Harrison series 12 meter card schematics

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eastwoodsound

Member
Joined
Jun 9, 2015
Messages
16
I bought some meters that seem to have came from a Harrison series 12 or similar.  They are vu/Ppm led meters with black face plates. 

Does anyone have direct links to a schematic?
 
I've got Harrison PP1. MR3, and MR4 meters.
They are basically the same edge card connector PSBs with different mounting faceplates.
Pix of the 12 meters. Maybe my schematics could help.
 
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