Author Topic: CFX-9850GB plus - Broken screen  (Read 7517 times)

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Offline Keoni29

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CFX-9850GB plus - Broken screen
« on: August 07, 2013, 09:17:06 am »
Got it for €4. The screen has 3 horizontal missing lines in it. How do I fix it?
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Offline Eiyeron

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Re: CFX-9850GB plus - Broken screen
« Reply #1 on: August 07, 2013, 09:20:03 am »
I remember guys repairng Game BOy with missing line by heating the (nappe?) sceen cable with a ironer. If you locate the good calbe, you could try heating it to make the contact again.

Offline Keoni29

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Re: CFX-9850GB plus - Broken screen
« Reply #2 on: August 07, 2013, 09:33:02 am »
So I tried reflowing some solder on the horizontal ribbon cable, but it did not affect it. Then I found out there was another cable going to the screen for the vertical lines. That must be it, but the way it is designed means I have to desolder the horizontal ribbon in order to get to the vertical one.
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Offline TIfanx1999

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Re: CFX-9850GB plus - Broken screen
« Reply #3 on: August 07, 2013, 09:35:23 am »
Yikes! That sounds a bit scary. I wonder why the made it that way... ???

Offline Keoni29

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Re: CFX-9850GB plus - Broken screen
« Reply #4 on: August 07, 2013, 09:36:14 am »
To scare me off. Lets get a needle and a soldering iron. Lets do this!
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Offline Keoni29

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Re: CFX-9850GB plus - Broken screen
« Reply #5 on: August 07, 2013, 09:50:00 am »
It was worth a try, but of course it was a gamble. Because of the horrible way they designed the calculator the screen is not servicable. I could easily have fixed it otherwise. Two ribbon cables and in order to get to the vertical one I had to desolder the horizontal one which did not end well.
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Offline TIfanx1999

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Re: CFX-9850GB plus - Broken screen
« Reply #6 on: August 07, 2013, 09:50:45 am »
That sucks. :/ Ah well. At least it wasn't too expensive.

Offline Eiyeron

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Re: CFX-9850GB plus - Broken screen
« Reply #7 on: August 07, 2013, 09:51:13 am »
OW.. I'm sorry for you.

Offline Keoni29

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Re: CFX-9850GB plus - Broken screen
« Reply #8 on: August 07, 2013, 09:52:49 am »
At least everyone knows that they should never buy a casio CFX-9850GB plus with horizontal missing lines.
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Offline Eiyeron

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Re: CFX-9850GB plus - Broken screen
« Reply #9 on: August 07, 2013, 09:53:26 am »
Or just cope with it.

Offline Sorunome

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Re: CFX-9850GB plus - Broken screen
« Reply #10 on: August 07, 2013, 09:53:58 am »
OUCH x.x
That sucks x.x

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Offline Keoni29

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Re: CFX-9850GB plus - Broken screen
« Reply #11 on: August 07, 2013, 09:54:04 am »
Lol. Well I would rather have a fully functional one in my collection.
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Offline Sorunome

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Re: CFX-9850GB plus - Broken screen
« Reply #12 on: August 07, 2013, 09:54:55 am »
What if you play snake and the 'apple' is right there where it can't be displayed :P

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Offline Keoni29

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Re: CFX-9850GB plus - Broken screen
« Reply #13 on: August 07, 2013, 09:58:39 am »
I'm gonna reuse the shell and keyboard and build something else in it probably
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Offline Eiyeron

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Re: CFX-9850GB plus - Broken screen
« Reply #14 on: August 07, 2013, 09:59:14 am »
Raspberry Pi case?