Marantz 74 CD7 - Servicing Hints; General Servicing Guidelines; Dismounting and Mounting Procedures; Servicing Precautions

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2. SERVICING HINTS
3. SERVICE TOOLS
Audio signals disc 4822 397 30184
Disc without errors (SBC444)+
Disc with DO errors, black spots and fingerprints (SBC444A) 4822 397 30245
Disc (65 min 1kHz) without no pause 4822 397 30155
Max. diameter disc (58.0 mm) 4822 397 60141
Torx screwdrivers
Set (straight) 4822 395 50145
Set (square) 4822 395 50132
13th order filter 4822 395 30204
Allen wrench (No. 3)