[TenTec] OT: MURCH UT-2000B Manual?

[Mr Mike]

Just purchased a Murch UT-2000B tuner, this is the "fancy" model with switches and metering that also does 160m =0)
 
Looking for a Manual or at least a schematic.
 
Note: this is the 2000B, different than the 2000A.
 
Any help Appreciated.
 
AC2Q, the ham formerly known as kf8zn