Transceiver (Rf) Boards: Uhf1/700-800 Mhz; Figure 8-21. Mnus4000A/C/E Transceiver (Rf) Board Overall Circuit Schematic - Motorola APX 7000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/700–800 MHz
8.4 Transceiver (RF) Boards: UHF1/700–800 MHz
FILT_RAW_B+
1
DC_BATT
DC_SW1_3_6V
DC_FUSED_B+
DC_LIN_1_875V_D
DC_LIN_1_875V_D
ANA_CTRL_ISET
DIG_CTRL_SPI_DAC_PE
DIG_CTRL_I_LIMIT
DIG_CTRL_TX_INHIBIT_TYPE_1
DIG_CTRL_SSI_TRIGGER
MACKINAW_CONN_MISC
DC_LIN_2_775V
DIG_CTRL_IO49
DIG_CTRL_RSTB
DIG_CTRL_LOCK
DIG_DATA_SPI_MOSI
DIG_SPI_CLK
DIG_CTRL_SPI_TRIDENT_PE
DIG_DATA_TX_SSI
DIG_TX_SSI_FS DC_LIN_1_5V
DIG_TX_SSI_CLK
DIG_DATA_SPI_MISO
DIG_CTRL_SPI_ABACUS_PE
DIG_CTRL_SPI_ABACUS_PE
DIG_DATA_SSI_RX_FS
DIG_DATA_SSI_RX_FS
DIG_DATA_RX_DOUTA
DIG_DATA_SSI_RX_DOUTA
CLK_SSI_RX
CLK_SSI_RX
RF_GPS
DIG_SYNCB
DIG_SYNCB
CLK_16_8_MHZ
CLK_16_8_MHZ DIG_CTRL_RMTH
TL_AUX
RF_AUX
RF_ANT
TL_ANT
TL_ANT
DIG_CTRL_RMTH
RF_ANT
RF_GPS_DPLEX
DC_LIN_3V
DC_LIN_3V

Figure 8-21. MNUS4000A/C/E Transceiver (RF) Board Overall Circuit Schematic

2 DC_LIN_5V
DC_LIN_5V
DC_BATT DC_LIN_3V
DC_SWI_3_6V DC_LIN_3V
MACKINAW_DC
DC_LIN_1_8V_A
DC_LIN_2_775V
DC_LIN_1_8V
DC_FUSED_B+
DC_LIN_1_5V
DC_RAW_B+ DC_LIN_1_5V
9
1
IF IF5
FILT_RAW_B+
TL_PA2HF_1
1
IF IF6
RF_IN_1
MACKINAW_UHF1_PA
1 IF7
IF 1
IF10 IF
TX_7V_1
RF_OUT_1
1 IF8 MACKINAW_TX_HF_UHF1
IF
VC_1
10
IF1 1 IF
FILT_RAW_B+ TL_PA2HF_2
1
IF2 IF
RF_IN_2
1 MACKINAW_7_800_PA
IF3 IF
TX_7V_2
MACKINAW_TX_HF_7800
1
IF4 1 IF IF9 IF
VC_2 RF_OUT_2
DC_LIN_5V
11
TL_ANT
DC_LIN_5V
RF_ANT
DC_RAW_B+ TL_AUX
VC_1
RF_AUX
VC_2
FILT_RAW_B+
HF_OUT_1
DIG_CTRL_I_LIMIT
HF_OUT_2
TX_7V_2
DC_LIN_1_875V_D
TX_7V_1 DC_LIN_1_875V_D
DIG_CTRL_RMTH
TL_TX_IN_2
MACKINAW_TX_ALC
TL_TX_IN_1 DC_LIN_3V
DIG_CTRL_RMTH
ANA_CTRL_ISET DC_LIN_3V
ANA_CTRL_VSET DIG_CTRL_ATTH
DIG_DMCS DIG_CTRL_VR
DIG_GPIO49
DIG_CTRL_TX_INH
ANA_RX_FE_FILT_VTUNE
TL_LO2TX
RX_IN_1
RX_IN_2
TXH_1
TXH RF_GPS_DPLEX
TXH_2
RF_GPS_DPLEX
DIG_DATA_SPI_MOSI
DIG_SPI_CLK
DC_LIN_1_875V_D
DC_LIN_5V 7
DC_LIN_5V
DC_LIN_1_875V_D
DC_LIN_1_5V
DC_LIN_2_775V
DIG_CTRL_I_LIMIT
DIG_CTRL_T78H
DIG_CTRL_I_LIMIT
DIG_CTRL_TXH1
DIG_CTRL_TR
TL_TX_LO
DIG_CTRL_FEBS
MACKINAW_FGU
DIG_CTRL_R78H
DIG_CTRL_RMTH
DIG_CTRL_RX7H
NC
DIG_CTRL_RSTB
DIG_CTRL_RX8H
DIG_CTRL_LOCK
DIG_CTRL_SSI_TRIGGER
DIG_DATA_SPI_MOSI
DIG_CTRL_ATTH
DIG_SPI_CLK
TL_RX_LO
DIG_CTRL_SPI_TRIDENT_PE
DIG_DATA_TX_SSI
CLK_16_8_MHZ
DIG_DATA_SPI_MISO
DIG_TX_SSI_CLK
DIG_TX_SSI_FS
13
TL_RF_GPS_OUT
MACKINAW_GPS
12
1 IF23
IF
HF_OUT_1 ANA_RX_FE_TUNE
1 IF13
IF
DC_LIN_1_8V_A
MACKINAW_RX_FE_UHF1
1 IF14
IF
TL_RX_UHF1_FE_IN
14 1 IF15
IF
DIG_CTRL_RXU
HF_OUT_2
4
1 IF16
IF
1 DC_LIN_1_8V_A RF_RX_FE_B2_OUT_
IF12 IF
1 1 IF17
IF11 IF
IF
TL_RX_78
1 IF18
IF
DC_LIN_3V
MACKINAW_RX_FE_7800
1 IF19
IF
CTRL_RX_78_LNA_A
1 IF20
IF
CTRL_RX_78_SW1
SHIELD SHIELD SHIELD SHIELD SHIELD SHIELD
SH1 SH2 SH3 SH4 SH5 SH6
SHIELD SHIELD SHIELD SHIELD SHIELD SHIELD
SH7 SH8 SH9 SH11 SH12 SH14
SHIELD SHIELD
SH10 SH13
15
RF_RX_UHF1_FE_OUT
5
1 IF22
IF
DC_LIN_1_8V
DC_LIN_3V
TL_RX_B1_MIX_IN
1 IF21
IF
TL_RX_B2_MIX_IN DC_LIN_1_875V_D
MACKINAW_RX_MIXER_IF
TL_RX_IF_OUT
TL_RX_LO
DIG_CTRL_SPI_ABACUS_PE
DIG_DATA_SPI_MOSI
DIG_BAND_SELECT
DIG_SPI_CLK
8-43
6
DC_LIN_5V
DC_LIN_3V
DC_LIN_1_875V_D
TL_RX_IF_
MACKINAW_RX_BE
CLK_16_8_MHZ
CLK_SSI_RX
DIG_RX_BE_DOUTB
CLK_SSI_RX
DIG_CTRL_SPI_PE
DIG_DATA_RX_DOUTA
DIG_DATA_SSI_RX_DOUTA
DIG_DATA_SPI_PD DIG_DATA_SSI_RX_FS
DIG_DATA_SSI_RX_FS
DIG_CTRL_SPI_PC
DIG_RX_SYNCB