Not from Radio Shack, but the rest of your report is correct. The HDview360s are notorious for water intrusion, and a disassembly to drain water and polish up contacts may be in order, and possibly help. Most people are replacing them once they start acting up, but some do go in and make repairs to keep them running.
Dewey & Sharon
Southern Maryland suburbs of DC
2019 Entegra Anthem 44F