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Flow Chart of Troubleshooting
UCP101 (CSP2750)
C127
AGND
VSIM K12
VRTC H11
LED2_DRV G12
LED1_DRV G13
RING_DRV F13
VIB_DRV F15
VLDO_7 C12
VLDO_6 A14
C9
VL5S_B
VL5S_A D10
VLDO_5 B10
VL4S_B B11
VL4S_A A12
VLDO_4 B12
VLDO_3 A13
J12
VLDO_2
UCP101
VLDO_1 G11
VACC F14
K8
CSN_PSC
SCLK_PSC L8
SDO_PSC N7
M7
SDI_PSC
E14
VEXT
VBAT E13
CH_BDRV E11
CH_ISEN F12
D14
CH_RES
ADC_AUX2 D15
ADC_AUX1 E10
VREF A10
E9
CREF
RTC_ALMN H10
C122
R115
VCCB_2.9
VCCD_1.8
VCCA_2.9
KEY_BL
DCS_TX_EN
GSM_TX_EN
UP_CS
UP_SCLK
UP_SDO
TA115
C128
C116
C117
C118
UP_SDI
VBAT
ICHRG
TH101
C120
RTCALARM
R112
R114
INTRQ
PWR_KEEP
VBAT
RST
1
10-2
VRTC_1.5
R105
R106
VRF_2.9
VCCD_2.9
VCORE_1.5
C112
C113
C114
C119
VCCB_2.9
R111
C121
1
BAT101
2
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