AUG.25,1982Dm-223456789101121314151617181920▣E▣SSDm-2 SERVICE NOTESASecond EditionAPPLICABLE SERIAL NUMBERS 182000 AND ABOVE.TPITo keep up with latest electronic developments,Roland changes BBO to improwed version.This ase relieves theDfaetory from employing only BBDs selected among its stocks.Although the BBD and BBD driver are incompotible with old ones,PCB asemblies are intarehangeable.EAdjusting prooedure and values of the first edtion remain unrevised and shoulld be referred to s necessary.GCHANGE ON PARTSH-插月Jk5G-76151134491054TO;747-KET5214-510A(7521451005)(pcb2291045803)Llesding-in hole.To the top.PTNg一ameWMNOLDNEWCOMPATI-BILITYEP尾AT凡ATEPCB6T5214-510(75214510010ET5214510A75214510051YES(pc+2291045801l1pc02291045803引TRANSISTOR25G745-P[15129108025Cg45Pcr25C1685-R(151291290RlYES服ZENERRD11EB3(15019547刀D11FB311601663YES1品，BBD DRIVERN3101115169504MN3102(15219214|NOBBDWN3005152I192040A0MN3205(152192141NOJACKSG7622113449106到8G-7615(134401051YES4580330p9-4R2100RolandPrinted桶p码8-31W
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