Level 3 Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-18
C
21
6
C
22
6
C
2
28
C5
62
C
56
4
C
5
65
C
56
7
C57
0
C70
2
C70
3
C
70
6
C
70
8
C716
C
8
00
C801
C8
02
C80
3
C
80
4
C80
7
C
80
8
C809
C
81
0
C
81
2
C
81
3
C8
15
C
81
7
C
82
2
C
82
3
C8
24
C
82
5
C
82
6
C82
7
C
8
30
C831
C83
5
C
83
7
C838
C
83
9
C84
1
C
8
43
D700
D
U
F
8
00
L2
02
L203
L7
0
0
L7
01
L702
L80
0
L80
1
L
8
02
L80
3
L
80
5
L806
L
80
7
L808
L809
L81
0
MIC200
OSC800
R
20
5
R3
39
R3
40
R
51
5
R5
25
R53
6
R537
R54
6
R547
R548
R
54
9
R
55
0
R702
R70
3
R706
R
7
1
1
R
7
1
2
R
8
02
R
80
9
R811
R812
R813
R814
R815
TA201
TA
700
T
A
C
70
2
H
K
W
07
3
6-
01
00
1
1
H
K
W
07
3
6
-0
10
01
1
T
P
_
B
T
_
H
O
S
T
_
W
A
K
E
TP_BT_RST_N
TP_BT_UART_CTS
T
P
_B
T
_V
R
E
G
_E
N
TP_BT_WAKE
TP
800
TP
801
U
20
2
U505
U
70
3
U
80
2
B
C
M
43
30
F
K
F
F
B
G
B
C
M
43
30
F
K
F
F
B
G
U8
03
W
LA
N
_S
D
IO
_C
LK
ZD
20
2
ZD
701
ZD
702
ZD704
Z
D
70
5
ZD706
C
30
4
C
5
03
C
5
05
C508
C
5
15
C5
37
C54
7
C
55
3
C
55
4
C
56
0
C
5
66
C
57
1
C
57
2
C573
C8
21
R
31
1
R
31
2
R
31
3
R
31
4
R
31
5
R
31
6
R
31
7
R
31
8
R
31
9
R3
35
R338
R501
R
51
3
R
53
3
R54
4
R
8
08
R
8
10
U
50
4
U
5
07
U80
1
UM
E30
0
A
N
T
80
0
VDD_WRF_1.2V
VREG_1.8V
L
8
0
3
VOUT_3.3V
VIN_LDO
R
8
1
2
TP801
C800
VDD_CORE_1.2V
WLAN_SDIO_CLK
VOUT_3.3V
R
8
1
5
VDD_LN_1.2V
TP_BT_WAKE
VDD_CORE_1.2V
M5
SDIO_DATA_1
M6
SDIO_CLK
M7
SDIO_CMD
M8
SDIO_DATA_2
V
O
U
T
_
C
L
D
O
M
9
TP_BT_UART_RXD
L9
WL_REG_ON
M1
RF_SW_CTRL_5
M
1
0
V
IN
_
L
D
O
M
1
1
S
R
_
P
V
S
S
M12
SR_VLX
M2
RF_SW_CTRL_1
M3
RF_SW_CTRL_0
M4
RF_SW_CTRL_6
L
1
2
S
R
_
V
D
D
B
A
T
1
L2
HSIC_RREF
L3
RF_SW_CTRL_2
L4
RF_SW_CTRL_4
L5
JTAG_SEL
W
L
_
V
D
D
C
L
6
L7
SDIO_DATA_0
L8
SDIO_DATA_3
K5
RF_SW_CTRL_3
K
6
W
L
_
V
D
D
IO
K
7
V
D
D
_
IS
L
A
N
D
K
8
B
T
_
V
D
D
C
K9
BT_REG_ON
L1
HSIC_DATA
L
1
0
V
O
U
T
_
L
N
L
D
O
1
L11
SR_VLX
J9
EXT_SMPS_REQ
K1
HSIC_STROBE
K
1
0
P
M
U
_
A
V
S
S
K
1
1
S
R
_
V
D
D
B
A
T
2
K
1
2
S
R
_
V
D
D
B
A
T
1
K
2
H
S
IC
_
A
V
S
S
K3
RF_SW_CTRL_7
K
4
V
D
D
IO
_
R
F
J1
2
V
O
U
T
_
3
P
3
J2
W
L
_
V
D
D
C
J3
WL_GPIO_3
J4
V
S
S
C
J5
V
S
S
C
J6
V
S
S
C
J7
B
T
_
V
D
D
IO
J8
B
T
_
V
D
D
C
H5
WL_GPIO_5
H
6
W
L
_
V
D
D
C
H7
LPO
H8
BT_I2S_WS
H9
BT_I2S_DO
J1
H
S
IC
_
A
V
D
D
1
2
J10
EXT_PWM_REQ
J1
1
V
O
U
T
_
3
P
1
G9
BT_I2S_CLK
H1
WL_GPIO_1
H10
BT_GPIO_5
H11
BT_GPIO_1
H12
BT_GPIO_3
WL_GPIO_0
H2
H3
WL_GPIO_2
H4
WL_GPIO_6
BT_GPIO_2
G12
G2
WRF_XTAL_GND
G3
WRF_XTAL_VDD1P2
G4
WL_GPIO_4
G5
BT_PCM_OUT
G
6
V
S
S
C
G
7
V
S
S
C
V
S
S
C
G
8
F5
BT_PCM_SYNC
BT_UART_RTS_N
F6
F
7
W
L
_
V
D
D
C
F
8
B
T
_
V
D
D
C
F9
BT_GPIO_0
G1
WRF_XTAL_ON
G10
BT_I2S_DI
G11
BT_GPIO_4
E
9
F
M
_
V
S
S
F1
WRF_XTAL_OP
F10
BT_RTS_N
F11
BT_TMO
F12
BT_CLK_REQ_OUT
F2
WRF_TCXO_IN
F3
WRF_AFE_GND
F4
BT_PCM_IN
E12
FM_RXP
E2
WRF_VCO_GND
E3
WRF_VDDAFE_1P2
E4
WRF_RES_EXT
E5
BT_PCM_CLK
E6
BT_UART_RXD
E7
BT_UART_TXD
E8
BT_CLK_REQ_MODE
D5
WRF_G_TSSI_IN
D6
BT_UART_CTS_N
D7
BT_CLK_REQ_IN
D8
BT_CLK_REQ_POL
D
9
B
T
_
P
L
L
V
S
S
E1
WRF_TCXO_VDD
E
1
0
F
M
_
V
D
D
2
P
5
E
1
1
F
M
_
V
S
S
V
C
O
C
9
B
T
_
V
C
O
V
S
S
D1
WRF_VDD_VCOLDO_IN_1P8
D
1
0
F
M
_
P
L
L
V
S
S
D
1
1
F
M
_
R
F
V
S
S
D12
FM_RXN
D2
WRF_VDDANA_1P2
D3
WRF_VCOLDO_OUT_1P2
D4
WRF_GPIO_OUT
C
1
2
F
M
_
R
F
V
D
D
_
1
P
2
C2
WRF_LOGEN_A_GND
C3
WRF_ANA_GND
C4
WRF_PADRV_VDD
C5
WRF_PADRV_GND
C6
WRF_GNDLNA_2G
C
7
B
T
_
IF
V
S
S
C
8
B
T
_
V
S
S
B5
WRF_GNDPA_2G
B6
WRF_VDDLNA_1P2_2G
B
7
B
T
_
IF
V
D
D
1
P
2
B
8
B
T
_
F
E
V
S
S
B
9
B
T
_
R
F
V
S
S
C1
WRF_LOGEN_A_VDD1P2
C
1
0
F
M
_
V
S
S
A
U
D
IO
C
1
1
F
M
_
IF
V
D
D
1
P
2
A
9
B
T
_
L
N
A
V
D
D
1
P
2
B1
WRF_VDDLNA_1P2_5G
B
1
0
B
T
_
P
L
L
V
D
D
1
P
2
B
1
1
F
M
_
V
D
D
A
U
D
IO
B12
FM_TX
WRF_GNDLNA_5G
B2
B3
WRF_A_TSSI_IN
B4
WRF_GNDPA_5G
A12
FM_AOUT2
A
2
W
R
F
_
R
F
O
U
T
_
5
G
A3
WRF_VDDPA_5G
A4
WRF_VDDPA_2G
A5
WRF_RFOUT_2G
A6
WRF_RFIN_2G
A
7
B
T
_
P
A
V
D
D
3
P
3
A8
BT_RF
U802
1
N
C
2
N
C
A
1
W
R
F
_
R
F
IN
_
5
G
A
1
0
B
T
_
V
C
O
V
D
D
1
P
2
FM_AOUT1
A11
R
8
1
4
C815
TP_BT_UART_RTS
V_BAT
C817
VIN_LDO
C803
1
0
V
1
1
0
6
C823
4700nF
TP_BT_HOST_WAKE
C809
R809
VOUT_3.1V
C822
R
8
1
1
TP_BT_UART_CTS
C825
VIN_LDO
VDD_CORE_1.2V
C804
L806
TP_BT_UART_TXD
VREG_1.8V
C810
C826
VDD_WRF_1.2V
VDD_LN_1.2V
R
8
1
3
L805
TP800
V_BAT
TP_BT_RST_N
VOUT_3.1V
VDD_BT_1.2V
TP_BT_VREG_EN
C807
V_BAT
VOUT_3.3V
C824
VREG_1.8V
VDD_BT_1.2V
C808
WLAN_RX
WLAN_TX
BT_RST_N
XTAL_37400_IN
BT_RXD
BT_TXD
BT_PCM_CLK
BT_RTS
BT_WIFI_FM_CLK32K
WLAN_HOST_WAKE
BT_HOST_WAKE
BT_PCM_DIN
XTAL_37400_OUT
BT_WAKE
BT_CTS
BT_PCM_SYNC
BT_PCM_DOUT
WLAN_nRST
WLAN_SDIO_DATA(3)
WLAN_SDIO_DATA(0)
SW_WLAN_TX
BT_VREG_EN
LNA_2G_EN
WLAN_SDIO_DATA(2)
WLAN_SDIO_CMD
WLAN_SDIO_CLK
WLAN_SDIO_DATA(1)
SW_BT
SW_WLAN_RX
BT_RF
L
8
1
0
C838
C831
L
8
0
2
VOUT_3.3V
C843
L809
C835
C837
L807
C827
C_TX
1
1
G
N
D
LNA_EN
6
5
N
C
N
C
1
2
1
3
N
C
7
RX_OUT
T
X
_
IN
4
VDD
8
U803
1
ANT
9
B
T
C
_
B
T
10
C_RX
2
3
3
IN 4
OUT
2
DUF800
1
GND1
GND2
C830
C839
L808
C841
1
1
2
2
ANT800
BT_RF
SW_BT
SW_WLAN_RX
SW_WLAN_TX
LNA_2G_EN
WLAN_RX
WLAN_TX
C
8
1
2
2
4
3
1
OSC800
C
8
1
3
R802
XTAL_37400_IN
XTAL_37400_OUT
C821
R810
R808
6
VCC
4
Y
U801
A
2
3 GND
NC
1
NC 5
VREG_1.8V
SLEEP_CLK0
BT_WIFI_FM_CLK32K
Summary of Contents for GT-I8350
Page 74: ......