SERVICE MANUAL
HAMAMATSU, JAPAN
SERVICE MANUAL
PK
001850
Copyright (c) Yamaha Corporation. All rights reserved. PDF ’10.08
SPECIFICATIONS (Tyros4) ........................................ 3
SPECIFICATIONS (TRS-MS04) ................................. 5
PANEL LAYOUT (Tyros4) ........................................... 6
PANEL LAYOUT (TRS-MS04) .................................... 8
CIRCUIT BOARD LAYOUT ......................................... 9
DISASSEMBLY PROCEDURE (Tyros4) ...................11
DISASSEMBLY PROCEDURE (TRS-MS04) ........... 24
INSTALLING THE OPTIONAL FLASH MEMORY EXPANSION MODULE
.. 25
LSI PIN DESCRIPTION ............................................ 27
CIRCUIT BOARDS ................................................... 38
TEST PROGRAM ..................................................... 65
INITIAL SETTING ..................................................... 98
CONTENTS
FLASH MEMORY EXPANSION MODULE CHECK
.. 100
FORMATTING HDD ............................................... 101
SYSTEM RESET .................................................... 102
OS UPDATE ........................................................... 104
INITIALIZING INTERNET SETUP .......................... 106
DATA BACKUP ....................................................... 107
DISPLAY MESSAGES ........................................... 108
SYSTEM BOOTING FLOWCHART ........................111
PARTS LIST
BLOCK DIAGRAM
WIRING
OVERALL CIRCUIT DIAGRAM
/ TRS-MS04
OPTION SPEAKER
Tyros4
TRS-MS04
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