This is the 20 pages manual for yamaha a4115 powerd cabinet service manual.
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CONTENTS
SPECIFICATIONS ................ 1
PARTIAL DISASSEMBLY ........... 2
GENERAL ADJUSTMENT AND
CHECK SPECIFICATIONS .......... 4
CIRCUIT BOARD ................ 6
CHARACTERISTIC DIAGRAMS ...... 8
BLOCK & LEVEL DIAGRAM ........ 9
POWER CIRCUIT ARRANGMENT . . . . , 10
SCHEMATIC DIAGRAM ............ 12
WIRING ....................... 13
PARTS LIST .................... 14