Wild Western Question

Game_Girl

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I am hooking a switching power supply to a Wild Western and can't figure out what the master reset wire is for. I have it hooked up but just have garbage on the screen.

Any ideas??

Thanks!
 

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After scrolling through this thread quick I noticed one thing between you and Oryk. I laugh at how the conversation between the avatar point of view goes.

Man bending over in bikini asks the question "_ _ _ _ _ _" to whom Girl bending over in thong replies "_ _ _ _ _ _ " to which Man in bikini replies "you are good" and follows up with another statement with Man in bikini talking about his joystick. LOL
 
So did it work?
I noticed the arcade shop adaptor board has some diodes and resistors and such, I was curious if there was something more than just going to 5v needed for the white wire?
 
Another somewhat related question.
Do you have a big voltage drop across the filter board??
I'm having to turn the 5v up to 5.4v just to see 5v at the game PCB.

Anyone just connect a switcher direct to the PCB?
 
Connecting the sense line to the +5vdc did/does work. In fact, this particular machine is part of a friend's collection now and I just saw it up and running this past weekend.


The voltage drop across the filter board shouldn't happen, but these parts are 30 years old now. Thinks are going to get worn out over time. My guess is the connectors on the filter board are not holding a good connection and that is the source of your power drop.
 
Connecting the sense line to the +5vdc did/does work. In fact, this particular machine is part of a friend's collection now and I just saw it up and running this past weekend.


The voltage drop across the filter board shouldn't happen, but these parts are 30 years old now. Thinks are going to get worn out over time. My guess is the connectors on the filter board are not holding a good connection and that is the source of your power drop.

Thanks!
I just got done checking and it looks like the white wire goes through a transistor circuit on the filter board (NPN 2N3904). Should the PCB see +5v on the white wire at the board connection? Seems to me that the filter board circuit is stepping this down to about 0.172v (or my filter board transistor is bad). This appears to be the only "extra" circuit on the filter board, curious.
 
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I picked up 2 untested boards off EBay for $60 and both worked!
Looks like the filter board is doing what it is supposed to do.
I will say that the voltage at the PCB is 0.172 volts on the white wire.
The filter board does have some sort of step down circuit on that.
 
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