Text preview for : SchRF_alex_A2_C_L4_VP4.PDF part of Motorola StarTac Star Tac mobile phone Service Manual
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153Mhz 947.4Mhz 947.4Mhz 794.4Mhz 153Mhz 902.4Mhz
RX275 RXQ IQ REF RXI RX275 RX_EN TX_EN
SW_RF
TX_EN RX_EN
794.4Mhz
AFC
TX_EN
U201
902.4Mhz
TXQ_P TXQ_M TXI_P TXI_M VREF
108Mhz
CLK_13IN R475
794.4Mhz
DM_CS TX_EN RX275 DM_CS *DM_CS R275
GSM EFR ALEX_P4
R275
U911
902.4Mhz 794.4Mhz
DM_CS
U300
R475
U301
902.4Mhz 902.4Mhz 108Mhz
TX_EN
U310
AOC
REVISIONS
Europe Middle East & Africa Customer Services LEVEL 4 SCHEMATICS GSM EFR ALEX Ralf Lorenzen, Colin Jack, Michael Hansen, Ray Collins Page 2of 3 08.01.99 Rev. 1.0