LG -E455 Service Manual page 128

POWER ON KEY
PWR_ON_SW_N
R507
BATT_TEMP_ADC
1K
DNI_VARISTER_1005
LGE Internal Use Only
R578
1K
PWR KEY(R578)
Battery Conn.
1.2V
VBATT
VTREF
2mm
ZD500
C500
VA522
100n
BATTERY CONNECTOR(CN500)
CN507
CN500
D1
1
2
3
4
C501 C519 C502
47u
D2
100p 1u
- 128 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
2
1
For MTK Fuel Gauge
R510
20m
BATT_ID_PULLUP
R581
BATT_ID
100
Only for training and service purposes
REV.B
FGN_IC