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General NLG Chat => The Slot Shop **Tech Talk** => Topic started by: pinballmike49 on July 27, 2009, 09:08:38 PM



Title: Bally Gamemaker - monitor problem
Post by: pinballmike49 on July 27, 2009, 09:08:38 PM
I'm working on a Bally 17 inch gamemaker. Have a problem with slight vertical shake in the picture. Tried to make numerous adjustments in the top switch panel with negative results. Any ideas without installing a new LCD ? thanks Mike.


Title: Re: Bally Gamemaker - monitor problem
Post by: Slotmaster on July 27, 2009, 10:35:48 PM
This is common problem ususally caused either by a cap or / resistor / IC going bad.

Usually caps, but the shake can be something more on the ballys just from exp.




Title: Re: Bally Gamemaker - monitor problem
Post by: pinballmike49 on July 27, 2009, 11:22:06 PM
Slotmaster thanks for the info. Might just spend the 6 bills and get the upgrade from Happ for the LCD. I just got the machine at a dirt cheap price and its super clean.


Title: Re: Bally Gamemaker - monitor problem
Post by: tacman on July 27, 2009, 11:29:30 PM
Oh quit bragging!  :96- Actually if you let them know what you got and how much it was, there would be plenty that would envy you!!  :89-

 Dan (tacman)


Title: Re: Bally Gamemaker - monitor problem
Post by: pinballmike49 on July 28, 2009, 12:19:46 AM
Dan, I must say the chrome and case did look nice.


Title: Re: Bally Gamemaker - monitor problem
Post by: a69mopar on July 28, 2009, 12:35:46 AM
I'm glad to hear you picked it up Mike.  Sounds like you're just looking for an excuse to upgrade it to an lcd.

Thanks,
Wayne


Title: Re: Bally Gamemaker - monitor problem
Post by: fiddlefarter on August 16, 2009, 11:59:02 PM
I'm working on a Bally 17 inch gamemaker. Have a problem with slight vertical shake in the picture. Tried to make numerous adjustments in the top switch panel with negative results. Any ideas without installing a new LCD ? thanks Mike.


I have posted repair tips (monitor repairs) if you want to try and fix the problem yourself
Regards Sharron


Title: Re: Bally Gamemaker - monitor problem
Post by: simeon on August 17, 2009, 07:11:17 PM
cable hum pickup
check harnes placements for ht near stuff

and main psu bridge rectifer !!!!  for leeks