Selectable Options

Removal of +48V on Mic Inputs

To d isable the +48V p hantom p ow ering on the m icrop hone inp u ts, rem ove link J3 from Inp u t PCB SC3209. This can be d one w ithou t rem oving the PCB as show n below , by carefu lly cu tting the lead s of the link above the PCB at the p oints m arked .

To reinstate the +48V, fit a rep lacem ent link, Part N o. AZ2222, w hich is available from you r d ealer.

INPUT BOARD SC3209

JSKT1JSKT2JSKT3

 

C6

 

C4

 

 

C26

IC1

L5

 

R19

 

D3

R34

C22

R24

 

 

 

R26

 

 

 

 

 

R25

CUT J3 CUT

Edge view of PCB

J3

Pa ge 27

Page 29
Image 29
SoundCraft Spirit Live 4 manual Selectable Options Removal of +48V on Mic Inputs