Mackie HR824 Service Manual page 27

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Note: The only difference between the
Rev A and Rev B parts are that VR5, R73
and R46 may have different values on the
Rev A board. See the parts list for details.
(There is no need to change to the new
parts if you have a Rev A board).
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*
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A-1
HR824 SCHEMATIC REV A and B sheet 1 of 2
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