- Joined: 13 May 2017
- Posts: 3
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sms power supply
 Posted: Sat May 13, 2017 11:49 pm
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I just bought a model 3010-A master system. Although it came with a power supply, it's not an original sega ps, but a generic one with a rating of 10v 1200ma. How tolerant is the sms of over voltage - can I safely use this ps or is the extra volt enough to fry my system?
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- Site Admin
- Joined: 19 Oct 1999
- Posts: 14744
- Location: London
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Posted: Sun May 14, 2017 7:29 am
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- Joined: 30 Jan 2007
- Posts: 314
- Location: San Jose, CA
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Posted: Sun May 14, 2017 11:18 pm
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Make sure it's the correct polarity though, the SMS only uses a tip negative PSU, not the more common tip positive.
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- Joined: 13 May 2017
- Posts: 3
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Posted: Mon May 15, 2017 1:45 am
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Yes, already checked that. Was only worried because I know that with some systems, like the commodore 64, certain chips will get fried if you go even half a volt over.
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- Site Admin
- Joined: 19 Oct 1999
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- Location: London
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Posted: Mon May 15, 2017 6:23 am
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The voltage regulator takes the external voltage down to 5V, dumping the excess as heat. 9V or 10V just affects how warm it gets.
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