hifi engine

In Need of a Service and if possible a users' manual for a Pioneer T-6600 Reel to Reel Tape Deck... Please...TY

In Need of a Service and if possible a users' manual for a Pioneer T-6600 Reel to Reel Tape Deck because my R to R is acting up and I think the brakes are out of adjustments plus I need to adjust or replace the recording heads. TY for your help.... Billy