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• Phuoc Hien Tran

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©1998,©1999 Mackie Designs Inc. All rights reserved

MAIN BOARD 227 Rev C

227-1

227-2

MAIN BOARD 227 Rev C

©1998,©1999 Mackie Designs Inc. All rights reserved

©1998,©1999 Mackie Designs Inc. All rights reserved

MAIN BOARD 227 Rev C

227-3

227-4

MAIN BOARD 227 Rev C

©1998,©1999 Mackie Designs Inc. All rights reserved

©1998,©1999 Mackie Designs Inc. All rights reserved

MAIN BOARD 227 Rev C

227-5

227-6

MAIN BOARD 227 Rev C

©1998,©1999 Mackie Designs Inc. All rights reserved

Top Traces

©1998,©1999 Mackie Designs Inc. All rights reserved

MAIN BOARD 227 Rev C

227-7

BottomTraces

227-8

MAIN BOARD 227 Rev C

©1998,©1999 Mackie Designs Inc. All rights reserved

LOW FREQUENCY BIAS TEST POINT

LOW FREQUENCY BIAS ADJUSTMENT POT

+80V

-80V

+45V

-45V

-15 VDC +15 VDC

HIGH FREQUENCY BIAS ADJUSTMENT POT

©1998,©1999 Mackie Designs Inc. All rights reserved

HIGH FREQUENCY BIAS TEST POINT

MAIN BOARD 227 Rev C

227-9