STONES Nakamichi Dragons on the bench in the Service Laboratory
Nakamichi Dragon with T100 Analyser plus Iwatsu DS-6121 Digital oscilloscope monitoring Dragon Auto azimuth circuit motor drive error voltage during alignment for Fwd & Rev play modes. Phase alignment of the left and right channels is critical to the over all performance of record and playback and is aligned using a Tektronix DSA 602 digital signal analyzer and noise filter to part of a degree accuracy. Tape guide alignment and record playback head height and head stoke is set with Nakamichi Guide and Stroke Jig to enable correct tape path alignment and thus optimum play back and recording sound quality . Our aim after a service is to make the Nakamichi sound as good as new an in most cases sound better as the sound quality is most important .
Nakamichi Dragon Cassette compartment record playback heads and pinch roller assembly