Powering Up the System

Hey, making some projects from my book? Got a question about something? Wanna share what you've done? Here's the place - go for it!

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PK-421
Posts: 3
Joined: Fri Aug 25, 2006 1:40 pm
Location: Pittsburgh PA

Powering Up the System

Post by PK-421 »

I have everything hooked up on my portable NES but when I insert the battery pack it gets very hot very quickly. it melted some of the solder of the positive and negative wires on the phono jack. Any idea what to check?
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blackbox_dev
Senior Member
Posts: 1906
Joined: Sun Jan 15, 2006 5:19 pm
Location: Formerly known as iam7805

Post by blackbox_dev »

Either there's a short somewhere, or you have reverse polarity (+ and - mixed up). Those are the first two things that come to mind.
I'd imagine right now you wish you were a cuttlefish...
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PK-421
Posts: 3
Joined: Fri Aug 25, 2006 1:40 pm
Location: Pittsburgh PA

Well that's ironic

Post by PK-421 »

I took apart my NES mobile and found that I had mistakenly soldered the ground and Unregulated power pins on the 7805 regulator together. Thanks.
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