Topic: Starting Arcade repairs  (Read 1611 times)

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Offline questor

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Starting Arcade repairs
« on: January 07, 2013, 09:22:43 PM »
Having got my hands on a couple of non-working PCBs for a cheap price I want to start having a go at repairs....

The PCBs I have are:

Bootleg - Kung-Fu Master - (Non-Jamma so 1st task is building a connector) - I can see its missing 2 XTALS already and a number of the ceramic capacitors are either missing or damaged so plenty of obvious work to keep me going.

Original - SNK TNKIII - (Non-Jamma) - Missing 1 XTAL - nothing else noted so far.

I will document and create a repair log for each of these.

Offline porchy

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Re: Starting Arcade repairs
« Reply #1 on: January 10, 2013, 08:13:39 PM »
I shall keep an eye on this. You will find that you enjoy fixing them more than playing them

Offline questor

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Re: Starting Arcade repairs
« Reply #2 on: January 12, 2013, 11:10:31 PM »
LOL - I suspect that might be the case !

I now have 6 boards to work my way through... nothing too exciting or rare - but a bootleg Galaxians is probably going to be 1st on the bench as its the simplest architecture - without even looking I suspect the 2114 RAM chips will need investigating.

Gradually assembling all the parts into one place (Scope, Meter, Supergun, etc.) along with my solder/de-solder station and parts boxes.

Just waiting on some edge connectors to arrive so I can make up some test harnesses for the non-jamma stuff.

Offline Womble

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Re: Starting Arcade repairs
« Reply #3 on: January 13, 2013, 07:47:52 AM »
Run while you can, it's a long term addiction, am in my 5th year and the therapy isn't working, am still addicted!
Sic Transit Gloria Atari

Offline Elgen

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Re: Starting Arcade repairs
« Reply #4 on: January 13, 2013, 02:56:13 PM »
Having a child once in a while, will put the repairing on hold for some time...but if you've just once felt the rush of a board coming to live, the itching will soon come crawling back...rest assured };-P
Once a repper...

Offline questor

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Re: Starting Arcade repairs
« Reply #5 on: January 14, 2013, 11:41:45 AM »
Just acquired Capcom Gun Smoke as a non-worker...... I suspect the seller has connected it directly to JAMMA.... what are the chances of it being fixable given that -5v and +12v would have been sent to the video circuits....(IE is it worth me making a harness or is it going to my donor pile).


Offline porchy

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Re: Starting Arcade repairs
« Reply #6 on: January 14, 2013, 04:00:53 PM »
If its original then I would try to save it. If bootleg then scrap pile that mofo

Offline MrTrev

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Re: Starting Arcade repairs
« Reply #7 on: January 18, 2013, 09:35:47 PM »
Run while you can, it's a long term addiction, am in my 5th year and the therapy isn't working, am still addicted!

Ha ha haaa, like it! Made me chuckle ;D

Offline questor

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Re: Starting Arcade repairs
« Reply #8 on: January 21, 2013, 02:53:57 PM »
To late to run and I have now passed the two tests on the path to enlightenment  ;D

I have released the magic smoke of power and suffered the pain of an overheating audio amp on my finger.