Casio F91W battery change, AC if display not working

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  • Опубликовано: 9 сен 2024
  • The AC procedure may apply to other similar Casio models.

Комментарии • 62

  • @louvett77
    @louvett77 3 года назад +8

    Thank u after Taking it to the watch repair shop they told me it was done for after watching the video I change the original battery for the 1st time after 10 years and Wala back to life

    • @Mattablox
      @Mattablox 2 года назад +3

      Voila not wala :)

    • @Mattablox
      @Mattablox 2 года назад

      Voila not wala :)

    • @tydshiin5783
      @tydshiin5783 Год назад

      They want you to buy a new watch lmao

  • @Lancefrei
    @Lancefrei 2 года назад +6

    Even after you reset and you don’t see any digits, it could be because the contacts on the back of the battery aren’t making a good enough connection. The old battery has probably been in there for several years and those contacts are flattened down. The remedy is to take the battery out and use a tweezer to pry them up just a little bit so they make a better connection. It may take a couple of tries. I also recommend putting a little silicone grease on the rubber gasket to try to maintain the water resistant rating for this watch. It doesn’t guarantee that, but it will help.

    • @gregross2541
      @gregross2541 2 года назад

      I had the same issue. I bent the contacts like you said and it wasn't quite working still. I applied a lot of random brute finger pressure to various parts of the watch face and then it started working. May have pressed a button or two also.

    • @Merokh
      @Merokh 4 месяца назад

      this did it for me. removing the battery and bending the contacts on the bottom to look further up so they press harder against the new battery. In combination with the short-circuit that can be seen in the video I feel like a hacker now, lel. also It was necessary to bend the contact plates from the 3 buttons on the sides to make the buttons work again. probably because of me fumbling around too much. My display had some minutes tho show numbers but not fully. It came back fully readable after some 1-2 minutes, though.

  • @lorenzodelotto9690
    @lorenzodelotto9690 4 года назад +10

    Dude you saved my watch! Thank You so much!!!!

  • @Vivek-vq1um
    @Vivek-vq1um 2 месяца назад +1

    Thanks dude .. saved my 16 years old F91w

  • @williambracho5670
    @williambracho5670 Год назад +4

    For anyone wondering with a Casio W-59 (very similar watch) on how to reset the CMOS (AC), I could only got it to by connecting the AC terminal directly with the + side of the battery

    • @martin.s7
      @martin.s7 Год назад

      Thank you!! It works. :]

  • @Moefulify
    @Moefulify 7 месяцев назад +1

    Thanks a lot - used a paper clip to do the 2.22 reset ;) So good to not just get another watch!!!

  • @tirmikj5
    @tirmikj5 2 года назад +3

    i didnt understand. what makes AC ? All clear??

  • @user-ct2zo7lw2u
    @user-ct2zo7lw2u 9 месяцев назад +1

    If the display shows random things, u have to RESET. Short circuit the AC (All Clear) point. This is a TINY hole, one from the many on the face (Top/North), a very hard to read sign indicates it. Try to move into the light to reflect for easier readability. Than use some metallish, thin tool to short the circuit. I used a clips, folded back to CONNECT THE BATTERY WITH THE AC POINT.

    • @Rek0rdsS
      @Rek0rdsS 5 месяцев назад

      Thank you mate, it is working again.

  • @westerliesharbour7608
    @westerliesharbour7608 2 года назад +2

    I removed the sticky piece of white paper, does it matters?

  • @aghasamiei
    @aghasamiei 17 дней назад

    😂 thanks a lot,I wanted to throw the watch in the trash before this video

  • @teknolojidunyamz7184
    @teknolojidunyamz7184 6 месяцев назад

    Did the beep sound go away after battery replacement?

  • @xcube132
    @xcube132 4 года назад

    Buen trabajo,me ha salvado,muchas gracias!

  • @childishprofessor4525
    @childishprofessor4525 2 года назад

    My watch gets blinking the digits I used to watch your video and do like the way you does but it has a difference I just losses ah one screw here ?

  • @MrTomswanie
    @MrTomswanie 2 года назад

    Thanks a bunch. Saved mea watch!

  • @giankarlosps
    @giankarlosps Месяц назад

    GRACIAS!

  • @Ccarlos7
    @Ccarlos7 2 года назад

    Thank you, it works

  • @AmarSingh-co1fq
    @AmarSingh-co1fq 3 года назад +3

    It is a CR2016 Battery

  • @typobad
    @typobad 4 года назад +1

    i managed to do the AC thing, and i got results, the watch shows all the right things, but some of the segments just dont show at all. worried that the watch might just be broken, i just got the watch today, and the display was missing segments before i had even opened it. do you have any tips, or is this a lost cause?

    • @johne6081
      @johne6081 4 года назад +1

      That is precisely my problem, as well. I replaced the battery, and now I can't get all segments to light.

    • @freedom55or95
      @freedom55or95 4 года назад +2

      @@johne6081 Ensure one tweezer end pokes into the AC (all clear) hole, and other tweezer end should simultaneously touch the silver metal battery clip you just pressed on. That should reset it back to 1200 on Sunday 1. GL!

    • @johne6081
      @johne6081 4 года назад

      @@freedom55or95 Typo and I have the problem of dark segments, which evidently is related to the conductive rubber strip that connects the LCD display to the circuit board.

  • @WardyChannel
    @WardyChannel 3 года назад

    What are the prongs called to reset the AC. I’m trying to find some but not sure what to search.

  • @tingchan4770
    @tingchan4770 4 года назад +3

    Saved my butt, I thought all was lost.

  • @quochuy2529
    @quochuy2529 3 года назад

    thank you so much!

  • @fredericomontero6123
    @fredericomontero6123 2 года назад

    Thank you so much

  • @sherajussalehin7881
    @sherajussalehin7881 3 года назад +1

    What is the size of the screw used in that watch?

    • @raouloctav
      @raouloctav  3 года назад +2

      It's a really small Philips, but i do not know the size. What i can tell you, it's standardized on lower ends Casio

    • @user-jq3mw4rj1k
      @user-jq3mw4rj1k 4 месяца назад

      It's the same which is normally used in eye glasses. I just got one from my local eye glasses shop and it was the perfect fit. Hope it helps.

  • @kitiorore6705
    @kitiorore6705 7 месяцев назад

    2:23 after AC no display,why?

  • @tirmikj5
    @tirmikj5 2 года назад +1

    the VERY IMPORTANT part is not in video!!!!

  • @281
    @281 Год назад

    I tried this but my LCD still doesnt work

  • @readytofish1
    @readytofish1 Год назад

    Tks

  • @Marian87
    @Marian87 2 года назад

    My screen flickers after changing the battery, The AC reset doesn't fix it.

    • @raouloctav
      @raouloctav  2 года назад

      Hy. Check if everything is seated correctly. Replace or reseat the battery

    • @Marian87
      @Marian87 2 года назад

      @@raouloctav Thank you for the reply. I did that a few times. I fiddled with it for more than an hour with no success. It might just be a problem with the quartz oscillator or a bad solder joint somewhere. It's a used watch I received without the battery so I have no idea if the problem existed before.

  • @prakshob
    @prakshob 2 года назад

    What happens if i use a cr2032 battery?

    • @raouloctav
      @raouloctav  2 года назад

      I believe it's too thick

  • @millenniumedition
    @millenniumedition 2 года назад +1

    I’m 7 and use this watch dayliy

  • @avada0
    @avada0 2 года назад

    My watch remained dead... :(
    The old battery was certainly discharged: 0.3V So I don't know what happened.

    • @avada0
      @avada0 2 года назад

      Well, after some adjustments it came back to life.

  • @ady.cartier.1993
    @ady.cartier.1993 4 года назад

    Sall de unde pot achizitiona palosul lui greuceanu

    • @raouloctav
      @raouloctav  4 года назад

      :) a fost un proiect din perioada comunista a unui mester, am vazut ceva similar la Gerber , lansat acum in 2020. ceva tip maceta, nu am numele acum dar poti cauta Gerber shotshow 2020

    • @ady.cartier.1993
      @ady.cartier.1993 4 года назад

      @@raouloctav mulțumesc

  • @gm2655
    @gm2655 4 года назад

    Thanks..after i replace battery..alarm sound no longer work

    • @ranjankc121
      @ranjankc121 4 года назад +3

      Hi ..remove the back cover and arrange it correctly, make sure the alarm pins are aligned with back cover speakers.

    • @raouloctav
      @raouloctav  4 года назад +1

      @@ranjankc121, you are right, the piezoelectric speaker needs to have contact to work properly, this if it has not gone kaput.

    • @lorenzodelotto9690
      @lorenzodelotto9690 4 года назад +1

      @@ranjankc121 thank you!!!

    • @ranjankc121
      @ranjankc121 4 года назад

      @@lorenzodelotto9690 your welcome...

    • @tirmikj5
      @tirmikj5 2 года назад

      after assmbling back cover (metal) then gonna work. try it before screwing. you ll see. ( i was terrifed same.. then i see)

  • @yogijangid3262
    @yogijangid3262 3 года назад

    I replaced battery my Casio watch but my watch was not working 😭😭
    Please do something

    • @trevhib
      @trevhib 9 месяцев назад +1

      It's taken years for anyone to reply to you but rest assured, I have now done something.

  • @pramodpatil6041
    @pramodpatil6041 Год назад

    Use gloves