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This schematic is for for Alva GSM900/1800/1900.
Below describes the changes for different variants of Alva.
E1
Clamp
1
GND
Alva 850/1800/1900
ROA1281954/2
Will be connected
GND to GND in PCB
Z5120 = RTN201974/3 R1A
N5704 = RTN201995/2
L5711 = REG 724 9341/68
SHIELDCAN_ALVA_RF1_14D
SXA1097237 R1A
GSM_TEMP GSM_TEMP
E2 GSM_TEMP
BT_MCLK BT_MCLK
BT_MCLK
Clamp
1 MCLK0 MCLK0
GND MCLK0
IRX_TX_N IRX_TX_N
Will be connected IRX_TX_N
IRX_TX_P IRX_TX_P
to GND in PCB
IRX_TX_P
QRX_TX_N QRX_TX_N
QRX_TX_N
QRX_TX_P QRX_TX_P
QRX_TX_P
Edge1_PA Edge1_PA
SHIELDCAN_ALVA_RF2 Edge1_PA
SXA1096546 R2A PON_PA
PON_PA
PON_PA
DCS DCS
DCS
MODE_SELECT MODE_SELECT
MODE_SELECT
RAMP RAMP
RAMP
E3 RF_DATA RF_DATA
RF_DATA
Clamp RF_CLK RF_CLK
1 RF_CLK
GND RF_EN RF_EN
RF_EN
Will be connected TRX_EN TRX_EN
TRX_EN
to GND in PCB
PON_SW PON_SW
PON_SW
AFC AFC
AFC
B_01_Basband_Top R_01_Radio_Top
SHIELDCAN_ALVA_BB
SXA1096684 R1A
E4
Clamp
1
GND
Will be connected
to GND in PCB
SHIELDCAN_BT Confidential
SXA1096815 R1A
Approved according to 00021-LXE 107 42/1
SCHEMA DIAGRAM
Sony Ericsson SEMC/BGNUBEB Patrik Hansson
SEMC/BGNUBEB Johan Mercke 2007-03-28 J
ALVA MR1
1911-ROA 128 1868/2 1 (1)