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View topic - SMS II PAL-G AC polarity?

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  • Joined: 06 Jun 2019
  • Posts: 2
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SMS II PAL-G AC polarity?
Post Posted: Thu Jun 06, 2019 10:38 pm
So I have a SMS II 3006-18 model, it's rated at DC 9V/500mA, without the AC adapter.

It's probably a PAL-G (maybe B or B/G) European model.

I need a replacement adapter, but I don't know European (PAL B/G) AC polarity for this model.

Part number is 400-5126. Note that it's different from original SMS1 400-5048Y (that has 1 Amps).

Help me with polarity info?
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  • Joined: 08 Sep 2018
  • Posts: 178
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Post Posted: Fri Jun 07, 2019 1:19 pm
The best way to tell is to open it up and look at the board traces around the AC barrel. All you need to see is if ground is connected to the center pin or the outer leads then you'll know your polarity.
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  • Joined: 06 Jun 2019
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Post Posted: Sat Jun 08, 2019 1:46 am
IllusionOfMana wrote
The best way to tell is to open it up and look at the board traces around the AC barrel. All you need to see is if ground is connected to the center pin or the outer leads then you'll know your polarity.


I found 3008-18 adapter on Ebay, it's exactly for SMS2, and polarity is negative inside.
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