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
Tuneful keyboard
Tuneful keyboard
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https://twitter.com/arcadesy
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Re: Tuneful keyboard
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.
It makes different noises if I press and hold a key.
TC-01 + einSDein + TM-01 + TK-02 + gotek