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GUITAR PRE-AMPLIFIER
SERVICE MANUAL
CONTENTS
SPECIFICATIONS·············································································· 3
PANEL LAYOUT················································································· 4
CIRCUIT BOARD LAYOUT ······························································ 5
BLOCK DIAGRAM·············································································· 6
DISASSEMBLY PROCEDURE ························································ 7
LSI PIN DESCRIPTION····································································· 9
IC BLOCK DIAGRAM ······································································ 12
CIRCUIT BOARDS··········································································· 14
TEST PROGRAM············································································· 18
ERROR MESSAGES······································································· 21
MIDI IMPLEMENTATION CHART················································· 22
PARTS LIST
OVERALL CIRCUIT DIAGRAM
GA
011400
HAMAMATSU, JAPAN
19980301-198000
2.1K-656
Printed in Japan '98.03