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4-3. PRINTED WIRING BOARDS
THIS NOTE IS COMMON FOR WIRING BOARDS
(In addition to this, the necessary note is printed in each block)
(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
isn't mounted in this model.
• C: panel designation
DSC-P31/P31M
• Chip parts.
Transistor
Diode
C
6
5 5
4
4
5
6
5
4
4
5
3
3
B
E
1
2
3
3
2
1
1 2
3
3
2
1
2
1
2
1
2
1
2
2
1
3
4
1
2
3
4
5
4
3
3 4
5
2
1
4
3
2
1
– 3 –
3
1
2
3
1
6
5
4
4
3
3
4
1
2
2
1
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