Read Sony DSC-T7 Service Manual online
DSC-T7
4-27
4-3. PRINTED WIRING BOARDS
4-3. PRINTED WIRING BOARDS
(For printed wiring boards)
•
•
: Uses unleaded solder.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated)
• Through hole is omitted.
• Circled numbers refer to waveforms.
• There are a few cases that the part printed on diagram
• Circled numbers refer to waveforms.
• There are a few cases that the part printed on diagram
isn’t mounted in this model.
•
C
: panel designation
THIS NOTE IS COMMON FOR WIRING BOARDS
(In addition to this, the necessary note is printed in each block)
(In addition to this, the necessary note is printed in each block)
• Chip parts.
Transistor
Diode
board name
MC-149
MS-258
SY-115
parts location
(shown on page)
–
–
4-39
number of layers
2
1
8
layers not shown
–
–
2 to 7
pattern
BOARD INFORMATION
2
1
3
1
2
3
2
1
3
2
1
3
3
4
5
2
1
1
2
3
6
5
4
E
B
C
3
1
5
5
2
4
6
1
2
3
5
4
4
3
1
2
5
4
1
3
1
2
4
3
3
1 2
4
5
5
3 4
1
2
3
4
2
1
1
2
4
3
4
6
2
5
3
1
1
2
4
3
6
4
1
3
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