Yamaha disklavier Mark III Series Maintenance Handbook Download

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Grand Piano

Mark III Series

MAINTENANCE HANDBOOK

FOR THE PIANO TECHNICIAN

MHB18

00.06 CR Printed in Japan

Summary of Contents for disklavier Mark III Series

Page 1: ...Grand Piano Mark III Series MAINTENANCE HANDBOOK FOR THE PIANO TECHNICIAN MHB18 00 06 CR Printed in Japan...

Page 2: ...only 2 Expanded memory and programs all models 3 SmartKey System on full function models only NEW UNITS 13 1 Controller 2 Key Sensor 3 Key Drive Unit 4 Amplifier Unit 5 Shank Stopper UNIT DIAGRAM MOU...

Page 3: ...ts have been added FEATURES The MARK III series product line is a simplified reorganization of the MARK II XG Grand Piano product line Mark III models are arranged in accordance with acoustic models a...

Page 4: ...the DGP1 into silent mode will not cause the keyboard to produce sound from the internal tone generator The silent system is provided for playback only it allows the user to switch from acoustic to di...

Page 5: ...ction models Same as full function models above except that the following unit is added 1 beam 4 point hammer sensor Underside diagrams for all models Locations on different models as viewed from bott...

Page 6: ...ect songs In Play mode Used to fast preview and review In Pause mode Used to fast forward and reverse 0 PART L R buttons For L R and Ensemble songs these buttons allow you to choose which part to play...

Page 7: ...ONTROL CABLE FOR PIANO Used to connect the control cable from the piano 4 MIDI OUT Used to connect external MIDI equipment for outputting MIDI data 5 MIDI IN Used to connect external MIDI equipment fo...

Page 8: ...ONG SELECT REV FWD buttons In Stop mode Used to select songs In Play mode Used to fast preview and review In Pause mode Used to fast forward and reverse D PART L R buttons For L R and Ensemble songs t...

Page 9: ...ect audio equipment such as an external CD changer 3 TO HOST serial port Used to connect the Disklavier with a personal com puter 4 HOST SELECT Used to select the host computer connected to the TO HOS...

Page 10: ...nectors 6 BASS knob Used to adjust the bass sound of the built in speakers 7 TREBLE knob Used to adjust the treble sound of the built in speakers 8 Foot Controller connector Connect the optional YAMAH...

Page 11: ...ed 3 VOLUME knob Used to adjust the volume level of the digital piano and internal XG tone generator in the Silent system 4 HEADPHONES jacks Connect HPE 170 stereo headphones optional or other standar...

Page 12: ...DI Connector Lower level CTRL Sheet FDD L R CD Control Upper level DKC55RCD only DSP Sheet CD Drive Amplifier Assembly Power Supply Unit FU Assembly Transformer Switch AC Inlet Lower level Jack Assemb...

Page 13: ...t Keyrecord Play S Hammer Record Play S Piano Type DGA1 DGP1 DA1A DGH1BA DC1A DC2A DC3A DC7A Control Compact Type DKC55 Compact Type DKC55 Compact DKC55RCD Compact DKC55RCD CD drive CD drive EMK 16MB...

Page 14: ...rious types of automated playback sequences as indicated below Note Users are free to copy copy protected songs from commercial disc media into the internal memory disks but cannot recopy or dub the p...

Page 15: ...Disklavier has an internal calendar that can be set from 1 1 1985 00 00 00 to 12 31 2084 23 59 59 Set the calendar accurately so that the Disklavier displays the correct current time during Stop mode...

Page 16: ...eam continuous position optical sensor This sensor provides a sensor calibration function When the key sensor unit is manufactured the change in the beam as the shutter moves from its open to its clos...

Page 17: ...volume from the con trol box and switch box 5 Shank Stopper The shank stopper s drive motor MD unit is mounted on the right rear of the key bed The motor drives both the shank stopper and the regulati...

Page 18: ...sor for Playback Only models HP SHEET SPEAKER L SPEAKER R Switch Box JACK SHEET Amplifier MA120 KEY SENSOR XG DB51 Fuse FU SHEET Power Supply PS UNIT MD SHEET MN SHEET HAMMER SENSOR C3 C7 ONLY KEY DRI...

Page 19: ...e 3 Use 3 screws for each speaker The nuts are embedded in the struts Position so that the sound output side of each speaker will face down after the piano is turned upright 3 Connect each connector t...

Page 20: ...r decrease the overall volume in a normal fashion These balance settings are stored in the Control Unit and are saved even when the Disklavier is turned off 1 Play back an Ensemble song 2 Press the Se...

Page 21: ...l to conveniently increase or decrease the overall volume in a normal fashion These balance settings are stored in the Control Unit and are saved when the Disklavier is turned off 1 Play back a CD 2 P...

Page 22: ...he action 7 If necessary remove the hammer sensor models C3 to C7 The screws on the shank rail side of the hammer sensor secures both the regulating rod and the sensor This means that you must remove...

Page 23: ...21 MD Unit Diagram and LED Table This adjustment is generally not required MD UNIT LED Green Green Green Red Red Red Silent On Silent Off...

Page 24: ...h 1 Specify a disk When you select a Memory Disk the reset function will be effective for the selected disk only If you select Memory Disk 0 the disk is reset in SMF format and an opening song or song...

Page 25: ...TTED MEMORY DISK appears this indicates that all Memory Disks are damaged 1 In the Reset display press ENTER The following display appears 2 Reset the Memory Disk as described above Notes If you accid...

Page 26: ...Re writing of table data for keyboard p 33 Playback Models p 34 Piano tables condition PASS number check p 35 Display only Display only Display of playback table in the memory p 36 Pedal record play m...

Page 27: ...no regulation keyboard measurement 3 Five continuous strokes a Check for repetition b Velocity reference around 064 good c Timing reference around 125 good Uneven piano regulation piano table Piano re...

Page 28: ...Check noise Inadequate piano pedal adjustment Piano pedal adjustment shift pedal measurement 10 Shift pedal timing check fast a Check simultaneous action of pedal and key striking 11 Shift pedal timin...

Page 29: ...sation value Playback data minimum value Adjustment procedure Terms OFFSET Automatic temperature compensation Manual correction is not possible Continuous usage of the DISKLAVIER MK III raises the te...

Page 30: ...S NO 03 DRIVE 03 03 03 R 3 times The measured and calculated table data are restored to the EEP ROM on PK CTL board PLAY button Enters pedal measurement REC button Enters half point adjustment Sustain...

Page 31: ...y Take appropriate action corresponding to the PASS number if it is displayed after measurement See page 28 Playback stroke end value MIDI 7Fh compensation Parameter value manual compensation soft ped...

Page 32: ...en the pedal is fully depressed 3 Pedal measurement Maintenance mode 03 4 Half point adjustment Maintenance mode 03 Standard Mute time 1 5sec 5 Data parameter value manual compensation Maintenance mod...

Page 33: ...procedure label Inside the piano unit is a label containing the pedal adjustment procedures Please refer to this label for the proper adjustment procedure The label is attached to the inside cover of...

Page 34: ...00 04 01 Display data for each pedal range Display error message Display PASS No Display the PK ROM version when measured L sustain pedal A D data S soft shift A D data can be changed by depressing th...

Page 35: ...which matches the con dition of the action Keyboard measurement should be carried out when the piano is delivered and installed when piano action regulation has been carried out when instability of pi...

Page 36: ...tical data This timing must be further adjusted to account for differences between individual pianos Adjustment is made by changing the TIM_OFST values as neces sary For continuous adjustment the firs...

Page 37: ...or the keyboard pedal OK PASS No indi cation If a PASS number is displayed take the necessary countermeasures Beeping will sound at the point on the keyboard pedal where PASS occurs BEEP Key No 01 88...

Page 38: ...d Address for the EEP ROM 0000 1FFC Select button Select button a The data addressed above b The next data of address a c The next data of address b d The next data of address c EEP ADDRESS 0000 00 00...

Page 39: ...estrain keys during their return so as to reduce impact noises produced by excessively rapid return action Specifically the damping value sets the amount of counterforce applied to the keys during the...

Page 40: ...Y 3 Sound Test Press PLAY 3 PK ROM TEST Press PLAY 5 AIC Test Press PLAY 4 Switch Test Switch Rmt Ctl 4 PK RAM TEST Press PLAY 6 DIGITAL I O Test 5 DRAM Test Press PLAY 5 PK EEP TEST Press PLAY 7 CTRL...

Page 41: ...GRAM Ver 1 00 MN ROM V 1 00 00 04 01 MESSAGE 1 KEY SENSOR DEPTH TEST END 2 HAMMER SENSOR HEIGHT TEST C3 C7 only 3 SOSTENUTO PEDAL TEST GP HMR SNSR EDGE CHK C3 C7 only NO RST 255 K1 K2 K3 K4 01 150 149...

Page 42: ...al test 8 Host I O Test OK MIDI communication test connect MIDI out to MIDI in with a MIDI cable before the test 9 MIDI I O Test OK Communication test between the control unit and the PK CTL board 10...

Page 43: ...ime pedal sensing data display 2 FOOT CTL TEST PRESS PLAY Foot controller test 3 PK ROM TEST PRESS PLAY PK CTL ROM test 4 PK RAM TEST PRESS PLAY PK RAM test 5 PK EEP TEST PRESS PLAY PK EEP ROM test Cl...

Page 44: ...SENSOR ONE KEY XX READING OPEN SENSOR ONE ADJ K 41C 00 VEL 102 0 SENSOR ALL KEY MEASURE READING REST SENSOR ONE KEY XX READING REST SENSOR ONE ADJ K 41C 03 VEL 102 0 SENSOR ALL KEY MEASURE READING EN...

Page 45: ...R HISTORY ERROR HISTORY DISPLAY Errors are displayed in the order of frequency Title display 01 PIANO POWER OFF COUNT 002 END R Clear memory DRIVE Playback Models Error message Error No Number of occu...

Page 46: ...UPDATE PK CTL sheet REWRITE SYSTEM PROGRAM ENT The current version is displayed automatically INSERT UPDATE DISK PLEASE WAIT V4 00 V4 20 CTRL SURE YES NO or V 1 00 V 1 10 KEY SURE YES NO or V 1 00 V...

Page 47: ...ountermeasures 00 Nomal 01 02 03 04 Pedal movement problem Acoustic adjustment problem Hammer sensor problem Pedal acoustic adjustment Pedal measurement Piano acoustic adjustment Check the hammer sens...

Page 48: ...UT DATA ERROR MIDI IN data receive error 90 INSERT DISK Disk not ready Disk error 68 PIANO IN OUT DATA ERROR Piano IN OUT buffer overflow 91 DISK WRITE PROTECTED Write protected Disk error 69 MIDI IN...

Page 49: ...EDAL OVER LOAD ERROR The keyboard sustain soft shift pedal playback stop Press STOP button to reset Sustain pedal movement and operation is not within acceptable range Check the acoustic pedal adjustm...

Page 50: ......

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