NeoStore Metal Slug 2 home cart PCB question

bitterblueben

New Challenger
Joined
May 25, 2003
Posts
52
I am looking at this picture of one of the boards from an AES homecart Metal Slug 2 (Japanese) on sale at the NeoStore at the moment. I am wondering what the whiteish marks are, located about half an inch above the left hand side hole?
 

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bitterblueben

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Joined
May 25, 2003
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Thank you sorry i’m such a noob! But what is ‘conformal coating’ is it some kind of lacquer applied to the PCB board?
 

Niko

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Joined
May 15, 2014
Posts
1,773
Thank you sorry i’m such a noob! But what is ‘conformal coating’ is it some kind of lacquer applied to the PCB board?

Yea its just a protective coating thats applied at the factory, it helps protect the PCBs from moisture and such.
 

bitterblueben

New Challenger
Joined
May 25, 2003
Posts
52
thanks everyone i never knew about this conformal coating ‘protective layer on the boards’ but now i do i feel re-assured😊

Learn something new every day!
 
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