Question about Casio Cassiopeia E-125 Pocket PC

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CASIO E-125 has no backlight

Need help please: My CASIO E-125 is still working but there's no backlight. I can see it's working in the background but without backlight it's so frustrating. Can anyone show me how to fix it or where I can have it fixed? THis PDA is out of warranty though. Thanks PDN

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Pretty common problem, and is normally one of three possibilities: 1. Ribbon cable that connects the backlight daughterboard to the motherboard connector has gone bad, or contacts oxidized. 2. Daughterboard itself has gone bad... 3. Power problem or cpu problem not activating upon powerup. Not as likely. 4.The fluorescent tube itself may has blown. The cure: carefully disassemble your 125, clean the ribbon contacts on both ends of the tiny ribbon cable, be careful, it is very fragile. If that doesn't work, find someone who has a E125 and swap out ribbon cables and see that works, that will at least tell you if the cable is bad or not. If that doesn't work, swap out daughterboards. If that doesn't work, sell it for parts on EBay and buy a new one, because anything else will probably be too expensive.

Posted on Sep 05, 2005

  • deton8 von Splosion Dec 27, 2010

    eBay indeed...

    Try not to be a dishonest slug... tell the truth when you "sell" it for parts...

    Anything else is just plain stealing... Saying "good for parts" when you know it is NOT...!!!

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Hope this helps! Take care and please Remember to rate/vote and give me
4 Thumbs Up for me to continue for Helping out the Community :)
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CASIO Watch User Manual Archives

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Use this page to download a copy of CASIO watch manuals in PDF format.
To download a PDF file, enter the four-digit (or three-digit) module number marked on the back cover of your watch.

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Unless a Casio technician has looked at it don't take Casio's word for it. There is an inverter PCB which converts the DC to high frequency AC for the fluorescent back light. lamp. This is available & can be repaired / replaced. There is also an issue with the E-125 backlighting which simply requires resoldering of a connector on the main pcb. Then there is the fluorescent lamp itself which can go bad & may be replaced. So DO take your device to a well equipped competent technician to look for the precise problem.

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