Schematic Diagram - D-Audio Board (2/2) - Sony STR-DA2800ES Service Manual

5-19. SCHEMATIC DIAGRAM - D-AUDIO Board (2/2) -

1 2 3
D-AUDIO BOARD
A
B
C
D
E
32
33
34
35
36
37
>100S
F 38
D-AUDIO
39
BOARD
(1/2) 40
(Page 60)
41
42
43
44
45
G 46
H
I
J
C1274
C1265
0.1
100
16V
CN1114
19P
CL1048
BT_L 1
AGND 2
CL1045
BT_R 3
AGND 4
CL1032
K
DCAC 5
CL1028
DAC SBL 6
CL1022
DAC SBR 7
CL1020
>06S DAC SL 8
CL1019
DAC SR 9
CL1018
MAIN
DAC C 10
BOARD CL1017
(1/3) DAC SW 11
CL1016
CN301
DAC FL 12
(Page 65)
CL1015
DAC FR 13
AGND 14
L
CL1014
ADCR 15
CL1012
AGND 16
CL1013
ADCL 17
CL1029
–7V 18
JL1863
+7V 19
STR-DA2800ES
• See page 115 for IC Block Diagrams.
4 5 6 7
(2/2)
FB1502
FB1033
C1942
10 R1997
50V 470k
R1996
8.2k C1943
2700p
R1988
15k
R1987
1k IC1807
LINE AMP
5 4
IC1807
IC1421 NJM4565M(TE2)
+5V REGULATOR 5
C1937
270p
IC1421
0
MM1839A50NRE
6
1 2 3 0
7
7
8 VCC
R1421
10k R1977
10
R1979
C1421 C1422 C1096 C2924 C1926 C2925
10
1 4.7 100 470 1000p 470
16V 10V 10V
R2000
1k
8 9 10
R2062 R1960 R2039
0 100 100
R2061 R1957 R2038
0 100 100
C1508
470
10V
C1945 C1946 C1949
R1998 10 10 R1714 R1715 10
470k 50V 50V 470k 470k 50V
R1999 R1713 R1716
C1944 8.2k 8.2k C1947 C1948 8.2k
2700p 2700p 2700p
R1993 R1992
15k 15k
R1981 R1980
1k 1k IC1808
LINE AMP
IC1808
NJM4565M(TE2)
-7 -7
VSS 4 5 VSS 4
C1936
270p
0
3 6 3
C1941
270p
0 0 0
2 7 2
0 7 0
1 8 VCC 1
C1927 R2031 C1928 C1929
1000p 1k 1000p 1000p
R2032
1k
61 61
11 12 13 14
R2063 0
R2042 220
R2041 100
R2064 0 C1011
R1959
100
R2410
2.2k
R2412
2.2k
C1503 C1531 C1514 C1502
470 1000p 0.01 0.1
10V
14 13 12 11 10 9 8 7 6 5 4 3 2 1
IC1123
D/A CONVERTER
IC1123
PCM1681GPWPR
15 16 17 18 19 20 21 22 23 24 25 26 27 28
C1517 C1516 C1504 C1962 C1986 C1965
1000p 0.01 0.1 0.01 0.01 0.1
C1950 C1953 C1954
10 R1718 R1719 10 10
50V 470k 470k 50V 50V
R1717 R1720 R1721
8.2k C1951 C1952 8.2k 8.2k
2700p 2700p
R1991 R1990 R1995 R1989
15k 15k 15k 15k
R1986 R1985 R1984 R1983
1k 1k IC1809 1k 1k
LINE AMP
IC1809
NJM4565M(TE2)
-7
5 VSS 4
C1935 C1934
270p 270p
0
6 3
C1940 C1939
270p 270p
0 0
7 2
7 0
8 VCC 1
C1930 C1931 C1932
1000p 1000p 1000p
R2033 R2034 R2035 R2036
1k 1k 1k 1k
STR-DA2800ES
15 16 17 18
CN2401
5P
1 DSP+1.8V
>07S
2 DSP+1.8V
IC1010
MAIN
3 D+4.0V
BOARD
JL2277
+3.3V REGULATOR 4 D-AU_GND (1/3)
CN300
IC1010
5 D-AU_GND (Page 65)
MM1963DTRE
3.3 4
O I
2 1
G
3 C1901
1 1 R2395
0 JL2499
A2201
JL2400
R2396 (CHASSIS)
0
R2397
0 JL2497
A2202
JL2498
(CHASSIS)
C1966
220
16V
C1957
R1722 R1723 10
470k 470k 50V
R1724
C1955 C1956 8.2k
2700p 2700p
R1994
15k
R1982
IC1810 1k
LINE AMP
IC1810
NJM4565M(TE2)
-7
5 VSS 4
0
6 3
C1938
270p
0 0
7 2
7 0
8 VCC 1
C1933
1000p
R2066 R2037 R2067
47k 1k 47k