Try this on your VG-99:

Disconnect all cables.

* Reconnect ONLY the following:

* connect power supply

* connect headphones

* connect GK13 cable to guitar

power on VG-99

turn up GK3 volume


Try patches untill you hear a sound



--- In vg-8@yahoogroups.com, "tordenspyd" <tordenspyd@...> wrote:
>
> I've been using VG-99 every day (I have been at home) for a little more than
a year and
> been very happy.
>
> Now, I have no audio output. :-(
> The circumstance and time when it happen was rather strange.
> I will ask if anyone can think of a reason, or something I can do, or just
send it to
Roland
> for repair?
>
> I record my VG-99 through an M-Box 2 interface connected to my Max OSX 1.4.11,
and
I
> have been happy with that. The VG has been connected by USB mainly for editing
and
> storing patches and ocasionally using the VG99 as a Midi controller.
>
> The VG 99 also has a USB Audio output. But I did not use it.
> Today I heard about the 'aggregate device' feature of MacOSX ( meaning that
you should
> be able to use all your connected Audio devices ( USB and Firewire connected)
So I went
to
> Application/Utilities/Audio MIDI Setup and defined a new aggregate device
including the
> VG99 ( THe other were the M-Box 2 and a Yahama Motif ESX Rack with mLan
Firewire
> interface) giving me a whopping 22 input channels in the aggregate device )
>
> Immediately after doing that, I had no output from the VG 99; There was no
output
signal
> from the audio jacks and there was no signal through the head phones.
> I deselected the aggregate devece. Reet the computer, turned down the
computer.
>
> I dont know if the audio device driver part for a USB device can have one part
in the
> installation procedure that is loaded into the device.??? Or am I just
over-suspicious do
to
> the strange coincidence.
> I did reset the VG99 to factory defaults, it did not help.
>