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
Summary of Contents for Tyros4
Page 44: ...44 Tyros4 D D 1 28 56 IC23 48P TSOP 29 DM Circuit Board 2NA WT75980 ...
Page 46: ...46 Tyros4 DJACK Circuit Board to DM CN600 E E F F 2NA WT90150 ...
Page 47: ...47 Tyros4 to DM CN3 to DM CN4 E E F F Pattern side Component side 2NA WT90150 ...
Page 50: ...50 Tyros4 PNR Circuit Board H H to PNL CN4 to DM CN901 2NA WT90310 ...
Page 51: ...51 Tyros4 Component side 2NA WT90310 H H ...
Page 52: ...52 Tyros4 PNR Circuit Board I I 2NA WT90310 ...
Page 53: ...53 Tyros4 Pattern side 2NA WT90310 I I to PNC CN2 ...
Page 54: ...54 Tyros4 PNL Circuit Board J J 2NA WT90240 ...
Page 55: ...55 Tyros4 Component side J J to PNR CN2 not installed 2NA WT90240 ...
Page 56: ...56 Tyros4 PNL Circuit Board K K to CK CN91 to LCL CN152 2NA WT90240 ...
Page 57: ...57 Tyros4 Pattern side 2NA WT90240 K K to WHEEL ASSEMBLY to PNLS CN202 ...
Page 62: ...62 Tyros4 MK61L Circuit Board Component side N N N C N N O O O O to MKH D CN4 2NAKZ WD80020 3 ...
Page 63: ...63 Tyros4 MK61L Circuit Board Pattern side P P 2NAKZ WD80020 3 P P Q Q Q Q ...