Transceiver (Rf) Boards: Uhf1/Vhf; Figure 8-42. Mnut4000A/C/E Transceiver (Rf) Board Overall Circuit Schematic - Motorola APX 7000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/VHF
8.5

Transceiver (RF) Boards: UHF1/VHF

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
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
DIG_CTRL_RMTH
CLK_16_8_MHZ
TL_AUX
RF_AUX
RF_ANT
TL_ANT
TL_ANT
DIG_CTRL_RMTH
RF_GPS_DPLEX RF_ANT
DC_LIN_3V
DC_LIN_3V
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
MACKINAW_TX_HF_VHF
9
1 IF TL_PA2HF_1
IF5
FILT_RAW_B+ TL_PA2HF_1
1
IF6 IF
RF_IN_1 MACKINAW_TX_HF_VHF
MACKINAW_VHF_PA
1
IF7 IF 1
IF10 IF
TX_7V_1 RF_OUT_1
IF8 1 IF
VC_1
10
1
IF1 IF
FILT_RAW_B+ TL_PA2HF_1
IF2 1 IF
RF_IN_1
MACKINAW_UHF1_PA
1 MACKINAW_TX_HF_UHF1
IF3 IF
TX_7V_1
1
1 IF
IF4 IF IF9
VC_1 RF_OUT_2 MACKINAW_TX_HF_UHF1
DC_LIN_5V
11
TL_ANT
DC_LIN_5V
RF_ANT
TL_AUX
DC_RAW_B+
VC_1
VC_2 RF_AUX
FILT_RAW_B+
DIG_CTRL_I_LIMIT HF_OUT_1
HF_OUT_2
TX_7V_2
TX_7V_1 DC_LIN_1_875V_D DC_LIN_1_875V_D
TL_TX_IN_2
MACKINAW_TX_ALC DIG_CTRL_RMTH
TL_TX_IN_1
DIG_CTRL_RMTH
ANA_CTRL_ISET DC_LIN_3V
DIG_CTRL_ATTH
ANA_CTRL_VSET
DIG_DMCS DIG_CTRL_VR
DIG_GPIO49
DIG_CTRL_TX_INH
1
IF IF23
TL_LO2TX ANA_RX_FE_FILT_VTUNE
RX_IN_1
RX_IN_2
TXH_1
RF_GPS_DPLEX
TXH
TXH_2
DIG_DATA_SPI_MOSI RF_GPS_DPLEX
DIG_SPI_CLK
DC_LIN_1_5V
DC_LIN_1_875V_D
DC_LIN_5V
7
DC_LIN_5V
DC_LIN_1_875V_D
DC_LIN_1_5V
DIG_CTRL_I_LIMIT
DC_LIN_2_775V
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
3
HF_OUT_1
1 IF13
IF
DC_LIN_1_8V_A MACKINAW_RX_FE_VHF
1 IF14
IF
TL_RX_VHF_FE_IN
RF_RX_VHF_FE_OUT
1 IF15
IF DIG_CTRL_RXV
14
HF_OUT_2
1 ANA_RX_FE_TUNE RF_RX_UHF1_FE_OUT
IF12 IF
1 IF16
1 IF
IF11 IF DC_LIN_1_8V_A
MACKINAW_RX_FE_UHF1
1 IF18
IF
1 IF17
IF
TL_RX_UHF1_FE_IN
DIG_CTRL_RXU
1
IF19 IF
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

Figure 8-42. MNUT4000A/C/E Transceiver (RF) Board Overall Circuit Schematic

1
IF22
IF
5
DC_LIN_1_8V
DC_LIN_3V
TL_RX_B1_MIX_IN
4
IF 1 IF21
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_BAND_SELECT DIG_DATA_SPI_MOSI
DIG_SPI_CLK
DIG_SYNCB
8-105
6
DC_LIN_5V
DC_LIN_3V
DC_LIN_1_875V_D
TL_RX_IF_
CLK_16_8_MHZ MACKINAW_RX_BE
DIG_RX_BE_DOUTB
CLK_SSI_RX
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