Sony STR-DN1050 - Schematic Diagram - DCDC Board

STR-DN1050
STR-DN1050
5858
6-31. SCHEMATIC DIAGRAM – DCDC Board –
1
A
B
C
D
E
F
G
H
I
J
K
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
DCDC BOARD
0.8
7.2
3.5
1
10.6
13.7
6.1
0.8
7.2
3.5
1
8.5
13.3
4.5
0.8
7.2
3.5
1
7.2
13.3
2.5
0.8
7.2
3.5
1
6.6
13.3
2.4
0.8
7.2
3.5
1
8.8
13.7
4.2
0.8
7.2
3.5
1
10.5
13.7
6.1
C903
25V
6800u
C904
25V
1000u
C1907
0.0022u
C1908 1u R1953 47k
R1956 47k
R1957 47kR1958 47k
R1954 47kR1955 47k
C1909 0.1u
C1905
0.1u
C1901
10u
C902
0.1u
C908
0.047u
C901
0.1u
C907
0.047u
C1910
0.001u
C1902
10uC1903 0.1uC1904
100u 25V
C1911
22uC1912 22uC1913 0.1uC1914
100u 10V
CL901
CL907
CL986
CL942
CL999
CL984
CL998
CL997
CL985
CL902
CN902
2P
1STBY GND
2STBY GND
CN901
3P
1
+12V
2
+12V
3-12V
CN941
4P
1
R3 AC (YEL)
2
NC
3
CENTER TAB
4
R3 AC (GRN)
CN1901
8P
1 +6V(MHL)
2 +6V(USB)
3 +4.5V(NET)
4 +4.24V(OTHERS)
5 +2.4V(DSP)
6 +2.4V(DSP)
7 +2.5V(ADV)
8 +2.5V(ADV)
D923
D5SBA60-F
F940
F941
3.15A
3.15A
250V
L1902
10uH
L1901
10uH
4.7
R1905
10k
R1906
100k
R1909
33k
R1908
10k
R1903
33k
R1907
22
R1901
IC1905
RT8293ALZSP
1
BOOT
2
VIN
3
SW
4
GND FB
5
COMP
6
EN
7
SS
8
9
C1927
0.0022u
C1928 1u C1929 0.1u
C1925
0.1u
C1921
10u
C1930
0.001u
C1922
10uC1923 0.1uC1924
100u 25V
C1931
22uC1932 22uC1933 0.1uC1934
100u 10V
L1904
10uH
L1903
10uH
4.7
R1915
10k
R1916
100k
R1919
0
R1918
4.7k
R1913
47k
R1917
22
R1911
IC1906
RT8293ALZSP
1
BOOT
2
VIN
3
SW
4
GND FB
5
COMP
6
EN
7
SS
8
9
C1947
0.01u
C1948 1u C1949 0.1u
C1945
0.1u
C1941
10u
C1950
0.001u
C1942
10uC1943 0.1uC1944
100u 25V
C1951
22uC1952 22uC1953
0.1uC1954
100u 10V
L1906
10uH
L1905
10uH
4.7
R1925
22k
R1926
100k
R1929
4.7k
R1923
47k
R1928
22
R1921
IC1907
RT8293ALZSP
1
BOOT
2
VIN
3
SW
4
GND FB
5
COMP
6
EN
7
SS
8
9
C1997
0.0022u
C1998 1u C1999 0.1u
C1995
0.1u
C1991
10u
C1959
0.001u
C1992
10uC1993 0.1uC1994
100u 25V
C1955
22uC1956 22uC1957
0.1uC1958
100u 10V
L1910
10uH
L1909
10uH
4.7
R1940
10k
R1941
100k
R1944
0
R1943
4.7k
R1939
47k
R1942
22
R1938
IC1909
RT8293ALZSP
1
BOOT
2
VIN
3
SW
4
GND FB
5
COMP
6
EN
7
SS
8
9
C1966
0.01u
C1967 1u C1968 0.1u
C1964
0.1u
C1960
10u
C1969
0.001u
C1961
10uC1962 0.1uC1963
100u 25V
C1970
22uC1972 0.1uC1973 22uC1971
100u 10V
L1912
10uH
L1911
10uH
4.7
R1947
22k
R1948
100k
R1951
4.7k
R1946
47k
R1950
22
R1945
IC1910
RT8293ALZSP
1
BOOT
2
VIN
3
SW
4
GND FB
5
COMP
6
EN
7
SS
8
9
C1983
0.0022u
C1984 1u C1985 0.1u
C1981
0.1u
10u
C1986
0.001u
C1978
10uC1979 0.1uC1980
C1987
22uC1988 22uC1989 0.1uC1990
100u 10V
L1908
10uH
4.7
R1933
10k
R1934
100k
R1937
33k
R1936
10k
R1932
33k
R1935
22
R1931
IC1908
RT8293ALZSP
1
BOOT
2
VIN
3
SW
4
GND FB
5
COMP
6
EN
7
SS
8
9
W1900
250V
+6.14V REG.
IC1905
+4.24V REG.
IC1906
+2.4V REG.
IC1907
+6.14V REG.
IC1908
+4.5V REG.
IC1909
+2.5V REG.
IC1910
>062S
POWER
TRANSFORMER
(MAIN)
T901
(Page 60)
>059S
MAIN BOARD
(3/4)
CN272
(Page 53)
>023S
DIGITAL BOARD
(3/12)
CN1501
(Page 39)
>063S
STANDBY
BOARD
CN940
(Page 60)