Pioneer SC-LX73, Service Manual

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15
SC-LX83
5 6 7 8
5 6 7 8
A
B
C
D
E
F
2.3 DIGITAL MAIN ASSY (2/10)
2.4 DIGITAL MAIN ASSY (6/10)
XXMERR/RDSSCK
XMIRQ/RDSSI
EVREQI
EVSI
SITX
JTRST
RDSSI5
TUSI
XEMRST
RDSCLK5
SITX5
C658
100p/50
C661
0.1u/10
GNDD
GNDD
IC611 (3/4)
4
5 6
14
7
IC611
(2/4)
1
2 3
14
7
R745
100
R744
47k
R726
100
*R725
0
*R724
0
R733 100k
R736 100k
V+3R3_EM_D
V+5_HD
V+3R3_EM_D
V+3R3_EM_D
IC611
TC74VHC126FK
(1/4)
10
9 8
14
7
C759
NM
C760
NM
R798
0
R816
0
EXCEPT XM MODEL
DIGITAL MAIN ASSY (2/10)
(AWX9627, AWX9628)
F
2/10 F
F
2/10 F
F
2/10 F
DIGITAL MAIN ASSY (6/10)
(AWX9627, AWX9628)
F
6/10 F
XZ2XM XZ2DAC
USBSW
Z2NET
DIRMCKI DIRMCKO DIRDATO
ZMCLK
ZBCK
ZLRCK
ZFADA
DIRBCK
DIRLRCK
C1836 0.1u/10 SYB
C1837 470p/50 SCH
C1850
NM
C1848 0.1u/10
SYB
C1849 470p/50 SCH
L1812
QTL1013-A
L1814
QTL1013-A
TC74VHC157FK
IC1810
SELECTOR
SELECT
1
1A
2
1B
3
MCK
1Y
4
5
2A
6
2B
BCK
7
2Y
8
GND
FD
9
3Y
10
3B
11
3A
LRCK 12
4Y
13
4B
14
4A
15
XST
16
VCC
TC74LCX157FK
IC1814
SELECTOR
SEL
1
1A
2
1B
3
MCK
1Y
4
5
2A
6
2B
BCK
7
2Y
8
GND
FD
9
3Y
10
3B
11
3A
LRCK 12
4Y
13
4B
14
4A
15
ST
16
VCC
R1894 150
*R1907
0
R1876 100
R1880 150
R1875 100
R1879 100
R1896 150
*R1856
0
*R1857
0
R1878 0
R1935 47
R1932 1k
R1934
470
R1933 100
R1928 22
R1923 47
R1922 100
R1921 100
R1920 47
100
R1918 100
*R1909
0
*R1910
0
*R1860
NM
*R1859
0
R1931 100
R1895 1k
R1877 150 R1893 470
V+3R3_D
V+3R3_D3
V+3R3_D9
DIRMCLK
R1943
NM
R1944
NM
R1945
NM
R1946
NM
R1947
NM
R1948
NM
R1949
NM
R1950
NM
A XM or DIR
B USB
A/D GATE
A ZXM or ZUSB
B ZNET
EXCEPT
XM MODEL
EXCEPT
XM MODEL
F
7/10
F
6/10 F
F
6/10 F