Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: UHF2 (84012621001)
8-141
Figure 8-61. Receiver Front End Circuit
IF1900M20
IF1901M20
TL_RX_UHF1_FE_IN
ANA_RX_FE_TUNE
IN
IN
R1906M20
C1926M20
C1925M20
R1910M20
IN
IN
CTRL_RX_UHF1_LNA_A = 3V (HIGH), LNA'S TURN ON
IF1903M20
IF1902M20
DC_LIN_1_8V_A
DIG_CTRL_RXU
R1924M20
Q1920M20
R1921M20
R1923M20
E1921M20
R1922M20
DC_RX_UHF1_LNA_A_13A
DC_RX_UHF1_LNA_C_13A
CTRL_RX_FE_UHF1_LNA_B_13A
DC_RX_UHF1_LNA_D_13A
22K
22K
VR1905M20
C1929M20
C1935M20
L1908M20
L1909M20
VR1906M20
C1928M20
C1953M20
C1952M20
L1910M20
C1939M20
PREFILTER MODIFIED XTS5000
C1958M20
L1915M20
C1938M20
D1970M20
R1907M20
U1932M20
C1901M20
L1935M20
R1925M20
C1924M20
C1940M20
Q1922M20
C1923M20
Q1922M20
R1935M20
L1936M20
R1972M20
C1971M20
R1936M20
C1936M20
RF_RX_FE_UHF1_LNA_E_13A
RF_RX_FE_UHF1_LNA_C_13A
ANA_RX_FE_TUNE
DC_RX_FE_UHF1_LNA_B_13A
IN
L1934M20
C1922M20
C1920M20
R1970M20
C1970M20
C1931M20
C1954M20
R1908M20
C1955M20
R1911M20
R1909M20
R1900M20
C1900M20
L1900M20
IF1904M20
C1932M20
C1903M20
C1930M20
L1901M20
RF_RX_UHF1_FE_OUT
OUT
POSTFILTER MODIFIED XTS5000
VR1908M20
VR1907M20
C1959M20
C1957M20
L1914M20
L1913M20
C1964M20
C1963M20
C1961M20
L1912M20
C1960M20
C1956M20
C1942M20
L1917M20
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: ......