Oric-1 Repair

If you want to ask questions about how the machine works, peculiar details, the differences between models, here it is !
How to program the oric hardware (VIA, FDC, ...) is also welcome.
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Vyper68
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Re: Oric-1 Repair

Post by Vyper68 » Mon May 20, 2019 6:03 pm

Well this is odd, The traces are all OK on the Main and Keyboard PCB...
Left shift does not work for < >
Right Shift does not work for ? * ) + |

So I will have to keep on this one to see if i can find out why. It's working which is the main thing.
Bazinga!

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mikeb
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Re: Oric-1 Repair

Post by mikeb » Mon May 20, 2019 6:08 pm

An odd combination of characters, they seem to be grouped physically (by proximity) rather than by organization in the row-column matrix (see the Service Manual .pdf).

Wait, you got a 10 key? What advanced model of Oric is this? :)

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iss
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Re: Oric-1 Repair

Post by iss » Mon May 20, 2019 6:15 pm

mikeb wrote:
Mon May 20, 2019 6:08 pm
Wait, you got a 10 key? What advanced model of Oric is this? :)
It's obvious '0' :D. Here is the matrix:
kbd.png
kbd.png (125.82 KiB) Viewed 233 times
The only suspects here are 6522, AY-3-8192 and 4051, maybe the TR2 too...

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iss
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Re: Oric-1 Repair

Post by iss » Mon May 20, 2019 6:16 pm

mikeb wrote:
Mon May 20, 2019 6:08 pm
Wait, you got a 10 key? What advanced model of Oric is this? :)
It's obvious '0' :D.
Here is the matrix and the keys are on the same row:
kbd.png
kbd.png (125.82 KiB) Viewed 230 times
The only suspects here are 6522, AY-3-8192 and 4051, maybe the TR2 too...

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Vyper68
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Re: Oric-1 Repair

Post by Vyper68 » Tue May 21, 2019 9:01 am

:D oops 10 Key LOL
Bazinga!

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mikeb
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Re: Oric-1 Repair

Post by mikeb » Tue May 21, 2019 6:14 pm

iss wrote:
Mon May 20, 2019 6:16 pm
Here is the matrix and the keys are on the same row:
They're not in the same row, hence my puzzled comment.

Original posting 7 failed keys: Right: "8 0 - =" and Left: " , . / "

By your picture (which is in a different (more logical order) compared to the service manual) :-

"8,0,/ and =" are in one row (7) aka " * ) ? +"
", ." are in another (4) aka "< >"
"-" is in a third. (3) aka "£"

And new addition "|" aka "\" (also row 3).

How is that the same row?

If it's the entire row, what about k/K, :/; and l/L etc? Do they work?

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Vyper68
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Re: Oric-1 Repair

Post by Vyper68 » Wed May 22, 2019 9:20 am

k/K l/L and ;/: work with both shift keys and also Ctrl works as well. It's not a big problem I can work around it, I am just pleased I got it working compared to when it arrived.
Bazinga!

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