The V2 to V3 upgrade instructions can be used for replacement of V3 amp board. Note that the color of V3 circuit board could be red, black or green due to production variations.
This item is available for out of warranty service of the following NuForce products:
-NuForce Ref 9V3, Ref 9V3SE
-Upgrade from NuForce Ref 9V2 or earlier version
-A variation of this board is used in NuForce IA-7, IA-18, MCH series.
Note that if you have 2 or more NuForce Ref 9V1 or V2 amps, they all have to be upgraded to V3 amp module. We do not provide replacement parts for earlier versions.
These parts are sold “as-is” and non refundable.