Schematic Diagram - Dcdc Board (Suffi X-11/-21) - Sony STR-DN1070 Service Manual

STR-DN1070
6-39. SCHEMATIC DIAGRAM – DCDC Board (Suffi x-11/-21) –
1 2 3
A
DCDC BOARD
B
F940
5A 250V
>076S
CN1907
POWER
C1036
2P
0.047u
CL1960
TRANSFORMER
R3 Green 1
CL1959
R3 Yellow 2
(MAIN)
T901
C
(Page 70)
CN1905
4P
>077S
CL1909
STBY 10V 1
CL1910
STANDBY BOARD
STBY GND 2
CL1911
AC CUT 3
CN940
CL1912
PWR RY 4
(Page 70)
D
E
F
G
H
I
J
K
STR-DN1070
4 5 6 7
D1924
D5SBA60-F
CL1961
- +
C1000
C1029
6800u
0.1u
25V
D1925
SA10QA04
D906
L1939
SA10QA04
2.2uH
C1076 C1077 C1078 C1061
C1079
10u 10u 10u 10u
0.1u
CL1952
1
C1064 R1039
VIN1
0.1u 10k
14.6 2
L1940
VBST1
10uH
10 3
SW1
TPS542941PWPR
4
4.5
R1037
PGND1 IC1916
47k
C1081 C1074 C1075 5
CL1953
EN1
22p 22u 22u
+4.52V REG.
R1042 6
CL1954 14.2
C1071 PG1 = PG1
2.2k
7
470u CL1955
10V VFB1
0.7 8
GND
R1035
10k
L1914
2.2uH
C1054 C1055 C1056 C1001
C1057
10u 10u 10u 10u
0.1u
CL1924
1
C1005 R1020
VIN1
0.1u
10k
14.7 2
L1935
VBST1
4.7uH
3
11.8
SW1
TPS542941PWPR
6.2 4
R1003
PGND1 IC1911
47k
5
C1083 C1047 C1048 CL1925
EN1
22p 22u 22u +6.2V REG.
R1027 6
CL1926 14.3
C1042
PG1 = PG1
3.3k
470u CL1927 7
VFB1
10V
0.7 8
GND
R1001
10k
D1928
D1927
L1917
SA10QA04
SA10QA04
2.2uH
C1049 C1050 C1051 C1052 C1059
10u 10u 10u 10u 0.1u
CL1941
C1015 1
R1018
VIN1
0.1u
10k 14.7 2
L1934
VBST1
2.2uH
3
7.9
SW1
TPS542941PWPR
2.2 4
IC1912
PGND1
5
C1087 R1006 R1007 C1019 C1018 CL1938
EN1
+2.15V REG.
22p 47k 33k 22u 22u
CL1939
14.3 6
C1028
PG1 = PG1
470u CL1940 7
VFB1
10V
8
0.7
GND
R1008
10k
8 9 10
C1080 C1067
0.1u
10u
17
16 R1038
14.6 C1070
VIN2
10k 0.1u
15 9.8
L1941
VBST2
10uH
14 4.5
IC1916
SW2
13
R1036
PGND2
CL1958 47k
12 14.3 C1072 C1073 C1082 C1068
EN2
22u 22u 22P 470u
CL1957
11
R1043
10V
PG2 = PG2
2.2k
10
0.7 CL1956
VFB2
9 5.6
VREG5
R1034
C1063
10k
1u
W1901
C1058 C1008
0.1u
10u
17
16
14.7 R1015 C1021
VIN2
10k 0.1u R1009
15 12
L1936
VBST2
C1085
4.7uH
14
IC1911 6.2
SW2 22p R1010
13
R1002
PGND2
CL1930 33k
12 14.3 C1045 C1046 C1084
C1012 C1043
EN2
470u 470u
CL1929 22u 22u 22p
11
R1028
10V 10V
PG2 = PG2
1k
10 0.7 CL1928
R1011
VFB2
9 5.6
VREG5
R1000
C1004
4.7k
1u
C1053
C1060
10u
0.1u
17
16 14.7 R1019 C1040
VIN2
10k 0.1u
15 8
L1933
VBST2
2.2uH
IC1912 14
2.2
SW2
13
R1005
PGND2
CL1943 10k
12
14.3 C1010 C1011 C1088
EN2
22u 22u 22p
CL1942
11 R1029
PG2 = PG2
2.2k C1013
10 0.7 CL1944
470u
VFB2
9 10V
5.6
VREG5
R1004
C1014 6.8k
1u
68 68
11 12 13 14
CL1913
CL1914
FB1901 0uH CL1915
FB1902 0uH CL1916
CL1917
R1030 0
CL1918
R1032 0
R1031 0 FB1903 0uH CL1919
R1033 0 FB1904 0uH CL1920
FB1905 0uH CL1922
FB1906 0uH CL1921
L1920
2.2uH
C1037 C1038 C1039 C1002
10u 10u 10u 10u
17
CL1931
1 16
C1031 14.7 R1017
R1016
VIN1 VIN2
0.1u 10k
10k
14.7 2 15 8.1
L1921
VBST1 VBST2
2.2uH
3 14
8.2 IC1913 2.5
SW1 SW2
TPS542941PWPR
2.5 4 13
PGND1 IC1913 PGND2
10k CL1937
CL1932 5 12 14.3
C1035 C1034
EN1 EN2
22u 22u +2.5V REG.
CL1934 6 11 CL1935
14.3
PG1 = PG1 PG2 = PG2
560
CL1933 7 10 0.7 CL1936
VFB1 VFB2
0.7 8 9
5.6
GND VREG5
C1030
1u
5.6k
Note: IC1911, IC1912, IC1913 and IC1916 on the DCDC board
cannot exchange with single. When these parts on the
DCDC board are damaged, exchange the entire mounted
board.
15 16 17
CN1906
10P
1 AC CUT
2 POWER RY
>006S
STANDBY_+4.5V
3
4 RFDCDC_4.5V
MB-1512 BOARD
5 USBDCDC_6.2V
(3/16)
6 DADCDC_4.5V
CN301
7 PANA788DCDC_2.15V
8 PANA787DCDC_2.15V
(Page 43)
9 MTKDCDC_1.9V
10 MTKDCDC_2.2V
C1022
10u
C1023
0.1u
L1919
2.2uH
R1012
10k
C1026 C1027 C1086
22u 22u 22p
R1013
560
C1044
R1014
470u
5.6k
10V