Sources Used
- [0] Troubleshooting Guide 321 and 321GS Series II Home Entertainment System (2005, 273029-TG Rev. 00)
- [1] Service Manual 321, 321GS and 321GSX Series II Home Entertainment Systems (2012, 273029-SM Rev. 12)
- [2] Troubleshooting Guide Lifestyle PS 28 and 48 Digital Acoustimass Powered Speaker (2003, 268795-TS Rev 00 06/03)
- [3] AV321 Test Automation Protocol (266861, REV00)
- [4] LS28-35 Postman ETAP (Extended Test Access Port) Command Set (8/22/02)
- [5] 3-2-1 Home Entertainment System Service Manual Schematics (263493 Rev. 01)
- [6] PS321 Bass Module DSP and Amplifier PCB (P/N 279318 Rev. 01)