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**Reel Slots** Gaming Machines => Bally Alpha Reel Games => Topic started by: rwalker192 on December 19, 2015, 11:23:43 AM

Title: 7 Segment Displays Disconnected
Post by: rwalker192 on December 19, 2015, 11:23:43 AM

I have a Bally Alpha that I'm getting 7 Segment LED's disconnected. I replaced the cable from the board to the LED's. I removed a working display and installed it and still the same problem. I even swapped the board with a working one to no avail. If I take the non working board and put in a working machine I get the same error. So I have a bad display, but why when I put a working display in this machine do I  still get the same error?
 :Scratch-Head:
 

Title: Re: 7 Segment Displays Disconnected
Post by: BiggerHammer on December 19, 2015, 03:47:27 PM

Are you doing a clear everytime that you swap out one of these devices?

Title: Re: 7 Segment Displays Disconnected
Post by: rwalker192 on December 19, 2015, 05:22:55 PM

 :EmoticonHelp4: :duh:
I just took another try at it. I took the working display and installed in the machine. I did a clear and same problem. The green light on the display blinks slowly not the normal quick blink. The green light on the board will
come on for about 5 seconds and then it goes out. Took the board back out and installed in the original machine and it works great. I metered out the wire harnesses and all is good. is there any way this could be caused by the back plain??
I'm about out of ideas!!

Title: Re: 7 Segment Displays Disconnected
Post by: rwalker192 on December 20, 2015, 07:20:09 AM

I turned the machine on this morning and now I have this on the led's
I searched the archives and found nothing.

Title: Re: 7 Segment Displays Disconnected
Post by: rwalker192 on December 29, 2015, 08:14:45 PM

Turns out the led boards on the sides of the reels were shorted. Replaced the display and two side boards and all works great.