Kirisun DP770, Service Manual

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DP770 Service Manual
6.2.1. Frequency description ......................................................................................................................... 25
6.2.2. Adjustment Equipments ....................................................................................................................... 26
6.2.3. Adjustment instruction of TX ................................................................................................................ 26
6.2.4. Receiver section adjustment instruction .............................................................................................. 28
6.2.5. GPS Performance Test Instruction ...................................................................................................... 30
7. Main Specifications .................................................................................................................................. 31
8. Repairing and Testing Equipments ......................................................................................................... 33
9. Basic Troubleshooting ............................................................................................................................. 34
Appendix 1 Material List
（
Electrics Parts
）
400-470MHz ......................................................................... 36
Appendix 2 Material List
（
Electrics Parts
）
136-174MHz ......................................................................... 54
Appendix 3 Material List (Structural Section) ........................................................................................... 66
Appendix Figure 1 DP770 UHF Main Board Top Side PCB View ............................................................. 69
Appendix Figure 2 DP770 UHF Main Board Bottom Side PCB View ...................................................... 70
Appendix Figure 3 DP770 UHF Keypad Top Side PCB View ................................................................... 71
Appendix Figure 4 DP770 UHF Keypad Bottom Side PCB View ............................................................. 72
Appendix Figure 5 DP770 UHF Main Board Schematic Diagram ............................................................ 73
Appendix Figure 6 DP770 UHF Keypad Schematic Diagram................................................................... 85
Appendix Figure 7 DP770 VHF Main Board Top Side PCB View ............................................................. 86
Appendix Figure 8 DP770 VHF Main Board Bottom Side PCB View ...................................................... 87
Appendix Figure 9 DP770 VHF Keypad Top Side PCB View ................................................................... 88
Appendix Figure 10 DP770 VHF Keypad Bottom Side PCB View ........................................................... 89
Appendix Figure 11 DP770 VHF Main Board Schematic Diagram .......................................................... 90
Appendix Figure 12 DP770 VHF Keypad Schematic Diagram ............................................................... 102
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