Motorola APX 2000 Detailed Service Manual

8-108 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01)
Figure 8-41. Transceiver (RF) Mainboard Overall Schematic (PC000353A01) – 1 of 2
UNSW_B+
V_2.8_RF
V_SW_3.60
RF_ANT
BAT_STATUS
WWP_DC
DC_LIN_2_775V
DC_SWI_3_6V
DC_BATT
BAT_STATUS
DC_LIN_5V
DC_LIN_3V
RF_SW_B+
DC_FUSED_B+
DC_LIN_1_8V
DC_LIN_1_5V
RF_ANT
DC_LIN_3V
DC_LIN_1_8V
RF_SW_B+
DC_LIN_5V
DC_LIN_1_5V
IF5
IF4
IF3
IF2
IF1
TX_INJ
1
1
1
1
1
WWP_UHF1_PA
FILT_RAW_B+
TX_7V
TX_INJ
VC
PA_OUT
IF9
IF8
IF6
IF7
DIG_CTRL_ATTH
1
1
1
1
WWP_ANTSWI_UHF1
DC_LIN_3V
RX_IN
RF_OUT
PA_OUT
FILT_RAW_B+
ANT_SWI
DIG_VRVS
IF14
IF18
1
1
IF22
HF_OUT
1
WWP_TX_HF_UHF1
RF_OUT
HF_OUT
F2_SYNCB
V_EXT_1.85
DC_LIN_5V
ABACUS_SPI_CS
DC_LIN_3V
SPI_DSP_MOSI
16.8_MHZ_SINEWAVE
SPI_DSP_CLK_A
WWP_RX_BE
DIG_RX_BE_DOUTB
DIG_DATA_SSI_RX_FS
DIG_DATA_SSI_RX_DOUTA
CLK_SSI_RX
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
RX_CLK_CONN
RX_FSYNC_CONN
RX_DA_CONN
IF21
DC_LIN_5V
1
WWP_MIXER
TL_RX_IF_OUT
TL_RX_MIX_IN
TL_RX_LO
DC_LIN_5V
WWP_RXFE_UHF1
DC_LIN_1_8V_A
DIG_CTRL_RXU
ANA_RX_FE_TUNE
RF_RX_UHF1_FE_OUT
TL_RX_UHF1_FE_IN
IF13
IF12
IF11
IF10
DC_LIN_1_8V
1
1
1
1
RF_ANT
ANA_RX_FE_FILT_VTUNE
FILT_RAW_B+
VCTRL
TX_7V_1
TXH
RF_OUT
TX_SWI
WWP_ALC
ANA_CTRL_VSET
ANA_CTRL_ISET
DC_LIN_5V
DC_LIN_1_875V_D
DC_LIN_3V
DIG_CTRL_I_LIMIT
DC_RAW_B+
DIG_DATA_SPI_MOSI
DIG_CTRL_TX_INH
DIG_DMCS
DIG_GPIO49
DIG_SPI_CLK
SW_B+
TXH_1
COUPLER
DIG_CTRL_ATTH
DC_LIN_3V
DC_LIN_5V
DIG_CTRL_I_LIMIT
RF_SW_B+
DIG_CTRL_ATTH
HF_OUT
V_EXT_1.85
RF_DAC_SPI_CS
ISET
LOCK_DET_A
RF_BRD_RSTB
F2_PARAMP
TX_CLK_CONN
TX_FSYNC_CONN
F2_DMCS
TX_INHIBIT
SPI_DSP_MOSI
TX_DA_CONN
TRIDENT_SPI_CS
SPI_DSP_CLK_A
SPI_DSP_MISO
F2_SYNCB
RX_CLK_CONN
ABACUS_SPI_CS
RX_FSYNC_CONN
RX_DA_CONN
16.8_MHZ_SINEWAVE
IF23
DC_LIN_1_5V
V_2.8_RF
DC_LIN_5V
V_EXT_1.85
1
WWP_FGU_UHF1
DC_LIN_1_875V_D
DC_LIN_1_5V
DIG_CTRL_SSI_TRIGGER
DIG_CTRL_LOCK
DIG_CTRL_RSTB
DC_LIN_2_775V
DIG_DATA_SPI_MISO
TXH
DIG_TX_SSI_CLK
DIG_TX_SSI_FS
DIG_DATA_SPI_MOSI
DC_LIN_5V
DIG_SPI_CLK
GPO1
GPO2
GPO6
GPO8
GPO4
DC_SUPER_FILTER_5V
GPO3
TX_INJ
RX_LO
DIG_DATA_TX_SSI
CLK_16_8_MHZ
DIG_CTRL_SPI_TRIDENT_PE
VCO_IN
VCO_VCTRL
GPO5
GPO7
DIG_CTRL_I_LIMIT
16.8_MHZ_SINEWAVE
TX_INJ
DIG_CTRL_ATTH
IF19
IF17
IF16
IF15
1
1
1
1
WWP_VCO_UHF1
VCO_OUT
DC_SUPER_FILTER_5V
GPO1
GPO2
VCTRL
IF20
1
BALUNABACUS ALCCOUPLER
RX_FEVCO
GPS_BTALC_DC
DRIVER
MIXER
HFFGU 2ND_LOTX_OP
SH12
SH17SH16
SH6
SH15
SH3
SH11
SH10
SH8
SH7
SH5
SH4
SH1
SH2
2
12
1 2 1
2
1
2 1
2
1
2
12
1
2
12
1
2 12
1
2
12
1

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)