Only For Training And Service Purposes - LG GW520 Service Manual

1
_PR
2
_CLR
3
AFC Q
4
GND
Copyright © 2009 LG Electronics. Inc. All right reserved.

Only for training and service purposes

PA_LEVEL
2G_IP
2G_IN
2G_QP
2G_QN
3G_RX_IP
3G_RX_IN
3G_RX_QP
3G_RX_QN
3G_TX_QP
3G_TX_QN
3G_VGC_TX
TXON_PA
ANT_SEL1
SLIDE_KEY_LED
_CHG_EOC
MMC_DETECT
PA_MODE
ANT_SEL2
1V8_SD
ANT_SEL3
TOUCH_SDA
TOUCH_SCL
_CHG_EN
U101
_PPR
2G_DATA
8
VCC 2G_CLK
7
CK
6
D
MMC_CMD
5
_Q MMC_D0
MMC_CLK
EUSY0306201
MMC_D1
NC7SZ74L8X
MMC_D2
Figure 4.1-3] Schematic of RF Control Signals
GW520 service manual
P4
PAOUT1_1
M8
PAOUT1_2
L5
BB_I
M5
BB_IX
M4
BB_Q
P5
BB_QX
AD15
ARXP_I
AE16
ARXN_I
AD17
ARXP_Q
AE17
ARXN_Q
AE13
3G_TX_IP ATXP_I
AD13
3G_TX_IN ATXN_I
AE14
ATXP_Q
AD14
ATXN_Q
AD11
ATX_VGA_DAC
AE11
ATX_PA_DAC
(1%) AE12
ATX_PA_ADC
R105 22K
AD12
AIREF
Y8
T_OUT0
AB7
T_OUT1
V9
T_OUT2
AA8
T_OUT3
W9
T_OUT4
V8
T_OUT5
AB3
T_OUT6
AB4
T_OUT7
W8
T_OUT8
AC1
T_OUT9
AB5
DSR T_OUT10
AB1
T_IN0
AA3
T_IN1
AA1
2G_EN RF_STR0
AC3
RF_STR1
W5
RF_DATA
W7
RF_CLK
W6
AFC
E8
CLKOUT0
D7
26MHZ F26M
A6
CLK26M
W10
MMCI1_CMD
AB6
MMCI1_DAT[0]
AB9
MMCI1_CLK
Y11
MMCI1_DAT[1]
V10
MMCI1_DAT[2]
AA9
- 57 -
4. RF Circuit Technical Brief
VDDA_BB
VDD_ANALOG
VDDP_DIGC1
VDDA_DIGC2
VDDP_MEM
VDD_PLL0
VDD_IO_LOW1
VDDP_MMC
LGE Internal Use Only