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Contact AC with battery using tweezers - Watches

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6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: CASIO SPF40 battery replacement

"AC" means All Clear. This terminal should be marked somehow. Use a magnifying glass to get a good look at what you are working on. My Casio had an arrow pointing to four copper leads. I used a paper clip to connect the AC terminal (I just picked one of the four) to the + side (usually the "up" side) for a couple seconds and my Casio Sea Pathfinder model 2273 powered right up. See the following link for more guidance.
http://www.geocities.com/watch_crazy/battery/battery.htm

Posted on Mar 26, 2008

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upajos
  • 24 Answers

SOURCE: battery replacement for a G-shock.

The reset trick works with other Casio Alarm Chrono digital watches, such as my old Model W-720, as well. After the new lithium coil cell is installed and secured with the spring clip, the watch may show random segments in the LCD display or may simply be blank. Insert a sewing needle, paper clip, or blade of a small jeweler's screwdriver into the hole on the back of the movement stamped "AC" (All Clear) to momentarily connect the gold plated contact at the bottom of the hole to the stainless steel battery clip. The battery clip in most such Casio watches is connected to the "+" terminal of the coin cell. This will reset the CMOS chip and it should start up with the watch displaying 12:00 and the date at 1-1. Then, use the control buttons to set the time and date in the normal fashion.

Posted on Oct 29, 2008

escapement
  • 2334 Answers

SOURCE: Battery Replacement

Do not lay the tweezers across any contacts as you may damage the watch.
First you need to examine your watch movement and find an AC point (contact). It is embedded on movement. Use an eyeglass, as the writings can be very tiny.
When found, touch an AC point with one arm of tweezers and battery+ with another arm simultaneously.
Some watches needs to do that twice, so, to be sure, do that twice.
If you are not comfortable with tweezers, you can use a thin wire, connecting one end of the wire to AC point and another to battery+.
Each shortcut should last for 3 seconds.

Do not forget to rate, please.

Posted on Jan 27, 2009

escapement
  • 2334 Answers

SOURCE: Battery Replacement

Do not lay the tweezers across any contacts as you may damage the watch.
First you need to examine your watch movement and find an AC point (contact). Use an eyeglass, as the writings can be very tiny.
When found, touch an AC point with one arm of tweezers and battery+ with another arm simultaneously.
Some watches needs to do that twice, so, to be sure, do that twice.
If you are not comfortable with tweezers, you can use a thin wire, connecting one end of the wire to AC point and another to battery+.
Each shortcut should last for 3 seconds.

Do not forget to rate, please.

Posted on Feb 10, 2009

  • 1 Answer

SOURCE: how to get casio sea-pathfinder working after replacing batteries

got a sea pathfinder and just got it back after sending it away to get batteries replaced. Worked fine for a day or two but now none of the buttons work at all - it is still chugging along keeping the correct time but no buttons including the light works - is there a manual reset procedure without taking the back off?
Cheers

Daz

Posted on Sep 03, 2009

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http://support.casio.com/en/manual/009/qw1572.pdfhttp://support.casio.com/en/manual/009/qw1572.pdf
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Shortcut battery with AC contact. AC can be found on the sides of watch movement(very tiny). You have to use pointed tweezers: one end on battery+, another on AC contact for three secs..

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1 Answer

Reset a t-touch expert


Shortcut battery with AC contact. AC can be found on the sides of watch movement(very tiny). You have to use pointed tweezers: one end on battery+, another on AC contact for three secs
If you take a jeweler's lupe near where the arrow is you will see the word "reset" in the plastic.
There is a deep hole in the plastic with contacts below. That is the reset, and that is why you must use very sharp pointed tweezers to make contact with the back of the battery.

I think if you do not have sharp tweezers, you can probably put a sewing pin down the hole, and then connect with a small screwdriver to the back of the battery

Jan 30, 2013 | Tissot T-Touch T33159851 Wrist Watch

1 Answer

My instructions on the inside of the case state: "After battery replacement contact AC with battery (+) using tweezers." What does this mean and what is the "AC"


If you look closely at the chassis of the watch, you should see the letters "AC" stamped next to the battery.

The instruction means connect the battery case to this. (I think that tweezers are quoted since they are the most likely thing that users will have to hand).

Jan 07, 2011 | Watches

1 Answer

I replaced the battery. was told it needed to be grounded before it would work....yep...how do i that? thx, rick


Remove and reinsert battery.If no result,proceed as follows:
Use a watch tweezer with sharp endings.Remove watch back cover.You will see somewhere on the watch chassis "AC" engraved.There is a hole with contact at the bottom next to "AC".Gently,put one leg of the tweezer touching this contact and the other leg touching the chassis,instantly.Check the display.If no result,try again.This short-circuit/ground will activated the internal circuit and the watch will start working.If you do not have tweezer,you can use 2 watch repairer screw drivers,as well.

Oct 11, 2010 | Timex Ironman 30 Lap 53952 Wrist Watch

1 Answer

I have a Casio GW 9050, label on Battery clip says ''After battery replacemetn contact AC with Battery + using tweezers''. I've read here before that you need to use a paper clip or tweezers to ground the...


First of all, the battery goes in with the writing on top so you can read it when it is in the watch. By trial and error, I happened to use the second hole at the bottom left. To orient yourself, look at the watch, and just turn it over face down. There is one hole at the 6pm position and another one at about 7 pm, use the 7 pm one. I pressed down with one end of the tweezer and touched the battery with the other end. This reset the watch, and then I used the normal buttons (mode/adjust) to set the time and date.

Oct 10, 2009 | Casio Watches

2 Answers

Battery Replacement


Do not lay the tweezers across any contacts as you may damage the watch.
First you need to examine your watch movement and find an AC point (contact). Use an eyeglass, as the writings can be very tiny.
When found, touch an AC point with one arm of tweezers and battery+ with another arm simultaneously.
Some watches needs to do that twice, so, to be sure, do that twice.
If you are not comfortable with tweezers, you can use a thin wire, connecting one end of the wire to AC point and another to battery+.
Each shortcut should last for 3 seconds.

Do not forget to rate, please.

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1 Answer

Battery Replacement


Do not lay the tweezers across any contacts as you may damage the watch.
First you need to examine your watch movement and find an AC point (contact). It is embedded on movement. Use an eyeglass, as the writings can be very tiny.
When found, touch an AC point with one arm of tweezers and battery+ with another arm simultaneously.
Some watches needs to do that twice, so, to be sure, do that twice.
If you are not comfortable with tweezers, you can use a thin wire, connecting one end of the wire to AC point and another to battery+.
Each shortcut should last for 3 seconds.

Do not forget to rate, please.

Jan 27, 2009 | Casio Triple Sensor Pathfinder PRG60-1AV...

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