CONTENTS
SPECIFICATIONS ................................. 3
SWITCH BOX & PEDAL
................................... 4
CIRCUIT BOARD LAYOUT ... 5
DISASSEMBLY PROCEDURE ............... 6
LSI PIN DESCRIPTION ................ 13
IC BLOCK DIAGRAM .................... 15
CIRCUIT BOARDS ......................... 16
TEST MODE, ADJUSTMENT
....................................... 20/22
CHECKING VERSIONS AND TYPES
............. 24/26
SWITCH BOX SELF-TEST MODE
.......................... 28
PARTS LIST
BLOCK DIAGRAM, UNIT COMPARISON
WIRING
OVERALL CIRCUIT DIAGRAM
SERVICE MANUAL
PP
008610
SILENT SD SERIES
b1-Silent / JU109-Silent
(C109)
b2-Silent / JX113T-Silent
(C113T)
Copyright (c) Yamaha Corporation. All rights reserved. PDF ’06.08
HAMAMATSU, JAPAN
b1-Silent/JU109-Silent (C109) b2-Silent/JX113T-Silent (C113T)
(総合仕様)
(スイッチボックスとペダル)
(ユニットレイアウト)
(分解手順)
(LSI端子機能表)
(ICブロック図)
(シート基板図)
(テストモード、調整)
(バージョン、プログラム種別の確認)
(スイッチボックス自己診断機能)
(ブロックダイアグラム、ユニット表)
(結線図)
(総回路図)
(目次)