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June.2006
MP-70
KSC-34-BK
DIGITAL PIANO
TABLE CONTENTS
TABLE CONTENTS..........................................................1
CAUTIONARY NOTES ...................................................2
SPECIFICATIONS.............................................................3
LOCATION OF CONTROLS ..........................................4
LOCATION OF CONTROLS PARTS LIST ...................4
EXPLODED VIEW ............................................................6
EXPLODED VIEW PARTS LIST .....................................7
EXPLODED VIEW (View 1,2,Rear) ................................8
EXPLODED VIEW (View 1,2,Rear) PARTS LIST .........9
EXPLODED VIEW (View 3,4,Bottom) .........................10
EXPLODED VIEW (View 3,4,Bottom)
EXPLODED VIEW (Fig.A).............................................12
EXPLODED VIEW (Fig.A) PARTS LIST......................12
EXPLODED VIEW (Fig.B) .............................................13
EXPLODED VIEW (Fig.B) PARTS LIST ......................13
KEYBOARD EXPLODED VIEW / PARTS LIST ........14
WIRING DIAGRAM.......................................................16
DISASSEMBLY PROCEDURE ......................................18
PARTS LIST......................................................................19
CHECKING THE VERSION
NUMBER / TEST MODE..........24
Copyright © 2006 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written
permission of ROLAND CORPORATION.
BLOCK DIAGRAM.........................................................26
CIRCUIT BOARD(MAIN) .............................................28
CIRCUIT DIAGRAM(MAIN 1/4) ................................30
CIRCUIT DIAGRAM(MAIN 2/4) ................................32
CIRCUIT DIAGRAM(MAIN 3/4) ................................34
CIRCUIT DIAGRAM(MAIN 4/4) ................................36
CIRCUIT BOARD(PANEL) ...........................................38
CIRCUIT DIAGRAM(PANEL)......................................40
CIRCUIT BOARD(AMP)................................................42
CIRCUIT DIAGRAM(PABM)........................................44
CIRCUIT DIAGRAM(PHONES)...................................46
PARTS LIST....11
STAND EXPLODED VIEW ...........................................48
STAND EXPLODED VIEW PARTS LIST ....................49
PARTS LIST(STAND) .....................................................51
ERROR MESSAGES ........................................................52
17058419E0
MP-70/KSC-34-BK
SERVICE NOTES
Issued by RJA
THE STAND (Disassembling) .............50
Printed in Japan (0000) (TP-M)
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Summary of Contents for Roland MP-70
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Page 1: Table Of Contents
ERROR MESSAGES ............52 PARTS LIST..............19 CHECKING THE VERSION NUMBER / TEST MODE..24 Copyright © 2006 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. 17058419E0 Printed in Japan (0000) (TP-M) -
Page 2: Cautionary Notes
Before beginning the procedure, please read through this document. USER DATA Any performance that has been recorded is deleted when the power to the MP-70 is turned off. A performance cannot be restored once it's been deleted. If you do not want a performance to be deleted, use Song Backup (Owner's Manual p. 31). -
Page 3: Specifications
MP-70/KSC-34-BK SPECIFICATIONS fig.spec Keyboard 88 keys (Compact Progressive Hammer Action Keyboard) Keyboard Preset 4 levels Touch Sensitivity Whole, Dual (volume balance adjustable), Split (split point adjustable), Twin Piano Keyboard Modes Sound Generator 64 voices Max. Polyphony 15 tones in 5 groups... -
Page 4: Location Of Controls
June.2006 MP-70/KSC-34-BK LOCATION OF CONTROLS fig.panel-e@L FRONT PANEL Keytop & Others LED & Volume REAR PANEL BOTTOM PANEL Screw Screw Jack & Others Jack LOCATION OF CONTROLS PARTS LIST PART CODE PART NAME DESCRIPTION1 Q’TY 03676078 R R-KNOB S-ELA-A BLK/LWG... -
Page 5: Exploded View
June.2006 EXPLODED VIEW fig.explo View 2 Refer to Fig.B Refer to Fig.A Refer to Fig.B... -
Page 6: Exploded View Parts List
MP-70/KSC-34-BK EXPLODED VIEW PARTS LIST PART CODE PART NAME DESCRIPTION1 Q’TY 72452145 MUSIC REST ASSY 04232301 TOP BOARD BOARD 01568678 TOP BLIND 00890923 BUSHING D-71 00900478 TOP BOARD HOLDER 04232312 LID BOARD BOARD 03344789 LID BLIND 00900378 LID BLIND CAP... -
Page 7: Exploded View (View 1,2,Rear)
June.2006 EXPLODED VIEW (View 1,2,Rear) fig.explo-hei-1 View1 View2 Rear... -
Page 8: Exploded View (View 1,2,Rear) Parts List
MP-70/KSC-34-BK EXPLODED VIEW (View 1,2,Rear) PARTS LIST View 1 PART CODE PART NAME DESCRIPTION1 Q’TY 01566378 CUSHION 40239401 SCREW M3.5X8 BINDING TAPPING A BZC 40010645 SCREW M4X8 TRUSS TAPPING A1 FE BZC View 2 PART CODE PART NAME DESCRIPTION1 Q’TY... -
Page 9: Exploded View (View 3,4,Bottom)
June.2006 EXPLODED VIEW (View 3,4,Bottom) fig.explo-hei-2 View3 View4 Bottom... - Page 10 MP-70/KSC-34-BK EXPLODED VIEW (View 3,4,Bottom) PARTS LIST VIew 3 PART CODE PART NAME DESCRIPTION1 Q’TY 40012101 SCREW 4X14 TRUSS TAPPING A1 FE ZC 40346201 SCREW 4X20 TRUSS TAPPING TWIN BZC 40011101 SCREW 3X8 BINDING TAPTITE B BZC 40011056 SCREW 3X6...
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Page 11: Parts List
June.2006 EXPLODED VIEW (Fig.A) fig.explo-shou-a Fig. A View6 EXPLODED VIEW (Fig.A) PARTS LIST PART CODE PART NAME DESCRIPTION1 Q’TY 04234445 FRONT PANEL EXP ENGLISH 03012323 KEY FELT 02901545 DISPLAY COVER 02901567 ISOLATOR LED 72786067 VOLUME BOARD ASSY 72785856 PANEL BOARD ASSY 01566101 PANEL HOLDER 03676078... -
Page 12: Exploded View (Fig.b)
MP-70/KSC-34-BK EXPLODED VIEW (Fig.B) fig.explo-shou-b Fig.B EXPLODED VIEW (Fig.B) PARTS LIST PART CODE PART NAME DESCRIPTION1 Q’TY 72230789 CASING SIDE PANEL (R) ASSY NOTE: ‘SIDE PANEL (R) ASSY’ includes the following parts. 01565945 CHASSIS SIDE HOLDER R 01565923 LID RAIL C... -
Page 13: Keyboard Exploded View / Parts List
June.2006 KEYBOARD EXPLODED VIEW / PARTS LIST fig.keyboard-e Please refer to the Service Notes for CPA-5 (17058188E0), when you repair the keyboard section. 72908512 PART CODE PART NAME Qty. 03232934 CPA-5 N-KEY A 03232945 CPA-5 N-KEY B 03232956 CPA-5 N-KEY C 03232967 CPA-5 N-KEY D 03232978... - Page 14 MP-70/KSC-34-BK...
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Page 15: Wiring Diagram
June.2006 MP-70/KSC-34-BK WIRING DIAGRAM fig.WIRING@L WIRING DIAGRAM INLET FULL RANGE TRANS BOARD PS-AMP-M BOARD B2P3-VH CN 12 PHONES BOARD BOARD B14B-PH B7B-PH CN 4 CN 6 CN 6 CN 4 B14B-PH B7B-PH POWER SWITCH MAIN Description Part Code Length(mm) BOARD... -
Page 16: Disassembly Procedure
June.2006 DISASSEMBLY PROCEDURE Removing the lower blind Remove the top board. When removing major parts, use the following procedure. Remove both left and right side panels. After servicing, make sure that the wiring is in the original state and original location. -
Page 17: Parts List
MP-70/KSC-34-BK PARTS LIST fig.part1e CASING 02901545 DISPLAY COVER 04234445 FRONT PANEL EXP PANEL 01566467 SPEAKER COVER 04234412 TRANS COVER COVER 04234434 PABM COVER COVER 03344823 REAR PANEL 01017134 LID RAIL STOPPER 72230778 SIDE PANEL (L) ASSY NOTE: ‘SIDE PANEL (L) ASSY’ includes the following parts. - Page 18 June.2006 JACK, EXT TERMINAL 13449252 6.5MM JACK YKB21-5006 (STEREO W/SW) JK6 on PABM ,JK306,JK305 on Phones 13429676 MIDI CONNECTOR YKF51-5048N (TWIN) JK5 on PABM 13449283 6.5MM JACK HLJ7101-01-3010 JK2,JK3,JK4,JK1 on PABM DISPLAY UNIT 00451423 LB-303VA 7SEG LED LED99 on PANEL NOTE: Replacement LB-303VA should be made on a unit base.
- Page 19 MP-70/KSC-34-BK DIODE 15029348 LED (GREEN) SLR-342MCT32 LED20 on PANEL 01239867 LED (RED/GREEN)CLR SML72423C TP15 LED1,LED15,LED19,LED24,LED9,LED4,LE D5,LED6,LED18 on PANEL 15029281 LED (RED) GL-3PR8 LED1 on LED 15019126 SWITCHING DIODE 1SS133 T-77 D12,D22,D21,D20,D19,D18,D17,D16,D13,D 23,D11,D10,D9,D8,D7,D6,D5,D4,D3,D2,D1, D15 on PABM 15039142 RECTIFIER DIODE S5688G(TPB5.Q) 1A/400V...
- Page 20 June.2006 FUSE, FUSE HOLDER 03670534 FUSE 5ST 1.25 1.25A/250V 03564690 FUSE 5ST 2.5 2.5A/250V CONNECTOR 13369585 CONNECTOR B3P5-VH(LF)(SN) 7A/250V CN13 on Inlet 13369898 CONNECTOR B2P3-VH(LF)(SN) 7A/250V CN12 on Inlet 13369541 CONNECTOR B10B-PH-K-S(LF)(SN) CN1 on PANEL 13369567 CONNECTOR B4B-PH-K-S JST(LF)(SN)(4P) CN2 on PANEL 13369504 CONNECTOR B8B-PH-K-S JST(LF)(SN)
- Page 21 MP-70/KSC-34-BK MISCELLANEOUS 03012323 KEY FELT 03015156 PANEL SHEET 03676190 PWB SPACER 12189823 FUSE HOLDER CNT47-0003A FH1,FH2,FH5,FH6 on PABM ,FH4,FH3 on Inlet 12199584 GROUNDING TERMINAL M1698 TER7,TER10,TER12,TER11,TER5,TER4,TER 3,TER6 on PABM ,TER9,TER8 on Inlet 22165385 LED SPACER LDS-80P 40016523 INSULOK TIE 100M/M T-18R...
- Page 22 8. Factory reset The MP-70 uses two-color LEDs for the following nine LEDs. [Demo], [Brilliance], [Variation], [Song], [Metronome], and [Key Touch] Press the [Demo] button to execute the factory reset, or press the [Play] button The “Phones LED”...
- Page 23 MP-70/KSC-34-BK...
- Page 24 June.2006 MP-70/KSC-34-BK WIRING DIAGRAM fig.WIRING@L WIRING DIAGRAM INLET FULL RANGE TRANS BOARD PS-AMP-M BOARD B2P3-VH CN 12 PHONES BOARD BOARD B14B-PH B7B-PH CN 4 CN 6 CN 6 CN 4 B14B-PH B7B-PH POWER SWITCH MAIN Description Part Code Length(mm) BOARD...
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Page 25: Circuit Board(Main)
June.2006 CIRCUIT BOARD(MAIN) fig.b-main1 View from components side... - Page 26 MP-70/KSC-34-BK fig.b-main2 View from foil side...
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Page 27: Circuit Diagram(Main 1/4)
June.2006 MP-70/KSC-34-BK CIRCUIT DIAGRAM(MAIN 1/4) fig.c-main1@L D3R3V1 BA[0..19] MAIN BOARD D3R3V1 BD[0..15] C184 22/16 IC26 IC27 C185 0.1 C187 22/16 C186 0.1 I/O7 I/O7 C188 0.1 I/O6 I/O6 RA24 100 C189 I/O5 I/O5 RA26 100 I/O4 I/O4 RA71 100 I/O3... -
Page 28: Circuit Diagram(Main 2/4)
June.2006 MP-70/KSC-34-BK CIRCUIT DIAGRAM(MAIN 2/4) fig.c-main2@L D3R3V1 22/16 MAIN BOARD TG/DSP WA21 UPD23C128000LGY@MJH WA20 WA22 WA23 D3R3V1 O15/A-1 WA18 WA19 WA17 WA16 WA15 WA14 WA13 WA12 WA11 TC203C180AF003(XP7) WA10 WAVE WA23 CA13 WA23 WA22 CA12 WA22 WA21 CA11 WA21 WA20... -
Page 29: Circuit Diagram(Main 3/4)
June.2006 MP-70/KSC-34-BK CIRCUIT DIAGRAM(MAIN 3/4) fig.c-main3@L MAIN BOARD D3R3V1 AVSS KSM/USB C214 D3R3V1 C215 C218 C217 C216 C220 C221 C212 C219 IC41 BA[0..19] SLAC02AF2H(KSM) C213 BD[0..15] D3R3V1 R269 NIU C211 C225 SC17 R270 NIU PR17 R242 SC16 IC40 PR16 SC15... -
Page 30: Circuit Diagram(Main 4/4)
June.2006 MP-70/KSC-34-BK CIRCUIT DIAGRAM(MAIN 4/4) fig.c-main4@L MAIN BOARD D3R3V1 D3R3V1 C269 1000P CONNECTORS C257 C127 IC15A IC15B IC15C TC7WH04FU TC7WH04FU TC7WH04FU CN21 R337 NIU POWER D3R3V1 R324 D3R3V2 IC17 NIU IC15D 5RST xRST TC7WH04FU IC16 TC7SH14FU C133 R100 C135 R335 R322 100 0.01... -
Page 31: Circuit Board(Panel)
June.2006 MP-70/KSC-34-BK CIRCUIT BOARD(PANEL) fig.b-panel-top@L fig.b-panel-bottom@L... -
Page 32: Circuit Diagram(Panel)
June.2006 MP-70/KSC-34-BK CIRCUIT DIAGRAM(PANEL) fig.c-panel@L RPC05T@J RPC05T@J RPC50T@J RPC50T@J RPC50T@J RPC50T@J D3R3V2 D3R3V2 D3R3V2 D3R3V2 ECJ1V@ 33/16 33/16 RC2-V@M RC2-V@M RC2-V@M RC2-V@M RPC05T@J RPC05T@J RPC05T@J LED99 LB-303VA RN2426 SCAN3 DIG3 xLEDEN D3R3V2 DATA3 DIG2 DATA2 MA142WA-(TX) RN2426 DATA1 DA13 DIG1... -
Page 33: Circuit Board(Amp)
June.2006 MP-70/KSC-34-BK CIRCUIT BOARD(AMP) fig.b-pabm... -
Page 34: Circuit Diagram(Pabm)
SR25TR@J ECQB@ EXPR RE3-V@M IC10A 1000/35 R139 IC10B SR25TR@J S5688G(TPB5) TER8 TER9 POWER SW SDKLA10900 R141 R142 IC13 MP-70 TRANS BOARD ASSY (73231478) SR25TR@J SR25TR@J S5688G(TPB5) NJM78M12FA CN11 CN10 CN12 M1698 M1698 D3SBA20 C100 B2P3-VH ECOS-P@BB ECQB@ ECQB@ RE3-V@M SR25TR@J... -
Page 35: Circuit Diagram(Phones)
June.2006 CIRCUIT DIAGRAM(PHONES) fig.c-phones-led PHONES BOARD JK305 R330 (1/2W) JUMPER L312 R332 (1/2W) L313 JUMPER YKB21-5006 R334 (1/2W) B6B-PH-K-S RPE132@ R336 (1/2W) YKB21-5006 JK306 R338 B3B-PH-K-S LED BOARD S3B-PH-K-S GL-3PR8 LED1... - Page 36 MP-70/KSC-34-BK...
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Page 37: Piano Stand (Ksc-34-Bk)
June.2006 PIANO STAND (KSC-34-BK) STAND EXPLODED VIEW fig.stand-explo Rear side only Rear side only... -
Page 38: Stand Exploded View Parts List
MP-70/KSC-34-BK STAND EXPLODED VIEW PARTS LIST PART CODE PART NAME DESCRIPTION Q’TY 04233067 REAR BOARD 04233090 PEDAL BOARD BOARD 01568334 REAR HOLDER 01566001 TOE BLOCK 73235423 SIDE BOARD R ASSY 22205518 JOINT HOLDER R 220-518 22205517 JOINT HOLDER L 220-517... -
Page 39: How To Assemble
June.2006 HOW TO ASSEMBLE THE STAND (Disassembling) fig.stand-as-e... -
Page 40: Parts List(Stand)
MP-70/KSC-34-BK PARTS LIST(STAND) fig.part1e CASING 04233067 REAR BOARD 04233090 PEDAL BOARD BOARD 71907712 SW PEDAL UNIT NOTE: ‘SW PEDAL UNIT’ includes the following parts. 02563001 ADJUST BOLT 73235423 SIDE BRD R ASSY NOTE: ‘SIDE BRD R ASSY’ includes the following parts. -
Page 41: Error Messages
June.2006 ERROR MESSAGES fig.error Display Meaning The amount of performance information is too large, and further E.32 recording is not possible. A problem such as a loose MIDI cable occurred. Make sure the MIDI E.41 cables are correctly hooked up. Error messages are indicated by an E.