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Kawai ES4/es1P Service Manual

Summary of ES4/es1P

  • Page 1

    Kawai musical instruments manufacturing co., ltd. Manufacturing date june 2005 es4/es1p service manual digital piano se984e-s0512 month of issue: january 2006 copyright © 2006 kawai musical instruments mfg. Co.,ltd. All rights reserved..

  • Page 2: ■ Contents

    – 2 – ■ contents specifications ................................................................... 3 hardware list ................................................................... 4 opening procedure ......................................................... 5 case assembly .........................

  • Page 3: ■ Specifications

    – 3 – ■ specifications * specifications are subject to change without notice. Es4 es1p 88 keys with advanced hammer action iv maximum 96 piano (3), e. Piano (3), organ (3), piano1 (4), piano2 (4), e.Piano (4), organ (4) harpsi/mallets (3), strings (3), choir/pad (3), harpsi (4), strings (4), choir/b...

  • Page 4: ■ Hardware List

    – 4 – +binding head p-tite tapping #1 b-tite s-tite +truss head +pan head machine machine w/wahers tapping #1 ■ hardware list no. Parts name q'ty code no. Size es4 es1p 1 +bind/b-tite 3 797980 3 x 12 2 +bind/b-tite 4 798484 3 x 16 3 +bind/b-tite 37 798325 3 x 8 4 +bind/p-tite 12 797983 3 x 16 5 +bin...

  • Page 5: ■ Opening Procedure

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 5 – ■ opening procedure no.11 screw (m5 x 25) no.12 screw (m4 x 16) no.11 screw (m5 x 25) * screw no.: refer to screw list.

  • Page 6: ■ Case Assembly

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 6 – ■ case assembly no. Parts name q'ty code no. Es4b es1pb es1pw 1 arm l 1 815027 815027 815031 2 jack panel l 1 814998 814998 3 ground terminal 1 810784 810784 4 support fitting l 1 815000 815000 5 cheek block ...

  • Page 7

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 7 – 17 13 12 16 10 15 14 15 14 11 1 5 6 2 18 7 8 3 4 9 ■ keyboard unit (rg88 type) no. Code no. Parts name description q’ty 814849 complete keyboard unit 1 1 814651 white key (c) 7 814652 white key (d) 7 814653 w...

  • Page 8

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 8 – 2 2 1 1 1 open snap ring pliers grasp white key fulcrum point 2 black key stopper fulcrum point stopper fulcrum point ■ keyboard disassembling procedure first, remove the keyboard fixing screws (10 pcs.) at t...

  • Page 9: ■ Parts List

    – 9 – code no. Parts name q'ty parts number remarks model 237806 p.W.B. Assy 1 kep-126 (23) cpu es4 237807 p.W.B. Assy 1 kep-126 (24) cpu es1p 237808 p.W.B. Assy 1 kep-196 – 198 (1) panel 237809 p.W.B. Assy 1 kep-192 – 194 (1) analog 237810 p.W.B. Assy 1 kep-099 (4) usb/midi 237347 p.W.B. Assy 1 kkb...

  • Page 10

    – 10 – kep-196 (volume) 813787 slide volume 1 rs30112 vr1 804578 connector 1 s6b-ph-k-s cn2 kep-197 (panel) 812220 ic(hcmos) 1 74hc166p u1 808457 ic(hcmos) 3 74hc595p u2,3,4 805851 transistor 7 dtc143ts q1,2,3,4,5,6,7 810922 led display 1 lb-203ml led1, 813111 led 10 3105vrt led2,3,4,5,6,7,8,9,10,11...

  • Page 11

    – 11 – p.W.B kep-192 – 194 (1) assembly parts list kep-192 (amp) 800676 ic 2 m5218ap u2,4 812222 ic 1 la6517 u3 811018 ic 1 pst600c u1 812950 ic 1 ta8221ah u6 807032 ic 1 pq05rd11 u5 812125 transistor 2 2sc3792 q4,5 812527 transistor 12 2sc5395 q2,6,7,8,9,10,11,12,13,14,16,17 810851 transistor 2 dtc...

  • Page 12

    – 12 – kep-194 (power sw) 815073 diode 1 sf5s4-7100 d5 814982 dc jack 1 lgp7031-1200c ja7 803428 connector 1 b3p-vh cn12 813212 push switch 1 sdkla-ap sw2 813940 screw terminal 1 tp00799-23 code no. Parts name q'ty parts number parts address model p.W.B kep-099 (4) assembly parts list kep-099 (usb/m...

  • Page 13

    – 13 – 2 1 a b a c d e f g h 17 3 4 5 6 7 8 9 10 11 12 13 14 15 16 b c d e f g h i j ■ cable wiring specification (1).

  • Page 14

    – 14 – 2 1 a b a c d e f g h 17 3 4 5 6 7 8 9 10 11 12 13 14 15 16 b c d e f g h i j ■ cable wiring specification (1).

  • Page 15: ■ Block Diagram

    – 15 – 2 1 a b a c d e f g h 17 3 4 5 6 7 8 9 10 11 12 13 14 15 16 b c d e f g h i j ■ block diagram.

  • Page 16

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 16 – ■ p.W.B. Kep-126 assembly [top] b5b-ph 102c 104c 102r 102r b601 102r 103r 103r 104c 103r 103r 103r b9b-ph 102r 102r b601 b601 332r 105r 104c 222r 102r 102r 102r 102c b601 b601 b601 104c 102r 102r 4580 4580 d...

  • Page 17

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 17 – ■ p.W.B. Kep-126 assembly [back] １０４Ｃ １０４Ｃ １０２Ｃ 100μf/6.3v ３３２Ｒ ３３２Ｒ １０２Ｃ ３３２Ｒ ３３２Ｒ 104r 106c 104r １０２Ｒ ３３２Ｃ １０２Ｒ ３３２Ｃ １０２Ｒ ３３２Ｃ １０２Ｒ ３３２Ｃ １０２Ｒ ３３２Ｃ １０２Ｒ ３３２Ｃ １０２Ｒ ３３２Ｃ １０２Ｒ ３３２Ｃ １０２Ｒ １０３Ｒ １０２Ｃ 105c 105c ＡＫ４...

  • Page 18

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 18 – ■ p.W.B. Kep-126 circuit 1/4 vcc i/o0 i/01 i/o2 i/o3 vcc i/o4 i/o5 i/o6 i/o7 nc nc nc we ras nc nc a0 a1 a2 a3 vcc gnd a4 a5 a6 a7 a8 a9 oe ucas lcas nc nc i/o8 i/o9 i/o10 i/o11 gnd i/o12 i/o13 i/o14 i/o15 g...

  • Page 19

    – 19 – 2 b a c d e f g h i j b a c d e f g h i j 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 ■ p.W.B. Kep-126 circuit 2/4 3g 3g 3g 3g 3g byte a16 a15 a14 a13 a12 a11 a10 a9 a8 a19 a21 a20 a18 a17 a7 a6 a5 a4 a3 a2 a1 a0 ce vss vss d15/a-1 d7 d14 d6 d13 d5 d12 d4 vcc vcc d11 d3 d10 d2 d9 d1 d8 d0 oe vss ...

  • Page 20

    – 20 – 2 b a c d e f g h i j b a c d e f g h i j 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 ■ p.W.B. Kep-126 circuit 3/4 dvss dvdd mclk pdn bick sdata lrck smute/csn dfs dem0/cclk dem1/cdti dif0 dif1 dif2 bvss vrefl vrefh avdd avss aoutr+ aoutr- aoutl- aoutl+ vcom p/s cks0 cks1 cks2 dvss dvdd mclk pdn ...

  • Page 21

    – 21 – 2 b a c d e f g h i j b a c d e f g h i j 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 ■ p.W.B. Kep-126 circuit 4/4 fg 3g 3g dir a1 a2 a3 a4 a5 a6 a7 a8 gnd b8 b7 b6 b5 b4 b3 b2 b1 oe vcc 3g 3g 3 g 3g 3 g 3g 3g 3g 3g 3 g 3g 3g 3 g 3 g 3g dir a1 a2 a3 a4 a5 a6 a7 a8 gnd b8 b7 b6 b5 b4 b3 b2 b1 oe v...

  • Page 22

    – 22 – 2 1 a b a c d e f g h 17 3 4 5 6 7 8 9 10 11 12 13 14 15 16 b c d e f g h i j ■ p.W.B. Kep-196 – 198 assembly sw1 sw2 sw3 sw4 sw5 sw6 sw7 sw8 sw9 sw10 es4 demo piano split e.Piano redistration organ harpsi/mallets bass strings choir/pad es1p demo piano1 relax piano2 concert magic e.Piano orga...

  • Page 23

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 23 – ■ p.W.B. Kep-196 – 198 circuit gnd vcc serial input a b c d clock inhibit clock clear e f g output qh parallel input h shift/load 5g 5g 5g 5g 5g qb qc qd qe qf qg qh gnd vcc qa ser g rck sck sclr qb qc qd qe...

  • Page 24

    – 24 – 2 1 a b a c d e f g h 17 3 4 5 6 7 8 9 10 11 12 13 14 15 16 b c d e f g h i j ■ p.W.B. Kep-192 – 194 assembly 1/2.

  • Page 25

    – 25 – 2 1 a b a c d e f g h 17 3 4 5 6 7 8 9 10 11 12 13 14 15 16 b c d e f g h i j ■ p.W.B. Kep-192 – 194 assembly 2/2.

  • Page 26

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 26 – ■ p.W.B. Kep-192 – 194 circuit 1/2 fg fg bp bp input output cont gnd v+ v- v+ v- v+ v- vccvout gnd mute sw i n 1 n f 1 stb swy pre_gnd n f 2 i n 2 r i p p l e pre_vcc v c c 1 o u t 3 o u t 4 g n d 2 g n d 1 ...

  • Page 27

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 27 – ■ p.W.B. Kep-192 – 194 circuit 2/2 s tc2 b2 r l b1 tc1 fg fg fg s tc2 b2 r l b1 tc1 s tc2 b2 r l b1 tc1 fg s tc2 b2 r l b1 tc1 5g 1 1 5g 5 g t b r s t b r s fg fg fg fg ja3 ja6 sw1 cn9 cn10 cn11 c 6 6 c 6 7 ...

  • Page 28

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 28 – ■ p.W.B. Kep-099 assembly usb midi in midi out thru x : not mounted.

  • Page 29: ■ P.W.B. Kep-099 Circuit

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 29 – ■ p.W.B. Kep-099 circuit.

  • Page 30: ■ P.W.B. Kkb-015 Circuit

    – 30 – 2 1 a b a c d e f g h 17 3 4 5 6 7 8 9 10 11 12 13 14 15 16 b c d e f g h i j ■ p.W.B. Kkb-015 circuit 8 3 1 c h 4 7 15 14 13 12 11 10 9 7 1-4 key 5-8 key 9-12 key 13-16 key 13-16 key 17-20 key 21-24 key 29-32 key 6 16 5 4 3 2 1 8 v 5 2 / z 3 7 4 8 3 1 c h 4 7 15 14 13 12 11 10 9 7 33-36 key ...

  • Page 31: ■ Key Switch Matrix

    – 31 – a b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 2 3 4 5 6 7 8 9 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 0 2 1 2 2 2 3 2 4 2 0 a 0 # a 0 b 1 c 1 # c 1 d 1 # d 1 e 1 f 1 # f 1 g 1 # g 1 a 1 # a 1 b 2 c 2 # c 2 d 2 # d 2 e 2 f 2 # f 2 g 2 # g 5 1 - 1 u 5 1...