- DL manuals
- Kawai
- Musical Instrument
- CN2
- Service Manual
Kawai CN2 Service Manual - page 21
Summary of CN2
Page 1
Kawai musical instruments manufacturing co., ltd. Manufacturing date december 2004 cn2 service manual se977e-s0502.
Page 2: ■ Contents
– 2 – ■ contents ■ specifications * specifications are subject to change without notice. Keyboard touch type max polyphony tones reverb metronome recorder other functions pedals jacks speakers output power power consumption dimensions weight specifications ..............................................
Page 3: ■ Hardware List
– 3 – +binding head tapping p-tite b-tite s-tite tapping #1 a b +pan head machine with washer machine +truss head s-tite tapping #1 ■ 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) bindi...
Page 4: ■ 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 – 4 – ■ case assembly 1 12 12 13 13 6 8 15 9 8 10 3 11 4 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) s...
Page 5: ■ Stand 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 – 5 – ■ stand assembly screws (6x50) screws (m6x25) screws (m6x25) screws (m6x25) plain washer spring washer screws (6x50) screws (4x20) screws (4x14) screws (4x14) screws (4x25) screws (4x20) plain washer spring w...
Page 6: ■ Cheek Block 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 – ■ 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 na...
Page 7: ■ Key Cover 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 – 7 – ■ 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 rosewood cherry mahogany 1 9479...
Page 8: ■ Top Board 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 – 8 – screws (3x10) screws (4x10) screws (4x10) screws (4x10) 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 ■ top board assembly no code no. Parts na...
Page 9
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 – 9 – 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 10
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 – 10 – 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 ...
Page 11: ■ Parts List
– 11 – 237699 p.W.B. Assy 1 kep-126 (10) cpu 237700 p.W.B. Assy 1 kep-151-157 (2) panel,volume,amp,hp,midi,led,inlet 120v 237701 p.W.B. Assy 1 kep-151-157 (3) panel,volume,amp,hp,midi,led,inlet 230v 237347 p.W.B. Assy 1 kkb-015 (1) keyboard 814688 transformer 1 kt-027 813446 speaker unit 2 ks12-015 ...
Page 12
– 12 – 812215 cpu 1 mb91101apf-g u2 814414 tg 1 k022-fp mb87l8040 u6 814435 reset ic 1 bd5245 fve-tr u29 810368 regulator 1 njm78l05ua-te1 u17 813047 regulator 1 µpc2933at-e1 u27 812219 op-amp 4 njm4580e-t1 u13,14,18,22 237690 flash rom 1 kp438-f9fp(a29l800tv-70) u3 814418 dram 1 ic41lv16257-35t-el ...
Page 13
– 13 – kep-151(panel) 808457 logic 1 hd74hc595p u8 813111 led 6 el3105vrt/tr1-11(a) led2,3,4,5,6,7 800625 diode 6 1ss133t-77 d9,10,11,12,13,14 808345 switch 6 ksh0612at / evq21305r sw1,2,3,4,5,6 kep-152(volume) 804978 slide volume 1 rs30112ac00qa vr1 kep-153(amp) 812950 amp 1 ta8221ah u5 812222 head...
Page 14
– 14 – code no. Parts name q'ty parts number parts address model kep-154(hp) 812297 retardant resistor 4 cpfs1/2ct26a68rj r50,51,52,53 805764 emi coil 4 sbt0160w l1,2,3,4 230v 802576 phone jack 2 ykb21-5006/htj-064-04a ja1,2 kep-155(midi) 806719 photocoupler 1 pc900v u7 810851 transistor 2 dtc143esa...
Page 15
– 15 – ■ cable wiring specification cable tie(inshlock tie) nyron clamp ( ptl1m ) 1 ( nk-6n ) 1 binder ferrite core ( efb-0692 ) 1 ( kr06tb251512b1 ) 1 vinyl binder(small) ( l=100 ) 13 cable parts list ac cable list no. 1 1 for 120v area 1 2 1 for 230v area 1 3 1 for australia 1 4 1 for england 1 5 ...
Page 16: ■ Block Diagram
– 16 – kep-153 kep-152 kep-151 p2rom kp437-mcfw 64mbit mpu mb91101a reset bd5245fve 12.5 mhz 33.8688 mhz 16 8 8 regulator µpc-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...
Page 17
– 17 – 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 ■ p.W.B. Kep-126 (10) assembly [top].
Page 18
– 18 – 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 ■ p.W.B. Kep-126 (10) assembly [back].
Page 19
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 – 19 – ■ p.W.B. Kep-126 circuit 1/4.
Page 20
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 – 20 – ■ p.W.B. Kep-126 circuit 2/4.
Page 21
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 – 21 – ■ p.W.B. Kep-126 circuit 3/4.
Page 22
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 – 22 – ■ p.W.B. Kep-126 circuit 4/4.
Page 23
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 – 23 – ■ p.W.B. Kep-151– 157 (2) assembly b3p-vh b4p-vh b2p-vh 4.7uf /25v pst600d hzs6c3td pst600d hzs6c3td 103r 104r 104r 332r 2r7r 101r 47uf /16v 102c pq05rf21 dbf40c 104c 100uf /25v 1000uf /25v 2sc5395 2sc5395 2...
Page 24
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 – 24 – ■ p.W.B. Kep-151– 157 (3) assembly b3p-vh b4p-vh b2p-vh 4.7uf /25v pst600d hzs6c3td pst600d hzs6c3td 103r 104r 104r 332r 2r7r 101r 47uf /16v 102c pq05rf21 dbf40c 104c 100uf /25v 1000uf /25v 2sc5395 2sc5395 2...
Page 25
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 – 25 – ■ p.W.B. Kep-151 – 157 circuit 1/3.
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-151 – 157 circuit 2/3.
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-151 – 157 circuit 3/3 rated power voltage ac 110 – 120 v ac 220 – 240 v l1, l2, l3, l4 jp 5 mm sbt-0160w rated power voltage ac 110 – 120 v ac 220 – 240 v jumper address j3 j4 fuse type 234 02.5...
Page 28: ■ P.W.B. Kkb-015 Circuit
– 28 – ■ p.W.B. Kkb-015 circuit 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 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...
Page 29: ■ Key Switch Matrix
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 – 29 – ■ key switch matrix 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...