Charging Trouble Shooting - LG KE590 Service Manual

4.4.3 Charging Trouble Shooting

- Charging method : CC-CV
- Charger Detection Voltage : About 4.0V
- Charging Time : About 2H under
- Charging Current : About 550mA
- Cut-off Current : 80mA
- Low Battery Alarm
z Talk mode : 3.62V
z Standby mode : 3.50V
- Switch-Off Voltage : 3.35
- Charging Temperature ADC Range
z ~ -20˚C : Small charging operation
z -20˚C ~ 60˚C : Charging
z 60˚C ~ : Not charging operation small charging operation
3.94V 3.93V~3.78V
*STB : Standby mode
(❇ When talk mode, the battery icon starts blinking below 3.62V level)
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Only for training and service purposes
3.78V~3.70V 3.70V~3.62V
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4. TROUBLE SHOOTING
3.62V~3.5V(STB) 3.5V~3.35V
LGE Internal Use Only