Read Sony DSC-U20 Service Manual online
DSC-U20
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
4-3. PRINTED WIRING BOARDS
4-2. SCHEMATIC DIAGRAMS
4-3. PRINTED WIRING BOARDS
MOUNTED PARTS LOCATION
MOUNTED PARTS LOCATION
DD-182 (DC IN, DC/DC CONVERTER)
For Printed Wiring Board.
•
•
:Uses unleaded solder.
• DD-182 board is 6-layer print board. However, the pattern
of layers 2 to 5 have not been included in the diagram.
• There are a few cases that the part isn't mounted in this
model is printed on this diagram.
• See page 4-62 for printed parts location.
4-44
DD-182
4-43
Q026
Q027
R003
R006
R009
R010
R011
R020
R021
R024
R027
R030
R031
R050
R051
R052
R053
R054
R055
R056
A
+
C062
A
+ C063
E
C
B
Q003
L003
L005
L006
L007
L008
L009
L012
L013
L014
L015
F001 F002 F003
Q010
IC003
8
1
4
5
D010
D003
C010
C014
C045
C049
C051
C053
C009
C023
C027
C035
L016
D G
S
Q007
D
G
S
Q011
C031
C033
C034
C037
C038
D
S
G
Q004
Q008
Q009
D001
D002
C025
C026
L001
L002
L010
Q005
Q014
R007
R008
R023
C003
D G
S
Q018
D
S
G
Q006
1
1
4
5
8
4
5
8
1
2
3
5
K
A
A
B
1
2
3
4
5
6
05
1-685-280-
11
DD-182 BOARD (SIDE A)
Q012
IC001
1
2
2
79
80 78
77
75
76
74
73
73
71
72
70
69 67
69 67
68
66
65
65
63
64
62
59 60
59 60
61
58
56
56
55
57
53 54
52
50
49
51
47 48
46
45
43
44
42
42
41
40
39
37
38
38
36
35
33
34
34
32
31
29
30
30
28
27
25
26
26
24
23
19
22
22
21
20
18
17
15
13
11
975
3
4
6
8
8
10
12
12
14
16
R001
R002
R004
R005
R012
R013
R014
R015
R016
R017
R018
R019
R022
R029
R032
R033
R034
R035
R036
R037
R038
R039
R040
R041
R042
R043
R044
R045
R046
R047
R048
R049
A
+
C048
B
+
C050
L017
L019
+
P
C040
+
P
C042
+
P
C057
+
P
C058
5
4
3
2
1
IC004
L018
F004
C001
C059
1
4
3
2
IC002
D004 D005
D009
Q016
Q017
Q019
2
50
1
51
CN001
C015
C016
C019
C020
C056
C004
C005
C006
C007
C008
C012
C013
C017
C021
C022
C039
C054
C024
C029
C030
C036
LND001
JL001
JL002
D
G
S
Q001
D
G
S
Q002
C052
D
S
G
Q013
D
S
G
Q015
D
S
G
Q020
D
S
G
Q021
D
S
G
Q024
D
S
G
Q025
D006
D007
D008
CN002
1
2
+
BB
C046
Q022
Q023
C002
A
K
A
A
K
K
1-685-280-
11
DD-182 BOARD (SIDE B)
A
B
1
2
3
4
5
6
05
BT901
BATTERY TERMINAL
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