Mortal Kombat 2

mrazy1

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I have a MOrtal Kombat 2 with no sound. It will play without sound. Does anyone think its the sound board? I do not have another board to block test the system. Just wondering if anyone else has had a similar problem and got a fix for it?

Thanks
 
Thank you Mecha187. The game was working fine for months. But now no sound. Thinking its the DAC's because I have no sound at all and red light is on. But I have a schematic and I have read some of your post here so will run it down. But I have to print off the schematic. To hard to run it down just looking on a screen. Can do it with the chassis's and power supplies but not the logic boards. May post some more about this next week. Thanks for your comments.
 
does it make any sound at all? i have 1 board that's been giving me some issues for quite some time (all i get is some faint skreeching). there's a good thread by action76 also which discusses a lot of different things that might be of interest to you.
 
does it make any sound at all? i have 1 board that's been giving me some issues for quite some time (all i get is some faint skreeching). there's a good thread by action76 also which discusses a lot of different things that might be of interest to you.

I had some skreeching on this same game a few months back. I checked my power supply for A/C on the 12v line and had to much so I switched out the power supply. I recapped the other and I need to see if that will work now.
 
DC, not AC. only things in a video game that runs off AC are the power supply itself, a monitor and a marquee light fixture lol. all voltages that are produced by the power supply will be DC.
 
AC in a DC line = Bad Caps or Shorted Rectifier :p

but you should always have 0v AC on a DC power.
 
AC in a DC line = Bad Caps or Shorted Rectifier :p

but you should always have 0v AC on a DC power.

Well This is true to a point. But If you test your power supplies DC outputs you will find 0 A/C on the 5 and -5 volt lines and a small varying A/C voltage on the 12 volt line. The 12 volt line is used for gain in transistors and power on other computer part.
 
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