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Kawai CS8 Service Manual
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Kawai CS8 Service Manual

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DIGITAL PIANO
CS8

Service Manual

Manufacturing Start Date 2016/3
Kawai Musical Instruments
KPSZ-0830 Date of issue :22/10(October)/2016
Copyright C 2016 Kawai Musical Instruments Mfg.Co., Ltd. Allrights reserved

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Summary of Contents for Kawai CS8

  • Page 1: Service Manual

    DIGITAL PIANO Service Manual Manufacturing Start Date 2016/3 Kawai Musical Instruments KPSZ-0830 Date of issue :22/10(October)/2016 Copyright C 2016 Kawai Musical Instruments Mfg.Co., Ltd. Allrights reserved...
  • Page 2 P02 Contents Contents Specifications Assembly Parts Assembly Parts 1/7 Assembly Parts 2/7 Assembly Parts 3/7 Assembly Parts 4/7 Assembly Parts 5/7 Assembly Parts 6/7 Assembly Parts 7/7 Parts Top Board Assy Parts Top Board Parts Music Rack Parts / Upper Panel Parts Back Baffle Board Assy / Back Baffle Board Parts Back Borad Parts Key Cover Parts...
  • Page 3 P03 Specifications CS11 Keyboard 88 wooden keys with Ivory and Ebony Touch key surfaces Grand Feel II (GFII) action with Let-Off, Triple Sensor, and Counterweights Sound Source Harmonic Imaging™ XL (HI-XL), 88-key piano sampling Internal Sounds 80 voices 60 voices Polyphony max.
  • Page 4 P04 Assembly Parts 1 of 7 Remarks Parts Code Parts Name PIANO ASSY ① STAND ASSY ② 274919 UNDER FRONT BOARD ASSY ③ 798848 +Pan Washer Double Sems Machine Screw M6*25mm BKC ④ 798504 +Truss Machine Screw M6*20 BKC ⑤ ⑥...
  • Page 5 P05 Assembly Parts 2 of 7 Remarks Parts Code Parts Name 274905 TOP BOARD GENERAL ASSY ① 798373 +Truss Machine Screw M4*16mm BKC ② 274908 BACK BOARD ASSY ③ 798373 +Truss Machine Screw M4*16mm BKC ④...
  • Page 6 P06 Assembly Parts 3 of 7 Remarks Parts Code Parts Name =CS7 274906 KEY COVER ASSY ① ネジを緩め、ピニオンをスライドさせる...
  • Page 7 P07 Assembly Parts 4 of 7 Parts Code Parts Name Remarks 274907 SP BOX FRONT BOARD ASSY ① 798373 +Truss Machine Screw M4*16mm BKC ② 274909 SP BOX GENERAL ASSY ③ 797285 +Truss Self Tapping Screw Type A 4mm*12mm BKC ④...
  • Page 8 P08 Assembly Parts 5 of 7 Remarks Parts Code Parts Name 274910 JACK PANEL ASSY ① 797022 +Truss Self Tapping Screw Type A 4mm*12mm WHC or BKC ② 798005 +Binding Taptite Screw S Tite 4mm*8mm WHC or BKC ③ 274913 KEY STOP RAIL GENERAL ASSY =CS7 ④...
  • Page 9 P09 Assembly Parts 6 of 7 Remarks Parts Code Parts Name 230699 WR88 TYPE KEYBOARD UNIT ① 798909 Extra Low Head Flat Screw 5mm*20mm BKC ② 798917 +Pan Washer Double Sems Machine Screw M5*25mm BKC ③ 949825 CONTROL PANEL SUPPORT ④...
  • Page 10 P10 Assembly Parts 7 of 7 Remarks Parts Code Parts Name 274916 KEY BED ASSY. (With Key slip) ① 274914 ARM ASSY (L) ② 274915 ARM ASSY (R) ③ 798795 +Flat Head Self Tapping Screw Type A 4mm*35mm BKC ④ 798630 ⑤...
  • Page 11 P11 Top Board Assy Parts Remarks Parts Code Parts Name TOP BOARD ASSY ① BACK BAFFLE BOARD GENERAL ASSY ② 798307 +Truss Self Tapping Screw Type A 4mm*25mm WHC or BKC ③...
  • Page 12 P12 Top Board Parts Remarks Parts Code Parts Name 954778 TOP BOARD ① 274188 MUSIC RACK ASSY =CS7 ② 798575 +Flat Head Self Tapping Screw Type A 3mm*12mm BKC ③ =CS6 951626 SCORE STOPPER ④ 951639 ARTIFICIAL LEATHER 780*25 BLACK ⑤...
  • Page 13 =CS6 ② 951624 UPPER PANEL END 814206 DOUBLE FACE TAPE 3M Y-9448H or equivalant 10*60 ③ 798296 Plain Washer Normal DIA:4 ④ 798744 +Binding Self Tapping Screw Type A 3mm*25mm BKC ⑤ =CA67 954414 KAWAI LOGO SEAL SILVER 17mm*128mm ⑥...
  • Page 14 P14 Back Baffle Board Assy Parts Remarks Parts Code Parts Name BACK BAFFLE BOAD ASSY ① 818179 SPEAKER KSOV18 ② 797023 +Truss Self Tapping Screw Type A 4mm*16mm WHC or BKC ③ 948914 KEY BED FITTING ④ ⑤ 797022 +Truss Self Tapping Screw Type A 4mm*12mm WHC or BKC 949665 FLAT LEG ⑥...
  • Page 15 P15 Back Board Parts Remarks Parts Code Parts Name 954780 BACK BOARD ① 798510 INSERT NUT TYPE-B M6*10.5mm ② 950938 KAWAI STICKER ③ 812279 AC IN STICKER ④ 811102 PEDAL CONNECTOR STICKER ⑤ ⑥ 811614 NON WOVEN FABRIC (ADHESIVE BACKING) HN604B t0.25*8*1298...
  • Page 16 P16 Key Cover Parts Remarks Parts Code Parts Name =CS6 951621 KEY COVER ① 814206 DOUBLE FACE TAPE 3M Y-9448H or equivalent 10*210 ② 951637 KEY COVER HANDLE BLACK ③ 916640 KEY COVER HANDLE CUSHION ④ 943830 KEY COVER GUIDE PIN ⑤...
  • Page 17 P17 SP Box Parts 1 of 2 Remarks Parts Code Parts Name 239080D PWB M ASSY KEP-588(4) [PEDAL] ① 239076 PWB M ASSY KEP-493(5) [CPU] for CD,CG,GE 239077 'PWB M ASSY KEP-493(5) [CPU] for AU ② 239078 'PWB M ASSY KEP-493(5) [CPU] for US 239080G PWB M ASSY KEP-591(4) [NW] ③...
  • Page 18 P18 SP Box Parts 2 of 2 Remarks Parts Code Parts Name 954777 SP BOX WOODEN ASSY ① 798908 TWIST NECK MACHINE SCREW M4*30 BKC ② 926820 SP BOX FITTING ③ 797022 +Truss Self Tapping Screw Type A 4mm*12mm WHC or BKC ④...
  • Page 19 P19 Jack Panel Parts Remarks Parts Code Parts Name =CS9 954322 JACK PANEL ① 937260 JACK PANEL STAY R ② 239079B PWB E ASSY. KEP-586(3) [JACK] ③ 238999 PWB E ASSY. KEP-502(3) [MIDI-USB] ④ 798030 +Binding Taptite Screw S Tite 3mm*8mm WHC or BKC ⑤...
  • Page 20 P20 Cheek Block (L) Parts Remarks Parts Code Parts Name 954788 CHEEK BLOCK (L) Silver ① 817437 =CA95 ② 239033B PWB E ASSY KEP-584(1) [LCD HOLD] =CA97 ③ 798356 +Binding Taptite Screw P Tite 3mm*6mm WHC or BKC ④ 950867 ⑤...
  • Page 21 P21 Cheek Block (R) Parts Remarks Parts Code Parts Name =CA65 954421 CHEEK BLOCK (R) ① 239080E PWB E ASSY KEP-589(4) [VOL] ② 798276 +Binding Taptite Screw P Tite 3mm*10mm WHC or BKC ③ 954848 POWER CABLE ASSY with CAPACITOR ④...
  • Page 22 P22 Key Stop Rail Parts Remarks Parts Code Parts Name =CS7 KEY STOP RAIL ASSY ① 951616 KEY STOP RAIL1 =CS6 ② 952765A KEY STOP RAIL FELT Black 1*8*1250 with adhesive tape ③ 798307 +Truss Self Tapping Screw Type A 4mm*25mm WHC or BKC ④...
  • Page 23 P23 Key Bed Assy Parts Remarks Parts Code Parts Name KEY BED ASSY ① KEY SLIP ASSY =CS7 ② 798630 STAPLE W=4mm LEG LENGTH=25mm ③ 948914 KEY BED FITTING ④ 797022 +Truss Self Tapping Screw Type A 4mm*12mm WHC or BKC ⑤...
  • Page 24 P24 Arm (L)/(R) Parts Remarks Parts Code Parts Name 951613 ARM (L) =CS6 ① 951614 ARM (R) 798512 INSERT NUT TYPE-B M4*9.5mm ② 814798 KEY COVER RACK (L) ③ 814799 KEY COVER RACK (R) ④ 815706 KEY COVER RACK SPACER 798331 +BINDING MACHINE SCREW 4mm*20mm BKC ⑤...
  • Page 25 P25 Key Slip Parts Remarks Parts Code Parts Name =CS7 953372 KEY SLIP ① 798834 DOWEL 6 DIA. 30LG. BEECH or equivalent ② 239080F PWB M ASSY KEP-590(4) [PILOT LAMP] ③ 798141 +Binding Self Tapping Screw Type A 3mm*10mm WHC or BKC ④...
  • Page 26 P26 Stand Assy Parts Remarks Parts Code Parts Name 274917 END PANEL ASSY (L) ① 274918 END PANEL ASSY (R) ② =CS7 PEDAL BOARD ASSY ③ 951635 STAND BACK BOARD ④ 797023 +Truss Self Tapping Screw Type A 4mm*16mm WHC ⑤...
  • Page 27 P27 End Panel (L)/(R) Parts Remarks Parts Code Parts Name 951629 END PANEL (L) =CS6 ① 951630 END PANEL (R) 950985 FELT 1*5*550 Black/Adhesive backing L 180 ② ③ 798543 +KNOCK DOWN SCREW 5mm*15mm Uni-Chromating 951632 =CS6 ④ 811187 NON WOVEN FABRIC (ADHESIVE BACKING) HN611B t0.55*10*49 ⑤...
  • Page 28 P28 Pedal Board Parts Remarks Parts Code Parts Name =CS6 951628 PEDAL BOARD WOOD ASSY ① 816327 PEDAL FELT t=1*9*100/Adhesive backing BLACK ② 952769 PE3A-TYPE PEDAL ASSY ③ 816217 NON WOVEN FABRIC 21*256 ④ 937180 PEDAL ADJUSTER BOLT M8*15 ⑤ ⑥...
  • Page 29 P29 Keyboard Unit Parts WR88 Type Keyboard Remarks Parts Code Parts Name 88key set ① 954187 KEYBOARD 954801 SLIP TAPE Use 2pcs for 1unit ② 811314 BACK RAIL FELT ③ 811313 FRONT FELT (B) ④ 813637 BALANCE PUNCHING 814422 BALANCE PAPER PUNCHING No.9 t0.26*φ12.5 (20) Use For key height adjust ⑤...
  • Page 30 P30 Hammer Arrangement WR88 Type Keyboard 274760 W/B1: 15pcs Key No.1-15 (C0-B1) W/B1 No.1-15 W/B2 W/B1 No.16-32 carved seal : W/B1 W/B3 No.33-63 274761 W/B2: 17pcs Key No.16-32 (C2-E3) W/B4 No.64-88 W/B2 carved seal : W/B2 274762 W/B3: 31pcs Key No.33-63 (F3-B4) W/B3 carved seal : W/B3 274763...
  • Page 31 P31 Key Height Adjustment WR88 Type Keyboard Lift the keys and insert or remove paper balance punching. [Key Height Standard] White key : 77 +1/-0.5mm Black key : 86 +1/-0.5mm Key Stroke Adjustment Stopper Cushion Capstan Screw 200g 1. Press down a key with 200g weight. 2.

  • Page 32: Block Diagram

    P32 Electrical Parts List Parts Code Parts Name Parts Number Construct Remarks 239076 PWB Assy KEP-493(5) CD,CG,GE 239077 239078 239081 KEP-573(5) NEW 110V-120V POWER Management 239082 KEP-573(6) NEW 220V-240V 239033A KEP-583(1) HP AMP =CA97 239033B KEP-584(1) LCD Hold =CA97 239080A KEP-585(4) POWER 239080B...
  • Page 33 P33 Cable Wiring Specification 1 of 2 Parts Name CONNECTION1 CONNECTION2 Parts Code 947635 PH-02-0500-RED KEP-590 CN18 KEYBOARD PCB 954839 PH-04-0950-YEL KEP-493 CN5 KEP-573 CN4 942185 PH-05-0400-GRN KEP-493 CN1 KEP-588 CN25 951647 PH-05-0700-GRN KEP-586 CN12 KEP-669 CN1 942295 PH-08-0650-GRY KEP-493 CN10 KEP-592 CN21 947670 PH-09-0200-WHT...
  • Page 34 P34 Cable Wiring Specification 2 of 2...
  • Page 35 1. Copy ｢CS8_060.SYS｣to root folder of USB Memory from SYS folder of CD-R. (Don't copy other .SYS files to same USB memory.) 2. Insert USB Memory to ｢USB to device｣ jack of CS8. 3. Power on CS8 while holding [1],[2],[3] buttons.