Kawai CN3 Service Manual
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Kawai CN3 Service Manual

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CN3

Service Manual

Manufacturing Date April 2005
Kawai Musical Instruments
Manufacturing Co., Ltd.
SE978E-S0504

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Summary of Contents for Kawai CN3

  • Page 1: Service Manual

    Service Manual Manufacturing Date April 2005 Kawai Musical Instruments Manufacturing Co., Ltd. SE978E-S0504...

  • Page 2: Table Of Contents

    I Contents Specifications ..............2 P.W.B. KEP-126 (12) Assembly [TOP] ......20 Hardware List ..............3 P.W.B. KEP-126 (12) Assembly [BACK] ......21 Case Assembly ..............4 P.W.B. KEP-126 Circuit 1/4 ..........22 Key Cover Assembly ............5 P.W.B. KEP-126 Circuit 2/4 ..........23 Stand Assembly ...............

  • Page 3: Hardware List

    I Hardware List Type Size (A x B) Remarks Binding Head B-tite 3 x 8 Chromating Binding Head B-tite 3 x 12 Chromating Binding Head P-tite 3 x 10 Chromating (Black) Binding Head P-tite 4 x 8 Chromating Binding Head P-tite 4 x 10 Chromating Binding Head S-tite...

  • Page 4: Case Assembly

    (4x20) KEP-068 Parts Name Rosewood Cherry Mahogany Screws Screws 269801 269802 269803 Case Assy (4x12) (M4x12) 813835 KAWAI sticker 814798 Key Cover Rack (Left) Screws (4x12) 814799 Key Cover Rack (Right) Screws (4x12) 947700 Head Phone Hook Screws (3x10) 266270...

  • Page 5: Key Cover Assembly

    I Key Cover Assembly Screws (M3x10) & Screws (M3x8) & Screws (M3x8) Screws (M3x10) & Screws (3x8) Screws (M3x8) Code No. Parts Name Rosewood Cherry Mahogany Screws (3x8) – 272669 272670 272671 Key Cover Assy Screws 948099 Key Cover Back Angle (3x10) 941605 Key Cover Shaft...

  • Page 6: Stand Assembly

    I Stand Assembly Code No. Screws Parts Name (4x25) Rosewood Cherry Mahogany 812863 Pedal Unit Screws 812240 813594 813595 Toe Block (L) (4x14) 812241 813596 813597 Toe Block (R) 937180 Adjuster Bolt M8 x 15 948167 813582 813583 Back Board Screws 948121 948122...

  • Page 7: Panel Assembly

    I Panel Assembly Screws (M3x8) KEP-060 Code No. Parts Name Rosewood Cherry Mahogany 948098 Control Panel KEP-061 811104 Power SW Guide Black 810031 Power SW Key Top BLK Screws (M3x8) 811184 Slide Vol. Knob KEP-059 804910 Slide Volume Cover 813273 LED Cover KEP-058 948103...

  • Page 8: Top Board Assembly

    272675 272676 272677 Music Rack Assy 5?HAMI !N # 941584 Top Board Metal Rail 945695 945700 948120 Music Rack 947939 KAWAI Emblem II 5?HAMI 948124 948125 948126 Top Board Assy !N # 948127 948128 948129 Top Board Front 5?HAMI 945715...

  • Page 9: Keyboard Unit (Rg88 Type)

    I Keyboard Unit (RG88 Type) <Keyboard Parts List> Code No. Parts Name Description Q’ty Code No. Parts Name Description Q’ty 814849 Complete Keyboard Unit 10 947907A Hammer Assy (White Key Low) Key No. 1- 15 814651 White Key (C) 947908A Hammer Assy (White Key Mid-Low) Key No.

  • Page 10: Keyboard Disassembling Procedure

    I Keyboard Disassembling Procedure First, remove the keyboard fixing screws (10 pcs.) at the bottom of the piano and slide the Keyboard unit backward. <How to take a key off> <How to take a hammer off> 1.Spread the key at fulcrum point and lift it up. (We recommend to use Snap Ring pliers. 1.Lift the hammer at the fulcrum point.

  • Page 11: Electronic Parts List

    I Parts List Electronic Parts List Code No. Parts Name Q'ty Parts Number Remarks Model 237702 P.W.B. Assy KEP-126 (11) CPU (US,AU) 237703 P.W.B. Assy KEP-126 (12) CPU (GE120,CD,CG,GE230) 237704 P.W.B. Assy KEP-058-061,072 (4) PANEL,VOLUME 237705 P.W.B. Assy KEP-064-068 (26) AMP,HP,JACK,LED,INLET 120V 237706...

  • Page 12: 11)(12) Assembly Parts List

    P.W.B. KEP-126 (11)(12) Assembly Parts List Code No. Parts Name Q'ty Parts Number Parts Address Model 812215 MB91101APF-G 814414 K022-FP 814435 Reset IC BD5245 FVE-TR 810368 Regulator NJM78L05UA-TE1 µ PC2933AT-E1 813047 Regulator 812219 OP-AMP NJM4580E-T1 U13,14,18,22 237707 Flash ROM KP441-F9FP US,AU 237708 Flash ROM...

  • Page 13: P.w.b. Kep-058~061 (4) Assembly Parts List

    P.W.B. KEP-058~061 (4) Assembly Parts List Code No. Parts Name Q'ty Parts Number Parts Address Model KEP-058 (Volume) 804978 Slide Volume RS30112AC00QA KEP-059 (Panel L) 813111 EL3105VRT/TR1-11 (A) LED1,2,3,4,5,6,7,8,9, 10,11 800625 Diode 1SS133T-77 D1,2,3,4,5,6,7,8,9, 10,11 808345 Switch KSH0612AT / EVQ21305R SW1,2,3,4,5,6,7,8,9, 10,11 KEP-060 (Panel R)

  • Page 14: 068 (26)(27) Assembly Parts List

    P.W.B. KEP-064~068 (26)(27) Assembly Parts List Code No. Parts Name Q'ty Parts Number Parts Address Model KEP-064 (Jack) 800676 NJM4558D/M5218AP 812222 LA6517 806719 PC900V 814530 PST600D 812125 Transistor 2SC3792 Q3,4 812527 Transistor 2SC5395-T12-E 808973 Transistor DTA114ESA-TP 810851 Transistor DTC143ESA-TP Q7,8,9 800625 Diode 1SS133T-77...
  • Page 15 Code No. Parts Name Q'ty Parts Number Parts Address Model KEP-066 (HP) 812297 Retardant Resistor ERDS1FJ68RT/CPFS1/2CT26A68RJ R201,202,203,204 805764 EMI Coil LFD648075600/SBT0160W L201,202,203,204 802576 Phone Jack YKB21-5006N/HTJ-064-04A JA201,202 KEP-067 (LED) 814844 SEL4117R TP2 LED301 KEP-068 (INLET) 811711 High Voltage Capacitor DE1E3KX472MB5BA01 C403 814467 High Voltage Capacitor...

  • Page 16: Cable Wiring Specification

    CN401 KEP-068 CN10 CN21 KEP-126 CN104 CN14 KEP-065 CN18 CN105 KT-027 CN17 CN13 CN101 CN106 CN201 CN1 CN3 CN2 CN4 KEP-066 KEP-064 KEP-061 KEP-059 KEP-060 KEP-058 POWER CN301 KEP-067 Cable Parts List AC Cable List Code No. Name Termination 1...

  • Page 17: Block Diagram

    I Block Diagram PANEL KEP-059,060,061 KEP-058 KEP-064 PANEL 7SEG LED VOLUME MIDI LINE IN LINE OUT SW & LED KEP-066 HEADPHONE MIX AMP HEADPHONE M5218A LA6517 KEP-126 FlashROM DIGITAL +5V KP441-F9FP or KP442-F9FP DIGITAL 8Mbit +3.3V REGULATOR µPC-2933 DRAM KEP-065 4Mbit EQ AMP POWER AMP...

  • Page 18: 11) Assembly [Top]

    I P.W.B. KEP-126 (11) Assembly [Top] X : Not Mounted – 18 –...

  • Page 19: 11) Assembly [Back]

    I P.W.B. KEP-126 (11) Assembly [Back] X : Not Mounted – 19 –...

  • Page 20: 12) Assembly [Top]

    I P.W.B. KEP-126 (12) Assembly [Top] X : Not Mounted – 20 –...

  • Page 21: 12) Assembly [Back]

    I P.W.B. KEP-126 (12) Assembly [Back] X : Not Mounted – 21 –...

  • Page 22: Circuit 1/4

    I P.W.B. KEP-126 Circuit 1/4 – 22 –...

  • Page 23: Circuit 2/4

    I P.W.B. KEP-126 Circuit 2/4 – 23 –...

  • Page 24: Circuit 3/4

    I P.W.B. KEP-126 Circuit 3/4 – 24 –...

  • Page 25: Circuit 4/4

    I P.W.B. KEP-126 Circuit 4/4 – 25 –...

  • Page 26: 061 (4) Assembly

    I P.W.B. KEP-058 – 061 (4) Assembly X : Not Mounted – 26 –...

  • Page 27: 061 Circuit 1/3

    I P.W.B. KEP-058 – 061 Circuit 1/3 – 27 –...

  • Page 28: 061 Circuit 2/3

    I P.W.B. KEP-058 – 061 Circuit 2/3 – 28 –...

  • Page 29: 061 Circuit 3/3

    I P.W.B. KEP-058 – 061 Circuit 3/3 – 29 –...

  • Page 30: 068 (26) Assembly

    I P.W.B. KEP-064 – 068 (26) Assembly Headphone Headphone LINE IN MIDI AC IN X : Not Mounted – 30 –...

  • Page 31: 068 (27) Assembly

    I P.W.B. KEP-064 – 068 (27) Assembly Headphone Headphone LINE IN MIDI AC IN X : Not Mounted – 31 –...

  • Page 32: 068 Circuit 1/3

    I P.W.B. KEP-064 – 068 Circuit 1/3 – 32 –...

  • Page 33: 068 Circuit 2/3

    I P.W.B. KEP-064 – 068 Circuit 2/3 – 33 –...

  • Page 34: 068 Circuit 3/3

    I P.W.B. KEP-064 – 068 Circuit 3/3 – 34 –...

  • Page 35: Circuit

    I P.W.B. KKB-015 Circuit ....c t i c t i – 35 –...

  • Page 36: Key Switch Matrix

    I Key Switch Matrix – 36 –...

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