Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: UHF2 (84012621001)
8-137
8.4
Transceiver (RF) Boards: UHF2 (84012621001)
Figure 8-57. Transceiver (RF) Mainboard Overall Schematic
V_2.8_RF
V_SW_3.60
RF_ANT
BAT_STATUS
IF4
IF3
IF2
IF1
TX_INJ
IF5
ulc_uhf2_pa
FIL
VC
PA_OUT
TX_INJ
TX_7V
IF9
IF8
IF6
IF7
DIG_CTRL_ATTH
ulc_antswi_uhf2
FIL
PA_OUT
DC_LIN_3V
RX_IN
RF_OUT
ANT_SWI
DIG_VRVS
IF22
IF14
IF18
HF_OUT
ulc_tx_hf_uhf2
HF_OUT
RF_OUT
ulc_dc
RF_ANT
DC_LIN_1_5V
DC_LIN_1_8V
DC_
DC_LIN_3V
DC_LIN_5V
BAT_STATUS
DC_BATT
DC_SWI_3_6V
DC_LIN_2_775V
DC_LIN_5V
DC_LIN_1_5V
DC_LIN_3V
DC_LIN_1_8V
TX_INHIBIT
F2_PARAMP
ISET
F2_DMCS
V_EXT_1.85
RF_DAC_SPI_CS
TX_CLK_CONN
TX_FSYNC_CONN
SPI_DSP_MOSI
TX_DA_CONN
SPI_DSP_MISO
TRIDENT_SPI_CS
LOCK_DET_A
RF_BRD_RSTB
SPI_DSP_CLK_A
ABACUS_SPI_CS
16.8_MHZ_SINEWAVE
F2_SYNCB
RX_CLK_CONN
RX_FSYNC_CONN
RX_DA_CONN
DC_LIN_5V
V_2.8_RF
DC_LIN_1_5V
V_EXT_1.85
IF23
ulc_fgu_uhf2
DC_LIN_1_875V_D
DC_LIN_1_5V
DC_LIN_2_775V
DIG_CTRL_RSTB
DC_SUPER_FILTER_5V
GPO2
DIG_CTRL_LOCK
DIG_CTRL_SSI_TRIGGER
GPO7
GPO5
VCO_VCTRL
VCO_IN
DIG_CTRL_SPI_TRIDENT_PE
CLK_16_8_MHZ
DIG_DATA_TX_SSI
RX_LO
TX_INJ
GPO3
GPO4
GPO8
GPO6
GPO1
DIG_SPI_CLK
DC_LIN_5V
DIG_DATA_SPI_MOSI
DIG_TX_SSI_FS
DIG_TX_SSI_CLK
TXH
DIG_DATA_SPI_MISO
DIG_CTRL_I_LIMIT
16.8_MHZ_SINEWAVE
DIG_CTRL_ATTH
TX_INJ
ALC_DAC_RST
DC_LIN_5V
DIG_CTRL_I_LIMIT
DC_LIN_3V
HF_OUT
DIG_CTRL_ATTH
RF_ANT
ulc_alc_uhf2
ANA_CTRL_ISET
ANA_CTRL_VSET
DC_LIN_3V
DC_LIN_1_875V_D
TX_SWI
DIG_CTRL_ATTH
RF_OUT
TXH
TX_7V_1
VCTRL
COUPLER
TXH_1
SW_B+
DIG_SPI_CLK
DIG_GPIO49
DIG_DMCS
DIG_CTRL_TX_INH
DIG_DATA_SPI_MOSI
D
DIG_CTRL_I_LIMIT
DC_LIN_5V
FIL
ANA_RX_FE_FILT_VTUNE
IF13
IF12
IF11
IF10
DC_LIN_1_8V
IF21
DC_LIN_5V
ulc_mixer
DC_LIN_5V
TL_RX_LO
TL_RX_MIX_IN
TL_RX_IF_OUT
ulc_rxfe_uhf2
ANA_RX_FE_TUNE
DC_LIN_1_8V_A
DIG_CTRL_RXU
RF_RX_UHF1_FE_OUT
TL_RX_UHF1_FE_IN
16.8_MHZ_SINEWAVE
V_EXT_1.85
SPI_DSP_MOSI
F2_SYNCB
DC_LIN_3V
DC_LIN_5V
ABACUS_SPI_CS
SPI_DSP_CLK_A
DIG_CTRL_SPI_PC
DIG_DATA_SPI_PD
DC_LIN_3V
DC_LIN_1_875V_D
TL_RX_IF
DIG_RX_SYNCB
DIG_CTRL_SPI_PE
DC_LIN_5V
CLK_16_8_MHZ
RX_FSYNC_CONN
RX_DA_CONN
RX_CLK_CONN
ULC_RX_BE
DIG_RX_BE_DOUTB
DIG_DATA_SSI_RX_FS
DIG_DATA_SSI_RX_DOUTA
CLK_SSI_RX
IF20
IF19
IF17
IF16
IF15
ulc_vco_uhf2
VCTRL
GPO2
GPO1
VCO_OUT
DC_SUPER_FILTER_5V
VCO
TX_OP
ALC_DC
MIXER
GPS_BT
ALC
HF
2ND_LO
ABACUS
COUPLER
BALUN
SH12
SH17
SH16
SH6
SH15
SH3
SH11
SH10
SH8
SH7
SH5
SH4
SH1
SH2
FGU
RX_FE
DRIVER
Summary of Contents for APX 2000
Page 1: ...APXTM TWO WAY RADIOS APX 1000 APX 2000 APX 4000 APX 4000Li DETAILED SERVICE MANUAL ...
Page 4: ......
Page 6: ...iv Document History Notes ...
Page 8: ...Notes vi Commercial Warranty ...
Page 10: ...Notes ...
Page 22: ...xiv List of Figures Notes ...
Page 226: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 688: ...Index 4 Index Notes ...
Page 690: ...ii Notes ...
Page 700: ...xvi List of Figures Notes ...
Page 806: ...5 50 Troubleshooting Charts PA Failure Notes ...
Page 1008: ...8 178 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 84012621001 Notes ...
Page 1062: ...8 234 Schematics Boards Overlays and Parts Lists Keypad Board M2 and M3 PC000261A01 Notes ...
Page 1064: ...ii Notes ...
Page 1068: ...Notes A 4 EMEA Warranty Service and Technical Support Further Assistance From Motorola ...
Page 1090: ...Glossary 10 Glossary Notes ...
Page 1094: ...Index 4 Index Notes ...
Page 1095: ......