LG -S310 Service Manual page 169

7. CIRCUIT DIAGRAM
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LGE Internal Use Only
13 12 11 10
Main to Volume Key FPCB
KEY_OUT[0]
VOL-UP
4
VOL-DOWN KEY_OUT[1]
3
KEY_IN[0]
2
1
CN100
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9 8 7 6 5
Volume Key
VOL-UP
KB100
KEY_OUT[0]
VOL-DOWN
KB101
KEY_OUT[1]
KEY_IN[0]
9 8 7 6 5
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