DP990/DP995service manual
Figure 4 Bottom-layer Layout Drawing of Key Board .....................................................................................................47
Figure 5 Schematic Diagram of Main Board ....................................................................................................................48
Figure 6 Schematic Diagram of Key Board ......................................................................................................................54
Appendix 3 Material Lists and Schematic Diagrams (136~174 MHZ) ........................................................................... 55
Table 3 Material List (Electronic Part) ..............................................................................................................................55
Figure 1 Top-layer Layout Drawing of Main Board .........................................................................................................66
Figure 2 Bottom-layer Layout Drawing of Main Board ...................................................................................................66
Figure 3 Top-layer Layout Drawing of Key Board ...........................................................................................................67
Figure 4 Bottom-layer Layout Drawing of Key Board .....................................................................................................67
Figure 5 Schematic Diagram of Main Board ....................................................................................................................68
Figure 6 Schematic Diagram of Key Board ......................................................................................................................74