(Topic ID: 269063)

Tech: Gottlieb system 80b sounds fade in-out/speech ok

By pinballplusMN

3 years ago



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#1 3 years ago

Hello,

Working on a Bone Busters. Ground mods done .plays great. Sometimes general game sounds and bg sound fades out slowly then returns. Speech is always ok and maintains normal volume.Wondering if anyone has ideas. Has new cap on power brick , new power supply, new fuse holders etc. Thanks in advance!.

#2 3 years ago

Actually fades?
BB has two sound boards. The less populated board is there to field only one sound signal IIRC.
I think I’d look at the amp board first though.

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