B+*Power*Cables*
!
Now!we!need!to!connect!the!B+!(a.k.a!HT!–!basically!the!high!DC!voltage)!from!
the!power!supply!PCB!onto!both!of!the!amplifier!PCBs!(and!powering!them!up).!
In!!Figure!18!-!Two!cables! (brown)!connecting!power! transformer!se cond ary!terminals!
(250V!-!0)! to!the !ma in!pow e r!sup ply!PC B!(AC!IN),!you!can!see!the!twisted!red!cables!
coming!out!from!the!“B+!OUT”!terminal!on!the!PCB.!
!
Additionally,! in! Figure! 20! -! Twisted! red! cables! carrying! B+! voltage! into! the! two!
amplifier!boards!we!see!the!same!twisted!cables!going!to!the!B+!terminals!on!the!
amplifier!PCBs.!
!
Connect!the!^;( GIK!on! the! power!supply!PCB! to! the! star!ground!–!this!is! the!
yellow/green! cable! seen! in! Figure! 18! -! Two! cables! (brown)! connecting! pow er!
transformer!secon dary!term ina ls!(250V!-!0)!to!the!m ain!pow e r!supp ly!PCB !(AC!IN).!!
!
!
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