Sharp DK-A1 Service Manual page 50

DK-A1/DK-A1BK
KEY PWB-C3
A
B
C
D
E
F
G
Lead-free solder indication
H
Lead-free solder is used in the KEY PWB.
Refer to "Precautions for handling lead-free solder" for instructions
and precautions.
1
R113 R112
R114
2 3
Figure 6-34: WIRING SIDE OF KEY PWB (TOP VIEW)
4 3 2 1 BI101
SW107
SW106
SW105
SW104
SW103
SW102
SW101
4
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