STR-ZA1000ES/ZA2000ES/ZA3000ES
STR-ZA1000ES/ZA2000ES/ZA3000ES
77
77
6-39. SCHEMATIC DIAGRAM - DCDC Section (2/2) -
• See page 80 for Waveforms. • See page 82 for IC Block Diagrams.
Note:
IC981 and IC1721 on the DCDC board cannot replace with single.
When these parts are damaged, replace the complete mounted board.
27
28
29
30
31
32
2.6
6.5
16.4
20.9
2.1
1.7
10.3
0.7
0.7
5.2
8.6
9.8
0.8
1
8.6
3.4
8.8
10.3
1.4
1.9
0.8
2.6
8.5
8.8
10.3
1.5
3.9
0.8
2.6
7
8.8
10.3
1.5
2.4
0.8
2.6
6.5
8.8
10.3
1.4
1.9
0.8
F1601
T3.15A 250V
10k
R981
10k
R986
22
C990
22
C989
10
C982
C983
10
3P
CN1601
R3 AC (YEL)
1
R3 AC (GRN)
3
35V
2200
C1601
35V
C1602
2200
4P
CN981
STB_UNREG_7.8V
1
STB_GND
3
STB_DCDC_5V
4
DCDC_GND
5
0.1
C984
0.1
C987
7P
CN1631
1 D-VIDEO_DCDC_10.5V
3 D-VIDEO_DCDC_4.0V
4 D-VIDEO_DCDC_2.5V
5 D-VIDEO_DCDC_2.0V_1
6 NET_DCDC_6.1V
7 NET_DCDC_4.0V
8 D-VIDEO_DCDC_2.0V_2
2P
CN1621
1
DCDC_GND
2
DCDC_GND
10k
R1726
0.01
C1721
2.2
C1722
2.2
C1723
2.2
C1724
2.2
C1725
10
C1733
10
C1735
10
C1734
10
C1736
0.1
C1726
TPS54331GDR
IC1721
1
BOOT
2
V in
3
En
4
SS
5
VSENSE
6
COMP
7
GND
8
V out
10
C1738
10
C1739
D1FM3
D1721
0.0015
C1729
10
R1724
0.1
C1808
22
C1814
22
C1811
22
C1812
C1802
10
BD9329AEFJ-BZSE2
IC1801
1
BOOT
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
10
C1803
0
R1805
10k
R1804
15k
R1807
47k
R1806
18k
R1808
0.1
C1828
22
C1834
22
C1832
22
C1831
C1822
10
BD9329AEFJ-BZSE2
IC1821
1
BOOT
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
10k
R1824
10
C1823
22k
R1826
0
R1825
R1830
4.7
18k
R1828
10k
R1827
18k
R1848
0
R1845
R1850
4.7
0.1
C1848
22
C1854
22
C1852
22
C1851
C1842
10
22k
R1846
BD9329AEFJ-BZSE2
IC1841
1
BOOT
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
10k
R1844
10
C1843
22
C1872
22
C1874
22
C1871
22k
R1866
BD9329AEFJ-BZSE2
IC1861
1
BOOT
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
10k
R1864
10
C1863
C1862
10
18k
R1868
0
R1865
0.1
C1868
10
C1732
RT7237ALGSP
IC981
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
0.01
C988
35V
1000
C1604
35V
C1603
2200
CL1622
CL1621
CL1631
CL1634
CL1635
CL1636
CL1637
CL1633
CL1638
C1850
0.001
0.01
C1847
0.01
C1841
C1830
0.001
0.01
C1827
0.01
C1821
0.1
C1824
R1821
22
R1841
22
0.1
C1844
0.01
C1801
0.1
C1804
R1801
22
0.01
C1807
0.0033
C1806
6.8k
R1803
680
R1802
0.0033
C1826
6.8k
R1823
680
R1822
0.0033
C1846
6.8k
R1843
680
R1842
0.0033
C1866
6.8k
R1863
680
R1862
0.01
C1867
0.01
C1861
0.1
C1864
R1861
22
CL1868
CL1869
CL1865
CL1867
CL1863
CL1803
CL1808
CL1807
CL1809
CL1805
CL1828
CL1829
CL1825
CL1827
CL1823
CL1848
CL1849
CL1845
CL1847
CL1843
CL1727
0
R1729
CL1725
CL1729
150
R1727
680
R1728
22k
R1725
C1731
0.01
47p
C1730
CL1726
CL1728
0.01
C1728
CL1723
10k
R1722
1.5k
R1730
100k
R1721
CL1603
CL1602
CL1601
CL1604
CL985
CL984
CL983
CL981
0.01
C981
8.2k
R985
15k
R983
4.7k
R982
0.0033
C985
47k
R984
0
R987
CL995
R989
0
CL999
R1779
0
R1778
0
R1777
0
R1998
0
R1999
0
0
R1997
0
R1657
0
R1658
0
R1659
R1719
0
R1718
0
R1717
0
0
R1937
R1938
0
R1939
0
R1759
0
R1758
0
R1919
0
R1918
0
0
R1917
R1879
0
R1878
0
R1819
0
R1818
0
R1739
0
R1738
0
R1737
0
R1734
0
R1733
0
~
+
–
~
D5SBA60-F
D1601
22uH
L1721
L1722
4.7uH
L981
10uH
L1861
10uH
L1801
10uH
10uH
L1823
L1841
10uH
L1852
4.7uH
L1832
4.7uH
L1802
10uH
L1862
10uH
IC1861
DC/DC CONVERTER
IC1801
IC1821
103
104
105
102
IC1841
DCDC BOARD (2/2)
IC1721
IC981
DCDC
(1/2)
>140S
BOARD
MAIN POWER
T01
TRANSFORMER
>17S
BOARD
STBY
CN51
>18S
2
NC
DIGITAL
BOARD
(10/12)
(ZA3000ES)
(ZA1000ES/ZA2000ES)
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
2
NC
2
NC
GND BOARD
(CHASSIS)
CL1900
A1900
CN1900
10
11
12
13
14
15
G
16
H
I
F
1
C
J
D
6
E
2
B
3
A
4
5
7
8
9
(ZA3000ES)
3
4
2
1
(Page 78)
(Page 78)
(Page 76)
Ver. 1.1