I can try to answer your questions regarding operational and repair on TV VCR STEREO and MARINE ELECTRONICS (specializing in marine electronics)
I have over 40 years exp. servicing, repairing and installing plus designing top of the line entertainment systems/electronics for Home, Automobile and Marine electronics. I have attended numerous factory schools such as GE RCA ZENITH RAYTHEON FURUNO SITEX to name a few as well as seminars reguarding the above subjects. We specialize in installing, repairing and interfacing electronics on all sizes of boats from small trailered boats to 75 ft plus yachts. We also design custom one of a kind entertainment systems for live aboard boaters.