LG GD910 Service Manual page 47
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Also See for GD910:
- User manual (370 pages) ,
- User manual (82 pages) ,
- User manual (274 pages)
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4. RF Circuit Technical Brief
U101
1
_PR
2
_CLR
3
AFC
Q
4
GND
NC7SZ74L8X
LGE Internal Use Only
VBAT
RF_TEMP
R100
390K
R101
100K
PA_LEVEL
2G_IP
2G_IN
2G_QP
2G_QN
3G_RX_IP
3G_RX_IN
3G_RX_QP
3G_RX_QN
3G_TX_IP
3G_TX_IN
3G_TX_QP
3G_TX_QN
3G_VGC_TX
WDCDC_VCON
R104
22K
(1%)
TXON_PA
ANT_SEL1
_CHG_EOC
SPK_AMP_EN
PA_MODE
ANT_SEL2
ANT_SEL3
I2C2_SDA_TOUCH
1V8_SD
I2C2_SCL_TOUCH
2G_EN
_PPR
2G_DATA
2G_CLK
3G_EN
3G_DATA
3G_CLK
8
VCC
7
CK
6
D
26MHZ
5
_Q
USB_EN
Figure 4.1-3] Schematic of RF Control Signals
- 48 -
GD910 service manual
E3
M0
D2
M1
D3
M2
C1
M3
C2
M4
C4
M5
B4
M6
C5
M7
B5
M8
B6
M9
C6
M10
N6
PAOUT1
L5
BB_I
L6
BB_IX
M5
BB_Q
M6
BB_QX
AC20
ARXP_I
AC21
ARXN_I
AB23
ARXP_Q
AB22
ARXN_Q
AB18
ATXP_I
AC18
ATXN_I
AB19
ATXP_Q
AC19
ATXN_Q
AC16
ATX_VGA_DAC
AC15
ATX_PA_DAC
AB17
ATX_PA_ADC
AC17
AIREF
V6
T_OUT0
AB8
T_OUT1
P7
T_OUT2
W11
T_OUT3
U10
T_OUT4
U9
T_OUT5
AA10
T_OUT6
W10
T_OUT7
N7
T_OUT8
W9
T_OUT9
AA11
T_OUT10
W8
T_IN0
AA8
T_IN1
AB2
RF_STR0
AC4
RF_STR1
V9
RF_DATA
AA5
RF_CLK
A3
I2RF_STR0
B2
I2RF_DATA
A2
I2RF_SCLK
Y3
AFC
C10
CLKOUT0
C8
CLK26M
F11
F26M_1
R7
MMCI1_CMD
T6
MMCI1_DAT0
AB13
MMCI1_CLK
P10
MMCI1_DAT1
V5
MMCI1_DAT2
W12
MMCI1_DAT3
AB21
MMCI2_CMD
AA20
MMCI2_DAT0
L17
MMCI2_CLK
V8
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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