It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
Text excerpt from page 38 (click to view)
2. SERVO CIRCUIT (3) When the Capstan Motor doesn�t run,
When the Capstan Motor doesn�t run,
Does 12VA appear at the PMC01? YES Does 2.8V appear at the PMC01?
NO
Refer to �SMPS(CAPSTAN/12Volt) Trouble Shooting�.
NO YES Check the PMC01 and the Capstan Motor Ass�y. YES NO Aren�t the foil patterns and Components between IC501 Pin108 and PMC01 Pin9 short? YES NO Does the CFG signal come into the IC501 Pin9? NO YES Does the Capstan PWM signal appear at the IC501 Pin108? NO YES Aren�t the foil patterns and Components between IC501 Pin108 and PMC01 Pin9 short? Replace the IC501. Aren�t the foil patterns and component between IC501 Pin9 and PMC01 Pin1 short? Check the Capstan Motor Ass�y. Does the CFG signal appear at the PMC01 Pin1? Does the PWM signal appear at the IC501 Pin108?
