Motorola APX 2000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF (84012618001) 8-29
8.2 Transceiver (RF) Boards: VHF (84012618001)
Figure 8-1. Transceiver (RF) Mainboard Overall Schematic
UNSW_B+
V_SW_3.60
V_2.8_RF
RF_ANT
BAT_STATUS
ulc_dc
DC_LIN_2_775V
DC_SWI_3_6V
DC_BATT
DC_FUSED_B+
DC_LIN_1_5V
DC_LIN_1_8V
DC_LIN_3V
DC_LIN_5V
BAT_STATUS
RF_ANT
RF_SW_B+
DC_LIN_1_5V
DC_LIN_5V
RF_SW_B+
DC_LIN_1_8V
DC_LIN_3V
ulc_vhf_pa
FILT_RAW_B+
TX_7V
TX_INJ
PA_OUT
VC
IF4
IF3
IF2
IF1
TX_INJ
ANA_CTRL_ISET
ANA_CTRL_VSET
DC_LIN_3V
DC_LIN_1_875V_D
DIG_CTRL_ATTH
COUPLER
TXH_1
SW_B+
DIG_SPI_CLK
DIG_GPIO49
DIG_DMCS
DIG_CTRL_TX_INH
DIG_DATA_SPI_MOSI
DC_RAW_B+
DIG_CTRL_I_LIMIT
DC_LIN_5V
HF_OUT
RF_SW_B+
DIG_CTRL_ATTH
ALC_DAC_RST
V_2.8_RF
DC_LIN_1_5V
V_EXT_1.85
DC_LIN_5V
IF23
ulc_fgu_vhf
DC_LIN_5V
DC_LIN_1_875V_D
DC_LIN_1_5V
DIG_SPI_CLK
DIG_DATA_TX_SSI
DIG_CTRL_SPI_TRIDENT_PE
VCO_IN
DIG_DATA_SPI_MOSI
DC_LIN_2_775V
DIG_CTRL_RSTB
DIG_CTRL_SSI_TRIGGER
DIG_CTRL_LOCK
DIG_DATA_SPI_MISO
TXH
DIG_TX_SSI_CLK
DIG_TX_SSI_FS
GPO1
GPO2
GPO6
GPO8
GPO4
DC_SUPER_FILTER_5V
GPO3
TX_INJ
RX_LO
CLK_16_8_MHZ
VCO_VCTRL
GPO5
GPO7
DIG_CTRL_I_LIMIT
DIG_CTRL_ATTH
16.8_MHZ_SINEWAVE
TX_INJ
RF_BRD_RSTB
SPI_DSP_MISO
ISET
V_EXT_1.85
F2_PARAMP
TX_INHIBIT
F2_DMCS
SPI_DSP_MOSI
LOCK_DET_A
TX_DA_CONN
SPI_DSP_CLK_A
TX_CLK_CONN
TX_FSYNC_CONN
RF_DAC_SPI_CS
TRIDENT_SPI_CS
RX_FSYNC_CONN
16.8_MHZ_SINEWAVE
ABACUS_SPI_CS
RX_DA_CONN
F2_SYNCB
RX_CLK_CONN
DC_LIN_3V
DIG_CTRL_I_LIMIT
DC_LIN_5V
RF_ANT
ulc_alc_vhf
TX_SWI
RF_OUT
TXH
TX_7V_1
VCTRL
FILT_RAW_B+
ANA_RX_FE_FILT_VTUNE
IF20
IF19
IF17
IF16
IF15
ulc_vco_vhf
DC_SUPER_FILTER_5V
GPO1
VCTRL
GPO2
VCO_OUT
IF14
IF18
IF9
IF8
IF6
IF7
IF5
DIG_CTRL_ATTH
ulc_antswi_vhf
DIG_VRVS
ANT_SWI
FILT_RAW_B+
PA_OUT
RF_OUT
RX_IN
DC_LIN_3V
IF13
IF12
IF11
IF10
DC_LIN_1_8V
ulc_rxfe_vhf
TL_RX_VHF_FE_IN
DC_LIN_1_8V_A
RF_RX_VHF_FE_OUT
DIG_CTRL_RXV
IF21
DC_LIN_5V
ulc_mixer
DC_LIN_5V
TL_RX_LO
TL_RX_MIX_IN
TL_RX_IF_OUT
RX_CLK_CONN
RX_DA_CONN
RX_FSYNC_CONN
DIG_RX_BE_DOUTB
DIG_DATA_SSI_RX_FS
DIG_DATA_SSI_RX_DOUTA
CLK_SSI_RX
DC_LIN_5V
16.8_MHZ_SINEWAVE
SPI_DSP_CLK_A
V_EXT_1.85
DC_LIN_3V
ABACUS_SPI_CS
F2_SYNCB
ULC_RX_BE
TL_RX_IF
DIG_RX_SYNCB
DIG_DATA_SPI_PD
DIG_CTRL_SPI_PE
DIG_CTRL_SPI_PC
DC_LIN_5V
DC_LIN_3V
DC_LIN_1_875V_D
CLK_16_8_MHZ
SPI_DSP_MOSI
ulc_tx_hf_vhf
HF_OUTHF_IN
IF22
HF_OUT
TP2TP1
DRIVERHF 2ND_LOVCO RX_FEFGUTX_OP
ABACUS ALCBALUN ALC_DC
GPS_BTMIXERCOUPLER
SH12
SH17SH16
SH6
SH15
SH3
SH11
SH10
SH8
SH7
SH5
SH4
SH1
SH2

Motorola APX 2000 Specifications

General

IP Rating	IP67
Operating Temperature	-30°C to +60°C
GPS	Optional
Bluetooth	No
Frequency Range	700/800 MHz
Power Output	1-5 W (VHF), 1-3 W (700/800 MHz)
Channels	Up to 1, 000
Battery Life	Up to 10 hours (digital)
Digital Protocol	APCO P25
Frequency	VHF: 136-174 MHz, UHF: 380-470 MHz, 700/800 MHz: 764-870 MHz
Power	1-3W (700/800 MHz), 1-5W (VHF)