Yamaha GA 011589 Musical Instrument Amplifier User Manual


 
AG-Stomp
1
SERVICE MANUAL
GA
011589
1.507K-926 Printed in Japan 2001.7
HAMAMATSU, JAPAN
ACOUSTIC GUITAR PRE-AMPLIFIER
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
This document is printed on chlorine free (ECF) paper with soy ink.