Figure 8-94. Transceiver (Rf) Board Overall Schematic - Motorola APX 3000 Detailed Service Manual

8-170
UNSW_B+
OUT
V_2.8_RF
IN
V_SW_3.60
IN
RF_ANT
IN
BAT_STATUS
OUT
ISET
IN
RF_DAC_SPI_CS
IN
V_EXT_1.85
IN
TX_INHIBIT
IN
SPI_DSP_MOSI
IN
F2_DMCS
IN
F2_PARAMP
IN
RF_SW_B+
DIG_CTRL_ATTH
HF_OUT
TX_FSYNC_CONN
OUT
TX_CLK_CONN
OUT
SPI_DSP_MISO
OUT
RF_BRD_RSTB
IN
LOCK_DET_A
OUT
SPI_DSP_CLK_A
IN
TRIDENT_SPI_CS
IN
TX_DA_CONN
IN
ABACUS_SPI_CS
IN
RX_FSYNC_CONN
OUT
RX_DA_CONN
OUT
RX_CLK_CONN
OUT
F2_SYNCB
IN
16.8_MHZ_SINEWAVE
OUT

Figure 8-94. Transceiver (RF) Board Overall Schematic

SUBDESIGN_SUFFIX=12
DC_FUSED_B+
DC_LIN_1_5V
DC_LIN_2_775V DC_LIN_1_5V
DC_LIN_1_8V
DC_SWI_3_6V DC_LIN_1_8V
DC_LIN_3V
covert_dc
DC_LIN_3V
DC_LIN_5V
DC_LIN_5V
RF_SW_B+
DC_BATT RF_SW_B+
BAT_STATUS
TX_INJ
IF2
1 IF
SUBDESIGN_SUFFIX=16
1
IF3 FILT_RAW_B+
IF PA_OUT
1
TX_7V
IF4 COVERT_UHF2_PA
1
IF
TX_INJ
IF5 IF6
1 IF 1
IF
VC
1
DIG_CTRL_ATTH 1
SUBDESIGN_SUFFIX=11
ANA_CTRL_ISET ANA_RX_FE_FILT_VTUNE
ANA_CTRL_VSET FILT_RAW_B+
DC_LIN_1_85 TXH
DC_LIN_3V
DC_LIN_3V TX_7V_1
DC_LIN_5V
DC_LIN_5V VCTRL
DC_RAW_B+
DIG_CTRL_I_LIMIT RF_ANT
DIG_CTRL_I_LIMIT
RF_OUT
DIG_CTRL_TX_INH
TX_SWI
DIG_DATA_SPI_MOSI COVERT_ALC_UHF2
DIG_DMCS
DIG_GPIO49
DIG_SPI_CLK
SW_B+
TXH_1
DIG_CTRL_ATTH
COUPLER
16.8_MHZ_SINEWAVE
DC_LIN_5V
DC_LIN_5V CLK_16_8_MHZ
V_EXT_1.85
DC_LIN_1_875V_D DIG_DATA_SPI_MISO
DC_LIN_1_5V
DC_LIN_1_5V TXH
V_2.8_RF
DC_LIN_2_775V DIG_TX_SSI_CLK
DIG_CTRL_RSTB DIG_TX_SSI_FS
DIG_CTRL_LOCK GPO1
DIG_CTRL_SSI_TRIGGER GPO2
DIG_DATA_SPI_MOSI GPO3
DIG_CTRL_I_LIMIT
COVERT_FGU_UHF2 GPO4
DIG_SPI_CLK GPO6
DIG_CTRL_SPI_TRIDENT_PE DC_SUPER_FILTER_5V
DIG_DATA_TX_SSI GPO8
VCO_IN RX_LO
TX_INJ
TX_INJ
VCO_VCTRL
SUBDESIGN_SUFFIX=7 GPO5
DIG_CTRL_ATTH
GPO7
IF22
IF7 SUBDESIGN_SUFFIX=13
IF
IF
1
RF_OUT
DC_LIN_3V RF_OUT
RX_IN
COVERT_ANTSWI_UHF2
FILT_RAW_B+
PA_OUT
IF9
IF ANT_SWI
IF10
DIG_VRVS
IF
DC_LIN_5V
SUBDESIGN_SUFFIX=20
IF24
1
IF
ANA_RX_FE_TUNE RF_RX_UHF1_FE_OUT
IF12
1 IF
DC_LIN_1_8V_A
DC_LIN_1_8V COVERT_RXFE_UHF2
IF13
1 IF
TL_RX_UHF1_FE_IN
1
DIG_CTRL_RXU
IF15
IF
IF17 SUBDESIGN_SUFFIX=22
IF23
1 IF
DC_SUPER_FILTER_5V IF
1
IF18
VCO_OUT
1 IF
GPO1
IF19
1 IF
GPO2 COVERT_VCO_UHF2
IF20
1 IF
VCTRL
Schematics, Boards Overlays, and Parts Lists: Main Board Block: UHF2 (84012616001)
SUBDESIGN_SUFFIX=17
IF25
1 IF
COVERT_TX_HF_UHF2
HF_OUT
HF_OUT
16.8_MHZ_SINEWAVE
CLK_16_8_MHZ
V_EXT_1.85
DC_LIN_1_875V_D
DC_LIN_3V
DC_LIN_3V
DC_LIN_5V
DC_LIN_5V
SPI_DSP_CLK_A
DIG_CTRL_SPI_PC COVERT_RX_BE
ABACUS_SPI_CS
DIG_CTRL_SPI_PE
SPI_DSP_MOSI
DIG_DATA_SPI_PD
F2_SYNCB
DIG_RX_SYNCB
SUBDESIGN_SUFFIX=21
TL_RX_IF
DC_LIN_5V TL_RX_IF_OUT
covert_mixer
TL_RX_LO
TL_RX_MIX_IN
RF SHIELDS
SH4
SH1 SH6 SH8
SHIELD
SHIELD 2ND_LO FGU SHIELD TXFE SHIELD ANT_SWI
IF
SH5 SH7 SH9
SH2 ABACUS
MIXER RXFE
ALC1 SHIELD DC SHIELD SHIELD
SHIELD
SH3
GPS/BT
SHIELD
SUBDESIGN_SUFFIX=19 RX_CLK_CONN
CLK_SSI_RX RX_DA_CONN
DIG_DATA_SSI_RX_DOUTA
RX_FSYNC_CONN
DIG_DATA_SSI_RX_FS
DIG_RX_BE_DOUTB
SH10 SH12 SH14
SHIELD PAOP SHIELD ALC/DC SHIELD
SH11 DRIVER/PA SH13 SH15
VCO
SHIELD
SHIELD SHIELD