Includes all of the following documents:

  • WD-52527, WD-52528, WD-62527, WD-62528 Chassis V28, V28 Parts List, Schematic Diagrams, Service Manual – 74 Pages
  • WD52527, WD52528, WD62527, WD62528 Chassis V28, V28 Technical Training and Down to 1 and Troubleshooting Manual – 72 Pages
  • Chassis V28, V28 Technical Troubleshooting Tips
  • Call Screening Guide – 27 Pages
  • Technical Expander Newsletters


  • File Size: 4 MB
    Filetype: ZIP archive, Adobe Acrobat Document (PDF)