User Guide

SGH-E620 Flow Chart of Troubleshoo ting
2-2
VCCA_2.8
G
910
G
1
22
334
4
5
5
6
6
G
78
G
VCCD_1.8
CN100
1
C110
VCCD_2.8
C115
VCCD_1.5
VBAT
C109
VCCB_2.8
A13
VLDO_4
B12
VLDO_5
B10
VLDO_6
A14
VLDO_7
C12
VRTC
H11
VSIM
K12
VEXT
E14
VIB_DRV
F15
VL4S_A
A12
VL4S_B
B11
VL5S_A
D10
C9
VL5S_B
VLDO_1
G11
VLDO_2
J12
VLDO_3
VDD12
J13
C11
VDD34
5
D
D
V
0
1
C
SIM_CLK
K14
SIM_IO
J11
SIM_RST
K11
UP_CLK
N9
UP_IO
P10
UP_RST
R10
VACC
F14
VBAT
E13
SCLK_PSC
L8
M7
SDI_PSC
SDO_PSC
N7
RING_DRV
F13
LED1_DRV
G13
LED2_DRV
G12
CH_BDRV
E11
CH_ISEN
F12
CH_RES
D14
K8
CSN_PSC
ADC_AUX1
E10
ADC_AUX2
D15
VRF_2.8
C108
C117
C107
C111
C114
C103
C119
C113
C116
C112
VBAT
VRTC_1.5
C118
C104
UP_CS
KEY_BACKLIGHT
UP_SDO
UP_SDI
UP_SCLK
DCS_TX_EN
GSM_TX_EN
SIMRST
SIMDATA
SIMCLK