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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-2
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3
1
2
C
5
1
8
D500
VREG_RFRX1_2.7V
VREG_MSMC2_1.2V
VREG_TFLASH_3.0V
R504
VREG_TCXO_2.85V
C
5
0
5
VREG_MSMA_2.6V
C
5
0
7
V_IN
R
5
0
5
VREG_MSMA_2.6V
VREG_BT_1.8V
C515
C
5
0
0
VREG_MSMC1_1.2V
C
5
0
4
C
5
1
9
R507
OSC500
C
5
2
4
C
5
1
2
VREG_SYNTH_2.7V
C
5
1
7
VREG_MSMP_2.6V
R508
C
5
0
2
VUSB_FET_5V
C
5
2
1
C
5
1
1
C
5
1
0
VREG_USIM_3.0V
BAT500
N
E
G
2
P
O
S
1
C
5
2
2
R
5
0
1
VREG_PA_2.1V
C
5
0
6
R
5
0
0
NC
OUT
1
VDD 2
VREG_MSME_1.8V
R
5
0
3
VREG_MSMC1_1.2V
U502
GND
4
3
TR500
1
3
2
C
5
0
3
VREG_MSMP_2.6V
VREG_MSMC2_1.2V
L502
L500
R
5
0
9
R506
C
5
2
0
C
5
0
1
C
5
1
3
C
5
2
6
C
5
2
3
VREG_PA_2.1V
C
5
0
9
R502
R
5
1
0
L503
C
5
1
6
C
5
1
4
N4
VSW_PA
N5
MPP_2
N6
VSW_MSMC2
N
7
V
D
D
_
C
2
_
P
A
N8 VSW_MSMC1
N
9
V
D
D
_
C
1
_
E
M9
VREG_MSME
N1
MPP_14
N10 VSW_MSME
N11
VREG_RUIM1
N12
VREG_GP3
N13
XTAL_OUT
N2
VIB_DRV_N
N3
MPP_15
M13
XTAL_IN
M2
USB_D_M
M3
MPP_13
M4
VREG_PA
M5
MPP_16
M6
VREG_MSMC2
M7
MPP_1
M8
VREG_MSMC1
L
1
U
S
B
_
V
B
U
S
L12 MPP_7
L
1
3
V
_
B
A
C
K
U
P
L2
USB_D_P
M1
VREG_USB
M
1
0
V
D
D
_
R
U
IM
M11
MPP_8
M12
AMUX_OUT
K13
VREG_MMC
K2 MPP_22
K4
USB_SE0
K5 MPP_11
K6
MPP_12
K7
SLEEP_CLK
K8 MPP_9
K9
MPP_10
J5
G
N
D
J6
G
N
D
J7
G
N
D
J8
G
N
D
J9
G
N
D
K
1
V
S
W
_
5
V
SBDT|SSBI
K10
K
1
2
V
D
D
_
G
P
2
H
8
G
N
D
H
9
G
N
D
J1
V
R
E
G
_
5
V
J10
SBST
J1
2
V
D
D
_
M
S
M
P
J13
VREG_GP2
J2
MPP_21
J4
USB_DAT
H10
SBCK
H12
TCXO_IN
H13
VREG_MSMP
H2
USB_ID
H4
USB_OE_N
H
5
G
N
D
H
6
G
N
D
H
7
G
N
D
G
2
V
D
D
_
W
L
A
N
G4 MPP_20
G
5
G
N
D
G
6
G
N
D
G
7
G
N
D
G
8
G
N
D
G
9
G
N
D
H1
FLSH_DRV_N
F
6
G
N
D
F
7
G
N
D
F
8
G
N
D
F
9
G
N
D
G1
VREG_WLAN
G10
TCXO_OUT
G12
MIC_BIAS
G13
VREG_MSME2
E
9
G
N
D
F1 LCD_DRV_N
F10
PON_RESET_N
F
1
2
V
D
D
_
G
P
6
F
1
3
V
D
D
_
M
S
M
E
2
F
2
V
B
A
T
F4
MPP_19
F
5
G
N
D
E12
VREG_SYNT
E13
VREG_GP6
E2
VCHG
E4
BAT_FET_N
E
5
G
N
D
E
6
G
N
D
E
7
G
N
D
E
8
G
N
D
D4 MPP_5
D5
MPP_18
D
6
V
D
D
_
R
F
2
D
7
V
D
D
_
R
_
S
P
K
R
D8 MPP_3
D9
TCXO_EN
E1
KPD_DRV_N
E10
PS_HOLD
C12
KPD_PWR_N
C13
REF_BYP
C2
ISNS_M
D1
USB_CTL_N
D10 MSM_INT_N
D
1
2
V
D
D
_
T
C
X
O
D13
VREG_TCXO
D2
CHG_CTL_N
B3
MPP_17
B4
SPKR_IN_R_P
B5 SPKR_IN_R_M
B6 SPKR_IN_L_M
B7
SPKR_IN_L_P
B
8
V
D
D
_
L
_
S
P
K
R
B
9
V
D
D
_
R
F
1
C1
ISNS_P
A8
VREG_RFRX1
A9
VREG_GP4
B1
VIDEO_OUT
B
1
0
V
D
D
_
A
N
A
B11
VCOIN
B12
MPP_4
B13
VREG_GP5
B2
VIDEO_IN
A12
REF_ISET
A
1
3
R
E
F
_
G
N
D
A2
VREG_GP1
A3
VREG_RFTX
A4
SPKR_OUT_R_P
A5
SPKR_OUT_R_M
A6
SPKR_OUT_L_M
A7
SPKR_OUT_L_P
U500
1
NC
2
NC
MPP_6
A1
A10
VREG_RFRX2
A11
VREG_MSMA
VREG_AUX2_2.9V
V_IN
VREG_MSMP_2.6V
C
5
0
8
R520
VUSB_FET_5V
L501
VREG_MSME_1.8V
PS_HOLD
JIG_ON
LCD_SEL
ON_SW
PS_HOLD
UART_SEL
REF_OUT
AMUX_OUT
VF
THERM_OUT
CLK19.2M_TCXO
BUFF_TCXO
REF_GND
REF_GND
JIG_ON_N
nMSM_INT
TCXO_EN
PON_RESET_N
SSBI_PMIC
SLEEP_CLK
Summary of Contents for GT-B7320L
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