LG GW520 - Page 56

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. RF Circuit Technical Brief
GW520 service manual
Figure 4.1-3] Schematic of RF Control Signals
VDDA_BB
VDDP_DIGC1
(1%)
VDD_ANALOG
VDDA_DIGC2
VDDP_MEM
VDDP_MMC
VDD_IO_LOW1
VDD_PLL0
0.1uC143
NC7SZ74L8X
CK
7
6
D
GND
4
3
Q
8
VCC
_CLR
2
1
_PR
_Q
5
U101
EUSY0306201
22KR105
1V8_SD
T_IN1
AA3
Y8
T_OUT0
AB7
T_OUT1
AB5
T_OUT10
V9
T_OUT2
T_OUT3
AA8
T_OUT4
W9
V8
T_OUT5
T_OUT6
AB3
T_OUT7
AB4
W8
T_OUT8
T_OUT9
AC1
AB1
T_IN0
PAOUT1_1
P4
PAOUT1_2
M8
RF_CLK
W7
W5
RF_DATA
RF_STR0
AA1
AC3
RF_STR1
MMCI1_CLK
AB9
W10
MMCI1_CMD
AB6
MMCI1_DAT[0]
Y11
MMCI1_DAT[1]
V10
MMCI1_DAT[2]
AA9
D7
F26M
CLK26M
A6
E8
CLKOUT0
M4
BB_Q
P5
BB_QX
ARXP_I
AD15
AD17
ARXP_Q
AD13
ATXN_I
ATXN_Q
AD14
ATXP_I
AE13
ATXP_Q
AE14
ATX_PA_ADC
AE12
ATX_PA_DAC
AE11
AD11
ATX_VGA_DAC
L5
BB_I
M5
BB_IX
AFC
W6
AD12
AIREF
AE16
ARXN_I
ARXN_Q
AE17
SLIDE_KEY_LED
_CHG_EN
MMC_CLK
MMC_CMD
MMC_D0
AFC
MMC_D2
MMC_D1
MMC_DETECT
_PPR
3G_VGC_TX
2G_CLK
2G_DATA
2G_EN
26MHZ
ANT_SEL1
2G_IP
2G_IN
2G_QP
2G_QN
3G_RX_IN
3G_RX_QN
3G_RX_IP
3G_RX_QP
3G_TX_IN
3G_TX_QN
3G_TX_IP
3G_TX_QP
_CHG_EOC
PA_LEVEL
ANT_SEL2
TOUCH_SDA
TOUCH_SCL
TXON_PA
PA_MODE
DSR
ANT_SEL3