Flash Gordon
Bally, 1981You're currently viewing posts by Pinsider barakandl.
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$25
http://www.arcadeshop.com/i/1487/tms5200nl-speech-synthesizer-chip.htm
$100 for 10pcs if you are willing to do the aliexpress gamble.
https://www.aliexpress.com/item/32987984465.html
C15 looks original and the original ones are almost always failed. The three diodes below it get quite warm which cooks that capacitor.
Quoted from Joydivision:And a lessor known source - love the nice quote on quality from their description!
"The current batch is from September 1981 and was stored in an air-conditioned warehouse and each bar is individually sealed with dehumidifying granules in ESD bags. These TMS5200NL come in the best quality we've ever had from these ICs"
https://coinop.mally.eu/produkt.php?bestellnr=102650&details=1
I think the extra description is because all of these TMS5200 chips where made in a crap way where the legs corrode over time to the point they turn into dust. TI, Fairchild and probably some others get this fail mode from their chips made in the early 80s. Someone mentioned silver was the cause but I am not really sure.
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Marion, MA