turns on . says no credits , insert coin. coin switch tests good, doesnt coin up. coin lock out doesnt energize. battery was changed. no error messages, doesnt say door open when opened. cabinet looks like it had a handle. jackpot switch has a top and bottom switch. bottom switch bad, jumping it did nothing. i know nothing about these. is there a reset procedure? a chip? chips on board say 1986 and 1988. any and all advice welcome. pics to follow, it choked when i tried to load, even though i shrunk them. plate says model 611, 1981.