Re: Bubbles into Multi Williams (update) Screen still scrambling
- From: "Matt" <gamefixer@xxxxxxxxx>
- Date: Fri, 13 Jan 2006 23:53:55 -0700
The machine has the factory supply therefore no adjustment pot.
Larry, if in fact that extra wire is from the power supply and is one of the
many +5 wires it wouldn't hurt anything to add it to the kits board.
Backtrack the thing and make sure its coming from the same place that the
rest of the +5 wires are coming from before you hook it up though. Another
thing that couldn't hurt would be to add your own GND wire from the power
supply to the kits power connection.
If that fails, install a switcher into the cab. Those factory WMS power
supplies sucked from day one.
Matt
"Alpha1" <inboxNOSPAM@xxxxxxxxxxxxx> wrote in message
news:6eXxf.18225$5f4.16467@xxxxxxxxxxxxxxxxxxxxxxx
> Crank the voltage up slowly whilst the game is on until you get a 5.1
> volts reading from the game pcb.
>
> You will loose power through the harness and you really also need to set
> the voltage when the pcb is plugged in so it is 'under load'.
>
> That should cure your issue.
>
> Oliver
> "Larry G" <larrygeisler@xxxxxxxxxxxxxxxx> wrote in message
> news:1137155251.567520.289210@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> hello everyone..
>> Hopefully I am getting close on this conversion.
>> A great guy from the group (Matt Mac Donagh) sent me a new sound rom
>> for all the troubles I was having with the sound not working..
>> While I waiting for it to come I reflowed all the pins on the headers
>> on the power supply board and even changed one of the 15 pin headers
>> since I already had one.
>> Well I was getting 5.05 volts at all the connectors and I thought all
>> was going to be good.
>> Well after checking all the voltages again and plugging all the boards
>> back in I tried to power the game up. Well all looked good until I
>> checked voltages again. With everything plugged back in I am again only
>> getting 4.74 volts to all the boards!!!!
>> I did have sound finally but the screen is scrambling from time to time
>> and I didn't want to leave the power on to see if the sound would keep
>> working. So I powered down again and thought I would ask here.
>> I have an extra gray wire coming directly out of the power supply board
>> connector that was one that went to the original eight way optical
>> joystick that this game had (remember it was a Bubbles)..
>> It still reads 5.05 volts even with everything else plugged in and
>> working. Now should I try connecting the Multi Williams board directly
>> to that wire JUST to see if my screen jumbling problem goes away?
>> I am going to rebuild the power supply as soon as I get the parts in
>> and I am also going to change ALL the crapppy connectors that these
>> games had. I want to do this right but I thought if I could just try to
>> see if the 5.05 v directly to the game makes it work with no problems
>> then I would't feel so bad about spending more money on all the parts
>> for the rebuild...
>> Any help will be greatly appreciated....
>> Larry
>>
>
>
.
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