Overall Assembly, Pre-MainUnit, 30 40 C60 C50 C40

F-20B

OVERALL ASSEMBLY

C60

C50

C40

C50

C30

C20

60a

C100

C110

C70

C90

C80

CONTENTS BASS AMPLIFIER IMPORTANT NOTICE F-20BWARNING CHEMICAL CONTENT NOTICE IMPORTANT NOTICE FOR THE UNITED KINGDOM PANEL LAYOUT SPECIFICATIONSF-20B POWER AMP BLOCK DIAGRAMCIRCUIT BOARD LAYOUT POWER TRANSFORMER 2.Speaker Time required about 2 min DISASSEMBLY PROCEDURE1.Pre-MainUnit Time required about 2 min F-20B F-20B 4.MAIN 2/2 Circuit Board 5.Power Transformer Time required about 4 minTime required about 3 min CIRCUIT BOARDS F-20B 3.Inspection procedure IC BLOCK DIAGRAM2.Power supply INSPECTIONS BASS AMPLIFIER CONTENSPARTS LIST F-20B F-20B OVERALL ASSEMBLY10 Overall Cabinet Assembly 20 Pre-MainUnit REMARKS F-20BDESCRIPTION New parts PRE-MAINUNIT F-20B V 6 9 5 4 8 0 0 Chassis ELECTRICAL PARTS F-20B F-20B HF456330 F-20B OVERALL CIRCUIT DIAGRAMABCDEFG P.1 5 F-20B