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Author Topic: Arcade power supply problem/fix  (Read 1468 times)

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Arcade power supply problem/fix
« on: August 30, 2008, 12:57:23 pm »
Morning all! It's been quite a while since I posted on this site, but I recently came into ownership of an arcade cabinet.  Found it free on craigslist, and it's a Street Fighter II conversion. =)  The 'seller', or I guess I should say 'giver' stated that the machine no longer powers up. 

I powered the machine on, and got absolutely no response what-so-ever. No noise, no 'whirr' of the monitor starting up, no fan in the power supply (if any), no crackle, nada.. So that means it's either a bad power supply, or a bad fuse.. but the problem is I don't know where to look for fuses. Does anyone have any suggestions?
my MAMEcab progress blog: http://www.lealmedia.com/mame/

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Re: Arcade power supply problem/fix
« Reply #1 on: August 30, 2008, 04:00:53 pm »
No one has any ideas?
my MAMEcab progress blog: http://www.lealmedia.com/mame/

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Re: Arcade power supply problem/fix
« Reply #2 on: August 30, 2008, 04:29:18 pm »
23 people have looked at this and nothing?
my MAMEcab progress blog: http://www.lealmedia.com/mame/

grantspain

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Re: Arcade power supply problem/fix
« Reply #3 on: August 30, 2008, 05:12:07 pm »
this is when you need a multimeter and  basic fault finding,you need to first check the mains input into the machine and in particular at the psu input
if your mains is present you can then progress to dc voltages,check your +5 and +12

the monitor will have some glow from the neck of the tube if its running

my take on this is that you have a fuse blown somewhere  on the mains input

this should take a few minutes with a multimeter to prove where the problem lies

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Re: Arcade power supply problem/fix
« Reply #4 on: August 30, 2008, 06:33:51 pm »
this is when you need a multimeter and  basic fault finding,you need to first check the mains input into the machine and in particular at the psu input
if your mains is present you can then progress to dc voltages,check your +5 and +12

the monitor will have some glow from the neck of the tube if its running

my take on this is that you have a fuse blown somewhere  on the mains input

this should take a few minutes with a multimeter to prove where the problem lies

Thanks grantspain, unfortunately I don't have a MM so I can't run those tests. The few people I have talked to mentioned it's most likely a blown fuse, but I can't seem to find *where* the fuse is located.  Even the previous owner said he couldn't find one.
my MAMEcab progress blog: http://www.lealmedia.com/mame/

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Re: Arcade power supply problem/fix
« Reply #5 on: August 30, 2008, 07:14:12 pm »
go and buy a multimeter,they are a few quid/dollars
i can talk you through the process,unless of course you want to guess whats wrong with it and end up causing more damage
i have repairing arcade machines for 22 years,i use my multimeter every day

are you really from the punjab?

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Re: Arcade power supply problem/fix
« Reply #6 on: August 30, 2008, 07:16:02 pm »
Ha ha, no I'm not. Its just a name I picked back in 1999 and I used it for a long time, but I use a different userID everywhere now, but I figured there was no reason to re-register here.

I'm from Texas.
my MAMEcab progress blog: http://www.lealmedia.com/mame/

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Re: Arcade power supply problem/fix
« Reply #7 on: August 30, 2008, 07:31:03 pm »
interesting name to use,anyways go to your local walmart thingy and get a multimeter,otherwise as we say in the u.k its like pissing in the wind

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Re: Arcade power supply problem/fix
« Reply #8 on: August 30, 2008, 07:37:10 pm »
OK cool, I'm going to walmart and/or radioshack and see how much I can spend.. (if the wife says its ok!)
my MAMEcab progress blog: http://www.lealmedia.com/mame/

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Re: Arcade power supply problem/fix
« Reply #9 on: August 30, 2008, 07:46:27 pm »
its gonna cost about $10,are you family originally from scotland ;D

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Re: Arcade power supply problem/fix
« Reply #10 on: August 30, 2008, 09:03:37 pm »
Well, I went and bought a multimeter and some 15amp fuses, but it was all for nothing.  Though I will keep the multimeter... I found (and fixed) the culprit.    Check out this thread:  http://forum.arcadecontrols.com/index.php?topic=83950.0
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Re: Arcade power supply problem/fix
« Reply #11 on: September 01, 2008, 08:29:43 am »
You gotta love Gordon Brown! lol.

Where abouts in the uk you from grantspain?