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Yamaha Disklavier E3 Series, Maintenance Handbook

The Yamaha Disklavier E3 Series Maintenance Handbook is a comprehensive manual that provides all the necessary information for the proper care and maintenance of your Disklavier E3 piano. This indispensable manual can be easily downloaded for free from our website, manualshive.com, ensuring you have all the resources needed for optimal piano maintenance.

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11. 

Ｐ

arts List 

               

 

   

   

Upright Piano

                             

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

No. 

Part Name 

Part Number 

Remarks 

1 

Control Unit 

WN755500 

DKC-800 

2 

CTRL Circuit Board 

WN507700 

 

 

3 

MC Circuit Board 

WN507900 

 

 

4 

APE Circuit Board 

WN507800 

 

 

5 

USB Circuit Board 

WN757300 

 

 

6 

PANEL Circuit Board 

WN757600 

 

 

7 

ENCD Circuit Board 

WN757000 

 

8 

JACK Circuit Board 

WN708200 

 

 

9 

REG Circuit Board 

WN508400 

 

 

10 

1/2

”

CD-ROM 

WN735100  

11 

EXG Circuit Board 

WN767400 

 

 

・

Key Shutter 

Electrical Parts 

・

Control Unit   

45 

Summary of Contents for Disklavier E3 Series

Page 1: ...E3 Series MAINTENANCE HANDBOOK Upright Piano Grand Piano ...

Page 2: ...2 ...

Page 3: ...USB port allows use of external memory such as USB flash memory hard disk etc besides the optional floppy disk drive An IDC function which has been available since the introduction of the MK IV allows playback of Disklavier Radio software updates etc Since the focus of this manual is mainly on service information please refer to the Owner s Manual provided separately for other information regardin...

Page 4: ...button VOLUME button TEMPO button TRANSPOSE buttons INTERNET button SEARCH button CD eject button PLAY PAUSE button STOP button RECORD button SELECT button Cursor ENTER buttons Display Dial SETUP button METRONOME button REPEAT button A B button PART SELECT buttons PAUSE button 21 STOP button 22 ENTER button 23 FUNC button 24 SELECT button 25 YES NO buttons 26 BALANCE button 27 Color buttons USB TO...

Page 5: ...ve illustration Upright Piano Control Unit CSP Unit Key Drive Unit Key Sensor Unit Hammer Sensor Unit Shank Stop Unit Control Box Unit Pedal Drive Unit PS Power Supply Unit Outlet Box MD Unit Control Unit CSP Unit Key Drive Unit Key Sensor Unit Hammer Sensor Unit Speaker Box Pedal Drive Unit Switch Box Unit MD Unit Shank Stop Unit PS Unit 3 ...

Page 6: ...to the device The control unit s parts and their major functions are listed below CTRL Control Sheet The control unit s main board controls display and TO HOST MC Media Control Sheet Controls internet communications and the USB ports front rear APE Audio Process Card for E3 Sheet Controls Ensemble tone generator CD audio processing USB Sheet Made up of power switch front USB port remote control se...

Page 7: ...k table management Memory tables created with measurements from the service center mode 3 Drive Unit The drive unit consists of the key drive unit that drives the keyboard and pedal drive unit that drives the pedals damper shift In regard to keyboard drive feedback control for both downward and upward key motion allows sequential control of the position and time speed of the keys in conjunction wi...

Page 8: ...ent 4 Sensor Unit The sensor unit consists of the key and the hammer sensor DGB1K has only key sensor which detects key and hammer movement during performance and the pedal sensor which detects pedal movement damper shift sostenuto 4 1 The key sensor consists of the key sensor sheet optic fiber light source receiver Key movement causes the acrylic shutter attached to the underside of each key to b...

Page 9: ... sensor is incorporated into the pedal drive sheet and consists of the light source receiver element photo interrupter and the pedal shutter attached to the pedal rod The method used for detecting pedal movement is similar to the key sensor described earlier Pedal movement causes the shutter to move up and down changing the amount of light detected by the sensor as the pedal moves The pedal sensor...

Page 10: ...ered speaker can be connected to the AC outlet On the E3 power unit protection circuits operate and shut down the power when excessive current is detected in the drive however in the PS unit which was described in drive unit section individual poly switches function when excessive current is detected so electric current is not switched off 48V Power for drive circuits 12V Supplies each unit with p...

Page 11: ...lly designed speakers are set at an angle in the piano s underside The speakers are used to deliver the electronic accompaniment ensemble and CD playback and specifications are as follows Speaker Specifications Output 20W Woofer 10cm 3 15 16 Tweeter 2 2cm 7 8 9 ...

Page 12: ... A1 GC1 C1 GC2 C2 type DSP servo drive system CSP2 New YUS1 U1 type Pedal Drive Unit New GB1K C2 type DSP servo drive system New UP type Key Sensor Unit New GB1K C2 type Grayscale shutter New YUS1 U1type Hammer Sensor Unit New GB1K A1 GC1 C1 GC2 C2 type Metal shutter 2 slits New YUS1 U1 type Metal shutter 1 slit Silent Function Switch Box New GP type New UP type Power Supply Unit New 150W 48V for ...

Page 13: ...ck that all dampers release the strings when the damper pedal right is depressed and that the dampers return to their original position when the pedal is released Shift Pedal Make sure that the entire action shifts to the right leaving one string open to the left of the hammer and the entire action returns to its original position when the pedal is released Sostenuto Pedal Bass Damper Pedal Press ...

Page 14: ... Switch on the main power on the power supply unit Turn the power on Turn on the power switch on the control unit Play the supplied CD Open the CD drive by pressing the CD eject button Place the CD in the tray then close the tray by hand Press the SELECT button on the remote control Select CD with the cursor button on the remote control Press the ENTER button on the remote control Press the ENTER ...

Page 15: ... up Recording Function Playback Delete Press the SELECT button Select Memory Press the RECORD button Press the PLAY button Start playing on the keyboard Play all 88 keys 1 to 88 and operate each of the pedals Press the STOP button Use the same procedure to playback the song you just recorded Press the FUNC button Select DELETE SONG Select the song you played then press the ENTER button Press the Y...

Page 16: ...when regulating An acrylic shutter is attached to the underside of each key When removing the keyboard please take care not to damage the shutters The E3 uses key sensors to detect key position For this reason the condition of key regulation and the key stop rail will have an effect on key sensor detection Frequent occurrence of the following conditions may result in errors when the key sensor is ...

Page 17: ...ing the wing nut A while the pedal is fully depressed ⅱ Rotate the rod adjuster B so that the damper felt are lifted off to 4 1 5mm from strings SOFT PEDAL ⅰ Hold and raise up the cylinder C until L 0mm lock it by pushing the lock solenoid D then release the cylinder ⅱ Rotate the rod adjuster B so that the hammer striking distance becomes 15mm from strings ⅲ Unlock D by pushing up the cylinder C ⅳ...

Page 18: ...he piano can be tuned the same as any other piano 4 Remove the key block Remove the screws one each on the left and right sides 5 Remove the key stop rail 6 Remove two sensor connectors The action can now be removed Removing the hammer sensor unit 1 Remove the action unit 2 Remove the four screws marked A 3 Remove the four screws marked B 4 Slide the hammer sensor unit to front and remove Ａ Ｂ 16 ...

Page 19: ...requent occurrence of the following conditions may result in errors when the key sensor is operating 1 Tight balance rail holes will result in keys that are still raised when the keys are operated with the automatic piano playback function 2 The space between the key rail and the keyboard is too wide When making adjustments to the keyboard height depth the service center mode described later is re...

Page 20: ... the hexagonal cap nut on the topside C Changes in pedal conditions result from changes in the upper and lower portions of the pedal rod In the lower section the load crushes the felt cushion on the rear of the pedal box lowering the rear end of the pedal In the upper section changes occur when the pedal lever skin under the key bottom and the felt on the pedal rod become compressed On an acoustic...

Page 21: ... Basic dimensions Clearance 3 8mm to 4 0mm a Adjustment Use the screws 1 each on the front and rear of the sensor unit brackets 4 locations to adjust Align key sensors so that they are parallel to the keyboard When the clearance between the key sensor and the keyboard is too wide the key shutter will not be able to break the light beam When the clearance between the key sensor and the keyboard is ...

Page 22: ...mode first Two beeps M1 M2 sound when hammer head is pushed toward back The distance between hammer shank stopper rubber and hammer shank will be standard measurement M1 the first beep 8 5mm 1 5 0mm M2 the second beep 0 5mm 1 5 0mm The hammer sensor has 4 adjustment positions as below Bass part Front view Middle part Front view Treble part Front view High treble part Front view Turn clockwise for ...

Page 23: ...and the plunger head of the key drive unit Basic Measurement Clearance 0 5mm to 1 0mm ｂ Adjustment Use the special spacers to increase or decrease the lower and upper register of the key drive unit Use the screw on the adjustment bracket to adjust the middle register In the field use a wire to push the plunger up from underneath the key drive unit You can feel for play when pushing up D Adjusting ...

Page 24: ... mode The hammer shank stopper moves 8mm toward front Check if the acoustic sound doesn t come out during playing keyboard with Mezzo forte level If no sound comes then the distance between hammer head and strings will be within 4 5mm 7mm when the hammer shank touches the shank stopper cushion OK Shank stopper must be adjusted to the front if the acoustic sound comes If the balance of the same sec...

Page 25: ...liminate uneven ness in the same section Step 4 Normally the shank stopper position is set correctly in the factory The height adjustment and lateral adjustment can be done as following drawings OK Step 2 Step 5 Motor drive MD unit for the quiet function is located on the right action bracket 23 ...

Page 26: ...the shank stopper lever and the MD lever will stop by touching each stroke end If either of them doesn t touch its end there is stroke loss of shank stopper move It can be re adjusted by using the adjust screw to get the maximum stroke distance Check Step 2 if the adjustment has been done 24 ...

Page 27: ...ward back M1 the first beep ON M2 the second beep ON Hammer shank stop position 1 5 1mm 4 Adjust the hammer sensor height adjuster Push the quiet button to quit the quiet mode first Loosen lock screw D then adjust sensor height by turning adjuster E シャンクストップ位置 弦から５ ６mm M2 ON タイミング シャンクストップ位置 1 5 1mm 調整用歯車 Shank stop position 5mm 6mm from string M2 ON timing Shank stop position 1 5mm 1mm Hammer sen...

Page 28: ...ns Clearance 3 8mm to 4 0mm ａ Adjustment Use the screws 1 each on the front and rear of the sensor unit brackets 4 locations to adjust Align key sensors so that they are parallel to the keyboard When the clearance between the key sensor and the keyboard is too wide the key shutter will not be able to break the light beam When the clearance between the key sensor and the keyboard is too narrow the ...

Page 29: ...c Measurement Clearance 0 5mm to 1 0mm ｂ Adjustment Use the special spacers to increase or decrease the lower and upper register of the key drive unit Use the screw on the adjustment bracket to adjust the middle register Checking In the manufacturing stage after a special spacer 1mm is placed underneath the plunger head the action is installed and then checked to see how much hammers have risen Wh...

Page 30: ...ings when the pedal is fully depressed The amount of stroke should be double the play The damper should raise approximately 4mm Use the capstan screw under the key bottom to adjust Pedal Drive Unit Adjustment Section Adjustments should be made before adjusting the acoustic piano Adjust the clearance between the top of the damper pedal solenoid and the chassis Clearance should be approximately 15 5...

Page 31: ...uld position the hammer one string to the right leaving one string to the left of the hammer open Use the adjustment screw located inside of the right key block Before adjusting lift up the capstan screw so that it is not in the way of the adjusting screw on the key block Adjust so that both the capstan screw located under the key bottom and the key block adjustment screw make contact simultaneous...

Page 32: ...st Push PLAY Key 4 FLASH Read Test Push PLAY Key 5 DIGITAL I O Test Push PLAY Key 6 CD ROM Read Test Push PLAY Key 7 USB Read Test Push PLAY Key 8 NAND Read Test Push PLAY Key 9 ETHERNET Test Push PLAY Key TEST MODE APE SHEET 0 APE Sheet Version APE V2 00 20090123 1 DSP RAM R W Test Press PLAY 2 DSP Flash Read test Press PLAY 3 APE Audio Test Signal Playing Test Signal L 4 APE Audio Input test Ana...

Page 33: ...K 7 Host I O Test Vendor 0499 ProdID 2003 Check the organic electro luminescence display Press the PLAY PAUSE button to execute the test Check the internal sound Press the buttons on the control unit and remote controller to check the buttons Press the PLAY PAUSE button to execute the test DRAM test of the CTRL sheet will be executed and OK will be displayed if no error is detected It will takes a...

Page 34: ...h PLAY Key 2 SDRAM Read Test OK 3 FLASH R W Test OK 4 FLASH Read Test OK 5 DIGITAL I O Test OK 6 CD ROM Read Test OK 7 USB Read Test OK 8 NAND Read Test OK 9 ETHERNET Test OK 00A0DE 4D Displays the version number of MC sheet Insert a CD ROM to the CD drive Press PLAY PAUSE button Insert a USB memory to the USB TO DEVICE port And press PLAY PAUSE button Connect the LAN Press the PLAY PAUSE button M...

Page 35: ...st Press PLAY RAM Test is OK 2 DSP Flash Read test Press PLAY Flash Test is OK 3 APE Audio Test Signal Playing Test Signal 3 APE Audio Test Signal Playing Test Signal R 4 APE Audio Input test OMNI IN OMNI OUT Displays the version number of APE sheet Check in turn if sound is outputted from the OUTPUT and OMNI OUT Sound will be outputted from the OUTPUT if audio signal is inputted from the Analog M...

Page 36: ...est Play 3 Piano Calibration 4 Piano Test 4 1 Key Sensor AD Test 4 2 Hmr Sensor Test 4 3 KS Connection Check 4 4 Key Brightness Chk 4 5 Pedal AD Test 4 6 Calibration Check 4 7 CSP RAM test 4 8 CSP FLASH test Program has sub menu REC SELECT POWER ７ Service Center Mode Menu 1 7 1 All Errors 1 7 2 All Warnings 1 7 3 Copy Log to USB 1 8 1 Clear Odometer 1 8 2 Clear Log 1 8 3 Clear All Data 3 1 1 Cal S...

Page 37: ...1 7 2 All Warnings 1 7 3 Copy Log to USB No data 1 7 1 All Errors 1 7 2 All Warnings 1 7 3 Copy Log to USB Now copying data Done 1 6 Piano Odometer 1 7 Log View 1 8 Clear History 1 8 1 Clear Odometer 1 8 2 Clear Log 1 8 3 Clear All Data 1 8 1 Clear Odometer SURE PLAY STOP 1 8 1 Clear Odometer 1 8 2 Clear Log 1 8 3 Clear All Data 1 8 1 Clear Odometer 1 8 2 Clear Log 1 8 3 Clear All Data 1 8 2 Clear...

Page 38: ...LAY to play pause Play 2 2 repetition scale 2 3 pedal on off 2 4 pedal half 2 3 pedal on off 2 4 pedal half 2 5 pedal 5Hz 2 4 pedal half 2 5 pedal 5Hz 2 6 pedal half check PLAY to play pause Play PLAY to play pause Play PLAY to play pause Play Plays softest key stroke scale Plays 5Hz strokes Plays the damper pedal in on off pedal action Plays the damper pedal in half pedal action Plays the damper ...

Page 39: ...ration START Calibration END Load at Rest pos 0143 Load at Half pos 0325 Load at End pos 0384 Flash Write OK Calibration All OK 3 1 2 SensorCalibration 3 1 3 Pedal Calibration 3 1 4 Key Drive Std KD calibration Model E3 KS All key ON pedal off Start Writing data to flash All key OK All key OFF Start Writing data to flash All key OK ENT Calibrates E3 s sensors and drive units condition to match wit...

Page 40: ...5 3 Key Drive ON 3 5 4 Key Drive OFF The softest key stroke adjustment is started by enter button The buttons works in this adjustment as follows Play Pause ENT to change mode between all and 1key mode or dial to change the offset data REC to save the offset data STOP to quit the adjustment All mode change the offset data of 88keys all at once 1key mode change the offset data of the selected key S...

Page 41: ...5 Pedal AD Test 4 6 Calibration Check 4 7 CSP RAM test SDRAM test OK 4 6 Calibration Check 4 7 CSP RAM test 4 8 CSP FLASH test FLASH test OK The test of the sensor units and drives When any key is pressed indicates the key number the depth of the key with a buzzer in four steps and the A D value Check if the light amount of the key sensor within the specified value Indicates OK or NG s key number ...

Page 42: ...E TO CREATE MORE THAN 99 ALBUMS You tried to create a new album on the medium that already contains 99 albums No more than 99 albums can be created on the medium CANNOT EXECUTE SAME TITLE EXISTS You tried to create a new album titled as same as the album that already exists Enter a different title to a new album CANNOT EXECUTE PROTECTED FILE You tried to copy the protected song file to the removab...

Page 43: ...k key solenoid sticking etc operation KD ASIC error Communication is lost between the key drive unit and CSP unit Check the cable used to connect the key drive unit and the CSP unit Loud PD thermo error The temperature in the loud pedal solenoid exceeds 120ºC Switch the power OFF Wait until the temperature inside of the solenoid drops and then switch the power ON again Soft PD thermo error The tem...

Page 44: ...en the rest and end value is too low Check the key adjustment pay particular attention to uneven keys in the balance section Check the key rail adjustment the space between the key rail and the keyboard is not large enough Check the key sensor s height adjustment Check sensor head position and key shutter Carry out the measurement again During Pedal Measurement Error Messages Situation Remedy Loud...

Page 45: ...s check the connection between the key sensor unit and the CSP unit A history of error occurrences during operation and measurement can be checked in the Service Center mode 1 7 Log view Communication and operating conditions for individual units which are checked on a regular basis can be copied with an external USB memory Refer to the Service Center Mode for more information 4 Remedies for Other...

Page 46: ... adjustment affects the measurement C Recording Problems 1 Cannot record Check communication between the units 2 Some notes do not record Carry out a sensor test with the Maintenance Mode Check 12 light source groups Light source system Check 8 light receiver groups Light receiver system Check key shutters Check sensor heads 3 The volume differs between recording and playback Strongest notes Sligh...

Page 47: ...KC 800 2 CTRL Circuit Board WN507700 3 MC Circuit Board WN507900 4 APE Circuit Board WN507800 5 USB Circuit Board WN757300 6 PANEL Circuit Board WN757600 7 ENCD Circuit Board WN757000 8 JACK Circuit Board WN708200 9 REG Circuit Board WN508400 10 1 2 CD ROM WN735100 11 EXG Circuit Board WN767400 Key Shutter Electrical Parts Control Unit 45 ...

Page 48: ...d WR768200 21 Hammer Sensor Ass y WQ086700 22 Hammer Sensor Circuit Board WN739200 23 Key Sensor Unit WQ088700 24 Key Sensor Circuit Board WN594200 25 PS Unit WR128500 26 Power Supply Unit 48V WC814600 27 Power Supply Unit 12V WC702500 28 Switch Box Unit WQ573200 29 Pedal Sensor Unit WQ198500 30 AC Cable VT119800 31 MD Unit V7981600 32 Remote Controller WN570900 35 Hammer Shutter V9071600 36 Key S...

Page 49: ... 27 26 28 21 20 22 23 24 25 30 31 29 ９ Ｐarts List KEY SHUTTER CONTROL UNIT 47 Grand Piano ...

Page 50: ...t Board WK726500 for Key 47 56 17 EKD3 Circuit Board WK726700 for Key 15 46 18 EKD4 Circuit Board WＮ743300 for Key 1 14 19 Solenoid Assy WN693200 common 20 Pedal Drive Unit WN651700 21 Solenoid Damper WN738400 22 Solenoid Shift WN738500 23 Pedal Drive Circuit Board WN738700 24 Hammer Sensor Unit 25 Hammer Sensor Circuit Board 26 Hammer Emission Circuit Board 27 Key Sensor Unit WN651300 28 KS2 Circ...

Page 51: ...Piano Parts No Part Name Part Number Remarks Damper Pedal Lever T5902151 Spring Damper Pedal Lever T5903081 49 ...

Page 52: ......

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