(Topic ID: 250872)

RFM/Pinball 2000 - No Sound Initially at Boot


By xedecimal

14 days ago



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You

Linked Games

#1 14 days ago

Hello!

I searched multiple combinations of keywords trying to find a solution to this and nothing I found has worked.

tl/dr: Every time I turn my RFM on and wait for it to boot, the sound will only work if I unplug and plug back in the audio cable on the front of the cpu in the back box. Video below.

I just brought my second RFM back from the dead by replacing the monitor. Before the machine functioned just as it should but with no picture. During the boot sequence you could hear the speaker “pop” when the amp powered up and then the “bong” sound when the sound was initiated during the boot/test sequence.

After replacing the monitor, the machine continued to work fine, except now with a picture! However yesterday I noticed that when it finished booting there was no pop, bong, or sound after the initial test sequence.

The first thing I did was unplug the speaker connector from the front of the cpu and then plug it back it. The sound started working as soon as it was plugged back in.

Whenever I hard reboot the machine, the sound will not work until I unplug that connector on the front of the cpu and plug it back in. The LED on the front of the audio amp is solid-on the entire time. The light on the prism card is on as well. I have reseated the connecting cable between the prism and amp. If I soft restart the game using the service menu the sound remains active after the game restarts and I DO NOT have to unplug and plug in the sound connector again - only when I turn the game off and back on. I am assuming that this is because the cpu doesn’t really lose power during that soft, service menu reboot.

Any thoughts? Many thanks in advance for any information.

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