Question about Casio Cassiopeia E-125 Pocket PC

3 Answers

E-125 Turns off and won't turn on

I have an E-125 w/ a 340 MB Microdrive, about 13 months old. The main and backup battery show 100%, but for some reason, when running off either a powered cradle or battery, it turns off by itself. Won't turn back on. I reseated both the backup and main battery, and after a while, sometimes a few minutes, sometimes more, it will finally come back on after jiggling the batteries or the battery door lock switch. Seems to occur with or without the CF card in. If it's a symptom of a bad battery, I'll be happy to replace it, but I was wondering if it could be anything else.

Posted by Anonymous on

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Re: E-125 Turns off and won't turn on

I have a Casiopeia E-125, and I had the same problem. You just have to make sure that the battery door is locked.

Posted on Sep 05, 2005

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Re: E-125 Turns off and won't turn on

If the device can be switched on after jiggling the battery cover lock switch you possibly have a hardware problem. It seems like the back cover was removed for some reason & the device reassemblked with the battery cover lock knob in main battery position. Under the the battery cover lock knob there is a microswitch on the main board which will keep the device turned off with the switch in "main " position. You might have to take the back cover off & while manipulating the microswitch LIGHTLY spray a switch cleaning agent like WD-40 or a old time TV tuner/ volume control cleaning/lubricating spray. DON'T FLOOD THE SWITCH. Also when reassembling the back cover make absolutely sure that the battery knob is in BACKUP position. Hope this helps.

Posted on Sep 05, 2005

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Re: E-125 Turns off and won't turn on

This is what I suggest: Get yourself a new backup battery. First backup your Casio. Then install the main battery. Plug the Casio in and recharge overnight. Once recharged, install the new backup battery. Make sure you do not touch the battery with your hands. Use a tissue. This should solve your problem if the Casio is not physically damaged.

Posted on Sep 05, 2005

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You need to purchase a new removable battery for your RX
The removable batts usually only last about a year (like cell phone batteries).
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The rx series uses 2 batteries, one is the removable one u can see/access when u remove the back cover. The other batt is a small round batt which stores the basic info for your system (so you don't lose your data when u swap out the removable battery).

This small (backup) batt is similar to the cmos battery on a laptop or pc.
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Burn it...
Smack oN the Floor..
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It cannot switched the batteries. The backup one is a small internal battery just to keep the CMOS with data. That's it.

If you main battery is not charging or when unplugged won't power on, the is likely the main battery is defective, or the charging circuitry of it is failing.

Best regards,

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I had the same problem with an E125 which I brought off eBay that hadn't been used for several months.
I took out the backup battery and put the main battery in it's holder with a bare wire held onto the negative & positive terminals.
When I turned on the charger, I held the other end of the bare wires onto a partly charged Nokia Battery (Also 3.7V internal). The current from this battery was enough to let the Casio start charging.
After two minutes I disconnected the Nokia battery and gently tugged the bared wires free. The Casio kept on charging happily.
After six hours I disconnected the AC charger, installed a new backup battery CR2032, and everything was go.

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1 Answer

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The back up battery always shows 100%, as far as my experience shows. The backup battery is only utilized to retain memory while the main battery is dead. The backup battery charges first, so if the ppc has enough juice to be turned on, the backup battery should be at 100%, unless it is plugged in and you are just now turning it back on. Even so, it will probably still show 100%.

Basically, you left it on too long and all the batteries died. Sorry, but your data is gone :-(

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are you checking your adapter. i had the same problem with my casseopeia e115. i searched and searched for the battery which even casio doesn't offer anymore. i bought a battery pack which works great w 4 AA batteries but it's bulky and you lose data when you turn off the batteries. i finally went on to discover that my charger/adapter that plugs into the e115 and the serial cradle was scorched by a lightening strike and it was not charging and eventually the batteries DIED!!! I took the adapter to an electronics repair store and for $15.00 they rewired the adapter and it works!!!! it charged the batteries and worked fine.(altho i have to visit them again because i think one of the new wires is bent and i have to position it perfectly to keep charging.) BTW: any one looking for a new casio battery jk210lt...i have a couple to sell! ;-) hope this helps

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Blinking amber light means the battery is not fully recharged. Once it is charged, press the power button. If the the device still does not turn on take out the main battery and the backup battery. Put the main battery in first, then the backup battery and put the battery switch in the lock position. Press the power button and you should see initializing memory..., then starting..., then it will ask you to set up the device.

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