Fair pricing, quick, know their stuff.... Garmin, Humminbird, Lowrance.... got my unit fixed and returned for $300 for a pretty major issue on an HDS 12. Just sharing.

https://www.rudolphrepairs.com

Based out of Maine. They also have some videos out there. https://www.youtube.com/channel/UCcF...0BV1H4Q/videos

They helped me, they might help someone else.