Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01)
8-113
Figure 8-46. Receiver Front End Circuit
RF_RX_UHF1_FE_OUT
4PF
10K
DNP
DNP
22PF
0
DNP
22PF
8.2PF
10NH
DNP
3.9NH
5.6PF
10PF
18NH
OUTPORT
1SV305
18NH
1SV305
IF
10PF
10K
C1957
L1914
C1963
C1964
R1908
VR1907
1
2
L1913
VR1908
1
2
R1909
L1901
1
2
C1930
C1903
C1932
IF1904
1
L1900
C1900
R1900
OUT
POSTFILTER MODIFIED XTS5000
3.6NH
2.7PF
3.6NH
6PF
2.7PF
6.8PF
C1959
C1960
L1912
C1961
L1917
C1942
0.1UF
5.6PF
100PF
C1954
C1955
C1956
PREFILTER MODIFIED XTS5000
CTRL_RX_UHF1_LNA_A = 3V (HIGH), LNA'S TURN ON
22K
22K
L1910
C1952
3.6NH
INPORT
INPORT
MUN5212T
DIG_CTRL_RXU
5.6PF
IF
9.1K
0.1UF
5.6PF
DC_LIN_1_8V_A
3.3PF
7.2NH
2.7PF
18NH
2.7PF
10PF
18NH
10PF
337
ANA_RX_FE_TUNE
1SV305
TL_RX_UHF1_FE_IN
IF
100PF
INPORT
63
1SV305
440
IF
IF
10K
10K
INPORT
6.8PF
C1928
C1929
C1935
VR1905
1
2
L1908
L1909
C1938
C1939
VR1906
1
2
C1953
R1910
C1925
C1926
R1906
R1907
Q1920
1
2
L1915
C1958
IF1902
1
IF1903
1
IF1901
1
IF1900
1
IN
IN
IN
IN
Q1922
10K
DC_RX_UHF1_LNA_C_13A
CTRL_RX_FE_UHF1_LNA_B_13A
75K
BC858CD
3
R1921
E1921
1
2
2
61
5
4
R1923
DC_RX_UHF1_LNA_D_13A
DC_RX_UHF1_LNA_A_13A
33
R1924
C1922
DC_RX_FE_UHF1_LNA_B_13A
100PF
100PF
RF_RX_FE_UHF1_LNA_C_13A
BFR380F
1.5PF
10
9.1K
0
75PF
1.2K
BC858CD
347
9.1PF
ANA_RX_FE_TUNE
4.7UF
120K
100PF
47NH
10
2.7
18NH
INPORT
100PF
4.7UF
1.6NH
RF_RX_FE_UHF1_LNA_E_13A
2.4PF
C1920
L1934
C1940
U1932
1
3
2
L1936
R1935
R1922
Q1922
3
C1923
C1924
R1911
C1931
C1936
R1925
R1936
L1935
C1970
R1970
C1971
R1972
C1901
IN
D1970
DNP
MMBD352
1
3
2
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: ......