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Which donor LCD display for HP48gx ?
09-04-2024, 02:11 PM
Post: #1
Which donor LCD display for HP48gx ?
I've seen folks say they've used an HP39g or HP49g LCD as a donor for the HP48GX. How about the HP39gs? Is that one compatible? Thanks.
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09-04-2024, 02:24 PM
Post: #2
RE: Which donor LCD display for HP48gx ?
That question was answered one minute later here :-)

https://www.hpmuseum.org/forum/thread-22...#pid191256
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09-10-2024, 12:20 PM
Post: #3
RE: Which donor LCD display for HP48gx ?
All Saturn based calcs will work - 39gs and 40gs are Arm based and won't work.

Are you looking for a black display? I am asking, because I have some HP48 displays stored for spare parts. I can send you one free of charge.

Many HP49 are listed on ebay for a small price, but prices are increasing.

You can search for an HP48 with keyboard error at a low price.

Do you have some experience with display exchange? It is a bit tricky :-)

Ralf

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09-13-2024, 03:07 PM (This post was last modified: 09-13-2024 03:11 PM by Hiwi.)
Post: #4
RE: Which donor LCD display for HP48gx ?
Hi,
i have sent a PN with some instructions to open the calc 'chemical' without force and replace the display.
Here is my HP48SX (made in USA) with a 49G black display.
The old display had a very poor contrast and the calc had the common keyboard issue.
My newer HP48G has a blue display but with good contrast, so i decided not to change the display and repair only the keyboard problem and upgraded to 768K (5 port) RAM.

5 ports are enough, believe me.

Happy programming
Ralf

   

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