Service manual

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3.5 VHF Troubleshooting Charts ..................................................................................... 3-15
Troubleshooting Flow Chart for Controller ...................................................................................... 3-15
Troubleshooting Flow Chart for Receiver (Sheet 1 of 2) ................................................................ 3-16
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2) ................................................................ 3-17
Troubleshooting Flow Chart for Transmitter ................................................................................... 3-18
Troubleshooting Flow Chart for Synthesizer................................................................................... 3-19
Troubleshooting Flow Chart for VCO.............................................................................................. 3-20
3.6 Low Band Troubleshooting Charts........................................................................... 3-21
Troubleshooting Flow Chart for Controller ...................................................................................... 3-21
Troubleshooting Flow Chart for Receiver (Sheet 1 of 2) ................................................................ 3-22
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2) ................................................................ 3-23
Troubleshooting Flow Chart for Transmitter ................................................................................... 3-24
Troubleshooting Flow Chart for Synthesizer................................................................................... 3-25
Troubleshooting Flow Chart for VCO.............................................................................................. 3-26
3.7 800 MHz Troubleshooting Charts.............................................................................. 3-27
Troubleshooting Flow Chart for Controller ...................................................................................... 3-27
Troubleshooting Flow Chart for Receiver (Sheet 1 of 2) ................................................................ 3-28
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2) ................................................................ 3-29
Troubleshooting Flow Chart for Transmitter ................................................................................... 3-30
Troubleshooting Flow Chart for Synthesizer................................................................................... 3-31
Troubleshooting Flow Chart for VCO.............................................................................................. 3-32
3.8 PassPort Trunking Troubleshooting Chart .............................................................. 3-33
3.9 Keypad Troubleshooting Chart ................................................................................. 3-34
3.10 900 MHz Troubleshooting Charts.............................................................................. 3-35
Troubleshooting Flow Chart for Controller (Sheet 1 of 2) ............................................................... 3-35
Troubleshooting Flow Chart for Controller (Sheet 2 of 2) ............................................................... 3-36
Troubleshooting Flow Chart for Receiver (Sheet 1 of 2) ................................................................ 3-37
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2) ................................................................ 3-38
Troubleshooting Flow Chart for Transmitter ................................................................................... 3-39
Troubleshooting Flow Chart for Synthesizer................................................................................... 3-40
Troubleshooting Flow Chart for VCO.............................................................................................. 3-40
Chapter 4 Schematic Diagrams, Overlays, and Parts Lists
4.1 Introduction ................................................................................................................... 4-1
4.1.1 Notes For All Schematics and Circuit Boards...................................................................... 4-1
4.2 Flex Layout .................................................................................................................... 4-2
Figure 4-1:Keypad-Controller Interconnect Flex............................................................... 4-2
4.2.1 Keypad-Controller Interconnect Flex Schematic ................................................................. 4-3
Figure 4-2:Keypad-Controller Interconnect Flex Schematic Diagram............................... 4-3
4.2.2 Keypad-Controller Interconnect Flex Parts List ................................................................... 4-3
4.2.3 Universal Flex Connector ................................................................................................... 4-4
Figure 4-3:Universal Flex Connector ................................................................................ 4-4
4.2.4 Universal Connector Flex Schematic................................................................................... 4-5
Figure 4-4:Universal Flex Connector Schematic Diagram................................................ 4-5
4.2.5 Universal Flex Connector Parts List .................................................................................... 4-5
4.2.6 Keypad Top and Bottom Overlays....................................................................................... 4-6
Figure 4-5:Keypad Top and Bottom Board Overlays ........................................................ 4-6
Figure 4-6:Keypad Board (5000 and 7000 Series) Schematic Diagram.......................... 4-7
Figure 4-7:9000 Series Keypad Top and Bottom Board Overlays................................... 4-9
Figure 4-8:9000 Series Keypad Board Schematic Diagram ........................................... 4-10