Kawai CN3 User manual

Kawai Musical Instruments
Manufacturing Co., Ltd.
Manufacturing Date April 2005
CN3
Service Manual
SE978E-S0504

– 2 –
■Contents
■Specifications
88 Keys, Advanced Hammer Action IV
Maximum 96
27
Piano 1, Piano 2, Electric Piano, Drawbar, Church Organ, Harpsi & Mallets, Strings,
Choir & Pad, Bass
Reverb (5), Chorus, Tremolo, Delay (3), Rotary (2)
Equal (Piano Only), Mersenne pure (Major), Mersenne pure (minor), Pythagorea, Meantone,
Werckmeister III, Kirnberger III, Equal (flat), Equal
2 Tracks, 3 Songs
The total memory capacity of the recorder is approximtely 15,000 notes.
Concert Magic (88 Preset Songs), Volume, Dual, Split, Balance Slider, Lesson Function,
Metronome, Transpose, Tune, Lower Octave Shift, Lower Pedal On/Off,
Touch Curve (Light 1, Light 2, Normal, Heavy 1, Heavy 2, Off),
MIDI (16 part multi-timbral capability)
Sustain, Sostenuto, Soft
Headphones (2), LINE IN (L, R), LINE OUT (L/MONO, R), MIDI (IN, OUT)
16 W x 2
16 cm x 2
50 W
Rosewood, Mahogany, European Cherry
1392 x 470 x 827 mm
55” x 19” x 33”
42.5 kg, 94 lbs
Keyboard
Polyphony
Number of Sound
Sound Categories
Effects
Temperaments
Recorder
Other Features
Pedals
Jacks
Output Power
Speakers
Power Consumption
Finish
Dimensions (W x D x H)
(without Music Rack)
Weight (without bench)
* Specifications are subject to change without notice.
Specifications................................................................... 2
Hardware List ................................................................... 3
Case Assembly ................................................................ 4
Key Cover Assembly ........................................................ 5
Stand Assembly ............................................................... 6
Panel Assembly ............................................................... 7
Top Board Assembly ........................................................ 8
Keyboard Unit (RG88 Type) ............................................. 9
Keyboard Disassembling Procedure ............................. 10
Electronic Parts List ....................................................... 11
P.W.B. KEP-126 (11)(12) Assembly Parts List .............. 12
P.W.B. KEP-058 ~ 061 (4) Assembly Parts List ............ 13
P.W.B. KEP-064 ~ 068 (26)(27) Assembly Parts List .... 14
Cable Wiring Specification ............................................. 16
Block Diagram................................................................ 17
P.W.B. KEP-126 (11) Assembly [TOP] ........................... 18
P.W.B. KEP-126 (11) Assembly [BACK] ........................ 19
P.W.B. KEP-126 (12) Assembly [TOP] ........................... 20
P.W.B. KEP-126 (12) Assembly [BACK] ........................ 21
P.W.B. KEP-126 Circuit 1/4 ............................................ 22
P.W.B. KEP-126 Circuit 2/4 ............................................ 23
P.W.B. KEP-126 Circuit 3/4 ............................................ 24
P.W.B. KEP-126 Circuit 4/4 ............................................ 25
P.W.B. KEP-058 – 061 (4) Assembly ............................. 26
P.W.B. KEP-058 – 061 Circuit 1/3 .................................. 27
P.W.B. KEP-058 – 061 Circuit 2/3 .................................. 28
P.W.B. KEP-058 – 061 Circuit 3/3 .................................. 29
P.W.B. KEP-064 – 068 (26) Assembly ........................... 30
P.W.B. KEP-064 – 068 (27) Assembly ........................... 31
P.W.B. KEP-064 – 068 Circuit 1/3 .................................. 32
P.W.B. KEP-064 – 068 Circuit 2/3 .................................. 33
P.W.B. KEP-064 – 068 Circuit 3/3 .................................. 34
P.W.B. KKB-015 Circuit .................................................. 35
Key Switch Matrix .......................................................... 36

– 3 –
+Binding Head
P-TiteB-Tite S-Tite
+Truss Head +Pan Head
MachineTapping #1
Machine Screw with washer
Tapping #1
A
B
■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 3 x 8 Chromating
Binding Head S-tite 3 x 12 Chromating (Black)
Binding Head Tapping #1 3 x 8 Chromating (Black)
Binding Head Tapping #1 3 x 10 Chromating (Black)
Binding Head Tapping #1 3 x 25 Chromating
Binding Head Tapping #1 4 x 30 Chromating
Pan Head Machine Screw w/Washer M3 x 6 Chromating, Spring + Plain
Pan Head Machine Screw w/Washer M3 x 10 Chromating, Spring + Plain
Pan Head Machine Screw w/Washer M5 x 20 Chromating, Spring + Plain
Truss Head Machine Screw M4 x 12 Chromating
Truss Head Machine Screw M4 x 20 Chromating
Truss Head Tapping #1 4 x 10 Chromating
Truss Head Tapping #1 4 x 12 Chromating
Truss Head Tapping #1 4 x 14 Chromating (Black)
Truss Head Tapping #1 4 x 16 Chromating (Black)
Truss Head Tapping #1 4 x 20 Chromating (Black)
Truss Head Tapping #1 4 x 45 Chromating (Black)
Volume Nut M12 Chromating (Black or Yellow)
Staple W=4, L=25
Pin Staple L=30

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– 4 –
■Case Assembly
11
Screws
(4x12)
Screws
(4x12)
Screws
(4x12)
Screws
(4x12)
Screws
(M4x12)
Screws
(4x12)
KEP-065
KT-027
KEP-064
KEP-066
KEP-126
Screws
(3x10)
Screws
(4x12)
KEP-068
Screws
(3x8)
Screws
(3x8)
Screws
(4x12)
Screws
(3x8)
Screws
(3x10)
Screws
(4x12)
Screws
(4x12)
Screws
(4x12)
Screws
(4x20)
Screws
(4x20)
Screws
(M3x12)
Screws
(4x12)
Screws
(4x45)
Screws
(4x45)
Screws
(4x14)
1
Screws
(4x12)
Screws
(4x30)
Screws
(4x8)
Screws
(M4x20)
Screws
(4x8)
Screws
(M4x20)
Screws
(4x12)
Screws
(4x30)
Screws
(4x12)
Screws
(4x12)
Screws
(3x10)
Screws
(4x20)
Screws
(M5x20)
2
3
4
5
6
7
7
8
9
10
10
12
12
13
14
15
15
16
16
17
18
No Code No. Parts Name
Rosewood Cherry Mahogany
1 269801 269802 269803 Case Assy
2 813835 KAWAI sticker
3 814798 Key Cover Rack (Left)
4 814799 Key Cover Rack (Right)
5 947700 Head Phone Hook
6 266270 Control Panel Assy
7 932945 Speaker Punching Metal ( Large )
8 926675 Stand Hook (Left)
9 926680 Stand Hook (Right)
10 940685 Angle
11 948100 Control Panel Support Fitting
12 721220 Binder
13 933250 Cheek Block (L)
14 933295 Cheek Block (R)
15 947584 Cheek Block Fitting
16 814243 Speaker Unit
17 814688 Transformer
18 937560 Radiating Hole Cover

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No Code No. Parts Name
Rosewood Cherry Mahogany
– 272669 272670 272671 Key Cover Assy
1 948099 Key Cover Back Angle
2 941605 Key Cover Shaft
3 947934 947935 947934 Key Cover Handle
4 812601 Key Cover Edge (Left)
5 812697 Key Cover Edge (Right)
6 948111 948112 948113 Key Cover
7 811290 Key Cover Pinion
8 811210 Key Cover Holder
9 948114 948115 948116 Key Cover Rail
Screws
(M3x8)
Screws
(M3x8)
Screws
(M3x8)
Screws
(3x8)
Screws
(3x8)
Screws
(M3x10)
Screws
(3x10)
Screws
(M3x10)
9
8
8
8
7
7
3
4
5
6
1
2
■Key Cover Assembly

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– 6 –
Screws
(6x50)
Screws
(M6x25)
Screws
(M6x25)
Plain Washer
Spring Washer
Screws
(6x50)
Screws
(4x20)
Screws
(4x14)
Screws
(4x14)
Screws
(4x25)
Screws
(4x20)
Plain Washer
Spring Washer
Screws
(4x20)
Screws
(4x20)
Screws
(M6x25)
Screws
(M6x25)
Screws
(4x14)
Screws
(4x14)
Screws
(4x10)
Screws
(4x10)
Screws
(4x25)
Screws
(4x16)
1
13
3
12
2
11
4
5
6
9
7
8
10
10
10
10
■Stand Assembly
No Code No. Parts Name
Rosewood Cherry Mahogany
1 812863 Pedal Unit
2 812240 813594 813595 Toe Block (L)
3 812241 813596 813597 Toe Block (R)
4 937180 Adjuster Bolt M8 x 15
5 948167 813582 813583 Back Board
6 948121 948122 948123 Pedal Board Assy
7 948133 948135 948137 Side Board Assy (L)
8 948134 948136 948138 Side Board Assy (R)
9 721220 Binder
10 926820 SP Box Fitting
11 948101 Pedal Board Fitting L
12 948102 Pedal Board Fitting R
13 812969 Pedal Felt

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–7 –
■Panel Assembly
Screws
(M3x8)
7
45
10
12
9
8
4
5
3
2
1
6
11
Screws
(M3x8)
Screws
(M3x8)
Screws
(M3x8)
Screws
(M3x8)
KEP-060
KEP-061
KEP-059
KEP-058
No Code No. Parts Name
Rosewood Cherry Mahogany
1 948098 Control Panel
2 811104 Power SW Guide Black
3 810031 Power SW Key Top BLK
4 811184 Slide Vol. Knob
5 804910 Slide Volume Cover
6 813273 LED Cover
- 948103 Key Top & Guide Set
7 813402 Key Top (DARK BROWN) A & Guide
8 813399 Key Top with Lens (DARK BROWN) B & Guide
9 813208 Key Top with Lens (Gray) C & Guide
10 811195 Key Top with Lens (Red) D & Guide
11 813272 PCB Spacer
12 812299 PUR (Polyurethane) Foam 10 x 10 x 30

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–8 –
■Top Board Assembly
No Code No. Parts Name
Rosewood Cherry Mahogany
–272672 272673 272674 Top Board General Assy
–272675 272676 272677 Music Rack Assy
1 941584 Top Board Metal Rail
2 945695 945700 948120 Music Rack
3 947939 KAWAI Emblem II
4 948124 948125 948126 Top Board Assy
5 948127 948128 948129 Top Board Front
6 945715 Music Rack Fitting
7 926675 Stand Hook (Left)
8 926680 Stand Hook (Right)
9 811815 Nylon Tube φ 8 x 22
10 810020 Music Rack Support Stopper
11 814004 Music Rack Support
12 945705 945710 814104 Music Rack Under
Screws
(3x25)
Screws
(3x10)
Screws
(3x10)
Screws
(3x25)
3
12
2
6
6
Screws
(3x25)
Screws
(4x10)
Screws
(4x10)
Screws
(4x10)
Screws
(4x10)
Screws
(4x10)
Screws
(4x10)
1
4
5
7
8
9
9
10
10
11
11

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14 11
1
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7 8
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■Keyboard Unit (RG88 Type)
<Keyboard Parts List>
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 White Key (E) 7
814654 White Key (F) 7
814655 White Key (G) 7
814656 White Key (A) 7
814657 White Key (B) 8
814658 White Key (AA) lowest A key 1
814659 White Key (CC) highest C key 1
2 814660 Black Key 36
3 814661 Chassis (A-G#) 7
814662 Chassis (A-C) 1
4 947901A Rib Assy 8
5 814650 Guide Spacer 16
6 947902 Front Rail 1
7 947903 Stopper Rail 1
8 947904 Switch Rail 1
9 947905 Back Rail 1
No. Code No. Parts Name Description Q’ty
10 947907A Hammer Assy (White Key Low) Key No. 1- 15 9
947908A Hammer Assy (White Key Mid-Low) Key No. 16- 32 10
947909A Hammer Assy (White Key Mid-High) Key No. 33- 63 18
947910A Hammer Assy (White Key High) Key No. 64- 88 15
947911A Hammer Assy (Black Key Low) Key No. 1- 15 6
947912A Hammer Assy (Black Key Mid-Low) Key No. 16- 32 7
947913A Hammer Assy (Black Key Mid-High) Key No. 33- 63 13
947914A Hammer Assy (Black Key High) Key No. 64- 88 10
11 814664 Slip Tape 88
12 814665 Guide Tape 88
13 813171 Key Stopper Cushion 1
14 814666 Stopper Felt 2
15 814667 Hammer Upper-Limit Cushion 1
16 814668 Hammer Lower-Limit Cushion 1
17 237347 PWB, KKB-015 Assy 1
800760 IC (Decoder) 74HC138P 3
807339 Diode 1S2076A 176
18 813175 Rubber Contact F-E (12-cup) 8

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–10 –
22
1
1
1
open
Snap Ring pliers
grasp
WHITE KEY
Fulcrum point
2BLACK KEY
Stopper Fulcrum point
Stopper Fulcrum point
■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>
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) screwdriver.)
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.
<How to take a hammer off>
1.Lift the hammer at the fulcrum point.
2.Pull the hammer off.

– 11 –
Code No. Parts Name Q'ty Parts Number Remarks Model
237702 P.W.B. Assy 1 KEP-126 (11) CPU (US,AU)
237703 P.W.B. Assy 1 KEP-126 (12) CPU (GE120,CD,CG,GE230)
237704 P.W.B. Assy 1 KEP-058-061,072 (4) PANEL,VOLUME
237705 P.W.B. Assy 1 KEP-064-068 (26) AMP,HP,JACK,LED,INLET 120V
237706 P.W.B. Assy 1 KEP-064-068 (27) AMP,HP,JACK,LED,INLET 230V
237347 P.W.B. Assy 1 KKB-015 (1) KEYBOARD
814688 Transformer 1 KT-027
814243 Speaker Unit 2 KS16-007
812805 AC Cable 1 UC-505-J01 120V area
809170 AC Cable 1 EC-511-E07 230V area
809171 AC Cable 1 SC-078-J02 Australia
813178 AC Cable 1 2P FOR BS 2.5M 13A UK
941650 PH Standard Cable 1 PH-05-0350 HP-JACK
942195 PH Standard Cable 1 PH-08-0200 JACK-AMP
940600 PH Standard Cable 1 PH-09-0150 PNL (C)-PNL (R)
940545 PH Standard Cable 1 PH-11-0250 PNL (L)-PNL (R)
948020 PH Standard Cable 1 PH-02-0250-RED LED-KBD
948021 PH Standard Cable 1 PH-04-0200-YEL MIDI-CPU
947636 PH Standard Cable 1 PH-09-0400-WHT CPU-JACK
814796 PH Standard Cable 1 PH-10-0500-BLK PNL (R)-CPU
948023 PH Standard Cable 1 PH-15-0200-GRN KBD-CPU
947641 Power Switch Cable 1 SW-INLET
948025 CPU Power Cable 1 AMP-CPU
948192 Pedal Cable 1 PDL-CPU
948028 Speaker Cable 1 SP-AMP
814797 Volume Cable 1 VOLUME-JACK
812267 Headphone Ground Cable 1 KPBB-0111 HP-KEY BED
812265 Ground Cable 1 KPBB-0109 1007 #18 Black 120 T-T
■Parts List
Electronic Parts List

– 12 –
Code No. Parts Name Q'ty Parts Number Parts Address Model
812215 CPU 1 MB91101APF-G U2
814414 TG 1 K022-FP U6
814435 Reset IC 1 BD5245 FVE-TR U29
810368 Regulator 1 NJM78L05UA-TE1 U17
813047 Regulator 1
µ PC2933AT-E1 U27
812219 OP-AMP 4 NJM4580E-T1 U13,14,18,22
237707 Flash ROM 1 KP441-F9FP U3 US,AU
237708 Flash ROM 1 KP442-F9FP U3 GE120,CD,
CG,GE230
814418 DRAM 1 IC41LV16257-35T-EL U4
814416 SRAM 1 UT62L2568LS-70LL/UT62L2568LS-70LLI U9
814690 ROM 1 KP437-MCFW U28
814074 DAC 1 AK4393VF-E2 U15
812217 LOGIC 2 TC74HCT7007AF (TP1) U23,25
804056 LOGIC 1 HD74HC245FPEL U24
812958 X’tal Oscillator 1 DSO751SV 33.8688MHz X2
812722 X’tal Resonator 1 SMD-49 12.5MHz / CX-49G 12.5MHz X1
813358 Chip Bead 34 BLM18AG601SN1D EM1,3,5,8,9,10,13,14,16,
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
P.W.B. KEP-126 (11)(12) Assembly Parts List

– 13 –
KEP-058 (Volume)
804978 Slide Volume 1 RS30112AC00QA VR1
KEP-059 (Panel L)
813111 LED 11 EL3105VRT/TR1-11 (A) LED1,2,3,4,5,6,7,8,9,
10,11
800625 Diode 11 1SS133T-77 D1,2,3,4,5,6,7,8,9,
10,11
808345 Switch 11 KSH0612AT / EVQ21305R SW1,2,3,4,5,6,7,8,9,
10,11
KEP-060 (Panel R)
812220 IC 1 HD74HC166P U1
808457 IC 2 HD74HC595P U2,3
812527 Transistor 4 2SC5395-T12-E Q4,5,6,7
813111 LED 9 EL3105VRT/TR1-11 (A) LED17,18,19,21,22,
23,24,25,26
800625 Diode 11 1SS133T-77 D15,16,17,18,19,21,
22,23,24,25,26
808345 Switch 11 KSH0612AT / EVQ21305R SW15,16,17,18,19,21,
22,23,24,25,26
810870 Slide Volume 1 RS30111AC015A VR2
KEP-061 (LED Display)
808457 IC 1 HD74HC595P U4
811758 Transistor 3 DTB113ZS-TP Q1,2,3
808805 LED Display 1 SL-9351S LED27
P.W.B. KEP-058~061 (4) Assembly Parts List
Code No. Parts Name Q'ty Parts Number Parts Address Model

– 14 –
Code No. Parts Name Q'ty Parts Number Parts Address Model
KEP-064 (Jack)
800676 IC 1 NJM4558D/M5218AP U1
812222 IC 1 LA6517 U5
806719 IC 1 PC900V U3
814530 IC 1 PST600D U2
812125 Transistor 2 2SC3792 Q3,4
812527 Transistor 1 2SC5395-T12-E Q6
808973 Transistor 1 DTA114ESA-TP Q5
810851 Transistor 3 DTC143ESA-TP Q7,8,9
800625 Diode 3 1SS133T-77 D5,6,7
807082 Zenor Diode 1 HZS6C3TD D8
813000 Metal Film Resistor 1 RNM 1/4 C3 5601 F TP R29
813112 Metal Film Resistor 1 RNM 1/4 C3 7501 F TP R28
808473 MIDI Jack 1 YKF51-5053/HDC-052-A-12 JA4
808979 Pin Jack 1 YKC21-3045/HSP-252V2-04 JA3
803439 Phone Jack 2 YKB21-5074N JA1,2
KEP-065 (AMP)
812950 IC 1 TA8221AH U103
800676 IC 1 NJM4558D/M5218AP U101
814530 IC 1 PST600D U104
813252 IC 1 PQ05RF21 U102
812527 Transistor 9 2SC5395-T12-E Q101,102,103,104,
105,106,107,109,111
810851 Transistor 1 DTC143ESATP Q110
808952 Bridge Diode 1 DBF40C D105
807082 Zener Diode 1 HZS6C3TD D109
805989 Zener Diode 1 HZS4ALL D108
811767 Retardant Resistor 1 ERDS1FJ101T/CPFS1/2CT26A101J R136
813823 Metal Film Resistor 4 MOSX 1/2 C T26 A 1R2J R155,156,157,158
810861 Metal Film Resistor 1 MOSX 2 C L15A 2R7J J105
807403 Electrolytic Capacitor 1 TC04RSMG25VB2200M F50E1 C125
811707 Electrolytic Capacitor 1 SMQ25VB10000M E1 C137
812961 IC Protecter 1 ICP-N10T104 F2
P.W.B. KEP-064~068 (26)(27) Assembly Parts List

– 15 –
KEP-066 (HP)
812297 Retardant Resistor 4 ERDS1FJ68RT/CPFS1/2CT26A68RJ R201,202,203,204
805764 EMI Coil 4 LFD648075600/SBT0160W L201,202,203,204
802576 Phone Jack 2 YKB21-5006N/HTJ-064-04A JA201,202
KEP-067 (LED)
814844 LED 1 SEL4117R TP2 LED301
KEP-068 (INLET)
811711 High Voltage Capacitor 1 DE1E3KX472MB5BA01 C403
814467 High Voltage Capacitor 1 ECQU3A104MG C401
811358 AC Inlet 1 HJC-028A/CCT9302-0201 AC1 120V
811191 AC Inlet 1 HJC-028/CCT9302-0101 AC1 230V
812416 Fuse 1 234 02.5M (Littelfuse Inc.) F1 120V
* Medium-Acting Fuse
2.5A/250V 5 x 20 mm
814333 Fuse 1 218.630M (Littelfuse Inc.) F1 230V
* Time Lag Fuse
630mA/250V 5 x 20 mm
Code No. Parts Name Q'ty Parts Number Parts Address Model

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1
941650 PH-05-0350 KEP-064-CN2 KEP-066-CN201 1
2
942195 PH-08-0200 KEP-064-CN4 KEP-065-CN101 1
3
940600 PH-09-0150 KEP-060-CN4 KEP-061-CN8 1
4
940545 PH-11-0250 KEP-059-CN1 KEP-060-CN5 1
5
948020 PH-02-0250-RED KEP-067-CN301 Keyboard (RG88) 1
6
948021 PH-04-0200-YEL KEP-064-CN6 KEP-126-CN14 1
7
947636 PH-09-0400-WHT KEP-064-CN1 KEP-126-CN18 1
8
814796 PH-10-0500-BLK KEP-060-CN3 KEP-126-CN17 1
9
948023 PH-15-0200-GRN KEP-126-CN13 Keyboard (RG88) 1
10
- Power Switch Cable KEP-068-CN402 Switch 1
11
948025 CPU Power Cable KEP-065-CN104 KEP-126-CN10 1
12
948192 Pedal Cable KEP-126-CN21 Pedal (JACK PANEL) 1
13
948028 Speaker Cable KEP-065-CN105 Speaker (L, R) 1
14
814797 Volume Cable KEP-058-CN2 KEP-064-CN3 1
15
812267 Headphone Ground Cable KEP-066 Key Bed 1
16
812265 Ground Cable Control Panel Fitting Key Bed 1
Cable Parts List AC Cable List
for 120V area 8 12805
8 09170
8 09171
8 13178
1
1
1
1
for 230V area
for Australia
for UK
No. Code No. Code No.Name Termination 1 Termination 2 DescriptionQ'ty Q'ty
KEP-067
CN301
Cable Tie (Inshlock Tie)
(PTL1M)
Binder
(EFB-0692)
Nylon Clamp
(NK-6N)
Ferite Core
(KR06TB251512B1)
Vinyl Binder (small)
(L=100)
6
2
1
2
9
13
15
12
1 6 14
14
7 1
9
9
2
205
CN201
KEP-066
KEP-058 KEP-059 KEP-061 KEP-060
KEP-068
KT-027
KEP-065
CN6
CN2
4
CN1
3
4
3 8
CN8
CN5 CN4 CN3
CN401 CN402
CN104
CN106
CN105
CN101
CN1 CN3
12
6
87
11
CN21
CN14
CN17 CN13
KEP-126 CN18
CN10
CN2 CN4
KEP-064
110
10
13
11
13
2
13
13
16
16
10
5
5
110
205
POWER
■Cable Wiring Specification

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A
B
C
D
E
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1 234567891011121314151617
KEP-059,060,061 KEP-058
PANEL
SW & LED
7SEG LED
x 3 VOLUME
PANEL
KEP-126
FOOT
PEDAL KEYBOARD
PILOT
LAMP
KEP-067
PRIMARY
FUSE
POWER
SWITCH
AC IN
TRANS-
FORMER
KT-027
KEP-068
KS16-007 (16cm)
MIDI LINE IN LINE OUT
MIX AMP
M5218A
HEADPHONE
AMP
LA6517
KEP-064
HEADPHONE
KEP-066
KEP-065
EQ AMP
M5218A
P.S. for
ANALOG
P.S. for
DIGITAL RECTIFIER
POWER AMP
TA8221AH
+16V
+5V
MPU
MB91101A
12.5
MHz
33.8688
MHz
RESET
BD5245FVE
BUF
24bit
D/A
AK4393
SRAM
2Mbit
DRAM
4Mbit
P2ROM
KP437-MCFW
64Mbit
FlashROM
KP441-F9FP
or KP442-F9FP
8Mbit
BUF
DIGITAL +5V
DIGITAL
+3.3V
16
16
16
16 8
8
SOUND SOURCE/
TOUCH LSI
K022-FP
REGULATOR
µPC-2933
■Block Diagram

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1 234567891011121314151617
■P.W.B. KEP-126 (11) Assembly [Top]
X : Not Mounted

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1 234567891011121314151617
■P.W.B. KEP-126 (11) Assembly [Back]
X : Not Mounted

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1 234567891011121314151617
■P.W.B. KEP-126 (12) Assembly [Top]
X : Not Mounted