ACOUSTIC GUITAR PRE-AMPLIFIER

SERVICE MANUAL

This document is printed on chlorine free (ECF) paper with soy ink.

CONTENTS

 

SPECIFICATIONS

3/4

PANEL LAYOUT

5

BLOCK DIAGRAM

8

CIRCUIT BOARD LAYOUT

10

WIRING

11

DISASSEMBLY PROCEDURE

12

LSI PIN DESCRIPTION

15

IC BLOCK DIAGRAM

18

CIRCUIT BOARDS

20

TEST PROGRAM

28

ERROR MESSAGES

32

MIDI IMPLEMENTATION CHART

33

PARTS LIST

 

OVERALL CIRCUIT DIAGRAM

 

GA

011589

HAMAMATSU, JAPAN

1.507K-926 Printed in Japan 2001.7

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Yamaha GA 011589 service manual Acoustic Guitar PRE-AMPLIFIER