7-36
Schematics, Component Location Diagrams, and Parts Lists:
HUD4022A (VHF) Main Board
June 15, 2005
6815854H01-A
Figure 7-28. HUD4022A Frequency Generation Unit VHF Receive Injection Schematic
NP
NP
NP
NP
APCO VHF RX Buffer
NP
NP
73D02970C73-O
SHEET 21 OF 23
B(,1),A(,0)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,0)
0
LO_INJ_HS
0
TO_CAPACITOR
B(,1),A(,1)
RF_IN
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
470.p
C3930
100n
100.
R3872
C3910
Q3762
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
Rx_Buffer_2_EN
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
R3855
100.
Q3769
C3913
C3914
B(,1),A(,1)
L3784
4.700K
R3869
120.n
5.6K
22.
10.n
R3873
C3912
330.
R3870
C3911
R3871
22.n
220.
R3794
10.n
R3868
470.p
470.p
C3915
470.p
R3854
100.
R3864
18.
300.
R3857
68.
R3856
300.
27.
R3865
27.
R3852
R3853
0.
R3851
R1
R2
Q3768
Q3767
10.n
100.
R3828
1.0u
C3924
3.3K
L3783
C3925
R3845
270nH
L3775
0.1uF
0.1uF
R3846
4.700K
C3926
R3832
1.K
47.
R3843
470.p
C3869
470.p
470.p
C3873
C3761
470.p
C3870
2.K
10.n
C3877
1
TP6771
R3760
820.
TEST_POINT
820.
R3821
R3802
1.K
R3796
R3805
8.2K
470.p
C3759
15.p
C3804
C3786
18.p
L3781
L3782
33.n
6.2
Содержание XTL 1500
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Страница 19: ...xviii List of Figures June 15 2005 6815854H01 A This page is intentionally left blank ...
Страница 25: ...June 15 2005 6815854H01 A xxiv CommercialWarranty Notes ...
Страница 35: ...June 15 2005 6815854H01 A xxxiv Model Numbering Charts and Specifications Notes ...
Страница 49: ...June 15 2005 6815854H01 A 2 12 Product Overview Controller Section Notes ...
Страница 161: ...June 15 2005 6815854H01 A 4 36 Troubleshooting Procedures Power Amplifier Procedures Notes ...
Страница 225: ...June 15 2005 6815854H01 A 5 64 Troubleshooting Charts Flowcharts Notes ...
Страница 429: ...8 2 Flex Cable Pin Out Lists Flex Cables June 15 2005 6815854H01 A Notes ...
Страница 441: ...June 15 2005 6815854H01 A Glossary 10 Notes ...
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