DP485 Service Manual
II
7. Debugging ................................................................................................................................................. 27
7.1. Debugging Method .............................................................................................................................. 27
7.1.1. Components needed for adjustment ................................................................................................. 27
7.1.2. PC Test Mode Modulation Method .................................................................................................... 27
7.2. Radio Test ............................................................................................................................................ 28
8. General Specification ............................................................................................................................... 29
9. Equipment for Maintenance and Test ..................................................................................................... 30
10. Troubleshooting .................................................................................................................................... 30
Appendix 1 Abbreviations ........................................................................................................................... 31
Appendix 2 Material List (Electronic Part) ................................................................................................. 32
Table 1 Material List of Main Board 400~470MHz ......................................................................................... 32
Table 2 Material List of Main Board 137~174MHz ......................................................................................... 45
Table 3 Material List of Module Board ............................................................................................................ 58
Appendix 3 Material List (Structural Section) ........................................................................................... 59
Appendix 4 Accessory List .......................................................................................................................... 62
Appendix 5 Schematic Diagrams and Layout Drawings .......................................................................... 63
Schematic Diagrams of Main Board ............................................................................................................... 63
Top-Layer Layout Drawing of Main Board ...................................................................................................... 69
Bottom-Layer Layout Drawing of Main Board ................................................................................................ 70
Schematic Diagrams of Module Board ........................................................................................................... 71
Top-Layer Layout Drawing of Module Board .................................................................................................. 74
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