MAMEWorld Central >> Hardware
Previous thread Previous  View all threads Index   Next thread Next   Flat Mode Flat  

Naoki
Reged: 11/10/09
Posts: 1980
Loc: UK
Send PM
Re: Jamma connector question...
03/30/13 07:36 PM


> > Could a couple of you guys take a look at this:
> >
> > http://www.fileswap.com/folder/OanqCBzs/
> >
> > Looks like it shorted out and separated from the board?
> > Repairable? Or is the board probably dead? Just got it out of the cab tonight so I
> > still have to check the power on that. I know those 2 are for the 5V supplies. Any
> > suggestions would be appreciated.
> >
> > Thanks,
> > Bill
>
> Shorted really isn't the right term. Usually that happens from age and use, or from
> too much current being drawn off those pins, bad grounding, etc.
>
> IIRC (please verify this with a continuity test) The 4 pin power connector on that
> board (in the same image) are tied to the the JAMMA pins. That connector is rated to
> 8 amps, so you should be OK to leave the pin as-is, as long as the 4 pin is connected
> as a POWER INPUT in conjunction with the JAMMA harness to a power supply. Power the
> hard drive from the power supply directly. Powering it right off the board could have
> been a contributory factor to the pin issue.
>
>
> There are only two repairs you can do to the PCB. Foil trace tape/retracing, or
> soldering a secondary connector to that trace at a through-hole point.
>
> The first option NEVER works right, the new trace always peels up. The second option
> is your best bet.

I can confirm this works. I was playing Gauntlet that same way.


----
On a quest for Digital 573 and Dancing Stage EuroMix 2







Entire thread
Subject Posted by Posted on
* Jamma connector question... Bad A Billy 03/29/13 05:05 AM
. * Re: Okay, next round.... Bad A Billy  04/03/13 04:08 AM
. * Re: Okay, next round.... italieAdministrator  04/03/13 04:20 AM
. * Re: Okay, next round.... SmitdoggAdministrator  04/03/13 05:17 PM
. * Re: Okay, next round.... Bad A Billy  04/04/13 05:36 AM
. * Re: Okay, next round.... SmitdoggAdministrator  04/04/13 06:05 AM
. * Re: Jamma connector question... SmitdoggAdministrator  03/30/13 11:37 PM
. * Re: Jamma connector question... italieAdministrator  03/30/13 04:02 PM
. * Re: Jamma connector question... Naoki  03/30/13 07:36 PM
. * Re: Jamma connector question... Naoki  03/29/13 03:33 PM

Extra information Permissions
Moderator:  Gatinho 
0 registered and 9 anonymous users are browsing this forum.
You cannot start new topics
You cannot reply to topics
HTML is enabled
UBBCode is enabled
Thread views: 2079