Motorola APX 1000 Detailed Service Manual page 875

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF (84012618001)
8.2 Transceiver (RF) Boards: VHF (84012618001)
UNSW_B+
V_2.8_RF
V_SW_3.60
RF_ANT
BAT_STATUS
TX_INJ
ISET
RF_DAC_SPI_CS
V_EXT_1.85
DC_LIN_3V
DC_LIN_5V
DIG_CTRL_I_LIMIT
TX_INHIBIT
SPI_DSP_MOSI
F2_DMCS
F2_PARAMP
RF_SW_B+
DIG_CTRL_ATTH
HF_OUT
ALC_DAC_RST
TX_FSYNC_CONN
TX_CLK_CONN
SPI_DSP_MISO
RF_BRD_RSTB
LOCK_DET_A
SPI_DSP_CLK_A
TRIDENT_SPI_CS
TX_DA_CONN
ABACUS_SPI_CS
RX_FSYNC_CONN
RX_DA_CONN
RX_CLK_CONN
F2_SYNCB
16.8_MHZ_SINEWAVE
DC_FUSED_B+ DC_LIN_1_5V
DC_LIN_2_775V DC_LIN_1_5V DC_LIN_1_8V
DC_LIN_1_8V
DC_SWI_3_6V DC_LIN_3V
ulc_dc DC_LIN_3V DC_LIN_5V
RF_ANT DC_LIN_5V RF_SW_B+
DC_BATT RF_SW_B+
BAT_STATUS
IF6
IF1
PA_OUT
FILT_RAW_B+
IF2
TX_7V
ulc_vhf_pa IF7
IF3
TX_INJ
IF5
IF4
VC
IF8
IF9
DIG_CTRL_ATTH
ANA_CTRL_ISET ANA_RX_FE_FILT_VTUNE
ANA_CTRL_VSET FILT_RAW_B+
DC_LIN_1_875V_D TXH
TX_7V_1
DC_LIN_3V
DC_LIN_5V VCTRL
DC_RAW_B+
DIG_CTRL_I_LIMIT RF_OUT RF_ANT
TX_SWI
DIG_CTRL_TX_INH
ulc_alc_vhf
DIG_DATA_SPI_MOSI
DIG_DMCS
DIG_GPIO49
DIG_SPI_CLK
SW_B+
TXH_1
DIG_CTRL_ATTH
COUPLER
DC_LIN_5V
DC_LIN_5V
V_EXT_1.85 16.8_MHZ_SINEWAVE
DC_LIN_1_875V_D CLK_16_8_MHZ
DC_LIN_1_5V
DC_LIN_1_5V DIG_DATA_SPI_MISO
V_2.8_RF
DC_LIN_2_775V TXH
DIG_CTRL_RSTB DIG_TX_SSI_CLK
DIG_CTRL_LOCK DIG_TX_SSI_FS
DIG_CTRL_SSI_TRIGGER GPO1
DIG_DATA_SPI_MOSI GPO2
ulc_fgu_vhf
GPO3
DIG_CTRL_I_LIMIT
DIG_SPI_CLK GPO4
DIG_CTRL_SPI_TRIDENT_PE GPO6
DIG_DATA_TX_SSI DC_SUPER_FILTER_5V
IF23
VCO_IN GPO8
RX_LO
TX_INJ
TX_INJ
VCO_VCTRL
GPO5
GPO7
DIG_CTRL_ATTH
IF18
DC_LIN_3V RF_OUT HF_IN
RX_IN
ulc_antswi_vhf IF14
FILT_RAW_B+
PA_OUT
ANT_SWI
DIG_VRVS
IF10
DC_LIN_1_8V_A
IF11 ulc_rxfe_vhf
TL_RX_VHF_FE_IN
DC_LIN_1_8V
RF_RX_VHF_FE_OUT
IF12
DIG_CTRL_RXV
IF13
IF15
DC_SUPER_FILTER_5V
IF20
VCO_OUT
IF16
GPO1
IF17
GPO2 ulc_vco_vhf
IF19 VCTRL
TP1 TP2
IF22
HF_OUT
HF_OUT
ulc_tx_hf_vhf
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
ABACUS_SPI_CS
DIG_CTRL_SPI_PE
SPI_DSP_MOSI
DIG_DATA_SPI_PD
DIG_RX_SYNCB
F2_SYNCB
TL_RX_IF
DC_LIN_5V
DC_LIN_5V TL_RX_IF_OUT
ulc_mixer
TL_RX_LO
IF21
TL_RX_MIX_IN
TX_OP FGU HF VCO
SH1 SH5 SH8 SH11
ABACUS BALUN COUPLER MIXER
SH2 SH4 SH7 SH10
Figure 8-1. Transceiver (RF) Mainboard Overall Schematic
8-29
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
ULC_RX_BE
DRIVER RX_FE 2ND_LO
SH15 SH16 SH17
ALC ALC_DC GPS_BT
SH3 SH6 SH12