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lee o callaghan View Drop Down
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    Posted: 21 Jan 2023 at 7:38pm
hi guys i’m trying to fix an arcade board no booting up but making some strange noises i’m a newbie to board repair but the ls74s201s   get a bit hot is this normal ??
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sukhbir View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sukhbir Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 2023 at 7:49pm
That's a schotty logic which is power hungry but faster compared to the LS version of logic,they normally run warmer.
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lee o callaghan View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lee o callaghan Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 2023 at 8:30pm
thanks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bones Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 2023 at 8:36pm
   Yes these do get very hot, I've seen some boards where people diy a heatsink on to them, but probably not needed.
I need a chip marked C104 for a century electronics Hunchback PCB or a donor board with one on. Thought I'd got one sorted but it never materialised unfortunately
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