HST-D501CDM Front Panel

The HST-D501CDM (XO-D501) front panel has some interesting features such as the motor and circuit for the servo controlled volume knob, and the main system computer IC701.

When taking the tape transport mechanism out, it is easier if you keep the cassette compartment door open to disengage the latch. A large spring, which provides a pushing force to open the door, usually falls out. The photographs here show where it goes, which is on the right side of both transport mechanisms.

This Article Continues...