hifi engine

Technics Acronyms

I am trying to fix a Technics M275X cassette deck with some digital logic problems. Does anybody know what the following acronyms mean (at IC6, AN6214)?
DMT
RMT
TRG
CAP
POF
POS
PSC
BOS
RMN
LHM
ARC
HRC
C/R
MSP

Thanks,
Matt