Pioneer SC-LX90 Service Manual page 222

1
10.33 DAC ASSY (4/4)
R
CN998
A
CN1051
6 4 2
CKS1750
5 3 1
C1051
0.22/16
YB
GNDD
B
DACCS 11
DICK 10
9
DIDI
ZDICK 8
ZDIDI 7
DEXP OE
6
DEXP STB 5
DEXP DATA 4
DEXP CLOCK 3
C
GNDD 2
GNDD 1
CN1081
CKS1755
KN1053
VNF1084
2 1
KN1051
VNE1948
4 3
D
2 1
KN1052
VNE1948
GNDDA
4 3
R1931 0
R1932 0
R1933 0
R1934 0
R1935 0
R1936 0
R1937 0
E
R1938 0
GNDASP
R1941 0
R1942 0
R1943 0
R1944 0
GNDA
2 1
3
KN1081
F
4
VNE1948
4 3
S
CN1082
4/4
TUC-P04X-B1
76
1
2
V+3DBIN
V+5D
L1055
ATL7002 V+3DFIN
V+3DF
IC1051
NJM2391DL1-33
L1051
IN OUT
1 3
ATL7002
2
V+3DA
DACS
DACLK
DADT
ZDICK
ZDIDI
DEXOE2
DEXST2
DEXDT
DEXCLK2
C1075 stby
C1076 stby
R1901 0 R1911 0
R1902 0 R1912 0
R1903 0 R1913 0
R1904 0 R1914 0
R1905 0 R1915 0
R1906 0 R1916 0
R1907 R1917
0 0
R1908 0 R1918 0
R1909 0 R1919 0
R1910 0 R1920 0
R1921 0
R1922 0
GNDCH
R1923 stby
R1961 stby R1924 stby
R1962 stby R1925 stby
R1963 0 R1926 stby
R1964 0
R1965 0
R1966 stby
R1968 stby
GNDD
R1969 0
GNDD
R1970 0
R1927 stby R1986 stby
R1928 stby R1987 stby
R1929 stby R1988 stby
GNDASP
R1930 stby R1989 stby
R1976 stby R1990 stby
R1977 stby R1991 stby
R1978 stby R1992 stby R1951
R1979 stby R1993 stby R1952
R1980 stby R1994 stby R1953
R1981 stby R1995 stby R1954
R1982 stby R1996 stby R1955
R1983 stby R1997 stby R1956
R1984 0 R1998 stby R1957
R1985 stby R1999 stby R1958
1
JP1001
2
ADB7035
GNDU
STBY
GNDD GNDD
2
3
BA
CN4104
J1052
ADX7584
2 1
V+3DB
IC1052
NJM2391DL1-33
IN OUT
1 3
2
GNDDA
C1081 0.1/16
YB
DEXST2 1
STB VDD
DEXDT 2
DATA OE
DEXCLK2
3
CLOCK X24ON
XSRST 4
XSRCRST 24ON
BYPAS 5
SRCBYPAS XDSDD
MO1
6
SRCMODE1 SRC
MO0 7
SRCMODE0 QS'
8
VSS QS
IC1081 BU4094BCFV
PORT EXPANDER
AWX8723
C1082 0.1/16
ONLY
YB
DEXST2 1
STB VDD
2
DATA OE
DEXCLK2
3
CLOCK NC
Z2CS 4
SRCLGRP
Z2CS
Z2RST 5
X22ON
Z2RST
Z3CS
6
22ON
Z3CS
Z3RST 7
Z3RST QS'
8
VSS QS
IC1082 BU4094BCFV
PORT EXPANDER
C1083 0.1/16
YB
DEXST2 1
STB VDD
2
DATA OE
DEXCLK2
3
CLOCK NC
DACS1 4
CS1 CS7
DACS2 5
CS2 CS6
DACS3 6
CS3 CS5
DACS4 7
CS4 QS'
8
VSS QS
IC1083 BU4094BCFV
PORT EXPANDER
S S S
2/4 3/4 2/4,3/4
0
0
0
NOTES
0
0
0
0
0
SC-09TX
3
4
V+5DAC V+3DAIN
IC1057
NJM2391DL1-33
L1054
IN OUT
1 3
2
ATL7002
V+3DB9 V+3DB
L1081
QTL1013
16
15 DEXOE2
14 X24ON
13 24ON
12 XDSDDIRECT
SRC
11
10
9
16
15 DEXOE2
14
13 LGRP
12 X22ON
22ON
11
10
9
STBY
16
15 DEXOE2
14
13 DACS7
12 DACS6
11 DACS5
10
9
S S S
1/4 2/4 3/4
4
V+3DA
V+5D
STB