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G800 Service Manual
6.6.2 Power Supply Check Point
Test
Step
point
U907
2-1
3.8V
Pin#1
U907
2-2
2.8V
Pin#5
U701
2-3
3.8V
Pin#4
U701
2-4
2.8V
Pin#5
Step 2-1
Step 2-1
PANTECH
Typical Value
Condition
2, 3, 4, 5, 6, 7
2, 3, 4, 5, 6, 7
2, 3, 4, 5, 6, 7
2, 3, 4, 5, 6, 7
Fig.6-1
U907 Regulator
Fig.6-2 U907 Regulator Power Supply PCB Layout
Check route connection : VBAT
Check route connection : VCC_RFCHIP
Check route connection : VBAT
Check route connection : VCC_RFCHIP
Step 2-2
Power Supply Schematic
- 44 -
R&D CONFIDENTIAL
Checking Point
Step 2-2
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