LG KF390 Service Manual page 87
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Also See for KF390:
- User manual (90 pages) ,
- Service manual (17 pages) ,
- User manual (196 pages)
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4. TROUBLE SHOOTING
PM_ON_SW_N
BAT_FET_N
VREG_S2_2.1V
MSMC_1.25V
VREG_S3_2.7V
MSMC_1.25V
LGE Internal Use Only
PM_ON_SW_N
BATT_FET
S2
S1
D5
D4
D3
D2
VREG_MSME_1.8V
MSMC_1.25V
VREG_MSMP_2.7V
MSMC_1.25V
Copyright © 2008 LG Electronics. Inc. All right reserved.
- 88 -
KB400
END_Power
VA413
ICVS0514X350FR
ICHARGEOUT
+VPWR
BATT_FET_N
G
SIA411DJ
Q301
D1
VBATT
Only for training and service purposes
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Table of Contents
Troubleshooting
