Schematic Diagram - Onkyo A-8780 Service Manual

A B C D
SCHEMATIC DIAGRAM
MODEL A-8780
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[NOTE]
@ THE COMPONENTS IDENTIFIED BY MARK AN ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
@ VOLTAGE (MEASURED WITH VOLTMETER) C1IS DC VOLTAGE. (NO INPUT SIGNAL)
@ ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS ' t
OTHERWISE NOTED.
@ ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815—GR UNLESS re EO STE
OTHERWISE NOTED. 258989-2 R HE : 25A1240-F, @ BU 82 52229-¥, © pene ene nee nee ene n ee nee '
@ ALL DIODES ARE EQUIVALENT TO 155133 UNLESS OTHERWISE NOTED. j geeelt QE08, 2606 EOS SUSE £) :
@ ELECTROLYTIC CAPACITORS (-#) ARE IN «F/W. a 6 bias 7 <f: D512 | See upper diagrams for
@ ALL CAPACITORS ARE IN pF/SOW UNLESS OTHERWISE NOTED. ' a See €) €) €) 9619, 2620 ! the primary connection.
EX) 3pF-+030, 33pF+330, 330pF+331, 0, O334F+333 eeie Tad : a
@ ALL RESISTORS ARE IN OHMS 1/4 WATTS UNLESS OTHERWISE NOTED. €) (0) €) (Bp Beene on. @613,0612 _g615, 0616 —*
@ THE THICK LINES IN PC BOARD ARE THE PRINTING SIDE OF THE PARTS. ) es.> Ga Tarn '
EX) w PRINTING SIDE SAsisry,o qse1,.ase2 Gases. ass+ ei 1eeaco. & €) &) 9617, 2618 be mnnnn nnn nnnnn enn n nnn enn
® CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT. 28022297, O uve cack 2802223-¥, 0
@ THE COMPONENTS IDENTIFIED BY MARK @ ARE USED ONLY IN UGV TYPE. Bikes ey Spa ae ea eh Se ee
ONKYO CORPORATION