Schematic Diagram - Dcdc Section (1/2) - Sony STR-ZA1000ES Service Manual

STR-ZA1000ES/ZA2000ES/ZA3000ES

6-38. SCHEMATIC DIAGRAM - DCDC Section (1/2) -

1 2 3
DCDC BOARD (1/2)
A
21
16.4
1 BOOT V out 8
20.9
2 V in GND 7
B
R1741
CL1743 2.1
100k
3 En COMP 6
C1745
2.2
1.7
4 SS VSENSE 5
C1744
2.2
IC1741
R1750
1.5k
C1743
DC/DC CONVERTER
2.2
C1748 IC1741
R1742 0.01 TPS54331GDR
C
10k
C1742
2.2
C1741
0.01
22
C1705
18.7
2.2
1 BOOT V out 8
20.9
D
2 V in GND 7
R1701
CL1703
1.7
100k
3 En COMP 6
C1704
2.2
1.8
4 SS VSENSE 5
C1703
2.2
R1710 IC1701
2.7k
C1702
DC/DC CONVERTER
2.2
R1702 C1708 IC1701
E
6.8k 0.01 TPS54331GDR
C1701
0.01
CL1611
C1765
2.2
23
C1764
11.3
2.2
1 BOOT V out 8
F CL1612
20.9
2 V in GND 7
R1761
CL1763
4.1
C1763
100k
3 En COMP 6
2.2
1.7
4 SS VSENSE 5
C1762
2.2
IC1761
R1770
2.7k
DC/DC CONVERTER
G
C1761 R1762 C1768 IC1761
0.01 22k 0.01 TPS54331GDR
STR-ZA1000ES/ZA2000ES/ZA3000ES
• See page 80 for Waveforms. • See page 82 for IC Block Diagrams.
4 5 6
L1741 L1742
CL1748 CL1749
22uH 10uH
C1746 R1744
0.1 10
D1741
D1FM3
10.4
C1749 C1752 C1753 C1754 C1755 C1756
0.0015 10 10 10 10 10
C1750 R1755 R1748 R1749
0.6
47p 22k 680
0.7
CL1746
C1751 R1747
0.01 150 R1746
10k
CL1745
L1701 L1702
CL1708 CL1709
22uH 10uH
C1706 R1704
0.1 10
D1701
D1FM3
12.6
C1709 C1712 C1713 C1714 C1715 C1716
0.0015 10 10 10 10 10
C1710 R1705 R1708 R1709
0.7
100p 22k 680
0.7
CL1706
C1711 R1707
0.01 0 R1706
10k
CL1705
L1761 L1762
CL1768 CL1769
22uH 10uH
C1766 R1764
0.1 10
D1761
D1FM3
5.2
C1769 C1772 C1773
0.0015 22 22
C1770 R1765 R1768 R1769
0.5
47p 22k 1.8k
0.7
CL1766
C1771 R1767
0.01 0 R1766
10k
CL1765
7 8 9
CL1903
CL1747
24
C1904
R1901
0.1
22
10.3 2.6
1 BOOT SS 8
10.4 8.8
2 VIN EN 7
6 1.6
3 SW COMP 6
0.8
4 GND FB 5
0
C1758 C1901
10 0.01
IC1901
C1759 C1902
10 10
DC/DC CONVERTER
IC1901
C1903
BD9329AEFJ-BZSE2
10
CL1923
CL1707
25
C1924
R1921
0.1 22
8.5 2.6
1 BOOT SS 8
10.4 8.9
2 VIN EN 7
3.9 1.5
3 SW COMP 6
0.8
4 GND FB 5
0
C1718 C1921
10 0.01
IC1921
C1719 C1922
10 10
DC/DC CONVERTER
IC1921
C1923
BD9329AEFJ-BZSE2
10
CL1767
CL1983
C1778
26
22
C1984
R1981
0.1
22
5.2 2.4
1 BOOT SS 8
5.2 4.5
2 VIN EN 7
0
1.7 1.5
3 SW COMP 6
0.8
4 GND FB 5
C1981
0.01
IC1981
C1982
10
DC/DC CONVERTER
IC1981
C1983
BD9329AEFJ-BZSE2
10
76 76
10 11 12 13
CL1909
R1904
10k
L1901 L1902
R1905
10uH 10uH
0
CL1907
R1907 R1906
12k 47k
R1902
CL1905
1k
R1903 R1910 R1908
10k 4.7 10k
C1906 C1908 C1907 C1910 C1911 R1909 C1912 C1914
0.0022 0.1 0.01 0.001 22 220 22 22
CL1929
R1924
10k
L1921 L1922
R1925
10uH 4.7uH
0
CL1927
R1927 R1926
15k 47k
R1922
CL1925
680
R1923 R1930
6.8k 4.7
C1926 C1928 C1927 C1930 C1931 R1928 C1932 C1934
0.0033 0.1 0.01 0.001 22 18k 22 22
CL1999
R1984
10k
L1991 L1992
R1985
10uH 10uH
0
CL1987
R1986
22k
R1982
CL1985
680
R1990
R1983 4.7
6.8k
C1986 C1988 C1987 C1990 C1991 C1992 R1988 C1994
0.0033 0.1 0.01 0.001 22 22 22k 22
Note: IC1701, IC1741 and IC1761 on the DCDC board cannot replace with single.
When these parts are damaged, replace the complete mounted board.
14 15
(Page 77)
102
>140S
CL1908
103 DCDC
BOARD
104
(2/2)
105
(ZA3000ES)
CL1928
(Page 78)
CN1671
3P
>16S
1 DCDC_12V_GND
2 DCDC_12V STBY
BOARD
3 DCDC_12V_GND
CN71
CN1651
(Page 57)
4P
CL1651
>07S
1 DCDC_12V
CL1653
2 DCDC_12V_GND
CL1654 AUDIO
3 DCDC_5V
BOARD
CL1655
(6/6)
4 DCDC_1.8V
CN200
CL1998