► Bad LCD Screen Repaired - Casio Scientific Calculator

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  • Опубліковано 14 вер 2021
  • 🖩 My Casio FX-115S developed some dead segments in the LCD display. This video shows how I fixed it.
    ► DISCLAIMER
    This video is for reference/entertainment purposes only and is not intended to be advice or instruction. I am not liable for any damage or injury related to the content of this video.
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    #sevenFortyOne #LCDrepair #calculator
  • Наука та технологія

КОМЕНТАРІ • 76

  • @jayk5945
    @jayk5945 2 роки тому +15

    Holy Crap! My TI 30Xa had something like this displayed .... didddiii instead of 888888. I was missing an attachment to my soldering iron so I carefully pressed the iron on a small wad of aluminum foil against the ribbon area. I carefully ran it across a few times. IT WORKED. I was about to chuck my 40 year old calculator before running across your video. I know it's only a $10-15 calculator, but it made my day. Thanks Dude!

    • @SevenFortyOne
      @SevenFortyOne  2 роки тому +1

      Awesome 👍

    • @rba897
      @rba897 2 місяці тому

      I got the same problem, with the TI 25x, i hope so fix that, your información i think to help me

  • @ivanivanych5959
    @ivanivanych5959 Рік тому +6

    Hi! Thanks to you, i fixed a similar problem with my fx-992s. In my case, the problem was found on the LCD side: some of ribbon cable pins has lost a contact with the LCD. I fixed it using the soldering iron. At first, i fold a piece of aluminium foil to make 4 layers. Then this foil have been applied above the ribbon cable upon the area, where it's connected with the LCD. Then i heat the foil using my soldering iron (150 C degrees), and following its tip i move some silicone card to apply some pressure. My fx-992s is working again! Thanks a lot from Ukraine!

  • @aminmm7855
    @aminmm7855 2 роки тому +4

    Man you saved me ! I've had my Casio fx85WA since 2010 and it had become so dear to me... and I've just fixed it by watching your video. I couldn't be more grateful ! Big up from Algeria.

  • @slavkog
    @slavkog 2 роки тому +12

    Thanks a lot sir for an idea!
    I have tried heating and pressing but did no good to me (i guess there isn't much adhesive left on my board),
    so i tried a different approach.
    I took a piece of soft material and placed it on the top of that problematic spot. It works like a charm!

  • @ColinvanWaardenberg
    @ColinvanWaardenberg 9 місяців тому +1

    Just tried this with the iFixit iOpener, first time I was too quick to apply pressure, second time i had something else apply pressure and i let it sit for 10 minutes, then applied some extra pressure with my fingers afterwards and VOILA! I could really feel the contact point being hotter after letting it sit with the iOpener on it. Thx for inspiring and doing the quick show and tell!

  • @ricxmat
    @ricxmat 2 роки тому +4

    I replace a new polarized film on a CASIO FX 880P, with almost 30 years old! but have problems with some segments not working , your video help me to fix this problem , now i have 100% beautiful screen working like new!! Thank you very much for sharing your knowledge! regards from Brazil!

    • @saurobaietta1885
      @saurobaietta1885 2 роки тому

      I think I've the same problem with my Casio 850 P and with a CASIO Z-1
      I hope to be able to repair it: any supplemental advice before making a wrong step?

  • @warrensaunders
    @warrensaunders 2 роки тому +5

    Thank you so much! I had given up trying to fix my Casio FX-82 Super Fraction, but this was exactly what I needed to know!

  • @jimtailor6609
    @jimtailor6609 2 роки тому +3

    No fair that you diagnosed and fixed that calculator so quickly!

  • @hwhack
    @hwhack 2 роки тому +10

    I have exact same VPAM calculator with the same issue! Thanks for the video!
    I've had the calculator since 1996 and learned everything from complex numbers to trig using it.

    • @SevenFortyOne
      @SevenFortyOne  2 роки тому

      I used to know how to use most of the functions in this calculator but have forgotten most of it now

  • @bencaulton4031
    @bencaulton4031 2 місяці тому

    Fixed my Casio FX-83WA display using this method. Thanks for making the video.

  • @JohnHoranzy
    @JohnHoranzy 7 місяців тому

    Thanks so much. I need to bring back one of my vintage collectables back to life. Never had this problem with my Slide Rules or Abacus..

  • @ahmeterhanarik
    @ahmeterhanarik Рік тому

    Thanks for the video. I was trying to do the same. Good to know, I was doing it the right way. Just need more heat!

  • @nrfchannel8580
    @nrfchannel8580 Рік тому +5

    I've been using a similar model for 20 years. Good equipment I used it in high school and college. My son now uses it after replacing the battery

  • @AaronHuber
    @AaronHuber 2 роки тому

    Awsome fix job!

  • @just_in_time5518
    @just_in_time5518 2 роки тому +1

    Nice fix!

  • @adamk.1044
    @adamk.1044 2 роки тому +1

    Than you for the video.
    I have to try this .

  • @orakelgottes
    @orakelgottes 2 роки тому

    Thanks sir ... now I'm going to do the same with my broken lcd display

  • @ronaldspencer547
    @ronaldspencer547 2 роки тому

    Well done!

  • @nikkowansaimon6143
    @nikkowansaimon6143 8 місяців тому

    Thanks very much... From Valle de Chalco Solidaridad, Estado de México.

  • @KalleJohansson
    @KalleJohansson Рік тому +1

    Worked great!! My fx100s from 1998 is revived for another 30 year's 😂😂😂 Mind you, I just replaced the original battery!!!

  • @VoelhoMobile
    @VoelhoMobile Рік тому

    Thanks! Saved my display too.

  • @ThomasSchwinge
    @ThomasSchwinge 11 місяців тому

    Great! Just fixed my ~25 years old Casio fx-85WA that way -- using my bulky hot air gun. ;-)

  • @buzzsah
    @buzzsah 2 роки тому

    Good fix.

  • @0zebede
    @0zebede 2 роки тому +1

    Thank you

  • @Dallas-Rife-UDX-347-Tennessee
    @Dallas-Rife-UDX-347-Tennessee 2 роки тому

    Very crafty . 👍

  • @kevinpalmer4137
    @kevinpalmer4137 Рік тому

    Very cool, thank you

  • @DonDegidio
    @DonDegidio 2 роки тому

    Hi Rob,
    Nice repair. Glad you were able to fix the problem. You and the family stay safe. 73 WJ3U

  • @dtyne67
    @dtyne67 Рік тому

    I just found 2 Casio CQ-82 alarm clock calculators. Boxed & probably never used. I stuck 2 batteries in but the displays are very faded. Is there a way to repair or replace them? They look ultra retro cool & I'd happily give one to someone who could fix one up for me.

  • @user-cs6mv8wu6s
    @user-cs6mv8wu6s Місяць тому

    Thanks a lot !

  • @karlacarvajal2254
    @karlacarvajal2254 2 роки тому

    Y si le compro una pila nueva a mi calculadora vieja podría funcionar de nuevo ? Es que se le ven los números borrosos

  • @vijay00001
    @vijay00001 Рік тому

    Do you have any fix available for broken or damaged ribbon

  • @victorb22622
    @victorb22622 Рік тому

    Sir, my yaesu ft441e lcd working stop after opening the rig 5o repair ffv,is there any clue to repair

  • @hadibq
    @hadibq 2 роки тому

    Nice, TY!🙂👍

  • @queen-nr9ge
    @queen-nr9ge Місяць тому

    Hello, can you help me fix my fr-265rc calculator?

  • @daRich_X
    @daRich_X Рік тому

    pretty cool actually

  • @erolllanes8361
    @erolllanes8361 Рік тому

    how to fix same problem in casio fx100ms?thanks

  • @skywalker165
    @skywalker165 Рік тому

    Simple & excellent solution, I think I also give a try to my Texas Instrument Calculator :) TI-36X Solar

    • @AmmoBops
      @AmmoBops Рік тому

      Lol mine just went out as well (for the left segment on the first digit(most very right side digit)
      I was looking to buy a new one and then had a thought that maybe this was a common issue with an easy fix
      And so I went to UA-cam, and wallah

    • @AmmoBops
      @AmmoBops Рік тому

      Pls let me know if it worked

  • @peddersoldchap
    @peddersoldchap 4 місяці тому +2

    2:01 Is this 250º Celsius or Fahrenheit?

  • @landscapeholography
    @landscapeholography Рік тому

    Thanks!

    • @SevenFortyOne
      @SevenFortyOne  Рік тому

      Thank you!!!! Glad you found value in this

  • @romina7386
    @romina7386 Рік тому

    Le apliqué calor y toco esa parte que mostró pero no se arregla.
    Es solo el primer numero que se ve cortado, los demas que ingreso están

  • @saurobaietta1885
    @saurobaietta1885 2 роки тому +1

    I think I've the same problem with my Casio 850 P and with a CASIO Z-1
    I hope to be able to repair it: any supplemental advice before making a wrong step?

    • @SevenFortyOne
      @SevenFortyOne  2 роки тому

      Go slow and be careful...the plastic in these things are brittle and can crack easily

  • @homerlovedonuts
    @homerlovedonuts 2 роки тому

    i have a similar problem. but on a digital caliper

  • @theboyofjoyy
    @theboyofjoyy Місяць тому +1

    great video man! did you find any way to fix the other one? god I dropped mine too

    • @SevenFortyOne
      @SevenFortyOne  Місяць тому

      Sadly no...I kept it for parts though

  • @bunnyjackson5341
    @bunnyjackson5341 5 місяців тому

    Please help. The screen of my calculator shows inverted numbers

  • @watawatatag
    @watawatatag 10 місяців тому +1

    What is the name of the tool you used? Is it a soldering iron, but you’re only using the hot air and not making any contact with the components? If I don’t have one, would a hairdryer work?

    • @SevenFortyOne
      @SevenFortyOne  10 місяців тому +3

      It's called a hot air rework station. A har dryer probably won't get hot enough. But a hot air tool you can buy at a hardware store or maybe harbor freight might...I'm not sure

  • @Caguidance
    @Caguidance 2 роки тому

    How to fix Casio dj 120 d
    After replacing a battery
    It works for few minutes
    After that doesn't getting on.
    I don't knw how to fix this
    Hope you reply soon.

  • @nickfatsis9607
    @nickfatsis9607 29 днів тому

    Does anyone know what the correct name for that ribbon cable is called, I have a damaged unit that needs a new cable, I can't seem to search for it because I don't know what it's called.

  • @ak56223
    @ak56223 10 місяців тому

    Can i replace th LCD screen? as mine is showing darker color

  • @DevilsHandyman
    @DevilsHandyman Рік тому

    You erased your problems! I have to do something similar to an HP41C calculator that developed an issue with two segments during shipping.

  • @patriciamwikali-co1le
    @patriciamwikali-co1le 14 днів тому

    What is the tool and what other thing can you use

  • @thearmchairgm7308
    @thearmchairgm7308 8 місяців тому

    Firstly, thanks for the video. However, I'll let you know if that if you use a potato laptop, the 720p60 is unplayable. UA-cam has, I believe, stopped distributing 720p30 videos where 720p60 is available. There are firefox add-ons that occasionally work, but they're unreliable. Since we're talking about reviving old hardware I figured I'd let you know (and yes, I realize it's 2 years ago but whatever).

    • @SevenFortyOne
      @SevenFortyOne  8 місяців тому

      You can change the playback resolution in your browser

    • @thearmchairgm7308
      @thearmchairgm7308 8 місяців тому

      @@SevenFortyOne Do you mean by clicking the gearwheel? If so, it doesn't have 720p30 as an option if 720p60 exists, and sometimes 480 (or even 360 if 480 is not present, which happens) doesn't have the appropriate resolution for certain videos. However, if firefox has a way to default to 720p30 on youtube that would be awesome... I _assume_ you mean the first thing, though.

    • @JohnHoranzy
      @JohnHoranzy 7 місяців тому

      Which O/S are you using on such an old computer? Am still using Win 7 offline on some of my museum pieces.

    • @SevenFortyOne
      @SevenFortyOne  7 місяців тому +1

      @@JohnHoranzy I don't remember what computer I showed in this video but maybe Linux...I have that on a few of my old machines

  • @RanDom-pl7fx
    @RanDom-pl7fx 2 роки тому +2

    250 degrees what C or F?

    • @angelom.9818
      @angelom.9818 2 роки тому +2

      Take a look at 1:50. 241°F

    • @RanDom-pl7fx
      @RanDom-pl7fx 2 роки тому +1

      @@angelom.9818 Thnx, I blinked too long

  • @gamingwithanascr7
    @gamingwithanascr7 Рік тому

    But the equipment no

  • @mdoalidrhamanrhaman7091
    @mdoalidrhamanrhaman7091 2 роки тому

    Tanazs