Main Battery - Epson PX-8 Technical Manual

REV.-A
4.4 Main Battery
Before replacing the main battery, the RAM data must be saved on an external storage device
(cassette tape or floppy disk, etc.) for protection.
Main battery replacement procedure
Step 1. Reset the POWER switch OFF.
Step 2. Loosen the main battery cover set screw at the bottom of the computer and remove
Step 3.
Step 4.
Step 5.
I-
the cover.
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Fig. 4-36 Main BatteTY Cover Removal
Make sure that the auxiliary switch is set.
Fig. 4-37 Auxiliary Battery Switch
Disconnect the battery connector and remove the battery.
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I II
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Fig. 4-38 Main Battery Removal
Connect the new battery connector and put the battery in place and lay the lead
wire as shown in Fig. 4-39 - lay the lead wire so that it is pushed against the case
and the pressure prevents it from rising.
Lead wire
o
Fig. 4-39 Main Battery Installation
4-18