Power Supply Check Point - Pantech G310 Service Manual

G310 Service Manual

6.5.2 Power Supply Check Point

Test
Step
point
U907
2-1 3.8V
Pin#1
U907
2-2 2.8V
Pin#5
Z710
2-3 3.8V
Pin#4
Z710
2-4 2.8V
Pin#5
Typ 3.8V
Typical Value Condition
2, 3, 4, 5
2, 3, 4, 5
2, 3, 4, 5
2, 3, 4, 5
Fig.6-1 U907 Regulator Power Supply PCB Layout
Typ 3.8V
Fig.6-2
U907 Regulator
PANTECH
Checking Point
Check route connection : VBAT
Check route connection : VBAT
Check route connection : VBAT
Check route connection : VCC_RFCHIP
Typ 2.8V
Power Supply Schematic
46
R&D CONFIDENTIAL
Typ 2.8V