DP480 Service Manual
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6.5.Detaching Shell from the Base
Step 1.
Detach the antenna;
Step 2.
Detach the two knobs and circlips;
Step 3.
Detach the two knob nuts and antenna nut;
Step 4.
Detach the two screws fastening the belt clip;
Step 5.
Insert the blade of a straight screwdriver into the battery slot of the aluminum-alloy holder, and prise
the holder upwards until it goes up;
Step 6.
Hold the aluminum-alloy holder, draw the shell backwards, and then take out the flexible flat cable
from the extension socket.
6.6.Detaching Main Board from the Base
Step 1.
Detach the two screws on the PTT PCB.
Step 2.
Unscrew the seven bolts on the main board.
Step 3.
Unsolder the antenna using a soldering iron (or take down the antenna connector nut), and then
separate the main board (including the PTT PCB) and the aluminum-alloy holder.
Summary of Contents for DP480
Page 9: ...DP480 Service Manual 6 4 Circuit Description 4 1 Circuit Diagram of Main Board ...
Page 76: ...DP480 Service Manual 73 Top Layer Layout Drawing of Main Board ...
Page 77: ...DP480 Service Manual 74 Bottom Layer Layout Drawing of Main Board ...
Page 79: ...DP480 Service Manual 76 Top Layer Layout Drawing of Key PCB ...
Page 80: ...DP480 Service Manual 77 Bottom Layer Layout Drawing of Key PCB ...
Page 84: ...DP480 Service Manual 81 Top Layer Layout Drawing of Module Board ...