xv
5.2 VCO - Voltage Controlled Oscillator...........................................................9B-10
6.0 Notes For All Schematics and Circuit Boards..................................................9B-12
7.0 Circuit Board/Schematic Diagrams and Parts List...........................................9B-13
VHF (136-174MHz) Main Board Top Side PCB No. 8480675Z01 .....................9B-13
VHF (136-174MHz) Main Board Bottom Side PCB No. 8480675Z01 ................9B-14
VHF Controls And Switches Schematic Diagram...............................................9B-15
VHF Receiver Front End Schematic Diagram....................................................9B-16
VHF Receiver Back End Schematic Diagram ....................................................9B-17
VHF Synthesizer Schematic Diagram ................................................................9B-18
VHF Voltage Controlled Oscillator Schematic Diagram ....................................9B-19
VHF Transmitter Schematic Diagram.................................................................9B-20
VHF Radio Parts List..........................................................................................9B-21
8.0 Circuit Board/Schematic Diagrams and Parts List...........................................9B-24
VHF (136-174MHz) Main Board Top Side PCB No. 8480675Z03 .....................9B-24
VHF (136-174MHz) Main Board Bottom Side PCB No. 8480675Z03 ................9B-25
VHF Controls And Switches Schematic Diagram...............................................9B-26
VHF Receiver Front End Schematic Diagram....................................................9B-27
VHF Receiver Back End Schematic Diagram ....................................................9B-28
VHF Synthesizer Schematic Diagram ................................................................9B-29
VHF Voltage Controlled Oscillator Schematic Diagram ....................................9B-30
VHF Transmitter Schematic Diagram.................................................................9B-31
VHF Radio Parts List..........................................................................................9B-32
9.0 Circuit Board/Schematic Diagrams and Parts List...........................................9B-36
VHF (136-174MHz) Main Board Top Side PCB No. 8480675Z04 .....................9B-36
VHF (136-174MHz) Main Board Bottom Side PCB No. 8480675Z04 ................9B-37
VHF Controls And Switches Schematic Diagram...............................................9B-38
VHF Receiver Front End Schematic Diagram....................................................9B-39
VHF Receiver Back End Schematic Diagram ....................................................9B-40
VHF Synthesizer Schematic Diagram ................................................................9B-41
VHF Voltage Controlled Oscillator Schematic Diagram ....................................9B-42
VHF Transmitter Schematic Diagram.................................................................9B-43
VHF Radio Parts List..........................................................................................9B-44
10.0 Troubleshooting Charts ...................................................................................9B-49
Troubleshooting Flow Chart for Controller .........................................................9B-49
Troubleshooting Flow Chart for Receiver (Sheet 1 of 2) ....................................9B-50
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2) ....................................9B-51
Troubleshooting Flow Chart for Transmitter.......................................................9B-52
Troubleshooting Flow Chart for Synthesizer ......................................................9B-53
Troubleshooting Flow Chart for VCO .................................................................9B-54
Section 10 Flex Layout/Schematic Diagrams and Parts Lists
1.0 Keypad-Controller Interconnect Flex ................................................................. 10-1
2.0 Schematic for Keypad-Controller Interconnect Flex .......................................... 10-1
3.0 Schematic For Speaker/Mic Assembly - 0104008J99 ....................................... 10-2