IMPOR TANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under- stood by the users, and have therefore not been restated.
SYSTEM45 CIRCUIT BOARD （シート基板図） Equalizer HIGH to Pickup (Bar sensor) VOL. PHASE Output jack MIC VOL. to Pickup (Condenser mic) Component side Pattern side （部品側） （パターン側） MC030-QC58830 CIRCUIT DIAGRAM （シート回路図） LOW EQ. VOL. to Pickup (Bar sensor) OP AMP Output Jack OP AMP HIGH EQ.