60 in 1 Jamma board issues

[Rschoonm]

I have s MSPac man upright that has a 60-1 Jamma board its worked fine now seems to stay only in service mode on boot up has the colored checker styke board click service switch seems ti cycle through all the game dipsw settingvand volume etc
Will not go into play mode i tried a new board has same issue HELP

 

[thegreathopper]

Sounds,like your service button is jammed on, try disconnecting the wiring to the button.

 

[Rschoonm]

yea i got it working weird i hooked up a molex to power board and it was ok snd then hooked wiring back and it worked