MV-1C player 2 buttons fixed...close plz !!!

Well ive tested today one MV-1C here and all second player buttons dosent works.....

Player one are fine but no life in player 2......ive tested all the tracks from the jamma to the "sequential resistors" everything is good....

Someone can help me to fix this problem plz ???

[]'Macck

EDIT

I dosent know wtf...but the buttons come back to life Dammit

Please some mod close this post !!!

Regards
Macck