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4. TROUBLE SHOOTING
4.16 Checking Common Power Source Block Diagram
Vincenne
PASENSE+
VDDRTC
VDDBUF
VBAT_A
VDD_D
VBAT_C
(2.75V/200mA)
VDDBUCK
VDDPA
SWBUCK
VSSBUCK
VDD_E
(1.8V/100mA)
DCIO
VDD_B
VDD_A
VDD_D
2.75V
VCCB
2.75V
VDIG
2.75V
VBATI
2.8V
REG
V_wivi_A
N101
V_wivi_B
GSM PAM
VCC
UMTS PAM
VCCBIAS
DCDC
VCC
N301
RF
- 134 -
VBAT
0.1ohm
R
L
PBUCK
NBUCK
VBUCK
VDD_IO
VCORE(1.5V)
Ingela
VCCA
Wopy
Herta
WIVI
VBATI
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