Question about Casio PRG-40T-7 Pathfinder

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Casio PAG 40 I took it apart to replace bateries and a spring came out and I don't know where it goes. The 2 gold ones are in place.

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It's probably the small spring which makes electrical contact between the watch aluminum back and the outer housing, presumably to provide an electrical ground connection to the outside triple sensor. I've attached a photo with the location indicated by the yellow circle and arrow. It goes in the little hole and will fall out if you're not careful.Casio PAG 40 I took it apart to replace bateries a - 11_14_2012_6_41_27_pm.jpg

Posted on Nov 14, 2012

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Silver solder

Posted on May 31, 2014

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Hi there,
I have a few questions for you guys:
1. Where do the 2 gold spring go?
2. I did a stupid thing when trying to replace the bateries. I accidentally brokken the soldering of the triple sensor (please see the attached picture). Do you have any idea of what kind of soldering i have to use?

Many thanks in advance :)


Casio PAG 40 I took it apart to replace bateries a - 598a275d-6a89-4970-b2c1-3ee37ff21ee8.jpg

Posted on Jan 04, 2014

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  • Kennynva T.
    Kennynva T. Apr 08, 2014

    Hi..if you dont fix your watch, I sure could use the small SILVER spring that goes on the outside of the back cover gasket, I have the two gold ones...thanks...

  • Florin Gogu
    Florin Gogu Jul 01, 2016

    Hello,
    I need a favor, do you have a better resolution picture? My batteries leak inside and corodate few paths. Need to remake the PCB but can not find anyware a good picture.
    Thank you!

  • Florin Gogu
    Florin Gogu Jul 01, 2016

    Your sensor can be saved soldering new wires from the triple sensor directly to PCB. You need a good soldering station and a good magnifier!

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SOURCE: Changed dead batteries on PAG-40. Still one dead watch

There is a very small sticker with very small red print just adjacent to the battery compartment. This little sticker states "once batteries are replaced, you need to touch AC with tweezers". I did it with metal tweezers and the watch display came to life. Good luck!

Posted on Feb 19, 2009

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regards,
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