Patches and discussion for Ensoniq VFX family group photo

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Patches and discussion for Ensoniq VFX family

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VFX-SD ver 2 power supply problem/question

2003-06-05 by Geren W. Mortensen, Jr.

Hi there, folks.
I've been quietly lurking on the yahoo list now for some time, and I've just developed a problem with my VFX-SD ver2. I hope someone can shed some light on this.
I was playing merrily along, and quite suddenly, I lost all functionality. No sound, no lights, and on the display, only the far end columns are lit, and those only faintly. A little internal inspection and troubleshooting indicates that the two 2A internal fuses on the power supply board are blown. I cannot _see_ any other damage, nothing smells bad, and all internal connectors and chips are properly seated. Before I pop another pair of fuses in (and possibly cause further damage), I'm wondering what commonly causes these two fuses to blow.
Thanks in advance.

Geren W. Mortensen, Jr.
Catonsville, Maryland, USA

On the web at:
http://gerenm.net

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