STR-ZA1000ES/ZA2000ES/ZA3000ES
STR-ZA1000ES/ZA2000ES/ZA3000ES
76
76
6-38. SCHEMATIC DIAGRAM - DCDC Section (1/2) -
• See page 80 for Waveforms. • See page 82 for IC Block Diagrams.
Note:
IC1701, IC1741 and IC1761 on the DCDC board cannot replace with single.
When these parts are damaged, replace the complete mounted board.
21
22
23
24
25
26
10.3
6
10.4
2.6
8.8
1.6
0.8
8.5
3.9
10.4
2.6
8.9
1.5
0.8
5.2
1.7
5.2
2.4
4.5
1.5
0.8
20.9
1.7
2.1
10.4
0.7
0.6
16.4
18.7
20.9
1.8
1.7
12.6
0.7
0.7
11.3
20.9
1.7
4.1
5.2
0.7
0.5
0.1
C1908
22
C1912
22
C1911
C1902
10
R1910
4.7
220
R1909
10k
R1904
12k
R1907
47k
R1906
0.1
C1706
D1FM3
D1701
0.0015
C1709
10
R1704
10k
R1706
0.01
C1701
2.2
C1702
2.2
C1703
2.2
C1704
2.2
C1705
TPS54331GDR
IC1701
1
BOOT
2
V in
3
En
4
SS
5
VSENSE
6
COMP
7
GND
8
V out
10
C1712
10
C1713
10
C1714
10
C1715
10
C1716
10
C1718
10
C1719
0.1
C1766
TPS54331GDR
IC1761
1
BOOT
2
V in
3
En
4
SS
5
VSENSE
6
COMP
7
GND
8
V out
22
C1778
10k
R1766
D1FM3
D1761
0.01
C1761
22
C1772
0.0015
C1769
2.2
C1762
2.2
C1763
2.2
C1764
2.2
C1765
22
C1773
10
C1756
0.1
C1746
TPS54331GDR
IC1741
1
BOOT
2
V in
3
En
4
SS
5
VSENSE
6
COMP
7
GND
8
V out
10
C1758
10
C1759
10k
R1746
D1FM3
D1741
0.01
C1741
10
C1752
0.0015
C1749
10
R1744
2.2
C1742
2.2
C1743
2.2
C1744
2.2
C1745
10
C1753
10
C1755
10
C1754
BD9329AEFJ-BZSE2
IC1901
1
BOOT
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
10
C1903
10k
R1908
22
C1914
0
R1905
22
C1934
22
C1932
22
C1931
C1922
10
BD9329AEFJ-BZSE2
IC1921
1
BOOT
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
10k
R1924
10
C1923
15k
R1927
47k
R1926
0
R1925
R1930
4.7
18k
R1928
0.1
C1988
22
C1994
22
C1992
22
C1991
C1982
10
BD9329AEFJ-BZSE2
IC1981
1
BOOT
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
10
C1983
0
R1985
22k
R1988
10k
R1984
22k
R1986
4P
CN1651
DCDC_12V
1
2
DCDC_12V_GND
DCDC_5V
3
DCDC_1.8V
4
3P
CN1671
1
DCDC_12V_GND
2
DCDC_12V
3
DCDC_12V_GND
0.0022
C1906
0.01
C1907
10k
R1903
1k
R1902
0.01
C1901
0.1
C1904
R1901
22
C1910
0.001
0.0033
C1926
0.01
C1927
6.8k
R1923
680
R1922
R1921
22
0.1
C1924
0.01
C1921
C1930
0.001
0.0033
C1986
0.01
C1987
6.8k
R1983
680
R1982
C1990
0.001
0.01
C1981
0.1
C1984
R1981
22
CL1908
CL1909
CL1905
CL1907
CL1903
CL1928
CL1925
0.1
C1928
CL1927
CL1923
CL1998
CL1999
CL1985
R1990
4.7
CL1987
CL1983
CL1747
CL1749
CL1707
CL1709
CL1929
CL1654
CL1651
CL1655
CL1653
CL1769
CL1767
CL1748
150
R1747
680
R1748
0
R1749
CL1745
22k
R1755
0.01
C1751
47p
C1750
CL1746
CL1708
0
R1709
CL1705
680
R1708
0
R1707
22k
R1705
0.01
C1711
100p
C1710
CL1706
0
R1769
CL1765
1.8k
R1768
0
R1767
22k
R1765
0.01
C1771
47p
C1770
10
R1764
CL1766
CL1768
0.01
C1768
CL1763
22k
R1762
2.7k
R1770
0.01
C1708
6.8k
R1702
2.7k
R1710
CL1703
100k
R1701
100k
R1761
CL1743
0.01
C1748
10k
R1742
1.5k
R1750
100k
R1741
CL1612
CL1611
L1902
10uH
L1922
4.7uH
L1992
10uH
L1991
10uH
L1921
10uH
L1901
10uH
22uH
L1761
22uH
L1741
22uH
L1701
L1762
10uH
L1702
10uH
L1742
10uH
104
105
103
102
IC1901
DC/DC CONVERTER
IC1921
IC1981
IC1741
IC1701
IC1761
DCDC BOARD (1/2)
BOARD
STBY
CN71
>16S
BOARD
CN200
AUDIO
(6/6)
>07S
DCDC
(2/2)
>140S
BOARD
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
10
11
12
13
14
15
G
F
1
C
D
6
E
2
B
3
A
4
5
7
8
9
(ZA3000ES)
(Page 77)
(Page 57)
(Page 78)