e.
Using a jeweler’s screwdriver, pull the plastic clamp back on the brown
ribbon cable to the stops.
f.
Remove the screw near the metal can on the antenna end of the board.
g.
Gently tip the board up, hinging on the ribbon cable edge. The board will
stick and it will take some leverage to get it up. The ribbon cable will
slide out of the clamp.
h.
Turn the board over and locate the battery pads on the back side of the
circuit board and remove the solder.
i.
Remove the battery and clean the holes in the pad.
j.
Insert the new battery, and check the polarity. The positive side of the
battery should be towards the metal can on the antenna end.
k.
Solder the battery leads and trim them.
l.
Replace the board in the chassis. Slide the ribbon cable into the clamp, set
the board in place, and install the screw.
m.
Replace the white cable clamp
n.
Making sure antenna wire is not pinched, reassemble the case and install
the screws.
o.
You are done!