BOSE bass module 700 acoustimass 300 NO POWER repair. COMPLETE GUIDE!

Start to finish repair of the most common fault with the BOSE bass module acoustimass so that you can fix your own! Tools I use - Soldering Quick 861DW hot air station Duratech TS-1640 solder iron Multimeter RMM760D - can be found under many name badges Microscope Luzky Zoom 3.5 - 90x simul-focus single boom stand trinocular stereo microscope Camera - Lucky Zoom HD 14MP Oscilloscopes Siglent SDS 1102CML 100MHz 2CH Philips PM 3305 35MHz 2CH Thermial imaging camera FLIR ONE PRO on android Bench supply Powertech MP-3086 0-30V 3A TL866II PLUS universal EEPROM programmer