LG GW620 - Page 127

- 128 -
LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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4.9.3 Module part
[Figure] Schematic of WiFi/BT module
0
R44
100n
C238
TP53
V7.2_PMSM_GERV
1UF
C26
1UF C28
C322 0.001uF
C168
10uF
0.1uF
C365
0.1uF
C366
4.7uH
L37
L38
3.3uH
4.7uFC113
C167
10uF
4.7uF
C376
C367
0.1UF
C100
0.1uF
U29
LBEH19UNBC
03
92
82 72
62 52 42 32
22 12
02 91
81
71 61
31
3215
14
33
3413
3512
3611
3710
389
398
407
6
415
4
42
433
442
45
1
64
74
84
94
05
15 25 35
45
1DNG 2DNG
3DNG 4
D
N
G
B_EKAW_TSOH_LW
DXT_TRAU_TB
N
_S
TC
_
TRAU
_
TB
N_STR_TRAU_TB DXR_TRAU_TB
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
BB2XLV_RS
BBT
UOV
_RS
OIDDV
UP_LATX
DS_OIDDV
TUO_2P1_GID
TU
O_
2P1
_G
LNA
ODLV2P1_NIV
TUO_2ODLNL
ADS
_
TB
LCS_TB
1OIDUA
2
O
IDUA
N
_
TSR
_
TB
7DNG
C377
8pF
C217
1uF
VREG_MSMP_2.7V
VREG_MSMP_2.7V
1uF
C219
2.2uF
C203
4.7uF
C112
+VPWR
FB17
WLAN_CMD
WLAN_HOST_WAKEUP
WLAN_RESET_N
WLAN_SDIO[3]
WLAN_SDIO[2]
WLAN_SDIO[1]
WLAN_SDIO[0]
BT_WAKEUP
BT_RESET_N
BT_UART_CTS
BT_UART_RTS
BT_UART_TXD
BT_UART_RXD
BT_PCM_OUT
BT_PCM_IN
BT_PCM_CLK
BT_PCM_SYNC
SLEEP_CLK
FM_ANT
WLAN_CLK
WLAN_WAKEUP BT_HOST_WAKEUP
WLAN_BT_IN_OUT
CLK_IN
QER_KLC
FM_R
FM_L
WLAN_REG_ON
close to 17
600 ohm
close to 3
2.2u
C175
ANT6
ANTENNA_PAD
ANT1
ANTENNA_PAD
RP103K281D-TR-F
EUSY0355701
U28
5
32
41
VOUTVDD
GNDCE
DNGP
C260
DNI
C250
DNI
TG-5010LH-87N
26MHZ
X3
42
31
NCOUT
GNDVCC
1uF
C20
VDD_TCXO
1uF
C21
92R
smh
oK
00
1
+VPWR
VDD_TCXO
C313 0.001uF
Fp93
823C
WLAN_BT_IN_OUT
CLK_IN
CLK_REQ
26MHz TCXOLDO for TCXO