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December 20, 2014, 09:28:05 AM
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Author Topic: Famicom AC-Adapter and General Power F.A.Q.  (Read 50278 times)
Lorfarius
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« Reply #165 on: August 30, 2014, 09:57:37 PM »

I've just bought an AV Famicom and terrified of blowing it up!  I'm in the UK and have a Universal adaptor, it has this on the label and I've set it to 9V:



Will it be okay?
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« Reply #166 on: August 31, 2014, 07:59:25 AM »

PRI is the same as input and SEC is same as output. The symbol that looks like a line with three dots under means DC so that's good. What is it that you don't understand about the FAQ? You'll have to check polarity of that adapter too.

Since it doesn't say anything about polarity I suspect it's one of those were you can switch polarity yourself by turning the plug.
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Lorfarius
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« Reply #167 on: August 31, 2014, 10:18:40 AM »

It was more a fear of "it looks okay but..." the end of the plug has changeable pins with the +/- option printed on the plastic of the barrel.  There's no other switches or buttons to change anything else.
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iStreet
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« Reply #168 on: August 31, 2014, 10:23:17 AM »

It was more a fear of "it looks okay but..." the end of the plug has changeable pins with the +/- option printed on the plastic of the barrel.  There's no other switches or buttons to change anything else.
Please, save your self, and be sure..

http://www.ebay.com/itm/Famicom-HVC-002-Power-Adapter-AC-DC-Super-Famicom-Japanese-Official-Nintendo-/141387405070?pt=US_Video_Game_Controllers&hash=item20eb58970e

Get this one Smiley
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Lorfarius
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« Reply #169 on: August 31, 2014, 12:17:08 PM »

I'm in the UK so I'd need another plug to convert that to work! I could get a Mega Drive/Genesis one but those are about $20 and I have the one pictured which I was hoping would save me some cash.
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« Reply #170 on: August 31, 2014, 09:19:00 PM »

If everyone just posted "Just to be sure, is this adapter OK?"-questions all the time the FAQ would be pointless. A few such questions is good as examples for others to read, but I think they are starting to pile up now.

I can say that your adapter is good to make you feel at ease but I probably don't know more about it than you do so it's just false safety, it's better to make sure that it works yourself. The best way is to check it with a multi-meter, you can check that it really outputs 9V and that the polarity is correct. You can google how to do it, it's super easy really.

About polarity, the AV Famicom needs center negative so make sure you (or someone else) don't put the plug the wrong way. And finally, yes that adapter looks fine to me.
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UglyJoe
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« Reply #171 on: September 01, 2014, 04:20:57 AM »

If everyone just posted "Just to be sure, is this adapter OK?"-questions all the time the FAQ would be pointless. A few such questions is good as examples for others to read, but I think they are starting to pile up now.

I like to think that for every "will this adapter work?" post, there are two or three people for whom the FAQ was adequate and didn't end up making a post about it.  You know?  I think that without this FAQ, there would be even more posts like that.

And I'm not saying this to knock people who ask questions -- you're better off asking than blowing up a Famicom.
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« Reply #172 on: September 02, 2014, 03:34:53 AM »

You are probably right about that. Or maybe even worse, without this FAQ more people might blow up their Famicoms.
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Lorfarius
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« Reply #173 on: September 05, 2014, 06:31:42 PM »

PRI is the same as input and SEC is same as output. The symbol that looks like a line with three dots under means DC so that's good. What is it that you don't understand about the FAQ? You'll have to check polarity of that adapter too.

Since it doesn't say anything about polarity I suspect it's one of those were you can switch polarity yourself by turning the plug.

The FAQ doesn't mention the AV Famicom just the Fami so not sure if the same applies.  The plug I have comes with several different adaptors for the tip and each side has different markings so one is  - o) + and the other is - (o+ there doesn't appear to be any other switches or places to set polarity. I think that's done by the way you insert the tip attachment.

I'm being cautious because the system has cost me over $100 which I can't afford to lose on the off chance I've made a mistake.
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« Reply #174 on: October 09, 2014, 01:25:59 PM »

Hello there, sorry for another "will this work" question, but i want to be sure Smiley




Okay, it seems to be center positive. Is there any was change it with conector or something?
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« Reply #175 on: October 15, 2014, 09:09:38 PM »

Hello there, sorry for another "will this work" question, but i want to be sure Smiley




Okay, it seems to be center positive. Is there any was change it with conector or something?

Sorry, but no....

And it won't work on Twin Famicom, either, because of 9V DC output. The Twin Famicom needs a 7.5 or 7.6 DC output. And the Twin Famicom's amp needs to be at least 1.25A.
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« Reply #176 on: October 15, 2014, 09:18:29 PM »

You can change the polarity,it's very easy.

I've made a quite a few ac adapters that way.
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