A73 Battery Replacement Instructions
Caution: Disconnect the AC power adapter and place the power switch in the OFF position before beginning the replacement.
1.Remove the four screws on the bottom of the unit using a 3 mm. hex wrench.
2.Lift both ends of the bottom cover slightly and rotate the cover counter clockwise to expose the battery.
3. With a Philips screwdriver remove one screw on the retaining bar of the battery.
4. Unplug the battery and replace with a battery pack from TDK Life on Record.
5.Reassemble the unit, replacing the Philips screw and the four screws retaining the bottom plate.
This completes the battery replacement procedure.