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Yamaha Disklavier Silent Mark III Service Manual
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Yamaha Disklavier Silent Mark III Service Manual

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This document is printed on chlorine free (ECF) paper with soy ink.
PP
008600
SERVICE MANUAL
CONTENTS
PROTECTION OF EYES
FROM LASER BEAM DURING SERVICING .............. 3
SPECIFICATIONS ..................................................................... 5
PANEL LAYOUT ...................................................................... 7
CIRCUIT BOARD LAYOUT .................................................... 10
DISASSEMBLY PROCEDURE ............................................... 12
LSI PIN DESCRIPTION ........................................................... 24
IC BLOCK DIAGRAM ............................................................. 32
CIRCUIT BOARDS .................................................................. 36
WRITING NEW PROGRAM TO FLASH MEMORY ............... 49
TEST MODE ........................................................................... 52
ERROR MESSAGES .............................................................. 58
TROUBLESHOOTING ............................................................ 60
RESETTING YOUR DISKLAVIER .......................................... 62
MIDI IMPLEMENTATION CHART ......................................... 63
PIANO MAINTENANCE PART .............................................. 64
PARTS LIST
OVERALL CIRCUIT DIAGRAM
BLOCK DIAGRAM
WIRING
(Mark 3 )
DU1A
HAMAMATSU, JAPAN
0.915K-6333
Printed in Japan '02.07
TM

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  • Page 1 SERVICE MANUAL (Mark 3 ) DU1A CONTENTS PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ....3 SPECIFICATIONS ..............5 PANEL LAYOUT ..............7 CIRCUIT BOARD LAYOUT ............ 10 DISASSEMBLY PROCEDURE ..........12 LSI PIN DESCRIPTION ............24 IC BLOCK DIAGRAM ............. 32 CIRCUIT BOARDS ..............
  • Page 2 IMPOR TANT 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 under- stood by the users, and have therefore not been restated.
  • Page 3 DU1A PROTECTION OF EYES FROM LASER BEAM DURING SERVICING The Control Unit is classified as a Class 1 laser product. One of the labels below is located on the inside of the CD drive unit. Top cover CLASS 1 LASER PRODUCT LASER KLASSE 1 LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT...
  • Page 4 DU1A This set employs a laser. Therefore, be sure to carefully follow the instructions below when servicing. When checking the laser diode emission, keep your eyes more than 30 cm away from the objective lens. WARNING Laser Safety This product contains a laser beam component. This component may emit invisible, as well as visible radiation, Which may cause eye damage.
  • Page 5 DU1A SPECIFICATIONS c i t , l a continuous , t n c i t & , l a t i s c i t & l a t × ; ) ) ; s t - t l i t / e l i e l i "...
  • Page 6 DU1A Function & Controls i t c , t c ± i t i t i l center pedal) e l i c i t , f f e l i i t c i t i , x i , t r , e t i l r...
  • Page 7 DU1A PANEL LAYOUT Switch Box VOLUME HEADPHONES REVERB FOOT CNTRL q VOLUME knob r AUX OUT w HEADPHONES jacks t AUX IN e REVERB knob y Foot Controller Connector Outlet box for speakers Outlet Box for Speakers (see illustration below) These are connected to cables.
  • Page 8 DU1A Control Unit Front Panel DRIVE SELECT CONTROL UNIT DKC55RCD GENERAL INSTRUMENT PLAY/PAUSE STOP SONG SELECT/REV • FWD ENTER VOLUME • • • –10 –8 –6 –4 –2 TEMPO TRANSPOSE –/NO +/YES METRO- PART VOICE BALANCE FUNC. NOME STANDBY !2 !3 !5 !6 !7 ! 8 q [STANDBY/ON] button !2 [REC] button...
  • Page 9 DU1A Remote Controller q [RECORD] button w Number keypad * e [REPEAT] button * RECORD PART SELECT r [A-B] button * t [REV • FWD] buttons SEARCH DRIVE y [SONG SELECT] buttons u [PLAY] button i [PAUSE] button REPEAT TRANSPOSE –...
  • Page 10 DU1A CIRCUIT BOARD LAYOUT Control unit DRIVE B DRIVE A PK-CTL Key drive unit Front view S-Rail MD assembly Switch box unit DRIVE C PEDAL SENSOR Pedal drive unit MN-PS unit Power transformer PEDAL DRIVE SUB POWER SUPPLY Pedal sensor unit E view Pedal sensor unit MN-PS unit...
  • Page 11 DU1A KEY SENSOR B view Right side view Control unit Key sensor unit A view Outlet assembly OTLT Outlet assembly Switch box unit PEDAL OUTPUT SENSOR PEDAL Pedal drive unit DRIVE C view Hammer sensor unit HAMMER EMISSION HAMMER SENSOR...
  • Page 12 DU1A DISASSEMBLY PROCEDURE Removing the Exterior and Action Unit Fallboard (Time required: About 4 minutes) Top Board (Front) (Time required: About 1 minute) Open the top board (front). (See procedure A-1.) Open the top board (front). (Fig.A) Remove the upper board (front). (See procedure A-2.) Open the fallboard vertically and remove upwards.
  • Page 13 DU1A Lower Board (Front) Action Unit (Time required: About 9 minutes) (Time required: About 2 minutes) Remove the screw marked [D] in the lower board (front) Open the top board (front). (See Procedure A-1.) spring stopper. (Fig.E) Remove the upper board (front). (See procedure A-2.) Press the lower board (front) spring stopper, and pull out Remove the fallboard.
  • Page 14 DU1A [C302G] Top cover CD [C232G] [C302G] ATAPI (DA) [C301G] [C222G] 1/2" CD-ROM & DSP Upper side shield cover ATAPI (DA) [C231G] [C222G] [C211G] [C232G] [C211G] [C201G] [C301G] [C201G] [71G] [C211G] [C234G] [C211G] [C231G] [C234G] [C211G] [C231G] 1/2" CD-ROM FDD unit [43G] (Photo.1) Lower side...
  • Page 15 DU1A Panel Unit CD FDD Unit (Time required: About 5 minutes) (Time required: About 6 minutes) Remove the top cover CD. (See procedure B-1.) 10-1 Remove the top cover CD. (See procedure B-1.) Remove the panel. (See procedure B-5.) 10-2 Remove the panel unit CD. (See procedure B-7.) Remove the five (5) screws marked [21GA].
  • Page 16 DU1A Hammer Sensor Unit Replacing the Geared Motor (Time required: About 14 minutes) (Time required: About 15 minutes) 13-1 Open the top board (front). (See procedure A-1.) 13-2 Remove the upper board (front). (See procedure A-2.) 14-1 Open the top board (front). (See procedure A-1.) 13-3 Remove the fallboard.
  • Page 17 DU1A Front view HAMMER SENSOR Circuit Board and HAMMER EMISSION [81G] Hammer HAMMER SENSOR Circuit Board (Time required: About 15 minutes each) 15-1 Open the top board (front). (See procedure A-1.) 15-2 Remove the upper board (front). (See procedure A-2.) 15-3 Remove the fallboard.
  • Page 18 DU1A KEY SENSOR Circuit Board Bottom view (Time required: About 28 minutes) 17-1 Open the top board (front). (See procedure A-1.) Key sensor unit 17-2 Remove the upper board (front). (See procedure A-2.) 17-3 Remove the fallboard. (See procedure A-3.) 17-4 Remove the keyboard holder.
  • Page 19 DU1A Circuit Boards and Units (Time required: About 7 minutes each) 19-1 Remove the lower board (front). (See procedure A-5.) 19-2 Remove the individual circuit boards and units. (Fig.8) DRIVE B DRIVE A PK-CTL Front view DRIVE C [142S] [091S] x 4 MN-PS unit Pedal drive unit SUB POWER SUPPLY...
  • Page 20 DU1A PK-CTL Circuit Board MN-PS Unit Remove the three (3) screws marked [15GA]. The PK- Loosen the four (4) screws marked [141S] and the screw CTL circuit board can then be removed. (Fig.8, Photo.9) marked [142S]. The MN-PS unit can then be removed. (Fig.8) [15GA] PK-CTL...
  • Page 21 DU1A Pedal Sensor Unit Pedal sensor unit Remove the two (2) screws marked [151S]. The pedal sensor unit can then be removed. (Fig.8,10, Photo.14) Top view (Photo.14) [151S] x 2 Pedal sensor unit PEDAL SENSOR [151S]: Truss Head Tapping Screw-1 4.0X16 MFZN2Y (03747340) (Fig.10) Pedal Drive Unit [091S] x 4...
  • Page 22 DU1A Switch Box Unit (Time required: About 1 minute) Front view 20-1 Remove the four (4) screws marked [071S]. The switch box unit can then be removed. (Fig.12) [071S]x4 Switch box unit Bottom view [071S] Front view Switch box unit [071S]: Truss Head Tapping Screw-1 4.0X12 MFZN2BL (03747270) (Fig.12) CTRL IN U...
  • Page 23 DU1A OTLT Circuit Board OTLT Circuit Board (B model): (Time required: About 5 minutes) OUTPUT Circuit Board Remove the two (2) screws marked [21GC], the screw (Time required: About 4 minutes) Power Switch Assembly marked [22GC] and the two (2) screws marked [23G]. (Time required: About 3 minutes) 24-1 Remove the eight (8) screws marked [22GB].
  • Page 24 DU1A LSI PIN DESCRIPTION M37732S4AFP-10 (XL389A00) CPU ............24 HD64F2128 (X2690A00) CPU(FLASH) ........... 25 M38881M2-062FP (XS345A00) SCI ............25 HD6417014F28 (XU147A00) CPU ............26 TMS320VC5402 (XW685A00) DSP (Digital Signal Processor) ....27 TC203C760HF-001 (XR738A00) SWP30 (Standard Wave Processor) .. 28 TC203C760HF-002 (XS725A00) SWP30B (Standard Wave Processor) 28 RF5GF26-028 (XK652A00) GATE ARRAY ..........
  • Page 25 DU1A HD64F2128 (X2690A00) CPU (FLASH) KEY SENSOR: CPU1 NAME FUNCTION NAME FUNCTION Port5 / Transmission data Port2 / Reception data P50/TxD0 P26/RxD1 Port5 / Reception data Port2 / Transmission data P51/RxD0 P25/TxD1 Port5 / Serial clock Port2 / Serial clock P52/SCL0 P24/SCL1 Reset...
  • Page 26 DU1A CONTROLLER: IC007 HD6417014F28 (XU147A00) CPU MN: IC002 NAME FUNCTION NAME FUNCTION PE14 Port E PE15 Port E Data bus Ground Ground Data bus Power supply Address bus Data bus Ground XTAL Crystal oscillator Mode control EXTAL Crystal oscillator Mode control Non-maskable interrupt request Power supply Power supply...
  • Page 27 DU1A TMS320VC5402 (XW685A00) DSP (Digital Signal Processor) DSP: IC001 NAME FUNCTION NAME FUNCTION DVDD Power supply 1.8V DVDD Power supply 1.8V Ground Address bus CLKMD1 Clock mode select signals. Parallel bidirectional data bus. CLKMD2 CLKMD3 Address bus Parallel bidirectional data bus. TOUT0 Timer 0 output.
  • Page 28 DU1A TC203C760HF-001 (XR738A00) SWP30 TC203C760HF-002 (XS725A00) SWP30B (AWM Tone Generator coped with MEG) Standard Wave Processor MN: IC007 NAME FUNCTION NAME FUNCTION (Ground) (Ground) HMD0 HMD1 HMD2 HMD3 HMD4 HMD5 Address bus internal register HMD6 HMD7 Wave memory data bus (Upper data memory) HMD8 HMD9 CA10...
  • Page 29 DU1A RF5GF26-028 (XK652A00) GATE ARRAY HAMMER SENSOR: GA1 NAME FUNCTION NAME FUNCTION Not used Not used Power supply Power supply IRQKB Interrupt Key OCTK0 OCTK1 OCTK2 Make 1 OCTK3 Oct. Key OCTK4 OCTK5 OCTK6 Clock OCTK7 SYSRESIB Reset Note OCTM10 OCTM11 OCTM12 OCTM13...
  • Page 30 DU1A HD63266F (XI939A00) FDC (Floppy Disk Controller) CONTROLLER: IC029 NAME FUNCTION NAME FUNCTION 8"//5" Data transmission speed /TRKO Track 00 signal XTALSET Clock select /INDEX Index signal /RESET Rest /RDATA Read data input from FDD E//RD Enable/Read XTAL2 Clock RW//WR Read/write/Write EXTAL2 Chip select...
  • Page 31 DU1A DRIVE A: IC1 YM3421-F (XL150A00) PWM GENERATOR DRIVE B: IC1 NAME FUNCTION NAME FUNCTION Data bus Key drive pulse Ground Key drive pulse Key drive pulse Ground Power supply ø/M Clock Initial clear Chip select Key drive pulse Address enable Touch data enable Data bus AK4520A-VF-E2 (XT802A00) ADC / DAC...
  • Page 32 DU1A IC BLOCK DIAGRAM SN74HCU04NSR (XC723A00) MM74HC08SJX (X3073A00) TC74AC14F (XS343A00) HAMMER SENSOR: HU4 PK-CTL: IC10,14 CONTROLLER: IC001,012 Quad 2 Input AND HD74LVC04FP (XW905A00) MM74HC14SJX (XW104A00) DSP: IC023 KEY SENSOR: IC006 Hex Inverter PK-CTL: IC07 HD74LVC14FP (XY751A00) DSP: IC024 Hex Inverter TC74AC32F (XR771A00) MM74HC74AMTCX (X3075A00) HD74HC123AFPTR (XL106A00)
  • Page 33 DU1A TC74AC541F (XS344A00) MM74HC573SJX (X3074A00) TC74AC574F(TP1) (XR237A00) CONTROLLER: IC032 PK-CTL: IC16 CONTROLLER: IC016,031 Octal 3-State D-Latches HD74LV541AFPEL (IS054100) HD74LV574AFPEL (IS057400) CONTROLLER: IC036, 039 CONTROLLER: IC037 Octal 3-State Buffer Octal D-Type Flip-Flop Output Output Control Control Clock Clock SN75C1168NSR (XU073A00) MM74HC4040SJX (XY348A00) TC74HC4052AF (XS790A00) CONTROLLER: IC013 CONTROLLER: IC021...
  • Page 34 DU1A MB3763P (XF880A00) RS5C372A-E2 (XU401A00) LA6517 (XM804A00) MN: IC116 CONTROLLER: IC024 MN: IC112 Motor Driver Real Time Clock Dual Low Voltage Power Amplifier Inverting Output A A-IN A-OUT INTRB Input A Non-Inverting A-Vcc OSCIN Input A Inverting OSCOUT Output B B-Vcc Input B Non-Inverting...
  • Page 35 DU1A M62320FP (XU402A00) CONTROLLER: IC023 I/O Expand CS0 CS1 CS2 PIN NO. NAME FUNCTION Serial data output Serial clock input Serial data input/output C BUS Interface Shift Resistor Output Data Input/Output Parallel data input/output Output Data Direction Input Data Ground Latch Resistor Latch...
  • Page 36 DU1A CIRCUIT BOARDS ATAPI (DA) Circuit Board (XY021A0) ......... 47 CD PANEL Circuit Board (XY109A0) ......... 46 CONTROLLER (CTRL) Circuit Board (X0646A0) ......36/37 CTRL IN U Circuit Board (XR146A0) ......... 46 DRIVE A Circuit Board (XL114D0) ......40/41 DRIVE B Circuit Board (XL114D0) ......
  • Page 37 DU1A CONTROLLER (CTRL) Circuit Board BOOT SW Pattern side HP (2/2) Circuit Board HP (1/2) Circuit Board to MN-CN106 to MN-CN105 to MN-CN104 Component side VOLUME HEADPHONES REVERB Component side CONTROLLER (CTRL): V804180 V900040...
  • Page 38 not installed to KEY SENSOR-CN1 to PK-CTL-CN03 to PK-CTL-CN02 to CONTROLLER-CN001 to DSP-CNSWP DIP-SWITCH to SUB POWER SUPPLY-CN6 to HP (1/2)-CN5 to DB-CN1 to OUTPUT-CN1 to HP (2/2)-CN7 to HP (1/2)-CN4...
  • Page 39 DU1A MN Circuit Board Pattern side MN: V798690...
  • Page 40 DU1A DRIVE A Circuit Board Component side CN2: to KEY 25, 57 CN10: to KEY 33, 65 CN18: to KEY 41, 73 CN26: to KEY 49, 81 CN34: to DRIVE A-CN36 CN3: to KEY 26, 58 CN11: to KEY 34, 66 CN19: to KEY 42, 74 CN27:...
  • Page 41 DU1A DRIVE A Circuit Board Pattern side DRIVE B Circuit Board Pattern side DRIVE C Circuit Board Pattern side DRIVE A: VN94030 DRIVE B: VN94030 DRIVE C: VN94030...
  • Page 42 DU1A PWB Circuit Board to SUB POWER SUPPLY-CN2 to PEDAL DRIVE-CN1 to SUB POWER SUPPLY-CN5 to DRIVE A-CN36 Component side to DRIVE C-CN214 PWB: VN54330 (U,APTW models)
  • Page 43 DU1A SUB POWER SUPPLY Circuit Board to OTLT-CN3 to PWB-CB6 to MN-CN108 to PWB-CB1 to TRANSFORMER OUT for over-current protection to TRANSFORMER IN Component side HAMMER SENSOR Circuit Board Component side Pattern side HAMMER SENSOR: VV44080 SUB POWER SUPPLY: V522640 (U,APTW models) V377920 (E,B,APTH,APHK models)
  • Page 44 DU1A KEY SENSOR Circuit Board to PK-CTL-CN02 to HAMMER SENSOR-CN1 to MN-CN2 Component side Pattern side to DRIVE A-CN35 PK-CTL Circuit Board to DRIVE B-CN117 to KEY SENSOR-CN1 to PEDAL SENSOR to MN-CN2 -CNP to DRIVE A-CN37 to CTRL IN U to CONTROLLER-CN001 to DRIVE B-CN101 Component side...
  • Page 45 DU1A DSP Circuit Board to ATAPI-CN2 to ATAPI-CN3 to CONTROLLER-CN002 Component side RESET Pattern side DSP: V525430...
  • Page 46 DU1A PASW Circuit Board CD PANEL Circuit Board DRIVE SELECT Component side to CONTROLLER-CN008 Pattern side CTRL IN U Circuit Board FOOT CNTRL to PK-CTL-CN08 Component side OUTPUT Circuit Board to MN-CN110 Component side CD PANEL: V525530 CTRL IN U: VT83560 OUTPUT: X2641A0 PASW:...
  • Page 47 DU1A OTLT Circuit Board (U,APTW models) to MN-CN109 AC OUTLET to SUB POWER SUPPLY-CN1 AC OUTLET to Mains Power Switch AC IN Component side ATAPI (DA) Circuit Board Component side to DSP-CNA1 to DSP-CNA2 CD-ROM drive ATAPI (DA): V578320 Pattern side OTLT: X2642A0 (U,APTW models)
  • Page 48 DU1A OTLT Circuit Board (E,B,APTH,APHK models) to MN-CN109 AC OUTLET (E,APTH,APHK models) to SUB POWER SUPPLY-CN1 AC OUTLET to Mains Power Switch (E,APTH,APHK models) AC IN Component side HAMMER EMISSION Circuit Board to HAMMER SENSOR-CN3 Component side Pattern side HAMMER EMISSION: V890320 OTLT: X2678A0 (E,B,APTH,APHK models)
  • Page 49 DU1A WRITING NEW PROGRAM TO FLASH MEMORY A new version of the system program may be supplied from time to time in order to improve the functionality and performance of the control unit. The DU1A control unit, key and pedal drive unit, key sensor unit, and MN-PS unit each incorporate a separate CPU, with each unit running under the control of a dedicated program.
  • Page 50 DU1A Power ON + Power on while pushing the [PLAY/PAUSE] button. Starting the UPDATE mode. PLEASE WAIT CONTROLLER C.B. CTRL system V4.41 UPDATE (ENT) When the display appears for the circuit board that you wish to rewrite, push [ENTER] button. PK-CTL C.B.
  • Page 51 DU1A Current virsion New virsion Current virsion New virsion → KS1 V → KS1 V SNSR-SURE? (YES, NO) DSP-SURE? (YES, NO) -/NO +/YES -/NO +/YES → KS1 V → KS1 V DO NOT REMOVE DISK xxxx DO NOT REMOVE DISK xxxx xxxx: countdown xxxx: countdown PLEASE WAIT...
  • Page 52 DU1A TEST MODE Test-Mode + /YES Power + /YES + /YES + /YES ← → —/NO —/NO —/NO —/NO V4.41 Apr 9 2002 UP S 02. 03. 11 V 01.21 020405 Press the Selector button four (4) times. 1 [VOLUME] 2 [TEMPO] 3 [TRANSPOSE] Read Test...
  • Page 53 DU1A MN + A + D ROM V1.50 SENSOR MESSAGE 1.00 02.04.04 '01.07.23...
  • Page 54 DU1A DSP SHEET TEST • DSP sheet program and test program version No. display V 01.21 020405 TEST : V 01.30 010601 • DSP sheet RAM test (There is no memory to clear.) OK ! • DSP sheet Flash Memory Write/Read test (There is no memory to clear.) OK ! •...
  • Page 55 DU1A CONTROL (CTRL) SHEET TEST • CONTROL (CTRL) sheet test screen V4.41 Apr 9 2002 Test & Loader : V1.40 UP S UP S r t y u q Version No. check (Left: controller sheet version No./Right: test program version No.) w Controller type: Self-diagnosis display, cannot change the settings.
  • Page 56 DU1A PK-CTL SHEET TEST • PK-CTL sheet test screen • Version No. display 02. 03. 11 • Pedal-sensing data display The data will be displayed after depressing the pedals. S=020 L=009 (S: Shift pedal/L: Loud pedal) • Foot controller test Switch type: ON (depress)/OFF (release) SW Type ON Volume type: 30 ~ 100% (use the foot pedal)
  • Page 57 DU1A MN SHEET TEST • MN sheet test screen • Version No. display MN + A + D ROM V1.50 '01.07.23 ERROR HISTORY • The error conditions will be displayed. LOUD PEDAL TIME OUT COUNT=002 SOFT PEDAL TIME OUT COUNT=001 •...
  • Page 58 DU1A ERROR MESSAGES While operating your Disklavier an error message may appear in the display. If an error message appears, refer to the table below for an explanation of the message. Note: This table does not explain every error message. PianoSoft songs are write-protected and cannot be re-recorded.
  • Page 59 DU1A In order to be copied, the destination disk must be the same format as the floppy disk. You must select the track you want to record before recording. Only E-SEQ files can be recorded onto an E-SEQ type disk. The disk may be damaged.
  • Page 60 DU1A TROUBLESHOOTING If you are having difficulty operating your Disklavier, see if any of the symptoms listed below apply to your problem and follow the recommended remedy. Power • If a song number higher than the last song number on the disk is specified, the last song will be selected.
  • Page 61 DU1A Tone Generator (Ensemble Playback) Disk Utilities During Ensemble song playback, the Ensemble parts You cannot copy a song in the Memory Disk onto a floppy cannot be heard. disk. • Make sure that the amp’s volume control is set to an •...
  • Page 62 DU1A RESETTING YOUR DISKLAVIER If you want to return your Disklavier to its initial factory settings, follow the Reset function below. You can reset all settings, the Memory Disks, or both. Forced Reset Specify a disk. When the message “UNFORMATTED MEMORY DISK” appears, When you select a Memory Disk, the reset function will this indicates that all Memory Disks are damaged.
  • Page 63 DU1A MIDI IMPLEMENTATION CHART YAMAHA [Disklavier] Date : 01-Feb-2000 Model: Mark III Full-Function Version : 1.00 Function... Transmitted Remarks Recognized Basic Default 1-16 1-16 Memorized Channel Changed 1-16 1-16 Default × Mode Messages 3, 4 (m=1) *2, *3 × Altered...
  • Page 64 PIANO MAINTENANCE PART YAMAHA DISKLAVIER-SILENT UPRIGHT PIANO DU1A Since Yamaha hybrid piano series were introduced into the market in 1987, there have been 2 service materials for each piano technicain (Maintenance hand books) and electronic technician (service manuals). The both materials are unified now and will be issued as new service manuals.
  • Page 65 DU1A BEFORE REMOVING THE ACTION Disconnect the connectors before the action is removed. (Fig.1) Fig. 1 8 STEP MAINTENENCE for the PIANO TECHNICIAN (Minimum 4 are necessary.) Check if the hammer shank stopper do not disturb the dampers or hammers STEP 1 movement during normal playing.
  • Page 66 DU1A STEP 3 Turn on the POWER and check if all 88 keys sound correctly through headphones. (The standard volume position is 3 o'clock.) Depress the right pedal and play some notes to check electronic sustain function. --> OK STEP 4 Check first that if the black shutter is not damaged by taking out the keyboard when some notes sound incorrectly.
  • Page 67 DU1A STEP 5 Recording test: Use an empty formatted floppy disk or formatted internal flash memory. Record : REC (Stand by) button --> Play (Rec.mode) button --> Play through all 1-88keys --> Depress loud (right) pedal and soft (lent) pedal --> Stop button Playback: Playback button -->...
  • Page 68 DU1A Shank stopper unit adjustment Shank stopper lever Fig. 11 Fig. 12 Silent ON MD lever Silent OFF When the silent function is turned ON and turned OFF, both the shank stopper lever and the MD lever will stop by touching each stroke end. (Fig.11,12) If either of them doesn't touch its end, there is stroke loss of shank stopper move.
  • Page 69 DU1A TEST MODE (Sensor test) By using test mode, key sensor test/adjustment and hammer sensor test/adjustment can be done. This is normally used after replacing hammer/key sensor. The keys that sound unusually or nothing in the STEP 3 need to be checked by this mode as well. Key sensor test/adjustment TEST MODE -->...
  • Page 70 DU1A CONFIRM THE SYMPTOMS In order to get more information or replacing parts about these models, Yamaha service desk reqires the correct model name and serial number. (Sometimes electorical serial number and the sensor or tone generator version.) Refer to the sticker on the bottom of the switch box under the keybed.
  • Page 71 DU1A MAINTENANCE MODE (MENU) PRESS Power ON P (Playback Models) MAINTENANCE R (Full-function Models) MODE UPSR S (with Silent) PRESS button Important test item 1. Minimum-pressure single-note check. TEST ***** ***** Playability check PLAY 13. Sustain pedal (Half pedal) time check. ***** ***** 14.15.
  • Page 72 DU1A For discribing the position for parts or explaining the symptoms. (DU1A) Fig. 17...

  • Page 73: Table Of Contents

    (Mark 3 ) DU1A PARTS LIST CONTENTS UNIT COMPARISON ............... 2 OVERALL ASSEMBLY ............. 3 S-RAIL MD ASSEMBLY ............7 CONTROL UNIT ............... 8 PANEL UNIT ................11 MN-PS UNIT ................12 HAMMER SENSOR UNIT ............14 KEY SENSOR UNIT ............... 16 KEY DRIVE UNIT ..............

  • Page 74: Unit Comparison

    DU1A UNIT COMPARISON U,APTW models E,APTH,APHK models B model Black White Black White Black White 1. Control Unit (V523820) (V565730) (V523820) (V565730) (V523820) (V565730) 1-1. Panel Unit CD (V525540) (V568150) (V525540) (V568150) (V525540) (V568150) Panel V3187500 V5682300 V3187500 V5682300 V3187500 V5682300 ←...

  • Page 75: Overall Assembly

    DU1A OVERALL ASSEMBLY Control unit: See page 8 Front view S-Rail MD assembly: See page 7 031S 057S 056S 130 130a 117S 261S 142S Pedal drive unit: See page 22 U,APTW (Black) 091S models 311S 311S U,APTW (Black) MN-PS unit: models See page 12 E view...
  • Page 76 DU1A Right side view 252S B view Low sound side U,APTW models 211S 221S Key sensor unit: See page 16 041S 061S 025S 022S A view Outlet assembly: See page 25 111S 021S Hammer sensor unit: 024S C view See page 14 241S 242S High sound side Low sound side...
  • Page 77 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK OVERALL ASSEMBLY DU1A Overall Assembly Black model (V900010) Overall Assembly Black model (V900020) Overall Assembly Black model (V908690) Overall Assembly White model (V908710) Overall Assembly White model (V908720) Overall Assembly White model (V908730) Overall Assembly Black model...
  • Page 78 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK Spacer (V798550) Sling Bracket (V798060) Caution Label GRANTOUCH U,APTW (V235520) Label, Adj. of the P.D.U. (VP84550) Label (V217880) V4806200 Stopper Rubber V9071600 Hammer Shutter UP N V8891900 Key Shutter UP-SEP P01 Support, Stand Cover Black model U,APTW (V596960)

  • Page 79: S-Rail Md Assembly

    DU1A S-RAIL MD ASSEMBLY Top view Front view Right side view PART NO. DESCRIPTION REMARKS REF NO. RANK S-RAIL MD ASSEMBLY DU1A S-Rail MD Assembly (V798160) V8107500 MD Bracket Assembly Rail Stay R (V798190) EG340220 Bind Head Screw 4.0X8 MFZN2BL V7980800 Motor Unit VR403100...

  • Page 80: Control Unit

    DU1A CONTROL UNIT C232G C300 C233G C222G C302G C301G C220 C221 C210 C234 C230 C240 C201G C301G C260 C200 C211G C234G C231G C211G C250 C261G C270 C150 C141G C101G C140 C102G C120 C110 C100 Panel unit: See page 11 Sounder assembly...
  • Page 81 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK CONTROL UNIT DU1A Control Unit Black DKC55RCD 120 Black model (V523820) Control Unit White DKC55RCD 120 White model (V565730) V3188000 Bottom Chassis Black model V5681400 Bottom Chassis White White model Panel Unit CD Black DKC55RCD Black model (V525540)
  • Page 82 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK VP234100 C301G Flat Head Screw 4.0X10 MFZN2BL Black model 03750320 C301G Flat Head Screw 4.0X10 MFNI33 White model VR060400 C302G Bonding Tapping Screw-C 3.0X6 MFZN2BL Black model VY659600 C302G Bonding Tapping Screw-C 3.0X6 MFNI33 White model : New Parts...

  • Page 83: Panel Unit

    DU1A PANEL UNIT V3187500 Panel, Black model [10] V5682300 Panel, White model [10] PART NO. DESCRIPTION REMARKS REF NO. RANK PANEL UNIT DU1A Panel Unit CD Black DKC55RCD Black model (V525540) Panel Unit CD White DKC55RCD White model (V568150) V3187500 Panel Black model V5682300...

  • Page 84: Mn-Ps Unit

    DU1A MN-PS UNIT Top view 70 70a 70b 70c 70d Front view 74 74a 75 75a...
  • Page 85 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK MN-PS UNIT DU1A MN-PS Unit WITH DB U,APTW (V898260) MN-PS Unit WITH DB E,B,APTH,APHK (V900860) Angle MN.LL (V880360) VB582500 Cord Binder #04054 CB817510 Cord Binder S-14B Angle Bracket MN LL (V880380) V7986900 Circuit Board CB817510 Cord Binder...
  • Page 86 Front view 150G 124G Rear view 125G 125G 125G Right side view Before circuit board installation Receiver Emission...

  • Page 87: Hammer Sensor Unit

    DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK HAMMER SENSOR UNIT DU1A V9043200 Hammer Sensor Unit Hammer Sensor Bracket (V906450) Hammer Sensor Head UPSEP HF A (V895940) VT481300 Receiver Plug Receiver Plug (V906690) VN371200 Optical Fiber 0 0.5 VV440700 Circuit Board HAMMER SENSOR V8903200 Circuit Board...
  • Page 88 Top view Right side view Front view A view Fiber wiring Emission Receiver side side...

  • Page 89: Key Sensor Unit

    DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK KEY SENSOR UNIT DU1A V9444200 Key Sensor Unit KS1 U1 Key Sensor Bracket (V797740) Sensor Head (V797750) Plug AS 1.2mm (V708030) VN371200 Optical Fiber 0 0.5 V8968400 Circuit Board KEY SENSOR Key Sensor Spring Holder (V706860) Key Sensor Holder (V889160)

  • Page 90: Key Drive Unit

    DU1A KEY DRIVE UNIT 50 51 54 55 50 51 54 55...
  • Page 91 Top view Right side view Front view 1key~ ~88key 24 24a U10 type only Bottom view...
  • Page 92 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK KEY DRIVE UNIT DU1A V8998200 Key Drive Unit Lower Yoke (VZ32960) Upper Yoke (VZ32970) Upper Yoke (VZ32980) Upper Yoke (VZ32990) Upper Yoke (VZ33000) Upper Yoke (VZ33010) Upper Yoke (VZ33020) V5202200 Circuit Board PK-CTL VN588200 Circuit Board...

  • Page 93: Switch Box Unit

    DU1A SWITCH BOX UNIT Rear view Left side view Top view Front view PART NO. DESCRIPTION REMARKS REF NO. RANK SWITCH BOX UNIT DU1A Switch Box Unit (V899830) V8888700 Switch Box V9000400 Circuit Board CB028970 Knob Black VOLUME,REVERB CB826590 Foot SJ-5023 VT836500 Circuit Board...

  • Page 94: Pedal Drive Unit

    DU1A PEDAL DRIVE UNIT Pedal solenoid assembly For U1 For U3 Lock solenoid...
  • Page 95 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK PEDAL DRIVE UNIT DU1A VN593800 Pedal Drive Unit (MD2007Y) Pedal Solenoid Assembly (MD2006Y2) CX815580 Bush CX815590 Actuator AX816800 Ring AX816810 AX816820 Block AX816830 Clamp CX815600 Gray Scale, GP SOFT Pan Head Screw M4.0X4 CX815610 Cushion...

  • Page 96: Pedal Sensor Unit

    DU1A PEDAL SENSOR UNIT Top view Front view PART NO. DESCRIPTION REMARKS REF NO. RANK PEDAL SENSOR UNIT DU1A Pedal Sensor Unit (V899850) V9000500 Connector Assembly PEDAL SENSOR 6P NB037050 Switch Assembly Silent pedal switch VT106200 Sensor Stay VH553800 Bind Head Tapping Screw-S 3.0X12 MFZN2Y : New Parts RANK: Japan only...

  • Page 97: Outlet Assembly

    DU1A OUTLET ASSEMBLY U,APTW models Front view Right side view Red to gray Black to gray Red to orange Black to orange 13 13a...
  • Page 98 DU1A E,APTH,APHK models Front view Right side view Red to gray Black to gray Red to orange Black to orange...
  • Page 99 DU1A B model Front view Right side view Red to gray Black to gray Red to orange Black to orange 13 13a...
  • Page 100 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK OUTLET ASSEMBLY DU1A V9009800 Outlet Assembly Black model U,APTW V9009900 Outlet Assembly Black model E,APTH,APHK V9397200 Outlet Assembly Black model V9089900 Outlet Assembly White White model U,APTW V9090000 Outlet Assembly White White model E,APTH,APHK V9397500 Outlet Assembly White...

  • Page 101: Electrical Parts

    DU1A ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. RANK ELECTRICAL PARTS DU1A V5255500 Circuit Board ATAPI (V578320)(XY021A0) V5255200 Circuit Board CD PANEL (V525530)(XY109A0) V8078300 Circuit Board CONTROLLER (V804180) (X0646A0) VT836500 Circuit Board CTRL IN U (VT83560)(XR146A0) V3069000 Circuit Board (V263610)(XV176C0) VN588200 Circuit Board...
  • Page 102 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK US145100 -0035 Ceramic Capacitor-F (chip) 0.1000 25V Z VU544900 C0036 Super Cap. 1F5.5V EECS5R5H105 US145100 C0037 Ceramic Capacitor-F (chip) 0.1000 25V Z US145100 -0039 Ceramic Capacitor-F (chip) 0.1000 25V Z US061130 C0040 Ceramic Capacitor-CH(chip) 13P 50V J US061130...
  • Page 103 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK X0565A00 IC027 HN29W12811T FLASH ROM 128M XI939A00 IC029 HD63266F XR237A00 IC031 TC74AC574F(TP1) D-FF XS344A00 IC032 TC74AC541F BUFFER VN516800 IC033 Transistor Array LB1215 VN516900 IC034 Transistor Array LB1211 IS054100 IC036 HD74LV541AFPEL BUFFER IS057400 IC037 HD74LV574AFPEL D-FF...
  • Page 104 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK RD357100 R0100 Carbon Resistor (chip) 10.0K 63M J RD358270 R0101 Carbon Resistor (chip) 270.0K 63M J RD358120 R0102 Carbon Resistor (chip) 120.0K 63M J HF754820 R0103 Carbon Resistor 82.0 1/4 J RD350000 R0104 Carbon Resistor (chip) 0 63M J...
  • Page 105 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK FZ006970 LC Filter MTY223NBTBM LB918030 Base Post Connector XH 3P TE VB508600 Hexagonal Nut 12.0X14X2 MFZN2BL V3069000 Circuit Board (V263610)(XV176C0) VN588200 Circuit Board DRIVE A (VN94030)(XL114D0) UI538100 Electrolytic Cap. 100.00 16.0V UB245100 Monolithic Ceramic Cap.
  • Page 106 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK  VP497600 Transistor Array PU4162   VP497600 Transistor Array PU4162 VN588400 Circuit Board DRIVE C (VN94030)(XL114D0) VN715400 Mylar Capacitor 0.1000 250V K VN715400 Mylar Capacitor 0.1000 250V K UB245100 C102 Monolithic Ceramic Cap. F 0.100 25V Z VN808600 Connector Base Post...
  • Page 107 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK US135100 -004 Ceramic Capacitor-F (chip) 0.1000 16V Z US135100 CRS01 Ceramic Capacitor-F (chip) 0.1000 16V Z UF037100 CRST1 Electrolytic Cap. (chip) 10 16V US135100 CRST2 Ceramic Capacitor-F (chip) 0.1000 16V Z US135100 CS001 Ceramic Capacitor-F (chip) 0.1000 16V Z...
  • Page 108 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK RD350000 RBCL0 Carbon Resistor (chip) 0 63M J RD350000 RBFD0 Carbon Resistor (chip) 0 63M J RD357100 RCDL1 Carbon Resistor (chip) 10.0K 63M J RD356360 RCDL2 Carbon Resistor (chip) 3.6K 63M J RD357100 RCDR1 Carbon Resistor (chip)
  • Page 109 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK RD355470 RRST4 Carbon Resistor (chip) 470.0 63M J RD354820 RSCLK Carbon Resistor (chip) 82.0 63M J RD354820 RSDA0 Carbon Resistor (chip) 82.0 63M J RD350000 RSDTO Carbon Resistor (chip) 0 63M J RD354820 RSLR0 Carbon Resistor (chip)
  • Page 110 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK RD354470 RIRQ Carbon Resistor (chip) 47.0 63M J RD357100 RIRQ1 Carbon Resistor (chip) 10.0K 63M J RD254100 Carbon Resistor (chip) 10.0 0.1 J VI192000 Metal Film Resistor (chip) 62.0 1/10 D VI192000 Metal Film Resistor (chip) 62.0 1/10 D RD354470...
  • Page 111 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK US062120 Ceramic Capacitor-SL(chip) 120P 50V J US135100 CCP01 Ceramic Capacitor-F (chip) 0.1000 16V Z US135100 CCP02 Ceramic Capacitor-F (chip) 0.1000 16V Z US064100 CCP04 Ceramic Capacitor-B (chip) 0.0100 50V K UF066100 CCP05 Electrolytic Cap.
  • Page 112 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK RE044680 RAY01 Resistor Array 68X4 RE044680 Resistor Array 68X4 RD354470 RB000 Carbon Resistor (chip) 47.0 63M J RD354470 RB002 Carbon Resistor (chip) 47.0 63M J RD354470 RB004 Carbon Resistor (chip) 47.0 63M J RD354470 -007 Carbon Resistor (chip)
  • Page 113 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK US062100 C0063 Ceramic Capacitor-SL(chip) 100P 50V J UR848470 C0064 Electrolytic Cap. 470.00 25.0V UF138220 C0066 Electrolytic Cap. (chip) 220 16V UUR1C2 US145100 C0067 Ceramic Capacitor-F (chip) 0.1000 25V Z US145100 C0068 Ceramic Capacitor-F (chip) 0.1000 25V Z US062100 C0071...
  • Page 114 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK US062330 C0278 Ceramic Capacitor-SL(chip) 330P 50V J US062330 -0285 Ceramic Capacitor-SL(chip) 330P 50V J US145100 C0286 Ceramic Capacitor-F (chip) 0.1000 25V Z US145100 C0287 Ceramic Capacitor-F (chip) 0.1000 25V Z UF066100 C0289 Electrolytic Cap.
  • Page 115 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK RD357100 R0009 Carbon Resistor (chip) 10.0K 63M J RD357100 -0013 Carbon Resistor (chip) 10.0K 63M J RD357470 R0014 Carbon Resistor (chip) 47.0K 63M J RD357470 -0017 Carbon Resistor (chip) 47.0K 63M J RD357100 R0018 Carbon Resistor (chip)
  • Page 116 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK RD356100 -0117 Carbon Resistor (chip) 1.0K 63M J VT574000 R0118 Metal Oxide Film Resistor 15.0 3W J RD356330 R0201 Carbon Resistor (chip) 3.3K 63M J RD356220 R0202 Carbon Resistor (chip) 2.2K 63M J RD357100 R0203 Carbon Resistor (chip)
  • Page 117 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK Jumper Wire L=20.0mm (VY94720) LB932050 Base Post Connector VH 5P TE LB932040 Base Post Connector VH 4P TE LB918030 Base Post Connector XH 3P TE VB941200 Diode 1SS133,1SS176 U,E,APTW,APTH,APHK VT454900 Fuse T 1A JU U,APTW KB000710 Fuse...
  • Page 118 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK VV439800 SW13 Tact Switch SKQNAJ VV439800 SW14 Tact Switch SKQNAJ VV439800 SW15 Tact Switch SKQNAJ STOP VV439800 SW16 Tact Switch SKQNAJ PLAY/PAUSE NX551060 Circuit Board PEDAL DRIVE (MD2006Y55) NX551070 Circuit Board PEDAL SENSOR (MD2006Y54) V5202200 Circuit Board...
  • Page 119 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK X3073A00 IC10 MM74HC08SJX XL122A00 IC13 PST572CMT-R SYSTEM RESET X3073A00 IC14 MM74HC08SJX XD672A00 IC15 NJM2903M(T1) OP AMP X3074A00 IC16 MM74HC573SJX LATCH X3075A00 IC18 MM74HC74AMTCX D-FF VT620400 Chip Inductance BLM21A102SPT RD254220 Carbon Resistor (chip) 22.0 0.1 J RD254220 Carbon Resistor (chip)
  • Page 120 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK VP615600 Zener Diode RD62P-T2 62V V5226400 Circuit Board SUB POWER SUPPLY U,APTW (XV955B0) V3779200 Circuit Board SUB POWER SUPPLY E,B,APTH,APHK (XV955B0) Jumper Wire L=15.5mm (VZ10940) Label U,APTW (V523310) VB659000 Bind Head Screw 3.0X8 MFZN2BL VD287800 Semiconductive Cera.
  • Page 121 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK VO035100 C0004 Capacitor 0.220 250V U.C.S U,APTW VN921600 C0004 Capacitor 1.000 250V U.C.S E,B,APTH,APHK  FI383220 C0005 Capacitor 2200P 400V U.C.S.V  V5090300  C0005 Capacitor-KH 2200P 250V U.C.S.V VV192900  C0006 Capacitor-KC 4700P 400V J.U.C.S E,B,APTH,APHK...
  • Page 122 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK VN793100 F0007 Fuse K19374 3.15A 250V U,APTW VN792600 F0007 Fuse K19372 2.0A 250V E,B,APTH,APHK VP604000 L0001 Coil ELF-18D650C 8.2mH E,B,APTH,APHK VP234300 L0002 Coil ELF-18D850C2X8.2mH U,APTW VN398100 L0002 Coil SC-02-300JV 2X44mH E,B,APTH,APHK VN433600 L0003 Choke Coil BP-074 200uH...
  • Page 123 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK HF453100 R0051 Carbon Resistor 1.0 1/4 J HV754270 R0052 Flame Proof C. Resistor 27.0 1/4 J VP265300 R0053 Wire Wound Resistor 6.8 5W K HV755390 R0054 Flame Proof C. Resistor 390.0 1/4 J HV758100 R0056 Flame Proof C.
  • Page 124 DU1A PART NO. DESCRIPTION REMARKS REF NO. RANK VH785100 Switch SDDT-DPST J.U.C.S. U,APTW: MAINS V9555800 Push Switch SDDFC30300 E,B,APTH,APHK: MAINS NB037050 Switch Assembly Silent pedal switch VG927300 Thermostat Key drive NX510080 Thermostat Pedal drive (MD2006Y7) VR403100 Motor RB-35CGM-N476-12 : New Parts RANK: Japan only...
  • Page 125 DU1A DU1A OVERALL CIRCUIT DIAGRAM 1/5 (MN, DB, HP, OTLT, OUTPUT) EPROM 16M DRAM 4M not installed NAND RAM 1M not installed not installed ROM 1M DIP-SWITCH : not installed to KEY SENSOR-CN1 to PK-CTL - CN02 SWX00B Photo Coupler REGULATOR +3.3V WAVE L 64M SWP30...
  • Page 126 DU1A DU1A OVERALL CIRCUIT DIAGRAM 2/5 (CONTROLLER, PASW, CD PANEL) (CTRL) CONTROLLER REGULATOR +3.3V CONTROL UNIT DKC55RCD G E N E R A L FLASH ROM 16M BUFFER SYSTEM RESET DRAM 16M INVERTER FLASH ROM 128M D-FF LCD DRIVE BUFFER BUFFER PASW INVERTER...
  • Page 127 DU1A DU1A OVERALL CIRCUIT DIAGRAM 3/5 (DSP,ATAPI) to CONTROLLER-CN002 Photo Coupler TRANSCEIVER SRAM 1M TRANSCEIVER FLASH MEMORY INVERTER For RESET INVERTER SYSTEM RESET INVERTER LINE DRIVER MULTIPLEXER AUDIO/ANALOG MIDI IN CD CONTROL to MN - CN12 OP AMP INVERTER INVERTER ADC&DAC INVERTER OP AMP...
  • Page 128 DU1A DU1A OVERALL CIRCUIT DIAGRAM4/5 (DRIVE A(1), DRIVE A(2), DRIVE B, DRIVE C, PWB, PK-CTL, SUB POWER SUPPLY, PEDAL DRIVE, PEDAL SENSEOR, CTRL IN U) DRIVE C DRIVE B DRIVE A DRIVE A TRANSISTOR ARRAY TRANSISTOR ARRAY TRANSISTOR ARRAY TRANSISTOR ARRAY YM3421-F YM3421-F YM3421-F...
  • Page 129 DU1A DU1A OVERALL CIRCUIT DIAGRAM 5/5 (KEY SENSOR, HAMMER EMISSION, HAMMER SENSOR) KEY SENSOR HAMMER EMISSION OP AMP Transistor Array V890320 SYSTEM RESET INVERTER OP AMP to PK-CTL - CN02 to MN - CN2 HAMMER SENSOR Photo Coupler Parts inside of are not installed.
  • Page 130 DU1A DU1A BLOCK DIAGRAM, WIRING BLOCK DIAGRAM to CONTROL UNIT HAMMER SENSOR UNIT KEY SENSOR UNIT CONTROL UNIT (CTRL) D(00-15) 1MHz D-FF PK-CTL KEY SENSOR 8MHz SENS FLASH FLASH SHRxD0 DRAM BUFFER IC037 SOSTENUTE MEMORY (20P) (10P) 128M IC039 (14P) IC027 IC018 IC015...
  • Page 131 Appendix MIDI Data Format If you are familiar with MIDI, or are using a computer to control your music software with computer- generated MIDI messages, the data provided in this section can help you to control your Disklavier. Messages include those that can be received by the piano part and/or those that can be received by an ESBL part.
  • Page 132 Cntrl# Parameter Data Range mm : $00 - $40 - $7F (-64 - 0 - +63) Release Time 0...127 EG Attack Time (0:-64, 64:+0, 127:+63) mm : $00 - $40 - $7F (-64 - 0 - +63) EG Decay Time 1.2.14 Attack ...
  • Page 133 Pitch  Bend Reset All Controllers All Note Off (ESBL Part) Omni Off When Multi Part Parameter Rcv PITCH BEND CHANGE=OFF, Omni On pitch bend for that part is not received. 0 ~ 16 Mono Channel  Aftertouch Poly (ESBL Part) 1.2.23.1 All  Sound  Off Polyphonic ...
  • Page 134 XG mode. 11110000 Exclusive status When this happens, the ESBL part will receive the MIDI 01000011 YAMAHA ID messages which compatible with GM System Level 1, and 0001nnnn Device Number consequently will not receive NRPN and Bank Select messages.
  • Page 135 0aaaaaaa aaaaaaa Address Low Transmission 0ddddddd Data Transmitted. b) Reception Once FE has been received. if no MIDI data is subsequently 0ccccccc ccccccc Checksum received for longer than an interval of approximately 11110111 End of Exclusive 300msec. the Disklavier will perform the same function as 2.2.2.1 QS300 ...
  • Page 136 <Table 1-3> MIDI Parameter Change table (EFFECT 1) [XG] Address Size Data Parameter Description Default value 00-7F REVERB TYPE MSB see Effect Type List 01(=HALL1) 00-7F REVERB TYPE LSB 00 : basic type 00-7F REVERB PARAMETER 1 see Effect Parameter List Depends on reverb type 00-7F REVERB PARAMETER 2 ’’...
  • Page 137 00-01 VARIATION CONNECTION 0:INSERTION, 1:SYSTEM 00-0F,7F VARIATION PART Part1...16(0...15) 0FF (127) 00-7F MW VARIATION CONTROL DEPTH -64 - +63 00-7F BEND VARIATION CONTROL DEPTH -64 - +63 00-7F CAT VARIATION CONTROL DEPTH -64 - +63 00-7F AC1 VARIATION CONTROL DEPTH -64 - +63 00-7F AC2 VARIATION CONTROL DEPTH...
  • Page 138 00 - 01 Rcv CONTROL CHANGE 0/OFF, 1/ON 00 - 01 Rcv POLY AFTER TOUCH (PAT) 0/OFF, 1/ON 00 - 01 Rcv NOTE MESSAGE 0/OFF, 1/ON 00 - 01 Rcv RPN 0/OFF, 1/ON 00 - 01 Rcv NRPN 0/OFF, 1/ON XG=01, GM=00 00 - 01 Rcv MODULATION...
  • Page 139 <Table 1-5> MIDI Parameter Change table (DRUM SETUP) [XG] Address Size Data Parameter Description Default 00 - 7F PITCH COARSE -64 - +63 00 - 7F PITCH FINE -64 - +63 [cent] 00 - 7F LEVEL 0 - 127 Depends on the note 00 - 7F ALTERNATE GROUP 0/OFF, 1 - 127 ’’...
  • Page 140 20-60 Note Shift 0E -72 Detune 00-05 Pitch Scaling 0:100%, 1:50%, 2:20%, 3:10%, 4:5%, 5:0% 00-7F Pitch Scaling Center Note 00-03 Pitch EG Depth 0:1/2oct, 1:1oct, 2:2oct, 3:4oct 39-47 Velocity PEG Level Sensitivity 39-47 Velocity PEG Rate Sensitivity 39-47 PEG Rate Scaling 00-7F PEG Rate Scaling Center Note 00-3F...
  • Page 141 XG Normal Voice List Bank Select MSB = 000, LSB = Bank Number Voice names in bold typeface are voices that can be selected in the Disklavier. The Disklavier can produce all the voices listed below, but can only display bank 0 voices. Instrument Program Bank Instrument Program Bank Instrument Bank...
  • Page 142 Bank Select MSB = 064, LSB = 000 SFX Voice MSB=064 Instrument Bank Instrument Bank Instrument Bank Program MSB=064 Program Ele- Program Ele- Program Ele- Program Ele- Ele- Voice Name Voice Name Voice Name Group Group Group LSB=000 ment ment ment LSB=000 ment ment Reed SprnoSax Synth Pad ChoirPad Ethnic Sitar...
  • Page 143 TG300B Normal Voice List Bank Select MSB = Bank Number, LSB = ooo Instrument Program Bank Ele- Instrument Bank Ele- Instrument Bank Ele- Instrument Bank Ele- Program Program Program Voice Name Voice Name Voice Name Voice Name Group ment Group ment Group ment Group ment Piano GrandPno Organ DrawOrgn Guitar Mute.Gtr...
  • Page 144 Instrument Bank Ele- Instrument Bank Ele- Instrument Bank Ele- Instrument Bank Ele- Program Program Program Program Voice Name Voice Name Voice Name Voice Name Group Group Group Group ment ment ment ment Brass Trumpet Synth Lead SquareLd Synth Rain Percussive TnklBell Trumpet2 Square 2...
  • Page 145 XG Drum Voice List Bank Select MSB = Bank Number, LSB = 000 Drum kit names in bold typeface are those that can be selected in the Disklavier. Bank Program # Note# Note Key Alternate Standard Kit Standard2 Kit Room Kit Rock Kit Electro Kit Analog Kit Jazz Kit Brush Kit Classic Kit SFX 1...
  • Page 146 TG300B Drum Voice List Program # Note# Note Alternate Standard Kit Room Kit Power Kit Electro Kit Analog Kit Jazz Kit Brush Kit Orchestra Kit SFX Set C/M Kit assign Snare Roll Finger Snap Hi Q Hi-Hat Closed Whip Slap Hi-Hat Pedal Scratch Push Hi-Hat Open...
  • Page 147 Effect Type List Exclusive Effect Type Description REVERB NO EFFECT Effect turned off. HALL1 Reverb simulating the resonance of a hall. HALL2 Reverb simulating the resonance of a hall. ROOM1 Reverb simulating the resonance of a room. ROOM2 Reverb simulating the resonance of a room. ROOM3 Reverb simulating the resonance of a room.
  • Page 148 Effect Parameter List No Parameter Range Value Con- No Parameter Range Value Con- Table trol Table trol ECHO HALL1, HALL2, ROOM 1, 2, 3, STAGE 1, 2, PLATE 1 Lch Delay1 0.1~355.0ms 1-3350 Reverb Time 0.3~30.0s 0-69 table#4 -63~+63 1-127 Diffusion 0~10 0-10 Lch Feedback Level 3 Rch Delay1 0.1~355.0ms 1-3550 Initial Delay...
  • Page 149 No Parameter Range Value Con- No Parameter Range Value Con- Table trol Table trol KARAOKE 1, 2, 3 ROTARY SPEAKER 1 Delay Time 0~127 0-127 table#7 1 LFO Frequency 0.00~39.7Hz 0-127 table#1 • 2 Feedback Level -63~+63 1-127 2 LFO Depth 0~127 0-127 3 HPF Cutoff Thru~8.0kHz 0-52 4 LPF Cutoff...
  • Page 150 No Parameter Range Value Con- No Parameter Range Value Con- Table trol Table trol DISTORTION, OVERDRIVE 2-BAND EQ 1 Drive 0~127 0-127 • 50Hz~2.0kHz 8-40 table#3 EQ Low Frequency 50Hz~2.0kHz 8-40 table#3 2 EQ Low Gain -12~+12dB 52-76 EQ Low Frequency 3 EQ Low Gain -12~+12dB 52-76 500Hz~16.0kHz...
  • Page 151 Effect Data Assign Table Table#1 Table#3 Table#4 Table#2 LFO Frequency (Hz) Modulation Delay Offset (ms) EQ Frequency (Hz) Reverb Time (ms) Data Value Data Value Data Value Data Value Data Value Data Value Data Value Data Value Data Value Data Value 0.00 1.81...

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