Samsung SGH-T519 Service Manual page 58

Flow Chart of Troubleshooting
EL_PWR
EL_PWR
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
MIC+
C311
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18 18
16
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12 12
10 10
8
6
4
2
V306 V307 V311
SAMSUNG Proprietary-Contents may change without notice
HDC300
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17
17
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13 13
11
11
9
9
7
8 7
5
6 5
3
4 3
1
2 1
V309 V310
10-12
PWR_ON
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
MIC-
C310