Well, another night of Street Fighter II repair and feel like we're almost there.
Fuses are in place and match. Game plays as it should, but no life whatsoever in the DMD.
Friends are over and we've tested the SFII DMD in my Freddy machine. DMD works. Tested the DMD driver board in Freddy and it also works. When we tested the Street Fighter DMD driver board in Freddy, the Freddy game played with SFII images and prompts. Can safely say the DMD driver board is working.
Tested Auxilliary power supply in Freddy and it works and also tested the power supply board ant it works.
Finally tested CPU board in Freddy and Freddy worked.
Tested DMD driver board, auxilliary power supply, power supply board and CPU board in SFII and still the DMD did not illuminate at all.
Not sure where to go to from here. Apprehensive about putting the sound boards from SFII in Freddy in case we fry something.
Also transferred all ribbon cables to Freddy machine and it worked as normal. SFII DMD still wouldn't work with the Freddy ribbon cables.
Need to know the voltages for each pin on the DMD panel and trace them back. Does anyone know the voltage for each pin?
Summary for the night:
Tested in Freddy (from SFII)
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DMD Controller (A8) - working
CPU (A1) - working
Auxilliary Power Supply (A5) - working
Power Supply (A2) - working
All ribbon cables - working
Dot Matrix Display - working
Not tested in Freddy (from SFII)
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Aux Sound Board (A20)
Sound Board (A6)
Driver Board (A3)
Thanks,
Adam.
