JBL MTC-SBT300 Installation Instructions Download Page 2

 

Unplug multi-pin connector from PC board as shown 
above. 

Mount transformer on posts, attach with included 
star washers and nuts and tighten. 

Remove black wire (B) from input PC board as shown 
in above drawing. 

Connect black wire (E - common) from transformer to the 
open former location of black wire (B) as in above drawing. 

Summary of Contents for MTC-SBT300

Page 1: ... 1 2 3 WIRE LABELLING IN DIAGRAMS ORIGINAL WIRES Being Removed A RED B BLACK TRANSFORMER SECONDARY Output to Speakers C YELLOW Output D GREEN Output TRANSFORMER PRIMARY From Input Terminals E BLACK Common F RED Use for 300W 70V N C 100V G BLUE Use for 150W 70V 300W 100V H YELLOW Use for 75W 70V 150W 100V I ORANGE Use for 37W 70V 75W 100V MULTI CABLE TO SPEAKER DRIVERS J GREEN K WHITE L RED M BLACK...

Page 2: ...nt transformer on posts attach with included star washers and nuts and tighten Remove black wire B from input PC board as shown in above drawing Connect black wire E common from transformer to the open former location of black wire B as in above drawing 4 5 6 7 ...

Page 3: ...ows red wire F connected to input PC board which is the 300W tap for 70V use Unplug connector attached to the end of the red wire A and black wire B from the PC board and set aside This cable connection is no longer needed for use with the transformer Attach yellow wire D and green wire C to the now open former location of the connector from the red wire A and black wire B This is the location for...

Page 4: ...ate firmly with original screws IS MTCSBT300 03 2016 JBL Professional 8500 Balboa Blvd Northridge CA 91329 U S A 12 13 14 WIRE LABELLING IN DIAGRAMS ORIGINAL WIRES Being Removed A RED B BLACK TRANSFORMER SECONDARY Output to Speakers C GREEN Output D YELLOW Output TRANSFORMER PRIMARY From Input Terminals E BLACK Common F BLUE Use for 300W 70V N C 100V G RED Use for 150W 70V 300W 100V H YELLOW Use f...

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