LG -A120 Service Manual page 42

4.1.3 Checking Flow
Check Battery Voltage >
3.35V ?
Push Power ON key and
check the level change of
PWRON key
Check the Voltage of
MT6223D's Output
The Phone wills Power
ON
Start
YES
YES
YES
NO
Charge or Change Battery
NO
Charge or Change Battery
NO
Replace U201
Voltage
VRF 2.8V
VTCXO 2.8V
VCORE 1.8V
VDD 2.8V
AVDD 2.8V
VMEM 1.8V
VRTC 2.7V
42
Measure pin PART
C332 Pin1 TP1
C323 Pin1 TP2
C324 Pin1 TP3
C325 Pin1 TP4
C326 Pin1 TP5
C327 Pin1 TP6
C330 Pin1 TP7