Digital Main Assy (6/11) - Pioneer SC-LX85 Service Manual

1

10.13 DIGITAL MAIN ASSY (6/11)

A
B
F
2/11, 5/11,
*Q1509
LTA124EUB
8/11, 10/11
V+5_EV
R1510
R1507
C 2.2k
2.2k
LOWPOW
Q1501
LTC114YUB
R1511
*C1509 47
1000u/16
GNDD
MID:CEAK102M16-P35
SEL:CEAT102M10-P35
(1/4)
IC1502
TC74VHCT08AFKS1
14
1
XAMUTE
3
XSMUTE
2
7
F
2/11
GNDD
AMUTE
Q1503
14
LTA124EUB
4
IC1502
6
(2/4)
XSBMUTE
5
7
SBMUTE
F
2/11
14
9
IC1502
8
(3/4)
XZ2MUTE
D 10
7
Q1504
LTA124EUB
14
12
IC1502
11
(4/4)
XRECMUTE
13
7
Q1505
LTA124EUB
5
1
4
XZ3MUTE5
2
3
IC1504
TC7SH08FUS1
GNDD
IC1503
1 5
ON/OFF VOUT
2
VSS
3 4
NC
VIN
NM
GNDD
E
BTOL
BTPOW
GNDD
F
8/11
BTRX2
BTTX
BTDET
F
BTID
F
6/11
120
1
2
F
2/11 - 5/11, 7/11 - 10/11
F
1/11 - 5/11, 7/11, 8/11
CN1502
C1537
C1540
R1538
XHPDET 0
RYHP
R1539 0
C1541
XMICDET5 R1540 10
1000p/50
LSSN 100
R1541
C1542
PRESEL
1000p/50
C1512
NM
C1516
NM
C1543
1000p/50
C1544
1000p/50
*C1518
Z2VLSO R1542
C1519
100
VLSO R1543
C1520
100
R1544
VLSCK
100
Q1502
LTA124EUB
GNDD
C1538
*R1506
*R1545 NM
TUSCL 10 NM
C1539
*R1514
*R1546 NM
TUSDA
10 NM
C1547
*R1518
*R1523 NM
TURST
10 NM
10k
R1524
*C1545
R1547
TUSENSE
NM NM
*C1546
R1548
TUIREQ
NM NM
C1521
NM
GNDD
F
1/11
V+3R3_EM
L1502
VTL1134-A
XUSBERR
L1504
USBPOW
VTL1134-A
Q1507
LTA124EUB
GNDD
D-
V+5R6_EV D+
D1501
NM
V+5_DSP
!
IC1505
R1515 L1503
5 1
VOUT VIN
VTL1129-A
0 2
GND
*R1513 C1532
4 3
/OC EN
0 NM
BD2224G
*R1512
0
*C1533
NM
R1521 C1526 R1536
BTLO
0 100
10u/16
R1522 C1527 R1537
BTRO
0 100
10u/16
R1532
100
R1533
100
R1534
100
R1535
100
GNDD
GNDD
2
3
F
HDSPDIF/DSDSL
AC INLET Side
XKP3078-A
NM
15
FHMUTE
1000p/50
14 XHPDET
13 RYHP
XMICDET5
12
LSSN
11
AB
10 PRESEL
9 AMUTE
8 SBMUTE
CN3773
Z2MUTE
7
Z3MUTE
6
F
10p/50
Z2VLSO
5
10p/50
4 VLSO
10p/50
3 VLSCK
GNDD
2
GNDD
1
AC INLET Side
CN1503
XKP3074-A
7 TUSCL
AB
6 TUSDA
5 TURST
4 TUADDR
CN3771
3 TUSENSE
2 TUIREQ
1
RECMUTE
USB
V+3R3_EM
R1516
NM
L1501
GNDD
1 2 2
1
R1508
27
R1509
4 3 3
27 4
CTF1703-A
R1517
NM
GNDD
C1831 NM
(2125)
CCG1222-A
C1808
C1809 0.1u/16
C1810 330p/50
X1801
*R1803
1 4
OE VDD
100k
2 3
GND OUT
ASS7102-A
24.576M
C1830
NM
(2125)
C1811 CCG1222-A
JA1501
C1812 0.1u/16
CKS5712-A
C1813 330p/50
GND X1802
18
VCC R1802 1 4
17
OE VDD
100
A_OUT_L
16
15 GNDA 2 3
GND OUT
14 A_OUT_R
GND ASS7101-A
13
22.5792M
A_IN_L
12
SCMCLK
GND
11
10 A_IN_R
*R1804
1
9 GND
15 2
8 RX
3
TX
7
4
DET
6
IDENIFY
5
4 RESERVE
3 GND
2 SPDIF
GND
1 GNDD
SC-57
3
4
2/11 - 5/11, 7/11 - 10/11
SPDIF SELECTOR
L1811
VTL1129-A
C1840
0.1u/16
C1841
100p/50
IC1809
R1857 14 1
(1/4)
2 3
100
7
TC74VHCT125AFK
IC1809
14 4
R1858 (2/4)
NETSPDIF
5 6
100
7
IC1809
R1859 14 10 (3/4)
9 8
100
7
IC1809
R1860 14 13
(4/4)
EMSPDIF
12 11
100
7
F
1/11
GNDD
C1846
0.1u/16
C1845
330p/50
IC1808
TC7WHU04FK
(1608)
ARCSPDIF C1839
1 VCC
100
1u/16 2
R1864 3
F
5/11 4
GND
GNDD
1
DACSIG
R1821
100
2
5/11, 7/11, 8/11 PQMCLK
*R1834 3
82
4
C1817
0.1u/16
*C1820
330p/50
1
XXTL0
R1822
2
100
CN1501
AKM1276-A
1 GNDD
2 D-
3 D+
4 XUSBERR
R1550
(1608) 0 5 USBPOW
R1504
C
0
R1505
0
CN8101
GNDD
V+3R3_OS
L1802
VTL1129-A
GNDD
R1810
22
22PQLS
24PQLS
L1803
VTL1129-A
GNDD
22PQLS
R1811
47
ICS87002BM-05
CONT_EMMA
8
ICLK NC
R1809
7
R1832
VDD1 CLK1
220 100 14 13
6
GND1 VDD2
12
5
CLK2 GND2
7
IC1806
(4/4)
IC1803
F
1/11 - 5/11,
7/11, 8/11
4
DAC/ADC
F
7/11, 8/11
V+5_DSP
XHDSPDIF
R1870
100
XNET
XHARC
XEMSPDIF
V+5_HD
8
7
6
5
GNDD
MASTER CLOCK SELECTOR
V+3R3_OS
C1828
0.1u/16
L1808
VTL1129-A
C1829
330p/50
IC1802
TC7WZ08FK
8
1A VCC *R1835
DAMCLK
82
7
1B 1Y
6
2Y 2B
R1820
5
F
100
GND 2A
8/11
L1809
VTL1129-A
F
8/11
*L1801
VTL1128-A
5
DIRMCKI
*R1836
4
NM
3
IC1804
TC7SZ08FU
R1871
V+3R3_OS
R1872
R1873
R1874
C1834
0.1u/16 L1806
R1875
VTL1129-A
R1876
*C1835
220p/50 TC74VHC126FK
R1877
(1/4)
IC1806
R1878
R1840
R1824 14 1 47
2 3
100
7
14 4
IC1806
(3/4)
5 6
F
7
DAZDB
IC1806
14 10 (2/4)
9 8
7
F
7/11
FMCLK
*R1801
11
100
HDMI PCM DATA
HFDT FL/
CDTI C/S
SDTI SL/
BDTI SBL/S