Put and end to Game Resets
- From: "Ed" <efaerman@xxxxxxxxx>
- Date: 31 Jul 2005 14:38:45 -0700
OK, this may not stop ALL resets, but it will permanently stop resets
due to low voltage. This seems to be the most common issue and
typically happens when both flippers are pressed.
If you are having this problem, you can do a simple mod to your game.
Purchase a 5 volt switching power supply that has an output of 8 to 10
amps. These are available for about 5 bucks at Jameco.com. They will
provide stable 5v DC with an AC supply as low as about 93 volts input.
You can tap ac power from the power main power supply (before the
game's transformer but after the power switch. You tap in the 5 volts
at connector J114 on the driver board. Simply cut the two middle (of
the six) wires. This is where the 5v leaves the board and goes to the
MPU and dot matrix controller. You can leave the new power supply in
the bottom of the cabinet.
I am not sure why this is not a popular mod. I am no electrical guru,
so I can't possibly be the first to think of this. No, I do not want
to offer kits, but will be happy to provide more info if there is
general interest. This upgrade is solid and will allow you to play
your games through the summer months when the voltage seems to drop.
Ed Faerman
.
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