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Old 05-20-2011, 04:12 PM
 
Location: Maryland
408 posts, read 638,425 times
Reputation: 484

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I got a laptop that doesn't recognize when the a/c adapter is plugged in... I'm certain there is a broken circuit somewhere, right? Sure enough when I took the laptop apart I look inside @ the board and see the metal to metal connection is eroded. Anyone in here ever DIY an issue like this with any electronics before, and were the results effective or did it work for a few days then went out again
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Old 05-20-2011, 05:52 PM
 
Location: Wicker Park, Chicago
4,791 posts, read 13,341,148 times
Reputation: 1945
I have oldschool arcade video games like Stargate Defender and Defender. I bought spare internal circuit boards for these games, some working and some that need fixing. I had one bad board that I found a nicked trace in the circuit - I fixed this with a circuit trace pen from Radioshack to complete the circuit line. Fixed one problem with the board.
If these circuit boards go bad I have a 16 channel logic analyzer to analyze the TTL chips. But I never tried that yet. That's part of the hobby of maintaining arcade games.

Last edited by Jesse69; 05-20-2011 at 07:07 PM..
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Old 05-20-2011, 06:46 PM
 
10,758 posts, read 18,043,161 times
Reputation: 10249
That's a common problem with laptop power jacks, poor or broken solder joints on the motherboard, if the jack isn't broken you can usually clean it up and resolder.
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Old 05-20-2011, 08:12 PM
 
Location: 10110001010110100
6,387 posts, read 10,860,749 times
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I'd have to agree with Dave -assuming- the AC adapter itself is not kaput.

Quote:
Originally Posted by NHDave View Post
That's a common problem with laptop power jacks, poor or broken solder joints on the motherboard, if the jack isn't broken you can usually clean it up and resolder.
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