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Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
5.Trouble Shooting
(RF)
4.9.2.1 WIFI/BT/FM Radio Module Part
Schematic of WIFI/BT Module
U600
03
92
82
72
62
52
42
32
22
12
02
91
81
71
61
31
32
15
14
33
34
13
35
12
36
11
37
10
38
9
39
8
40
7
6
41
5
4
42
43
3
44
2
45
1
64
74
84
94
05
15
25
35
45
1
D
N
G
2
D
N
G
3
D
N
G
4
D
N
G
B_
E
K
A
W_
T
S
O
H_
L
W
D
XT
_T
R
A
U_
T
B
N_
ST
C_
T
R
A
U_
T
B
N_
ST
R_
T
R
A
U_
T
B
D
X
R_
T
R
A
U_
T
B
ANT
BT_PCM_CLK
GND5
BT_PCM_OUT
VDD_WL_PA
BT_PCM_SYNC
BT_PCM_IN
SDIO_CMD
SDIO_CLK
VDD_BT_PA
SDIO_D3
SDIO_D2
S_CLK_IN
SDIO_D1
GND6
SDIO_D0
FM_ANT
WL_RST_N
BT_GPIO_0
WL_WAKE_B
BT_GPIO_1
REG_ON
BT_GPIO_3
VBAT_IN
BT_GPIO_4
BT_GPIO_7
SR_VLX1
SR_VLX1BB
F_CLK_IN
F_CLK_OUT
B
B2
XL
V_
R
S
B
BT
U
O
V_
R
S
OI
D
D
V
U
P_
L
AT
X
D
S_
OI
D
D
V
T
U
O_
2
P1
_
GI
D
T
U
O_
2
P1
_
GL
N
A
O
DL
V2
P1
_
NI
V
T
U
O_
2
O
DL
NL
A
D
S_
T
B
L
C
S_
T
B
1
OI
D
U
A
2
OI
D
U
A
N_
T
S
R_
T
B
7
D
N
G
L601
4.7n
p5.
1
42
6
C
C604
0.5p
ANT600
SDBTPTR3015
2
3
1
4
DUMMY3
FEED
DUMMY2
DUMMY1
600
FB600
1u
C621
C620
8p
VREG_MSMP_2.6V
C606
820p
DNI
C603
C605
100p
1n
C622
1u
C601
VDD_TCXO
2.2uF
C619
+VPWR
C600
1u
VDD_TCXO
R605
100K
26MHz
X600
TG-5010LH-87N
4
2
3
1
NC
OUT
GND
VCC
U601
5
3
2
4
1
VOUT
VDD
GND
CE
D
N
G
P
70
6
C
u1 u1
80
6
C
u1
90
6
C
01
6
C
F
U1.
0
Fu
7.
4
11
6
C
Fu
2.
2
20
6
C
C612
0.1UF
C613
0.1UF
4.7u
L600
4.7uF
C615
3.3u
L610
C616
0.1UF
C617
4.7uF
0
R600
0.1u
C625
C618
10uF
10u
C614
TP602
+VPWR
VREG_MSMP_2.6V
VREG_MSMP_2.6V
N_
T
E
S
E
R_
T
B
WLAN_RESET_N
BT_HOST_WAKEUP
WLAN_CMD
WLAN_CLK
WLAN_SDIO[1]
WLAN_SDIO[2]
WLAN_SDIO[3]
WLAN_SDIO[0]
BT_PCM_DOUT
BT_PCM_DIN
BT_PCM_SYNC
BT_PCM_CLK
BT_UART1_CTS
SLEEP_CLK
BT_WAKEUP
R
_
O
I
D
U
A
_
M
F
WLAN_HOST_WAKEUP
FM_ANT
L
_
O
I
D
U
A
_
M
F
BT_UART1_TXD
BT_UART1_RXD
Q
E
R_
KL
C
CLK_REQ
ANT_WLAN_BT
ANT_WLAN_BT
REG_ON
CLK_IN
CLK_IN
BT_UART1_RTS
LDO for TCXO
26MHz TCXO
close to 3
close to 17
5.Trouble Shooting
(RF)
4.9.2.1 WIFI/BT/FM Radio Module Part
Schematic of WIFI/BT Module