Do you have a question about the Dual CS 731 Q and is the answer not in the manual?
Procedure for replacing the complete motor electronic system.
Procedure for replacing the mechanical system of the motor.
Explanation of 5.5% speed variation and potentiometer adjustment.
Functionality and use of the stroboscope markings for speed checking.
Specifications for vertical and horizontal tonearm bearing friction.
Step-by-step guide for removing the tonearm from its frame.
Explanation of anti-skating force adjustment via knurled ring.
How to use the lever for lifting and lowering the tonearm.
How to set up and operate continuous automatic play mode.
Purpose and adjustment of the muting switch for noise reduction.
How to adjust the tonearm's record set down position.
How to adjust the record auto shut-off position.
How to adjust the tonearm lift-off height for automatic play.
Important safety precautions for service personnel.
Identifies defects, causes, and remedies for common issues.
Lists recommended types of oil and grease for lubrication.
Description of the power supply unit and its voltages.
Explanation of the quartz oscillator and speed selection circuitry.
Detailed explanation of the Phase-Locked Loop circuit.
Explanation of how speed synchronization occurs during start-up.
Explanation of the motor's electronic commutation system.
How to calibrate the speed display unit.
Component placement diagram for the display unit.
Component placement diagram for the motor electronics.
Component placement diagram for Module 3.
Component placement diagram for Module 2.
Component placement diagram for Module 1.