Dual Audio Players & Recorders - Page 5 - Recent Questions, Troubleshooting & Support

Try and locate a service manual from the maker's web site

Dual Electronics... | Answered on May 29, 2014

The internal circuit still maintains the same ground source.

Dual Electronics... | Answered on May 09, 2014

Quote from the manual:
The USB port provides power only, and will not playback music from a USB device.

You can download the manual here:

Dual XD250 CD... | Answered on May 08, 2014

if you put a aftermarket radio in, make sure all the wires go to the same color.

Dual XD1228 CD... | Answered on Apr 24, 2014

That error code means an unknown error has occurred. Try cleaning the player itself, along with the CD's prior to insertion to see if that helps.

Dual XD1228 CD... | Answered on Apr 07, 2014

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