Digital Main Assy - Pioneer SC-LX83 Service Manual

5

2.3 DIGITAL MAIN ASSY (2/10)

DIGITAL MAIN ASSY (2/10)
F
2/10 F
(AWX9627, AWX9628)
V+3R3_EM_D
C661
0.1u/10
C658
IC611
100p/50
(2/4)
EXCEPT XM MODEL 1 14
*R724
XXMERR/RDSSCK
3 2
0
7
GNDD
IC611 (3/4) 7
*R725
6 5
XMIRQ/RDSSI
0
4 14
V+3R3_EM_D
GNDD
V+5_HD
IC611
(1/4)
TC74VHC126FK 7
R726
8 9
SITX
100
V+3R3_EM_D
10 14
F
2/10 F
2.4 DIGITAL MAIN ASSY (6/10)
DIGITAL MAIN ASSY (6/10)
F
6/10 F
(AWX9627, AWX9628)
DIRMCLK
F
7/10
EXCEPT
XM MODEL
R1947
NM
R1948
NM
F
6/10 F
5
6
R798
RDSCLK5
0
JTRST
XEMRST
R745
RDSSI5
EVSI
100
EVREQI
TUSI
R816
SITX5
0
*R1859
0
*R1860
NM
V+3R3_D3
SELECTOR L1812
C1836 0.1u/10
SYB
QTL1013-A
A XM or DIR C1837 470p/50
SCH
B USB
IC1810
1 16
SELECT VCC
2 15
R1875 100
1A XST
3 14
R1876 100
1B 4A
4 13
R1877 150 R1893 470
1Y 4B
5 12
R1878 0 R1894
2A 4Y
6 11
R1879 100
2B 3A
7 10
R1880 150 R1895
2Y 3B
8 9
R1896
GND 3Y
TC74VHC157FK
6
7
V+3R3_D
EXCEPT
XM MODEL
XZ2XM XZ2DAC
SELECTOR
A ZXM or ZUSB
B ZNET
Z2NET
R1918
R1920
R1921
R1922
R1923
USBSW
150
1k
150
SC-LX83
7
8
A/D GATE
V+3R3_D9
L1814
C1848 0.1u/10 SYB
QTL1013-A
C1849 470p/50 SCH
IC1814
1 16
SEL VCC
2 15
100
1A ST
3 14 R1931 100
100
1B 4A
4 13 R1932 1k
47
1Y 4B
5 12
100 R1928 22
2A 4Y
6 11 R1933 100
100
2B 3A
7 10 R1934 470
47
2Y 3B
8 9 R1935 47
GND 3Y
TC74LCX157FK
8
A
B
F
2/10 F
C
D
ZLRCK
E
ZFADA
ZMCLK
ZBCK
F
F
6/10 F
15