Kawai_CN2_Digital_Piano_Service_Manual电路图.pdf

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1、Kawai Musical Instruments Manufacturing Co., Ltd. Manufacturing Date December 2004 CN2 Service Manual SE977E-S0502 RadioFans.CN 收音机爱 好者资料库 2 I Contents I Specifications * Specifications are subject to change without notice. Keyboard Touch Type Max Polyphony Tones Reverb Metronome Recorder Other Func

2、tions Pedals Jacks Speakers Output Power Power Consumption Dimensions Weight Specifications. 2 Hardware List. 3 Case Assembly. 4 Stand Assembly. 5 Cheek Assembly. 6 Key Cover Assembly. 7 Top Board Assembly. 8 Keyboard Unit (RG88 Type). 9 Keyboard Disassembling Procedure . 10 Parts ListElectronic Par

3、ts . 11 KEP-126 . 12 KEP-151-157. 13 Cable Wiring Specification. 15 Block Diagram. 16 P.W.B. KEP-126(10) AssemblyTOP. 17 P.W.B. KEP-126(10) AssemblyBACK . 18 P.W.B. KEP-126 Circuit 1/4. 19 P.W.B. KEP-126 Circuit 2/4. 20 P.W.B. KEP-126 Circuit 3/4. 21 P.W.B. KEP-126 Circuit 4/4. 22 P.W.B. KEP-151-157

4、(2) Assembly. 23 P.W.B. KEP-151-157(3) Assembly. 24 P.W.B. KEP-151-157 Circuit 1/3 . 25 P.W.B. KEP-151-157 Circuit 2/3 . 26 P.W.B. KEP-151-157 Circuit 3/3 . 27 P.W.B. KKB-015 Circuit . 28 Key Switch Matrix . 29 88 Keys, Advanced Hammer Action IV 4 Types (Normal, Light, Heavy, Constant) 72 Notes 15 T

5、ones Room, Stage, Hall Beat: 1/4, 2/4, 3/4, 4/4, 5/4, 3/8, 6/8 Tempo: 30-300 BPM 1 song, 1 track Dual, Transpose, Tuning, Concert Magic (40 Songs), MIDI Functions,15 Demo Songs Damper, Soft, Sostenuto Headphones x 2, Pedal, MIDI IN/OUT 12 cm (4 3/4” ) x 2 16 W x 2 50 W 139 (W) x 43 (D) x 83 (H) cm,

6、54 3/4” x 17” x 32 3/4” 39.5 kg, 87 lbs RadioFans.CN 收音机爱 好者资料库 3 +Binding Head Tapping P-TiteB-TiteS-TiteTapping #1 A B +Pan Head Machine with washerMachine +Truss Head S-TiteTapping #1 I Hardware List TypeSize (A x B)Remarks Binding Head B-tite3 x 8Chromating Binding Head B-tite3 x 12Chromating Bi

7、nding Head P-tite3 x 10Chromating (Black) Binding Head P-tite3 x 16Chromating (Black) Binding Head P-tite4 x 8Chromating Binding Head S-tite3 x 6Chromating Binding Head S-tite3 x 8Chromating Binding Head S-tite3 x 12Chromating (Black) Binding Head Tapping #13 x 6Chromating (Black) Binding Head Tappi

8、ng #13 x 8Chromating (Black) Binding Head Tapping #13 x 10Chromating (Black) Binding Head Tapping #13 x 16Chromating Binding Head Tapping #14 x 30Chromating Pan Head Machine Screw w/WasherM3 x 6Chromating, Spring + Plain Pan Head Machine Screw w/WasherM5 x 20Chromating, Spring + Plain Pan Head Machi

9、ne Screw w/WasherM3 X 10Chromating, Spring + Plain Truss Head Machine ScrewM4 x 12Chromating Truss Head Machine ScrewM4 x 20Chromating Truss Head S-tite4 x 10Chromating Truss Head Tapping #14 x 10Chromating Truss Head Tapping #14 x 12Chromating Truss Head Tapping #14 x 14Chromating (Black) Truss Hea

10、d Tapping #14 x 20Chromating (Black) Volume NutM12Chromating (Black or Yellow) Plain WasherM3Chromating (Black or Yellow) StapleW=4, L=25 Pin StapleL=30 RadioFans.CN 收音机爱 好者资料库 A B C D E F G H I J K A B C D E F G H I J K 1234567891011121314151617 4 I Case Assembly 1 12 12 13 13 6 8 15 9 8 10 3 11 4

11、14 15 11 2 5 7 Screws (M5x20) Screws (4x14) Screws (4x12) Screws (4x12) Screws (4x30) Screws (3x10) Screws (3x10) Screws (3x10) Screws (3x10) Screws (3x10) Screws (3x8) Screws (3x8) Screws (3x8) Screws (3x10) Screws (4x20) Screws (4x30) Screws (4x12) Screws (4x12) Screws (4x12) Screws (4x12) Screws

12、(4x12) Screws (4x12) Screws (4x12) Screws (4x20) Screws (4x20) Screws (4x14) Screws (M4x12) Screws (3x10) Screws (3x10) Screws (4x12) Screws (4x12) Screws (4x12) Screws (4x12) Screws (M4x20) Screws (M4x20) KEP-154 16 KT-027 KEP-126 KEP-153 KEP-157 KEP-155 No Code No. Parts Name RosewoodCherryMahogan

13、y 1272657272658272659Case Assy 2813835KAWAI sticker 3947946Key Cover Rack (Left) 4947947Key Cover Rack (Right) 5787785LED Cap 6947700Head Phone Hook 7947961947962947963Key Stop Rail 8934155Speaker Net 9926675Stand Hook (Left) 10926680Stand Hook (Right) 11940685Angle 12944755Top Board Fitting 1394793

14、7Key Stop Rail fitting 14721220Binder 15813446Speaker Unit 16814688Transformer A B C D E F G H I J K A B C D E F G H I J K 1234567891011121314151617 5 I Stand Assembly Screws (6x50) Screws (M6x25) Screws (M6x25) Screws (M6x25) Plain Washer Spring Washer Screws (6x50) Screws (4x20) Screws (4x14) Scre

15、ws (4x14) Screws (4x25) Screws (4x20) Plain Washer Spring Washer Screws (M6x25) Screws (M6x25) Screws (M6x25) Screws (4x14) Screws (4x14) Screws (4x25) Screws (4x16) 1 3 2 4 5 6 7 8 10 9 10 10 10 No Code No. Parts Name RosewoodCherryMahogany 1812863Pedal Unit 2812240813594813595Toe Block (L) 3812241

16、813596813597Toe Block (R) 4937180Adjuster Bolt M8x15 5941641813582813583Back Board 6941636813578813579Pedal Board Assy / C3 7947967947969947971Side Board Assy (L) 8947968947970947972Side Board Assy (R) 9721220Binder 10926820SP Box Fitting A B C D E F G H I J K A B C D E F G H I J K 12345678910111213

17、14151617 6 I Cheek Block Assembly 1 Screws (3x10) 2 3 4 5 9 9 6 9 7 7 10 8 8 Screws (3x10) Screws (3x12) Screws (3x10) Screws (3x10) Screws (3x10) Screws (3x10) Screws (3x10) KEP-151 KEP-152 KEP-156 No Code No. Parts Name RosewoodCherryMahogany 1811034Slide Volume Cover Cloth HN604B 9x52 29479409479

18、42947944Cheek Block (L) 3947941947943947945Cheek Block (R) 4810031Power SW Key Top BLK 5811184Slide Vol. Knob 6813210Key Top & Guide (Red) 7947929Cheek Block Fitting (Front) 8947930Cheek Block Fitting (Rear) 9813209Key Top & Guide (Black) 10812259LED PCB Spacer A B C D E F G H I J K A B C D E F G H

19、I J K 1234567891011121314151617 7 I Key Cover Assembly Screws (3x12) Screws (3x12) Screws (3x12) Screws (3x8) Screws (M3x10) Screws (M3x10) Screws (3x6) 1 2 3 4 5 6 7 7 8 8 8 Plain Washer No Code No. Parts Name RosewoodCherryMahogany 1947931947932947933Key Cover Back Angle 2941605Key Cover Shaft 394

20、7934947935947934Key Cover Handle 4812601Key Cover Edge (Left) 5812697Key Cover Edge (Right) 6947955947956947957Key Cover 7811290Key Cover Pinion 8811210Key Cover Holder Black A B C D E F G H I J K A B C D E F G H I J K 1234567891011121314151617 8 Screws (3x10) Screws (4x10) Screws (4x10) Screws (4x1

21、0) Screws (4x10) Screws (4x10) Screws (4x10) Screws (3x16) Screws (3x10) 1 4 2 3 5 6 7 8 8 9 10 11 11 12 12 13 13 I Top Board Assembly No Code No. Parts Name RosewoodCherryMahogany 1941584Top Board Metal Rail 2814698Music Rack Felt t1x12x600 Black 3947939KAWAI Emblem II 4811105813558813559Score Stop

22、per 5947964947965947966Music Rack 6947973947974947975Top Board Assy 7947976947977947978Top Board Front 8945715Music Rack Fitting 9926675Stand Hook (Left) 10926680Stand Hook (Right) 11811815Nylon Tube 8x22 12810020Music Rack Support Stopper 13814004Music Rack Support A B C D E F G H I J K A B C D E F

23、 G H I J K 1234567891011121314151617 9 17 1312 16 10 15 14 15 1411 1 5 6 2 18 78 3 4 9 I Keyboard Unit (RG88 Type) No.Code No.Parts NameDescriptionQty 814849Complete Keyboard Unit1 1814651White Key (C)7 814652White Key (D)7 814653White Key (E)7 814654White Key (F)7 814655White Key (G)7 814656White K

24、ey (A)7 814657White Key (B)8 814658White Key (AA)lowest A key1 814659White Key (CC)highest C key1 2814660Black Key36 3814661Chassis (A-G#)7 814662Chassis (A-C)1 4947901ARib Assy8 5814650Guide Spacer16 6947902Front Rail1 7947903Stopper Rail1 8947904Switch Rail1 9947905Back Rail1 No.Code No.Parts Name

25、DescriptionQty 10947907AHammer Assy (White Key Low)Key No. 1- 159 947908AHammer Assy (White Key Mid-Low)Key No. 16- 3210 947909AHammer Assy (White Key Mid-High)Key No. 33- 6318 947910AHammer Assy (White Key High)Key No. 64- 8815 947911AHammer Assy (Black Key Low)Key No. 1- 156 947912AHammer Assy (Bl

26、ack Key Mid-Low)Key No. 16- 327 947913AHammer Assy (Black Key Mid-High)Key No. 33- 6313 947914AHammer Assy (Black Key High)Key No. 64- 8810 11814664Slip Tape88 12814665Guide Tape88 13813171Key Stopper Cushion1 14814666Stopper Felt2 15814667Hammer Upper-Limit Cushion1 16814668Hammer Lower-Limit Cushi

27、on1 17237347PWB, KKB-015 Assy1 800760IC (Decoder)74HC138P3 807339Diode1S2076A176 18813175Rubber ContactF-E (12-cup)8 A B C D E F G H I J K A B C D E F G H I J K 1234567891011121314151617 10 2 2 1 1 1 open Snap Ring pliers grasp WHITE KEY Fulcrum point 2 BLACK KEY StopperFulcrum point Stopper Fulcrum

28、 point I Keyboard Disassembling Procedure First, remove the keyboard fixing screws (10 pcs.) at the bottom of the piano and slide the Keyboard unit backward. 1.Spread the key at fulcrum point and lift it up. (We recommend to use Snap Ring pliers. If not available, use a flat blade (tapered) screwdri

29、ver.) 2.Pull the key off. (Pay attention to the stopper.) * To remove a black key, the white keys on either side must be removed first. 1.Lift the hammer at the fulcrum point. 2.Pull the hammer off. 11 237699P.W.B. Assy1KEP-126 (10)CPU 237700P.W.B. Assy1KEP-151-157 (2)PANEL,VOLUME,AMP,HP,MIDI,LED,IN

30、LET120V 237701P.W.B. Assy1KEP-151-157 (3)PANEL,VOLUME,AMP,HP,MIDI,LED,INLET230V 237347P.W.B. Assy1KKB-015 (1)KEYBOARD 814688Transformer1KT-027 813446Speaker Unit2KS12-015 812805AC Cable1UC-505-J01US,GE120 809170AC Cable1EC-511-E07CD,GE230 809171AC Cable1SC-078-J02AU 813178AC Cable12P FOR BS 2.5M 13A

31、CG 948020PH Standard Cable1PH-02-0250-REDLED-KEYBOARD 948021PH Standard Cable1PH-04-0200-YELMIDI-CPU 947667PH Standard Cable1PH-09-0150-WHTAMP-CPU 948022PH Standard Cable1PH-11-0700-BRNPANEL-CPU 948023PH Standard Cable1PH-15-0200-GRNKEYBOARD-CPU 947641Power Switch Cable1SW-INLET 948025CPU Power Cabl

32、e1AMP-CPU 948026Pedal Cable1PEDAL-CPU 948027Headphone Cable1HP-AMP 948028Speaker Cable1SPEAKER-AMP 948029Volume Cable1VOLUME-AMP I Parts List Electronic Parts Code No.Parts NameQtyParts NumberRemarksModel 12 812215CPU1MB91101APF-GU2 814414TG1K022-FP MB87L8040U6 814435Reset IC1BD5245 FVE-TRU29 810368

33、Regulator1NJM78L05UA-TE1U17 813047Regulator1PC2933AT-E1U27 812219OP-AMP4NJM4580E-T1U13,14,18,22 237690Flash ROM1KP438-F9FP(A29L800TV-70)U3 814418DRAM1IC41LV16257-35T-ELU4 814416SRAM1UT62L2568LS-70LL/UT62L2568LS-70LLIU9 814690ROM1KP437-MCFW(MR27V6402G-xxxTN)U28 814074DAC1AK4393VF-E2U15 812217LOGIC2TC

34、74HCT7007AF(TP1)U23,25 804056LOGIC1HD74HC245FPELU24 812958Xtal Oscillator1DSO751SV 33.8688MHzX2 812722Xtal Resonator1SMD-49 12.5MHz / CX-49G 12.5MHzX1 813358Chip Bead34BLM18AG601SN1DEM1,3,5,8,9,10,13,14,16, 17,19,22,32,33,34,40,41, 42,43,44,45,46,47,48,49, 50,51,52,53,54, R16,17,92,93 KEP-126 Code N

35、o.Parts NameQtyParts NumberParts Address 13 KEP-151(PANEL) 808457LOGIC1HD74HC595PU8 813111LED6EL3105VRT/TR1-11(A)LED2,3,4,5,6,7 800625Diode61SS133T-77D9,10,11,12,13,14 808345Switch6KSH0612AT / EVQ21305RSW1,2,3,4,5,6 KEP-152(VOLUME) 804978Slide Volume1RS30112AC00QAVR1 KEP-153(AMP) 812950AMP1TA8221AHU

36、5 812222Headphone AMP1LA6517U3 813252Regulator1PQ05RF21U4 814530Reset IC2PST600DU2,6 812125Transistor22SC3792Q4,5 812527Transistor42SC5395-T12-EQ2,8,10,11 808973Transistor1DTA114ESATPQ1 810851Transistor2DTC143ESATPQ3,9 812961IC Protecter1ICP-N10T104F1 808952Bridge Diode1DBF40CD7 800625Diode21SS133T-

37、77D1,2, 807082Zener Diode2HZS6C3TDD3,5 805989Zener Diode1HZS4ALLD4 811767Retardant Resistor1ERDS1FJ101T/CPFS1/2CT26A101JR28 813000Metal Film Resistor1RNM 1/4 C3 5601 F TPR16 800746Metal Film Resistor1RNM 1/4 C3 1002 F TPR17 813823Metal Film Resistor4MOSX 1/2 C T26 A 1R2 JR46,47,48,49 810861Metal Fil

38、m Resistor1MOSX 2 C L15A 2R7 JR45 809125Film Capacitor4ECQ-V1H 104JL3C39,40,41,42 707333Electrolytic Capacitor1TC04RSMG25VB1000M F50E1C27 811707Electrolytic Capacitor1SMQ25VB10000MC38 KEP-151157 Code No.Parts NameQtyParts NumberParts AddressModel 14 Code No.Parts NameQtyParts NumberParts AddressMode

39、l KEP-154(HP) 812297Retardant Resistor4CPFS1/2CT26A68RJR50,51,52,53 805764EMI Coil4SBT0160WL1,2,3,4230V 802576Phone Jack2YKB21-5006/HTJ-064-04AJA1,2 KEP-155(MIDI) 806719Photocoupler1PC900VU7 810851Transistor2DTC143ESATPQ12,13 800625Diode11SS133T-77D8 811020Surge Absorber2ERZVA5D220C54,55 808473MIDI

40、Jack1YKF51-5053/HDC-052-A-12JA3 KEP-156(LED) 813111LED1EL3105VRT/TR1-11(A)LED1 KEP-157(INLET) 811711High Voltage Capacitor1DE1E3KX472MB5BA01C52 814467High Voltage Capacitor1ECQU3A104MGC51 811358AC Inlet1HJC-028A/CCT9302-0201AC1120V 811191AC Inlet1HJC-028/CCT9302-0101AC1230V 812416Fuse1234 02.5MF2120

41、V 814333Fuse1218.630MF2230V 15 I Cable Wiring Specification Cable Tie(Inshlock Tie)Nyron Clamp ( PTL1M )1( NK-6N )1 BinderFerrite Core ( EFB-0692 )1( KR06TB251512B1 )1 Vinyl Binder(small) ( L=100 )13 Cable Parts ListAC Cable List No. 11 for 120V area1 21 for 230V area1 31 for Australia1 41 for Engla

42、nd1 51 61 71 81 91 101 111 812805 809170 809171 813178 948020 948021 947667 948022 948023 948025 948027 948028 948029 PH-02-0250-RED PH-04-0200-YEL PH-09-0150-WHT PH-11-0700-BRN PH-15-0200-GRN Power Switch Cable CPU Power Cable Pedal Cable Headphone Cable Speaker Cable Volume Cable KEP-156-CN9 KEP-1

43、26-CN14 KEP-126-CN18 KEP-126-CN17 KEP-126-CN13 KEP-157-CN12 KEP-126-CN10 KEP-126-CN21 KEP-153-CN3 KEP-153-CN7 KEP-152-CN15 Keyboard(RG88) KEP-155-CN10 KEP-153-CN2 KEP-151-CN14 Keyboard(RG88) Switch KEP-153-CN4 Pedal(JACK PANEL) KEP-154-CN8 Speaker(L,R) KEP-153-CN1 Code No.NameTermination 1Terminatio

44、n 2QtyDescriptionCode No.Qty KEP-153 KEP-126 KEP-156 CN9 KEP-154 CN4 CN7 CN1 CN6 CN14 CN15 CN8 KEP-157CN13CN12 205 110 205 110 KEP-155 KEP-151 CN10 CN13 CN21 KT-027 KEP-152 CN2 CN3 CN14 CN17 CN18 CN10 11 11 8 2 10 8 2 9 4 9 5 33 7 5 910 1010 10 7 6 6 1 1 11 4 A B C D E F G H I J K A B C D E F G H I

45、J K 1234567891011121314151617 16 KEP-153 KEP-152KEP-151 P2ROM KP437-MCFW 64MbitMPU MB91101A RESET BD5245FVE 12.5 MHz 33.8688 MHz 16 8 8 REGULATOR PC-2933 DIGITAL +3.3V DIGITAL +5V BUF DRAM 4Mbit 16 16 16 24bit D/A AK4393 KEP-126 BUF PANEL SW & LED SOUND SOURCE/ TOUCH LSI K022-FP SRAM 2Mbit FlashROM 8Mbit VOLUME PILOT LAMP KEP-156 AC IN PRIMARY FUSE KEP-157 HEADPHONE AMP LA6517 MUTE RECTIFIER POWER AMP TA8221AH MUTE P.S. for DIGITAL P.S. for ANALOG +5V +16V TRANS- FORMER KT-027 KEY