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Soldering
battery wires to the main board during testing.
Step 2 on page 14 of the CBA manual. Instead
of soldering the battery wires into the battery holes of the
main board, solder them to two pads close to the final battery
connection holes.
The negative (black) battery lead is soldered to one terminal
of SW1, be sure it is the terminal closest to the edge of the
board. The positive (red) battery lead is soldered to one terminal
of SW2, be sure it is the terminal closest to the permanent
battery holes. The wires should be soldered just to the solder
pad and need not go into the holes. After soldering check to
see that the leads do not run long and touch other solder pads
or traces. This way the permanent battery holes will remain
clean for the final permanent connection. |