Star Trek
Bally, 1979Help needed: I've got a Bally ST on route and on occasion the machine credit window shows credits magically appearing. I was cleaning it and it kept going until I turned it off. It was up to 15 then. I restarted the machine and didn't hear from the owner until today. It's giving out free games again. Any ideas on what to check? It has replacement alltec boards (mpu, solenoid driver, lamp) along with a rebuilt power supply board. Thanks for your help!
Yes, it was always set to Star trek. I've had it in my home for the past 2 years, but it has been in a laundromat for the past month with decent play. I was wondering if a closed switch might cause this issue. I just got through adjusting the sling shot switches as they were a bit too close causing a rapid fire sling. So far, no problems since the adjustment. Maybe it's unrelated.
Have to assume the game is achieving in game award and racking credits up. I think there is a few ways to get specials on the PF and they might let you keep doing it. A stuck switch or bad switch cap could be rapidly closing a switch. I forget exactly how this one plays right now.
Try setting dip 23 off(i think that will limit to one special per game)and look for switch problems.
if you set dip 14&15 to off. That should be the overall "novelty" setting and give no specials.
Quoted from ksmmspt:I was cleaning it and it kept going until I turned it off.
What does this mean?
To dothedoo: As I was cleaning the playfield and targets, the machine starting racking up credits in the credit display as if I was pushing a service credits button. The credit sound was accompanying the increase in credits until I turned off the machine.
Barakandl: I actually have the game settings to award an extra ball for any special achieved as well as for certain score achievements. The only way to win a free game is by match or when beating the high score to date.
I'm going to go through and clean each switch and see if that helps. It can't hurt.
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