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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5. Trouble shooting
- 67 -
5.2 Power on Trouble
Check Points
-Battery Voltage( Need to over 3.35V)
-Power-On Key detection (PWRON signal)
END
VA100
EVL14S02200
VBAT
150R112
KB100
END_KEY
Remote Power On
Q201
2
56
31
4
EMX18
2K
R220
3.3M
R221
10u
C226
R225
100K
R223
2K
330K
R219
2V0_VRTC
RPWRON_EN
RPWRON
END_KEY_IN
PWRON
END
R224
100K
R222
10K
END_KEY_IN
END_KEY
KEY_COL7
KEY_ROW6
TP1