Tuneful keyboard

Tatung Hardware talk TC01 & 256.
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arcadesy
Posts: 75
Joined: Sun Feb 07, 2021 5:41 pm

Tuneful keyboard

Post by arcadesy » Thu Sep 23, 2021 9:46 am

I've noticed on some of my Einsteins that when pressing keys it will produce varying tones through the speaker depending on which key is pressed.

I know that the sound and keyboard are both handled by the AY-3-8910 but honestly so far I've done zero investigation, just wondered if anyone else had seen or fixed this?

Bad AY chip? Dodgy caps? No idea :lol:
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Lardo Boffin
Posts: 296
Joined: Thu Oct 24, 2019 11:47 am

Re: Tuneful keyboard

Post by Lardo Boffin » Thu Sep 23, 2021 10:22 am

Mine does that on one of them. It has been fully recapped and had a new AY chip as mine was dodgy. It still does it.

It makes different noises if I press and hold a key.
TC-01 + einSDein + TM-01 + TK-02 + gotek

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