LG GX500 Service Manual page 125

7. CIRCUIT DIAGRAM
12 11
L
WLAN+BT+FM
K
CN601 CN602
L602 1.5n
1 1
C608
C607
J 0
DNI
close to 3
C688 C687
10uF 0.1u
FB602
I
R699
0
H
G
F
E
GSM850 / 900_TX
GSM 1800 / 1900_ TX
GSM850 / 900_RX
GSM 1800 / 1900_ RX
D
GND601 ANT601
SW602
5p L 611
2
ANT COMMON
1
G3 G4
4 3
C626
C632
0 C641
C 18n
0.75p
B
R604
S2_RF_TEMP
100K
PT601
10K
A
12 11
LGE Internal Use Only
10 9 8
TP699
TP698
TP697
TP696
C606
1p
1
ANT
45
BT_PCM_CLK
2 44
GND5 BT_PCM_OUT
3 43
VDD_WL_PA BT_PCM_SYNC
42
BT_PCM_IN
4
WLAN_CMD
SDIO_CMD
5 41
WLAN_CLK SDIO_CLK VDD_BT_PA
6
WLAN_SDIO[3]
SDIO_DATA_3
7 40 TP601
WLAN_SDIO[2] SDIO_DATA_2 32KHZ CLK32K
8 U601 39
WLAN_SDIO[1]
SDIO_DATA_1 GND7
9 38
WLAN_SDIO[0] SDIO_DATA_0 FM_ANT FM_ANT
TP695
10 37
WLAN_ENABLE WL_RST_N BT_WAKE_B BT_WAKEUP
11 36 TP694
WLAN_WAKEUP WL_WAKE_B BT_HOST_WAKE BT_HOST_WAKEUP
12 35
REG_ON REG_ON BT_GPIO_3
13 34
VBAT_IN BT_GPIO_4
33
BT_GPIO_7
14
SR_VLX1
TP693
15 32
C619 SR_VLX1BB XTALP CLK_IN
3.3UH 31
C699 C698 XTALN
4.7uF L607
2.2uF 0.1u
4.7u
L699
TP692
C692 C691 BT_ENABLE
1uF
0.1u
FM_R
FM_L
C697
close to 17
C696
10uF
C695
0.1u C694 C693
0.1u
4.7uF 2.2uF
VC1
VC1 (FE1) VC2 (FE2)
H L
VC2
L H
C637 C636
L L 47P 47P
L L
L609
6.8p
PGND GSM850_900_IN
15 7
GND3 TX_EN
8 6
ANT C635 C611 GND2
17 DNI 11
22n GND1 VRAMP
14 5
100NH
TQM7M5005H
BY_CAP2 VBATT
L601 9 4
U602
BY_CAP1 BS
13 3
GSM850_900_OUT MODE_SELECT
10 2
DCS_PCS_OUT DCS_PCS_IN
C629 C614 12 1
C618
C612 0.01U 0.01U
1.2p
10n
C630 C617
C628 C627
C610 C624 C615 C642
4.7p 4.7p
2.7P 2.7P 3.3p 3.3p 3.9P 3.9P
GSM850 GSM900 DCS1800 PCS1900
10 9 8
7 6 5
BT_PCM_CLK
BT_PCM_RX
BT_PCM_SYNC
BT_PCM_TX FB601
C689
1uF
LDO for TCXO
VBAT
U604
1
VIN VOUT1
2
TOUCH_EN EN1 VOUT2
3
P2 GND
4
P1 EN2
C643
R607
1u 100K
R601
TXLB
100P
PA_EN
R605
TX_RAMP
10K
S2_PA_BAND
PA_MODE_2
C620 C631 C623 C639
C613 C640 C622
100P 100P 100P 47P
33u 27P
1u
7 6 5
- 126 -
4 3 2
26MHz TCXO
VDD_TCXO
2V7_VTOUCH VDD_TCXO
26MHZ
VCC GND
4 2
CLK_IN
OUT NC
3 1
TG-5010LH-87N X601
8
7
C644
6
1uF
5
BT_CLK_REQ
C647
C646
1u 1u
C633
0.1U
SIM2_I2S1_WA0
SIM1_I2S1_WA0
BT_PCM_SYNC
SIM1_I2S1_TX
U603
NLAST9431MT
1 12
BT_PCM_TX
R603 NC_A1 COM_D
BT_SEL 2 11
SAB NO_D0 SIM2_I2S1_TX
10K 3 10
SIM2_I2S1_CLK NO_B0 SCD
4 9
BT_PCM_CLK COM_B NC_C1 SIM1_I2S1_RX
SIM1_I2S1_CLK
SIM2_I2S1_RX
BT_PCM_RX
4 3 2
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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