Yamaha f-20B Musical Instrument Amplifier User Manual


 
SERVICE MANUAL
HAMAMATSU, JAPAN
1.507K-033 K Printed in Japan 2001.08
011592
GA
20010720-17800
CONTENTS
SPECIFICATIONS .............................................................................. 3
PANEL LAYOUT.................................................................................. 3
CIRCUIT BOARD LAYOUT................................................................. 4
BLOCK DIAGRAM .............................................................................. 4
DISASSEMBLY PROCEDURE ........................................................... 5
CIRCUIT BOARDS ............................................................................. 7
IC BLOCK DIAGRAM.......................................................................... 8
INSPECTIONS .................................................................................... 8
PARTS LIST
OVERALL CIRCUIT DIAGRAM
BASS AMPLIFIER
This document is printed on chlorine free (ECF) paper with soy ink.