(Topic ID: 308516)

Gottlieb Excalibur strident background sound

By solo14

2 years ago



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You

Linked Games

#1 2 years ago

Hi everyone,

I recently purchased an Excalibur pinball.

It works fine except sound.
At switch on, there is a loud strident background sound that generally disappears when enabling the first player.
Voltages look good.
I replaced the 2 RAMs on the sound board but with no luck.
I will try to have fresh reprogrammed ROMs for the sound board.

Here it is the trouble on this video.

Does anybody already faced that trouble? Any idea?

Thanks in advance for your help.

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