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Yamaha tyros 2 trs-ms02 complete service manual
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SERVICE MANUAL
HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. PDF ’05.10
PK 001740
CONTENTS
SPECIFICATIONS (Tyros2) ...................................................... 3
SPECIFICATIONS (TRS-MS02) ............................................... 5
PANEL LAYOUT (Tyros2) .......................................................... 6
PANEL LAYOUT (TRS-MS02) .................................................. 8
CIRCUIT BOARD LAYOUT ....................................................... 9
DISASSEMBLY PROCEDURE (Tyros2) ................................. 12
DISASSEMBLY PROCEDURE (TRS-MS02) .......................... 24
LSI PIN DESCRIPTION .......................................................... 26
IC BLOCK DIAGRAM .............................................................. 40
CIRCUIT BOARDS ................................................................. 43
TEST PROGRAM ................................................................... 77
SYSTEM RESET .................................................................... 89
OS UPDATE ............................................................................ 90
DATA BACKUP ........................................................................ 91
MIDI IMPLEMENTATION CHART ........................................... 92
MIDI DATA FORMAT ............................................................... 93
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
MONITOR SPEAKER
TRS-MS02
/
Tyros2
TRS-MS02

2
Tyros2
MO
T R
OWNE
BEDI E
MODE
IMPORTANT NOTICE
This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that
basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the
users, and have therefore not been restated.
WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in per-
sonal injury, destruction of expensive components and failure of the product to per form as specified. For
these reasons, we advise all Yamaha product owners that all service required should be performed by an
authorized Yamaha Retailer or the appointed service representative.
IMPORTANT: This presentation or sale of this manual to any individual or firm does not constitute authorization, certifica-
tion, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any
form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and
service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefor, inevitable and
changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please
contact the distributor's Service Division.
WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this
buss).
IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to
the unit.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical / electronic and / or plastic (where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other
entities) to cause cancer and / or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL / ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON
WHAT SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to
solder / flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
IMPORTANT. The wires in this mains lead are coloured in
accordance with the following code:
BLUE : NEUTRAL
BROWN : LIVE
As the colours of the wires in the mains lead of this apparatus
may not correspond with the coloured makings identifying the
terminals in your plug proceed as follows:
The wire which is coloured BLUE must be connected to the
terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the
terminal which is marked with the letter L or coloured RED.
Making sure that neither core is connected to the earth
terminal of the three pin plug.
WARNING
Components having special characteristics are marked and
must be replaced with parts having specification equal to those
originally installed.
SAVING DATA
Saving and backing up your data
The data of the types listed below are lost when you turn off the
power to the instrument.
Save the data to the User drive or appropriate external media.

3
Tyros2
NITOR SPEAKER
R S-MS02
ER’S MANUAL
ENUNGSANLEITUNG
E D’EMPLOI
■ SPECIFICATIONS (Tyros2)
Sound Source AWM Dynamic Stereo Sampling
Keyboard 61 keys (C1 - C6) Initial touch/Aftertouch
LCD Display 640 x 480 dots VGA Color LCD
Music Score, Lyrics Yes
Text Yes
RAM Capacity per a text approx. 60 KB
Wallpaper Customize Yes
Voice Polyphony (max) 128
Voice Selection 504 voices (486 Normal + 18 Mega) + 10 Organ Flute
+ 480 XG voices + 256 GM2 Voices + 23 Drum kits + 6 SFX Kits
(And GS Voices for GS Song playback)
MegaVoices (18 voices)
Small Strings, Large Strings, Brass, Tenor Sax, Trumpet, Nylon Guitar,
Solid Guitar 1/2, Steel Guitar, Hi String Guitar, 12Strings Guitar, Clean
Guitar, Overdrive, Distortion, Acoustic Bass, Finger Bass, Pick Bass,
Fretless Bass
Sweet! Voices (23 voices)
Jazz/Pop/Ballad TenorSax, Growl Sax, Tenor Sax, Alto Sax, Soprano
Sax, Jazz/Silver/Golden Trumpet, Cornet, Trumpet, Mute Trumpet, Flu-
gel Horn, Trombone, Violin, Harmonica, Mandolin, Oboe, Clarinet,
Flute, Pan Flute, Classical Flute
Live! Voices (58 voices)
Dynamic Strings, Spiccato, Dynamic Brass, Power Brass, French Horn,
Sax Section, Dynamic Steel Guitar, Grand Piano, Dynamic Nylon
Guitar, Gospel Choir, etc.
Live! Drums (9 drum kits)
Live! PowerKit 1/2, Live! Studio, Live! Standard 1/2, Live! Brush, Live!
Symphony, Live! PopLatin, Live! Cuban
Cool! Voices (39 voices)
Sparkle Stack, Curved Bars, Slide Solid, Clean Guitar, Jazz Guitar,
Power Lead, etc.
Organ Flutes! 10 presets
Super Articulation Voices (42 voices)
Concert Strings, Tremolo Bowing 1/2, Big Band Brass, Brass Fall f/mf,
Trumpet, Trumpet Shake1/2, Saxophone, Concert Guitar, Flamenco
Guitar, Steel Guitar, Warm Solid, Guitar Hero, Feedbacker, Magic Bell,
etc.
Orchestration Upper Right 1 - 3
Lower Left
Split Left (default point: F#2)
Style (default point: F#2)
Right 3 (default point: G2)
Voice
Expandability
Function Voice setting Editor / Voice Creator with Wave Assign
Pre- Installed Memory size 4 MB
Additional Memory Maximum size 1024 MB (Optional)
Slot 168 pin DIMM x 2
Hard Disk
Recorder
Control PLAY, PAUSE, STOP, REC, PREV, NEXT
Playlist Repeat, Sort, Shuffle, Marking
File format Wave (16-bit, 44.1 kHz, stereo)
Effects Effect Blocks Reverb/Chorus/DSP 6
Microphone 1
Effect Types Reverb/Chorus/DSP Reverb: 34 presets + 3 users
Chorus: 30 presets + 3 users
DSP Effect For Style: 189 presets + 3 users
DSP Effect For R1/R2/R3/Left: 189 presets + 10 users
DSP Effect For Mic: 189 presets + 10 users
Mic Effects Noise Gate x 1, Compressor x 1, 3Band EQ x 1
Master EQ (5 band) 5 presets + 2 users
Master Compressor 5 presets + 5 users
Part EQ (2 band) 29 Parts (R1, R2, R3, Left, MultiPad, Style x 8, Song x 16)
Poly/Mono ON/OFF
Vocal Harmony 60 presets + 10 users
Harmony/Echo 17 presets
Upper Octave -1, 0, +1
Part Octave -2, -1, 0, +1, +2
Pitch Bend Wheel Available
Modulation Wheel Available

4
Tyros2
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Accompaniment
Style
Accompaniment Styles 400 (11 categories)
Pro Styles 357
Session Styles 43
MegaVoice Styles (Using by preset styles)
Fingering Single Finger, Fingered, Fingered On Bass, Multi Finger, AI Fingered,
Full Keyboard, AI Full Keyboard
Control Intro x 3, Fill In x 4, Main x 4, Break x 1, Ending x 3, Fade In/Out,
Tap Tempo
Style Creator YES
OTS (One Touch Setting) 4 for Each Style (Programmable)
OTS Link YES
Music Finder Preset 1,835 records
Edit Programmable. Up to 2,500 records.
RAM Capacity per a style approx. 120 KB
Song Preset Songs 5
Control PLAY, PAUSE, STOP, REC, FF, REW
Song Position Jump 4 point / Loop
Tracks 16
Guide Follow Lights, Any Key, Karao-Key, Vocal CueTIME
Performance assistant Technology YES
Recording Quick Recording, Multi Recording, Step Recording, Song Editing
Record Channels 16
RAM Capacity per a song approx. 300 KB
Multi Pad Preset 120
Control Pad 1 - 4, Stop, Select
Tempo 5 - 500, Tap Tempo
Transpose -12 - 0 - 12 (Assignable Keyboard/Song/Master)
Tuning 414.8 - 440 - 466.8 Hz
Internet Direct Connection External Adapter (via USB to DEVICE)
Memory Device Internal Flash Memory for user drive 3.2 MB
Hard Disk Drive (Internal) 2.5-inch IDE (Optional)
Storage devices (via USB to DEVICE) USB Flash Memory, USB Hard Disk Drive, etc.
Registration
Memory
Buttons 8
Control Bank +/-, Regist Sequence, Freeze
Others Demo YES
Language for Display 5 Languages (English, German, French, Spanish, Italian)
Direct Access YES
Scale Type 9 presets
Metronome YES
Terminals USB to HOST YES
USB to DEVICE YES (2 terminals: Front / Back )
MIDI MIDI A (IN/OUT), MIDI B (IN/OUT)
Control Foot Pedal 1 (Sustain) / 2 (S. Articulation) / 3 (Volume)
Function Assignable
Video Out NTSC / PAL Composite
RGB Out YES
Audio PHONES
Main Line Output (L/L+R, R)
Sub Output 1, Sub Output 2
Loop Send (L/L+R, R) / AUX Out (Level Fixed): Selectable
Loop Return (L/L+R, R) / Aux In
MIC / LINE IN (Stereo)
For Option Speaker To Satellite Speaker (L/R), To Sub Woofer (L/R)
Power Supply AC (Inlet)
Dimensions [W x D x H] (with the Music Rest) 1,140 x 450 x 137 mm (1,140 x 536 x 371 mm)
Weight (with the Music Rest) 14.5 kg (15.5 kg)
Optional
Packing List
Accessories
Speaker
AC Power cord X 1
Music rest and brackets
CD-ROM
Owner's Manual, Data List, Installation Guide
Screws for installing the optional hard disk drive
TRS-MS02
Headphones HPE-150/HPE-160/HPE-170
Foot Switch FC4/FC5
Foot Controller FC7
MIDI Foot Controller MFC-10
Floppy Disk Drive UD-FD01
Keyboard Stand L-7/L-7S

5
Tyros2
NITOR SPEAKER
R S-MS02
ER’S MANUAL
ENUNGSANLEITUNG
E D’EMPLOI
■ SPECIFICATIONS (TRS-MS02)
Type Advanced Active Servo Technology
Output power Satellite speakers....... 20 W + 20 W (1 kHz, 4 Ω at T.H.D.=10%)
Subwoofer.................. 40 W (100 Hz, 5 Ω at T.H.D.=10%)
Frequency response 32 Hz to 20 kHz
Speaker unit Satellite speakers
Tweeter....................... 1.9 cm (3/4") dome, magnetic shielding
Midrange.................... 8 cm (3") cone, magnetic shielding
Subwoofer................... 16 cm (6.5") cone, magnetic shielding
Power consumption 65W
Power supply U.S.A. and Canada models..........AC 120 V, 60 Hz
Australia model............................AC 240 V, 50 Hz
U.K. and Europe models.............. AC 230 V, 50 Hz
Dimensions (W x H x D) Satellite speakers........ 97 (3.8") x 174 (6.9") x 178 (7")mm
Subwoofer................... 350 (13.8") x 210 (8.3") x 321 (12.6") mm
Weight Satellite speakers........ 0.7 kg (1 lb. 9 oz.) x 2
Subwoofer................... 8.0 kg (17 lbs. 10 oz.)
Accessories Speaker brackets x 2, RCA pin cables x 2, RCA pin/8-pin combination cable x 1

6
Tyros2
MO
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BEDI E
MODE
■ PANEL LAYOUT(Tyros2)
●
FRONT PANEL
q POWER ON/OFF switch
w MASTER VOLUME control
e INPUT VOLUME control
r DEMO button
t MIC/LINE IN buttons
y SONG CONTROL buttons
u FADE IN/OUT buttons
i SONG buttons
o STYLE buttons
!0 STYLE CONTROL buttons
q
e
w
#1 #2
r
u
i
t
y
!0
!1 !2 !3 !4
!6
!8 !7
!9
!5
o
PHONES
Headphones
#4
#6
#3
#5
!1 METRONOME button
!2 TAP TEMPO button
!3 TEMPO buttons
!4 TRANSPOSE buttons
!5 MULTIPAD CONTROL buttons
!6 BALANCE button
!7 MIXING CONTROL button
!8 CHANNEL ON/OFF button
!9 REGISTRATION MEMORY buttons
@0 PROGRAMMABLE MUSIC FINDER button

7
Tyros2
NITOR SPEAKER
R S-MS02
ER’S MANUAL
ENUNGSANLEITUNG
E D’EMPLOI
@1 @2
@0
@3
@4
@9 #
$0
0
@6
@7
@8
@
#4
#7
5
#5
#8
#9
@1 FUNCTION button
@2 VOICE CREATOR button
@3 DIGITAL RECORDING button
@4 HARD DISK RECORDER buttons
@5 VOICE buttons
@6 PART SELECT buttons
@7 PART ON/OFF buttons
@8 VOICE EFFECT buttons
@9 PROGRAMMABLE ONE TOUCH SETTING buttons
#0 USER OCTAVE buttons
#1 PITCH BEND wheel
#2 MODULATION wheel
#3 LCD CONTRAST
#4 LCD A-J buttons
#5 LCD 1-8 up/down buttons
#6 DIRECT ACCESS button
#7 EXIT button
#8 DATA ENTRY dial
#9 ENTRY button
$0 USB TO DEVICE terminal

8
Tyros2
MO
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OWNE
BEDI E
MODE
●
REAR PANEL
q
wer t y u i o !0
!1 !2 !3 !4 !5 !6 !7 !8 !9 @0 @1 @2 @3
@4
q TO RIGHT SPEAKER jack
w ASSIGNABLE FOOT PEDAL [SUSTAIN] jack
e ASSIGNABLE FOOT PEDAL [S.ARTICULATION] jack
r ASSIGNABLE FOOT PEDAL [VOLUME] jack
t MIDI A [IN],[OUT] jack
y MIDI B [IN],[OUT] jack
u RGB OUT jack
i VIDEO OUT jack
o USB jack (TO HOST)
!0 USB jack (TO DEVICE)
!1 LINE OUT SUB [1], [2] jack
!2 LINE OUT MAIN [R],[L/L+R] jack
!3 AUX IN / LOOP RETURN TRIM control
!4 AUX IN / LOOP RETURN [R] jack
!5 AUX IN / LOOP RETURN [L/L+R] jack
!6 AUX OUT / LOOP SEND [R] jack
!7 AUX OUT / LOOP SEND [L/L+R] jack
!8 LINE IN / MIC [R] jack
!9 LINE IN / MIC [L/L+R/MIC] jack
@0 LINE IN / MIC TRIM control
@1 TO SUB WOOFER [R] jack
@2 TO SUB WOOFER [L] jack
@3 AC INLET
@4 TO LEFT SPEAKER jack
■ PANEL LAYOUT (TRS-MS02)
BASS
10 0
q
r
e
SUBWOOFER FRONT SUBWOOFER REAR SATELLITE
SPEAKER REAR
w
q BASS control knob
w Main POWER switch
e TO KEYBOARD L,R jack (WOOFER)
r TO KEYBOARD jack (Satellite)

9
Tyros2
NITOR SPEAKER
R S-MS02
ER’S MANUAL
ENUNGSANLEITUNG
E D’EMPLOI
■ CIRCUIT BOARD LAYOUT
[9] [4] [7]
[3]
[2]
[1]
[5]
[8]
LCD Panel Assembly
LCD Panel Assembly
* The parts with "( )" in "Part No." are not available as spare parts.
No. Location Part No. Connector Discription Remarks
Assembly Source Destination
1 130 WE844800 FFC(LCLR) LCL-CN3 LCR-CN5 9P L=260
2 140 WF761300 FFC(LCD-B) LCL-CN1 DM-CN2 30P L=950
3 150 WG168600 FFC(LCD) LCL-CN2 LCD-CN1 20P L=120
4 160 (WE84640) LC-PWR LCR-CN7 CK-CN92 5P - 2P,3P
LCL-CN8
5 170 WE844700 FFC(PNL-LCL) LCL-CN4 PNL-CN1 8P L=550
6 60 -------- LCD LCD Backlight LCR-CN6
7 LCL-W1 (WG26430) EPB1 LCL circuit board Panel holder
LCD (R side of PNC) GND wire
8 300 (WG26440) EPC1 LCD support stay
PNC circuit board
9 340 (WG26470) EPSS1 LCL circuit board LCD
[6]
LCR
LCL

10
Tyros2
MO
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BEDI E
MODE
HDSB DJK CK
Power Supply Unit
DAC2A
DM
HDSB
SPOR AJK
HP
INLET SPOL
Power Switch
PNR
USB
EN PNC
PNL
MICVR
Wheel Assembly
Lower Case Side
Upper Case Side
[8]
[10]
[17]
[23] [24] [19] [7]
[14] [11]
[18] [12]
[9]
[13]
[1]
[26]
[27]
[25] [4]
[2] [3]
[15]
[6] [5] [16]
[21] [20] [22]
[29]
[28]
[30]
[33]
[37]
[42] [32] [31] [38]
[35]
[34]
[36]
[39] [41] [40]
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This comprehensive service manual includes specifications, panel layout, circuit board layout, block diagram, disassembly procedure, LSI pin description, IC block diagram, circuit boards, inspection, MIDI implementation chart, overall circuit diagram, and parts list. It provides detailed instructions and images for repairing and servicing Yamaha products. The manual is an official high-resolution document, ensuring excellent print quality. Instant access is available after payment, with no shipping delays. The manual is in English and is compatible with various platforms such as Windows, MAC, and Linux. For other Yamaha product service manuals, feel free to inquire.