Figure 8-104.Mnut4004A/C/E Uhf2 Receiver Front End Circuit - Motorola APX 7000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2/VHF
INPORT IN
INPORT IN
INPORT
IN
R1910
1K
C1925
100PF
ANA_RX_FE_TUNE
C1928
4PF
INPORT
TL_RX_UHF1_FE_IN
IN
C1941
0.1UF
DC_LIN_1_8V_A
MUN5212T
3
DIG_CTRL_RXU
1 22K
Q1920
R1907
R1906
10K
10K
VR1905
VR1906
L1910 L1909
1SV305
1SV305
18NH 18NH
2
1 2 1
L1908
C1953
4.3NH
4PF
C1929 C1952
6PF
6PF
C1935 C1939
2.4PF 2.4PF
L1915
C1958
47NH 16PF
C1938
L1916 1.5PF
12NH
VR1910
1SV305
E1921
1 2
R1923 R1924
33
10K
INPORT IN
BC858CD
R1921
Q1922
C1923 C1924
75K
2 5 100PF 4.7UF
R1922
Q1922 ANA_RX_FE_TUNE
120K
BC858CD R1925
2.7
L1935
24NH
C1940
100PF
C1920 C1922
4.7UF 100PF
R1936
0
L1934
72NH
R1935 C1936
C1931
7PF
1.2K
180PF
U1932
1
BFR380F
L1938
110NH
DNP
L1936
1.6NH
R1911
1K
R1908
C1954
10K
100PF
VR1908
VR1907 L1914
L1913
1SV305
1SV305
18NH 18NH
1 2 2 1
L1912 C1963
C1956 C1957 3.9NH 5.6PF
4PF
5.6PF
C1959 C1961
2.4PF 2.4PF
C1942
L1917
51NH 16PF
C1960
1.5PF
L1919
12NH
VR1920
1SV305
Figure 8-104. MNUT4004A/C/E UHF2 Receiver Front End Circuit
8-227
R1909
10K
C1964
4PF
OUTPORT
RF_RX_UHF1_FE_OUT
OUT