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Epson PX-8 back-up battery

Charles21

Member
Joined
Apr 4, 2015
Messages
16
Location
USA
Could somebody advise where the back-up battery is located in the PX-8? I could not find this information on the various manuals available online and I would like to keep the disassembling to a minimum.

Thanks
 

kyodai

Experienced Member
Joined
Jan 26, 2011
Messages
467
Location
Kerpen, Germany
The "intelligent RAM board" has the backup battery attached to it, so there is no other way but taking it apart. 4 Standard AAA cells will do the trick.
 

Charles21

Member
Joined
Apr 4, 2015
Messages
16
Location
USA
The "intelligent RAM board" has the backup battery attached to it, so there is no other way but taking it apart. 4 Standard AAA cells will do the trick.

Thanks for your reply. I had actually located the back-up battery. It is a long yellow cylinder that appears to be soldered to a vertical pin at each end. I assume that I need to unsolder these two pins to get the battery out. Do you have any idea about what is in the yellow cylinder? Is it a single battery or there are multiple small batteries? I am afraid that 4 AAA batteries will not fit inside the case. Also, how could they be secured to the board? I assume that the batteries need to be re-chargeable.

Any comments/answers are very much appreciated. Thanks.
 
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