
V+5_XM
D
V+5_XM1
!
EXCEPT
XM MODEL
V+5_XM2 *C1805
*JA1801
AKP7201-A 0.1u/10
R1802
SYB
1
NM
2
3
4
R1803
RT1
E
*C1806
RT2 NM
0.1u/10
RT3
SYB
XM MODEL ONLY
www
F
The
parts should be replaced with same
parts (safety regulation authorized)
of identical designation.
E
6/10 F
14
1
http://www.xiaoyu163.com
2
CONT_GA
V+5R6_EV
GNDD
XM/DT BLOCK
V+3R3_XM1
*R1814
(1608) 100k
(1608) R1815
NM
R1816
NM
*R1817 100k
*C1814 SYB
0.1u/10
R1810
NM *C1815
0.1u/10
SYB
R1811
NM
13
14
I2S_RATE
15 LINKACTIVE
COMM_TX_EN
16
VSS3
17
VDD3
18
COMM_TXRX_P1
19
COMM_TXRX_M
20
VDD4
21
VSS4
22
COMM_TXRXM
23 COMM_TXRX_P2
VSS5
24
*C1810 *R1812 *R1818
8p/50
1k 0
SCH
*C1811
8p/50
SCH
x ao
y
. i
mark found on some component
VSX-1325-K
2
http://www.xiaoyu163.com
3
8
SPDIF SELECTOR
*C1822 SYB
0.1u/16
GNDD
*C1823 SCH
330p/50
IC1805
R1837 14 1
V+5_D (1/4)
2 3
100
7
TC74VHCT125AFK
IC1802
! IC1805
14 4
R1838 (2/4)
1 5
CE VOUT
5 6
2 100
GND2
TC74VHCT125AFK 7
3 4
NC VIN
IC1805
R1839 14 10 (3/4)
R1172H501D
9 8
100
7
TC74VHCT125AFK
IC1805
14 13
R1942 (4/4)
12 11
100
7
TC74VHCT125AFK
E
1/10
EMSPDIF
R1840
HDSPDIF/DSDSL
47k
IC1804
NETSPDIF
(3/3)
8
C1821
1 6
ARCSPDIF
7
1u/10
E 4
5/10
GNDD
Q Q
3 6 7 1 3
(1608) *R1823 100
XMLINK
*R1824 100
XMPOW
*R1825 100
XXMERR/RDSSCK
*R1826 100 XXMRST
*R1827 100
XMIRQ/RDSSI
*R1828
(1608) 100 XMRX
*R1829 100
XMTX
*R1831 100k
100k
*R1832
48 *R1834 100k
47 *R1835 100k
SAII_REQ
R1836
SAII_DATA 46 NM
VDD8
45
SAII_CLK
44
XMMUTE
MUTE
43
I2S_OCLK
42
VSS9
41 CONT_EMMA
I2S_LRCLK
*R1833
40
8
1
VDD7
39
2 7
I2S_SCLK
VSS8 38
3 6
I2S_DATA
37
4 5
*IC1803 47
BU9450KV
*C1819
0.1u/10 SYB
*R1821 100k
*R1822
100k
XMDT4
XMRATE
u163
.
3
4
2 9 9 4 2 8
E
7/10,8/10
V+5_D
V+5_D1
L1805
QTL1013-A
XHDSPDIF
R1845
100
XEMSPDIF
V+5_D
TC7WHU04FU
IC1804
(2/3)
IC1804
8 8
3
2 5
4 4
GNDD
V+3R3_XM2
*L1806
*C1825 0.1u/10 SYB
*C1826 QTL1013-A
470p/50 SCH
1 5 0 5 8 2 9
14 1
2 3
*IC1806 (1/4)
TC74VHC125FTS1
7
14 4
5 6
*IC1806 (2/4)
TC74VHC125FTS1
7
14 10
*R1843 100 *R1846 47
9 8
(3/4)
*IC1806
TC74VHC125FTS1
7
14 13 *R1847 47
12 11
*IC1806 (4/4)
TC74VHC125FTS1
7
E
1/10 - 5/10, 7/10 - 9/10
m
co
4
9 9
DAC/ADC
XNET
XHARC
XXM
9 4 2 8 9 9
R1848 100k
R1849 100k
R1850
100k
R1851
100k
R1852 100k
R1853 100k
R1854 100k
R1855
100k
1/1
E
7/1
HDMI PCM DATA
HFDT FL/FR
CDTI C/SW
SDTI SL/SR
BDTI SBL/SBR