How to fix a Scientific Calculator Cannot Turn/Power ON | DIY Repair Casio Scientific Calculator

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  • Опубліковано 18 чер 2022
  • #calculator
    #fixcalculator
    #casio
    #casiocalculator
    Some calculator comes with an LR44 Alkaline battery. If it has run out then you will need to replace it. You must have used it an incredible amount as with the solar panel, power for the calculator should last for ages. Either that or it is damaged.If the calculator won’t not turn on after replace a new battery,you may try to solve it by follow method in this video.
    Casio Calculator Model Series:
    fx-CG20
    fx-4500PA
    fx-FD10 Pro
    fx-992s
    fx-991ES
    fx-9860G Slim
    fx-9860G SD
    fx-9860G
    fx-9750GA PLUS
    fx-9750G PLUS
    fx-901
    fx-85ES
    fx-82MS-BU
    fx-82ES PLUS WE
    fx-82ES
    fx-820MS
    fx-7400G PLUS
    fx-65
    fx-570VN PLUS
    fx-570ES
    fx-570MS
    fx-50FH
    fx-50F PLUS
    fx-50F
    fx-500VN PLUS
    fx-500ES
    fx-3950P
    fx-3650P
    fx-350ES
    fx-115MS
    ClassPad 330 PLUS
    ClassPad 330
    CFX-9850GC PLUS ALGEBRA
    FX 2.0 PLUS
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КОМЕНТАРІ • 74

  • @domi9905
    @domi9905 9 місяців тому +7

    Thank you, I had the same problem with my calculator and tomorrow is my test in calculus. Thanks for the Vid!

    • @TonaziTube
      @TonaziTube  9 місяців тому +2

      You’re most Welcome! Good luck for your test….

    • @yebbejupalaparthi7003
      @yebbejupalaparthi7003 4 місяці тому +2

      I'm also facing same situation but when I screwed it open the problem is exactly, same you're video helped me a lot thank you

    • @TonaziTube
      @TonaziTube  4 місяці тому

      @yebbejupalaparthi7003 You’re most welcome 🤗. Im so glad it was helpful!

  • @user-bf3sk5yh2j
    @user-bf3sk5yh2j 9 місяців тому

    Thank you for this great sharing

    • @TonaziTube
      @TonaziTube  9 місяців тому

      You’re most welcome!

  • @Anis-uq5bg
    @Anis-uq5bg Рік тому +3

    Thanks bro you save me

  • @beyourself6778
    @beyourself6778 Місяць тому +1

    Thanks a lot 🙏

    • @TonaziTube
      @TonaziTube  Місяць тому

      You’re are most welcome

  • @markkiok9611
    @markkiok9611 11 місяців тому +4

    Thanks for the nice video. I check the wirings using a volt meter. The lines are okay. But the calcu still wont work. I need your help thanks

    • @TonaziTube
      @TonaziTube  11 місяців тому

      You're most welcome!
      There a many possibility cause can create the problem ,try to check the power key contact first.

  • @Ctra-Adonis
    @Ctra-Adonis 3 місяці тому +1

    Eso lo hiciste intensional, es demasiado fácil de hacer

    • @TonaziTube
      @TonaziTube  3 місяці тому

      Esto es realmente lo que le pasó a mi calculadora. Verdadero problema al compartir

  • @nazzchannel5145
    @nazzchannel5145 Рік тому +1

    Thanks bro

  • @Erick-mo7vw
    @Erick-mo7vw 4 місяці тому +1

    Hello, is there a way to fix the sine, cosine and tangent keys? What happens is that when you press the keys they don't work and if it is possible to fix it, please or should I buy another one?

    • @TonaziTube
      @TonaziTube  4 місяці тому

      You need to open and check the board if want to repair it.May be got a break circuit connection , contact or carbon issue at the button area.

  • @awetimileyinoluwakemi7057
    @awetimileyinoluwakemi7057 2 місяці тому +1

    I lost my Casio calculator and found outside on the road, rain fell on it and I opened it to dry it
    It worked and after I left it to dry it didn’t work anymore

    • @TonaziTube
      @TonaziTube  2 місяці тому

      May cause by deffective of electronic component inside.

  • @soonyicheng
    @soonyicheng Місяць тому +1

    My calculator somehow can be used again after i opened the case...
    but still thank you for teaching me how to open the case!

    • @soonyicheng
      @soonyicheng Місяць тому +1

      never mind the ground wire is also corroded

    • @TonaziTube
      @TonaziTube  Місяць тому

      Hope you can solve it

  • @zabalaemmanuelc.6246
    @zabalaemmanuelc.6246 Рік тому +1

    Can I used any kind of glue to fix the wire?

  • @vdjnaresh7391
    @vdjnaresh7391 2 роки тому +2

    Tq so much bro 😎

  • @BlissNett
    @BlissNett Рік тому +1

    Hello Please what of in a case where the battery is not up there but in the middle of the calculator, where there are no wires, what do I do? I have a Casio fx-991ES Plus and an fx-350MS both with the same issue. They only turn on when I remove the battery and put it back.., but the power-on button doesn't turn the calculators on

    • @TonaziTube
      @TonaziTube  Рік тому +1

      Hi ! Thanks for watching.Possiblity
      There a many issue ,one of the issue is button contacts at rubber key.
      You may refer below link video as reference.Hope may solve your issue.
      ua-cam.com/video/otetUUaaHJM/v-deo.html

  • @prabatbhurtel374
    @prabatbhurtel374 Рік тому +1

    Bro from where do we get that device ?is that glue or what ? And What can we use instead of that

    • @TonaziTube
      @TonaziTube  Рік тому

      I’m using soldering iron and solder lead to repair the wire connection.A soldering iron is a hand tool used to heat solder, usually from an electrical supply at high temperatures above the melting point of the metal alloy. This allows for the solder to flow between the workpieces needing to be joined.
      You can use anything that is able to heat a piece of metal up to the melting point of your solder (between 400°F / 200°C and 700°F / 370°C). Butane lighters work the best. But you can also use candles, oil lamps, alcohol burners, or even open camp fires.

  • @intelcorei0364
    @intelcorei0364 9 місяців тому +1

    I disassembled mine and discovered that the ground wire was corroded, so I stripped it and soldered it, as shown in the video.

    • @TonaziTube
      @TonaziTube  9 місяців тому

      Thanks for sharing your experience!

  • @aashishreddy9398
    @aashishreddy9398 3 місяці тому +1

    bro in sunlight calculator is working but When Replaced new battery not working

    • @TonaziTube
      @TonaziTube  3 місяці тому

      Check the battery is put in correctly and not with reversed polarity.
      Check the battery is new and in date.
      Clean the contacts of the battery holder.
      Check for damage to the battery contacts

  • @prabatbhurtel374
    @prabatbhurtel374 Рік тому +1

    Can we use super glue to paste that Wire?

    • @TonaziTube
      @TonaziTube  Рік тому

      Can use super glue but pls make sure the copper wire have a good contact to the solder of the calculator pin.Otherwise it will come out again.

    • @TonaziTube
      @TonaziTube  Рік тому

      You can use anything that is able to heat a piece of metal up to the melting point of your solder (between 400°F / 200°C and 700°F / 370°C). Butane lighters work the best. But you can also use candles, oil lamps, alcohol burners, or even open camp fires.

  • @realstorm2351
    @realstorm2351 9 місяців тому +1

    My calculator is very dim in battery power, i changed new battery but same issue, checked continuity test, continuity is perfect, then checked output power on board, it shows 1.48, so everything is fine, but display is dim... and the calculator is fine with solar power, the issue is in battery power, any solution sir??

    • @TonaziTube
      @TonaziTube  9 місяців тому +1

      Look you’re familiar with electronic test knowhow.It might be voltage issue inside the board circuit.Difficult for me to advise without see the board condition.

  • @ezy2cook
    @ezy2cook 2 роки тому +2

    👍

  • @zainamjad8468
    @zainamjad8468 Рік тому +1

    Bro what if the wire is broken from the board?

    • @TonaziTube
      @TonaziTube  Рік тому +1

      Got 2 wires for battery connection to board.This wire supply voltage 1.5V from battery to board.If broken, possibility no contact and cause calculator can't power on.

  • @ppc4061
    @ppc4061 10 місяців тому +1

    What if digits in display is not visible?

    • @TonaziTube
      @TonaziTube  10 місяців тому +1

      Need to check battery continuety first.

  • @shamilahacio579
    @shamilahacio579 Рік тому +2

    What if the black wire got separated?

    • @TonaziTube
      @TonaziTube  Рік тому

      Black wire (Negative)connect to the battery supply at negative terminal.Calculator in this video can’t power on is due to black wire is disconnected from battery supply.(No supply voltage to the calculator).
      Note:
      Red wire (Positive supply)
      Black wire(Negative- Gnd)

    • @TonaziTube
      @TonaziTube  Рік тому

      Need to connect red wire and black wire to complete the circuit of voltage supply to calculator.

    • @pawankumarlohade970
      @pawankumarlohade970 Рік тому

      Ka booommmm

    • @TonaziTube
      @TonaziTube  Рік тому

      😀

  • @ammu9435
    @ammu9435 Рік тому +1

    My calculator is celect company, problem is not working . same
    Process to proceed this calculator

    • @TonaziTube
      @TonaziTube  Рік тому

      Hopefully the problem is solved

  • @balajibolt4222
    @balajibolt4222 Місяць тому +1

    Bro i brought dr smartx calculator at flipkart last month now it's not working. Like not turning on can u pls help and guide me what to do

    • @TonaziTube
      @TonaziTube  Місяць тому +1

      Did you check and confirm the battery voltage?

    • @balajibolt4222
      @balajibolt4222 Місяць тому +1

      No bro

    • @balajibolt4222
      @balajibolt4222 Місяць тому +1

      I think should I open and check the connections of wire or should I change the battery

    • @balajibolt4222
      @balajibolt4222 Місяць тому +1

      Bro pls reply

    • @TonaziTube
      @TonaziTube  Місяць тому +1

      Pls do simple way first.Replace the battery.

  • @yunytotoro7184
    @yunytotoro7184 Рік тому

    Naaa, what is I don't have that burn tool to repair😢 struggle a lot

    • @TonaziTube
      @TonaziTube  Рік тому

      The tool use is called Soldering Iron.Beside it,you can use Candle or Lighter to melt the the solder and stick the wire connection back.Also can use super glue to stick the wire contact to solder of battery terminal.

  • @virendraprajapati1669
    @virendraprajapati1669 Рік тому +2

    Bhai mere ka on button kaam nhi kr raha hai

    • @TonaziTube
      @TonaziTube  Рік тому

      dekhane ke lie dhanyavaad. krpaya any taar kanekshan ya baitaree star kamajor jaanchen ya nahin.

    • @TonaziTube
      @TonaziTube  Рік тому +1

      Thanks for watching.Please check other wire connection or battery level weak or not.

    • @virendraprajapati1669
      @virendraprajapati1669 Рік тому +1

      @@TonaziTube all perfect but only on button not work

    • @TonaziTube
      @TonaziTube  Рік тому

      Could be a variety of problems, more than likely a worn or malfunction of the key circuit.

  • @dirorerero
    @dirorerero 4 місяці тому +1

    Como soldar un cable. Perdida de tiempo!

    • @TonaziTube
      @TonaziTube  4 місяці тому

      Use un soldador y plomo. También puede usar plomo de soldadura y un encendedor. Si tampoco tiene las herramientas, puede torcer el cable manualmente hasta el pin de la batería.

    • @dirorerero
      @dirorerero 4 місяці тому

      @@TonaziTube cambia el título de la publicación...te lo dice un técnico en electrónica.

  • @rockygaming3663
    @rockygaming3663 Рік тому +1

    Its turning and when I put take and put battery but once turned off can't on 🥲

    • @TonaziTube
      @TonaziTube  Рік тому

      Maybe got connection issue inside the calculator.