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6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
6-10
6-11
6-12
6-13
6-14
6-15
6-16
6-17
6-18
6-19
6-20 -
6-21
6-22
6-23.
• 6-24.
6-25
6-26
6-27
6-28
7-1
7-2
7-3-
7-4
7-5
. 7-6
7-7
7-8
7-9
7-10
7-11
7-12
7-13
',.
7-14
8-1
Change 4
LIST OF ILLUSTRA nONS (Cont.)
Top View
Bottom View
Location of Modules, Top View
Location of Modules, Bottom View
-Low Pass Filter Assembly, Al
Component Location, Al
First Mixer Assembly A2
Component Location, A2 .
- Second Mixer Assembly, A3
Component Location, A3
Main IF/AF Assembly, A4
Component Location, A4
ISB Assembly, A5 (Optional)
Component Location, A5
Microcomputer Assembly, A6
Asynchronous Interface Assembly, A6AI
Component Location, A6A I
Microprocessor Assembly., A6A2
Component Location, A6A2
First LO Synthesizer Assembly, A7
Component Location, A7
Second LO/BFO Synthesizer Assembly, A8
Component Location, A8
Receiver Control Assembly, A9
Component Location, A9
Power Supply Assembly, Ala, Top View
Component Location, Ala
Component Location, AlOA2
Schematic Diagram, RF Low Pass Filter Al .
Schematic Diagram, 1st Mixer, A2
Schematic Diagram, 2nd Mixer, A3
Schema tic Diagram, Main IF / AF, A4
Schematic Diagram, ISB, A5 (Optional)
Interconnection Diagram, Microcomputer Assembly, A6
Schematic Diagram, Serial Asynchronous Interface, A6A1
Schematic Diagram, Microcomputer, A6A2
Schematic Diagram, First LO Synthesizer, A7
Schematic Diagram, Second LO/BFO Synthesizer AS
Schematic Diagram, Receiver Control, A9
Schema tic Diagram, Liquid Crystal Display Lamps
Schematic Diagram, Power Supply, Ala
Interconnection Diagram, RA6790/GM HF Receiver
Microprocessor Circuit Card Assembly (A6A2)
Schematic Diagram
vi
6-2
6-3
6-4
6-5
6-9
I
6-10.
6-13 '
. 6-'14:,-
.
.
6-17
6-18
6-23
6-24
6-31
6-32
6-37
6-39
6-40
6-43
6-44
6-47
6-48
6-53
6-54
6-59
6-60
6-65
6-66
6-68
7-3
7-5
7-7
7-9
7-21
7-25
7-27
7-31
7-35
7-45
7-51
7-57
7-59
7-61
8-3
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