Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

Thread: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

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  1. #1
    Member godizded's Avatar
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    Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    Hi all,

    I've got a second hand GW-9300GB and it seemed to work OK for a whole day. Battery meter was at Medium (M). Suddently I check it out and the screen has gone completely black, buttons don't respond (!)

    I've just took a shower with the watch and my first thought is: water got inside. So I dissasemble the watch as quickly as I can to dry the module, etc.

    The module looks completely dry. I cannot see any signal of water inside.

    So I reset the watch connecting AC with battery. The watch seems to reset OK. The word "CHG" blinks for a while. Then the watch starts to work. Battery meter is at Medium (M).

    But BUTTONS DON'T RESPOND. None of them.

    I repeat the reset procedure. The word "CHG" blinks for a while. The watch starts to work again. Battery meter is at Medium (M) again.

    Still BUTTONS DON'T RESPOND. Digits seem to blink a bit when I press them, which is weird. (?)

    I have opened many G-shocks and I am pretty sure the module is properly placed. To ensure that buttons work, I usually press the contacts directly from the module. I do that with GW-9300GB module and nothing happens. Then again, maybe it's because buttons aren't supposed to work if the back plate is not properly closed?

    I mean, when I remove the back plate, the display shows the word "OPEN".

    Any ideas of what's wrong with my watch?

    Another question: After disassembling the watch, I've noticed there's TWO rubber gaskets (!!!).

    Name:  CIMG7506.JPG
Views: 529
Size:  2.19 MB

    One of them (see it in the right) fits perfectly in place where gasket is supposed to to be. But what about the other one (see it in the left)? I dissasembled the watch very quickly to dry it and I cannot remember where it was placed.

    I've checked out these 2 threads, but their authors say nothing about two gaskets.

    https://forums.watchuseek.com/f17/rev...od-617233.html
    https://forums.watchuseek.com/f43/gw9...vy-641195.html

    Any help, please? It's the first G-Shock I've purchased in years. I'm desperate here.

    Here's two more photos of the watch:

    Name:  CIMG7507.JPG
Views: 499
Size:  1.97 MB

    Name:  CIMG7508.JPG
Views: 494
Size:  2.27 MB

    Thanks a million in advance,

    G.
    Last edited by godizded; July 25th, 2015 at 15:46.

  2. #2
    Member LankyOrangutan's Avatar
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    Re: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    So the biggest problem is that the buttons don't respond, yeah? It might be missing a spring from inside the module if someone opened it up completely.

  3. #3
    Member godizded's Avatar
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    Re: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    Quote Originally Posted by LankyOrangutan View Post
    So the biggest problem is that the buttons don't respond, yeah? It might be missing a spring from inside the module if someone opened it up completely.
    Yes, the biggest problem is that the buttons don't respond.

    Where is this spring located, please?

    There's 3 springs in the back of the module, but all 3 are in place.

    Thansks a lot,

    G.

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    Re: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    All evidence points to a bad battery. This exact type of behavior happens when the rechargeable battery is going bad--the display shutting off, going to "medium", lack of response to buttons.

    My guess is the previous owner left it in the dark for a year or so. Charged it up for a day to get it working, then sold it. But the battery may not hold a charge anymore. It is weak and since you have already opened the watch you should replace it. Find another identical rechargeable battery (Amazon or pacparts) and replace it, and give it a good charge in the sun after replacement

  6. #5
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    Re: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    I don't know about this specific module, so I can't tell you exactly where it is (or should be), sadly. The only thing that I do know that the spring I lost in a different module was crazy thin and super easy to lose.

    Edit: Kung might also be onto something with the battery. Would still seem strange for the buttons to not work if it's showing M though...
    Last edited by LankyOrangutan; July 25th, 2015 at 15:59.

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    Re: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    Although... I just saw your photo of the two gaskets. This watch does NOT have two gaskets, so either someone went into it at some point and added a gasket, or it is a weird manufacturing error. Never seen anything like that before


    Buttons not working on Medium is normal for a bad battery. It is not really on medium. It just thinks it is

  8. #7
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    Re: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    i think like Kungfusion too, buttons don't function if battery gets low, even though it says M, but it just reaches M from L

    I would let it hanging out under the sun for days before open it - but since you already open it then go ahead and change battery
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    Re: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    Thank you, thank you, thank you, guys.

    I discarded the possibility of a battery problem since the display showed "Medium". At this point I was pretty sure that the module was bad. But if Kung-fusion and G-fob say that "Buttons not working on Medium is normal for a bad battery", I have hope again.

    I've placed another CTL1616 battery which I think it's drained too, I got it from a defective G-shock. But the fact that it's drained it doesn't mean it's bad, right?

    Or does it?

    Now the watch is in "CHG" state, exposed to sun. Let's see what happens. I'll keep ya posted.

    Best,

    G.


  10. #9
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    Re: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    Quote Originally Posted by kung-fusion View Post
    Although... I just saw your photo of the two gaskets. This watch does NOT have two gaskets, so either someone went into it at some point and added a gasket, or it is a weird manufacturing error. Never seen anything like that before
    Me neither. It's crazy. Who would add a second gasket? For what reason?

    I mean, the one what was fitted between the case and the back plate was in very good condition and fitted perfectly. The other one, which I cannot remember where it was placed, was deformed, but looks like a legit replacement gasket for GW-9300.

    Probably a weird manufacturing error... a very weird one for a Made in Japan premium G-Shock that costs several hundred dollars.

    I must say I'm pretty dissapointed. But well, If I can manage to make it work I'll still be the happiest man on earth. : )

    G.

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    Re: Big trouble with GW-9300GB MUDMAN, please help (photos of the watch dissasembled)

    yes, please keep us posted, I am just surprised since this happened to a 9300, a much newer Gshock - it happened A LOT to the old 2300-2310 line and old 5600/5610 - but who knows, maybe the G's battery is not even original when you open it
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