Kawai Stage Piano MP8 User manual

Kawai Musical Instruments
Manufacturing Co., Ltd.
Manufacturing Date August 2005
MP8
Service Manual
PROFESSIONAL STAGE PIANO
SE985E-S0509

– 2 –
■Contents
Specifications................................................................... 3
Hardware List ................................................................... 4
Opening Procedure ......................................................... 5
Case Assembly ................................................................ 6
Panel Assembly ............................................................... 7
Keyboard Unit (WK88 Type) ............................................ 8
Keyboard Disassembling Procedure ............................... 9
Electrical Parts List ........................................................ 11
P.W.B. KEP-191(1) Assembly Parts List ........................ 12
P.W.B. KEP-179~185(2) Assembly Parts List ................ 13
P.W.B. KEP-186~189 (4) (5) (6) Assembly Parts List ... 14
P.W.B. KEP-099 (3) Assembly Parts List ....................... 16
Cable Wiring Specification............................................. 17
Block Diagram................................................................ 18
P.W.B. KEP-191 (1) Assembly [TOP] ............................. 19
P.W.B. KEP-191 (1) Assembly [BACK] .......................... 20
P.W.B. KEP-191 Circuit 1/6 ............................................ 21
P.W.B. KEP-191 Circuit 2/6 ............................................ 22
P.W.B. KEP-191 Circuit 3/6 ............................................ 23
P.W.B. KEP-191 Circuit 4/6 ............................................ 24
P.W.B. KEP-191 Circuit 5/6 ............................................ 25
P.W.B. KEP-191 Circuit 6/6 ............................................ 26
P.W.B. KEP-179-185 (2) Assembly ................................ 27
P.W.B. KEP-179-185 Circuit 1/2 .................................... 28
P.W.B. KEP-179-185 Circuit 2/2 .................................... 29
P.W.B. KEP-186-189 (4) Assembly ................................ 30
P.W.B. KEP-186-189 (5) Assembly ................................ 31
P.W.B. KEP-186-189 (6) Assembly ................................ 32
P.W.B. KEP-186-189 Circuit 1/3 .................................... 33
P.W.B. KEP-186-189 Circuit 2/3 .................................... 34
P.W.B. KEP-186-189 Circuit 3/3 .................................... 35
P.W.B. KEP-099 (3) Assembly ....................................... 36
P.W.B. KEP-099 Circuit .................................................. 37
P.W.B. KKB-008 Circuit .................................................. 38
Key Switch Matrix .......................................................... 39

– 3 –
■Specifications
* Specifications are subject to change without notice.
88 Keys with AWA Grand PRO Wooden-Key Action
192 Voices
Harmonic Imaging Technology
256 Sound
Piano (28), Harpsichord (4), E. Piano (20), Clavi (4), Mallet (8), Drawbar (32), Organ (28),
Accordion (4), Strings (20), Vocal (12), Brass (32), Pad&Synth (32), Bass (12), Guitar (16),
DrumKit (4)
256 Setup Memories
4 Band (±12dB)
Plate, Hall 1, Hall 2, Stage 1, Stage 2, Room 1, Room 2
Chorus, Flanger, Celeste, Ensemble, Delay 1, Delay 2, Delay 3, Delay 4, Auto Pan 1, Auto
Pan 2, Tremolo 1, Tremolo 2, Phaser 1, Phaser 2, Rotary 1, Rotary 2, Auto Wah, Pedal Wah,
Enhancer, Overdrive (* It is selected to each 4 zones)
Panel Lock (On/Off), Touch Curve (On/Off), Rotary Speed (Slow/Fast), EQ Bypass (On/Off),
Wheel Lock (On/Off), FSW Lock (On/Off), EXP Lock (On/Off), External Seq (Start/Stop)
16 Character x 2 line; Backlit LCD
Pitch Bend, Modulation
Master Volume, 4 Zone Volumes
4 Knobs
EFX rate, EFX depth, REV time, REV depth
Lo, Mid Lo, Mid Hi, Hi
Cutoff, Attack, Decay, Release
A, B, C, D (assignable) [External] CC# 0~119
[Internal] Pan, Expression, Sustain, Resonance, Vib rate, Vib depth, Vib delay, Chorus depth
Damper/Soft Pedal, Footswitch (assignable), Expression (assignable)
4Zones
Internal, External, Both (Internal + External)
8 Sections Edit
Master Volume, Expression CC#, Footswitch CC#, Temperament (7 Historical + User),
Stretch, Sound Select (TX Ch/Bank#/PC#), Damper Effect, String Resonance, Voicing, Key
Range Hi, Key Range Lo, Velocity SW, Velocity Comp./Offset, Zone Transpose, Volume, Pan,
Fine Tune, Damper (On/Off), Foot SW (On/Off), Exp Pedal (On/Off), Modulation (On/Off),
Bender (On/Off), Bender Range, Solo (On/Off), Solo Mode
Current, All
Tempo, Volume
Heavy+, Heavy, Normal, Light, Light+, Off, User1, User2
Hi, Lo
Stereo, 2 x Mono
XLR output with Grand Lift SW (L,R), 1/4 inch output (L/Mono, R), Headphones,
MIDI (In, Out,Thru), USB (MIDI interface)
1466 x 442 x 189 mm (58" x 17" x 7")
35 kg (77 LB's)
Music Rack, Power Cable, Damper/Soft Pedal (F-20), Owner's Manual
Keyboard
Max. Polyphony
Sound
Setup
EQ
Reverb
Effects
SW
(Assignable function)
Display
Wheels
Sliders
Knob Control
Effect
EQ
Tone Modify
MIDI CC#
Pedal Sockets
Zone
Zone Modes
Menu Parameters
Common
Section
Setup Data Dump
Metronome
Touch Curves
LED Brightness
Output Modes
Sockets
Dimensions
Weight
Accessories

– 4 –
+Binding Head +Binding Head Machine Screw
with External Tab Washer
P-TiteB-Tite S-TiteMachine
+Truss Head
+Oval Countersunk Head +Pan Head
Machine MachineTapping #1Tapping #1
External
Tab
Washer
■Hardware List
No. Type Size Remarks
1 +Binding Head Machine Screw M2.6 x 4
2 +Binding Head Machine Screw M3 x 6, 8
3 +Binding Head Machine Screw M4 x 8 Black Chromating
4 +Binding Head Machine Screw with External Tab Washer M4 x 8
5 +Binding Head/S-Tite 3 x 6
6 +Binding Head/S-Tite 3 x 8 Black Chromating
7 +Binding Head/S-Tite 4 x 8 Black Chromating
8 +Binding Head/B-Tite 3 x 6, 8, 12
9 +Binding Head/P-Tite 3 x 10 Black Chromating
10 +Truss Head Tapping #1 4 x 14, 16
11 +Truss Head Machine Screw M4 x 16
12 +Truss Head Machine Screw M4 x 20, 25 Black Chromating
13 +Truss Head Machine Screw M5 x 25 Black Chromating
14 +Pan Head Machine Screw M5 x 25 w/Washers
15 +Oval Countersunk Head/Tapping #1 3 x 10 Black Chromating
16 Plain Washer 3, 4, 7, 9 mm
17 Volume Nut M9, M12
18 Hexagon Nut M7

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– 5 –
■Opening Procedure
M5 x 25 Q'ty 8
+Truss Head Machine Screw

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–6 –
■Case Assembly
12
14
13
Screws
(4x16)
Screws
(4x14)
Screws
(4x14)
Screws
(3x8)
Screws
(3x8)
3
2
M4x25
M5x25
M5x25
M5x25
M5x25
M4x20
M4x20
M5x25
Screws
(4x16)
Screws
(4x16)
Screws
(4x16)
Screws
(4x16)
Screws
(4x16)
Screws
(M4x16)
Screws
(M4x16)
Screws
(M4x16)
Screws
(M4x16)
Screws
(4x8)
Screws
(3x6)
M4x25
M4x25
KEP-185
4
2
2
Screws
(3x6)
Volume Nut
(M12)
27
27
27
27
5
6
28
Screws (3x8)
Washer (M3)
8
9
15
16
Screws
(4x14)
Screws
(4x14)
Screws
(M4x8)
Screws
(M4x8)
Screws
(M3x6)
Screws
(3x8)
Screws
(M3x6)
Screws
(M4x8)
Screws
(3x8)
Hexagon Nut
(M7)
Washer
(M7)
26 25
26
25
24
17
20
21
KEP-181
KEP-179 KEP-180
KEP-182
LCD
KEP-191
KEP-186
KEP-187
KEP-189
KEP-183
KEP-188
KEP-099
24
23
23
Screws
(3x12)
Screws
(3x8)
Screws
(3x12)
Screws
(M3x8)
Screws
(M3x8)
Volume Nut
(M9)
Screws (3x6)
Screws
(M3x6)
Screws (3x8)
Screws
(3x8) Screws
(3x8)
Screws
(3x8)
Screws
(3x8)
Screws
(3x8)
Screws
(3x8)
Screws
(M2.6x4)
Washer
(M9)
18
Screws
(3x10)
Screws
(3x10)
Screws
(3x10)
Screws
(3x8)
Screws
(3x8)
Screws
(4x8)
Screws
(4x8)
Screws
(4x8)
Screws
(4x8)
Screws
(3x6)
Washer
(M4)
11
22
7
15
1
19
No. Code No. Name Description Q'ty
1 944490 Key Bed 1
2 812626 Rubber Foot with Washer 5
3 948344 Key Slip Assy. 1
4 948257 Headphone Fitting 1
5 944500 EMI Spring Fitting 1
6 815082 EMI Spring 1
7 263352 Arm Assembly (L) 1
8 948345 Arm (L) 1
9 948347 Arm Bracket (L) 1
10 948350 Cheek Block (L) 1
11 263351 Arm Assembly (R) 1
12 948346 Arm (R) 1
13 948348 Arm Bracket (R) 1
14 948349 Cheek Block (R) 1
15 263353 Wheel Assembly 1
16 948351 Power PWB Fitting 1
17 948352 Front Panel 1
18 948353 Rear Panel 1
19 939885 Rotary Volume Fitting 1
20 948223 LCD Fitting (L) 1
21 948224 LCD Fitting (R) 1
22 815083 Keyboard Felt (Dark Blue) 1
23 932975 PCB Fitting 4
24 804041 Spacer 6
25 810030 Music Rack Stopper 2
26 944485 Music Rack Stopper Fitting 2
27 813590 Hinge 4
28 812765 Stopper Sheet 1

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1 234567891011121314151617
–7 –
■Panel Assembly
11
13 5 2
6
1
4
3
3
4
1
1
14 8 11
12
107 9
No. Code No. Name Description Q'ty
1 811555 Key Top 44
2 813702 LCD Cover 1
3 272393 Slide Volume Cover 5
Assembly
4 804969 Slide Volume Knob 5
5 811799 Rotary Volume Knob 4
6 814853 LCD
PMC16021E8-SBL 1
7 813805 USB Connecter YKF45-0002 1
8 807643 XLR Jack YKF52-5003N 2
9 808473 MIDI Jack YKF51-5053 1
10 812442 MIDI Jack YKF51-5061 1
11 803439 Phone Jack YKB21-5074 5
12 802576 Phone Jack YKB21-5006 1
13 814856 Power Switch SDDJE11600 1
14 811643 AC Inlet AC-P01CF01 1

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1 234567891011121314151617
–8 –
■Keyboard Unit (WK88 Type)
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1 234567891011121314151617
–9 –
■Keyboard Disassembling Procedure
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– 11 –
Code No. Parts Name Q'ty Parts Number Remarks Model
237798 P.W.B. Assy 1 KEP-191 (1) CPU
237772 P.W.B. Assy 1 KEP-099 (3) MIDI, USB
237802 P.W.B. Assy 1 KEP-179~185 (2) PANEL, HP
237803 P.W.B. Assy 1 KEP-186~189 (4) ANALOGS, A/D, JACK, POWER 100V
237804 P.W.B. Assy 1 KEP-186~189 (5) ANALOGS, A/D, JACK, POWER 120V
237805 P.W.B. Assy 1 KEP-186~189 (6) ANALOGS, A/D, JACK, POWER 230V
237434 P.W.B. Assy 1 KKB-008 KEYBOARD
948367 PH Standard Cable 1 PH-04-0350-YEL JACK-ANALOG
948368 PH Standard Cable 1 PH-04-0750-YEL POWER-ANALOG
948278 PH Standard Cable 1 PH-05-0100-GRN CPU-ANALOG
948301 PH Standard Cable 1 PH-05-0950-GRN HP-ANALOG
948369 PH Standard Cable 2 PH-06-0200-BLU ANALOG-XLR, PNLC-PNLR
948235 PH Standard Cable 1 PH-06-0350-BLU FSW-ANALOG
948373 PH Standard Cable 1 PH-06-0550-BLU PNLL-ANALOG
948371 PH Standard Cable 1 PH-07-0600-PUR CPU-ANALOG
948281 PH Standard Cable 1 PH-08-0130-GRY PNLC-PNLR
948411 PH Standard Cable 1 PH-08-0450-GRY PNLL-ANALOG
948412 PH Standard Cable 1 PH-09-0250-WHT ROTALY-ANALOG
947649 PH Standard Cable 1 PH-09-0700-WHT CPU-MIDI
814796 PH Standard Cable 1 PH-10-0500-BLK PNLR-ANALOG
948292 PH Standard Cable 1 PH-11-0100-BRN CPU-ANALOG
948284 PH Standard Cable 1 PH-12-0140-RED PNLC-PNLL
948366 PH Standard Cable 1 PH-16-0250-BLU CPU-ANALOG
948372 VH Standard Cable 1 VH-02-1100 POWER-CPU
948356 Keyboard Cable 1 CPU-KBD
948357 LCD Cable 1 CPU-LCD
948289 Power Switch Cable 1
948358 Wheel Cable 1
935955 Inlet Cable 1
936210 Earth (1) Cable 1
948294 Earth Cable (2) 2
814853 LCD 1 PMC16021E8-SBL
811643 AC Inlet 1 AC-P01CF01
814856 Power Switch 1 SDDJE11600
810300 Ferrite Core 1 KR06TB251512B1
808599 Ferrite Core 2 SFC-8
805995 Rotaly Volume 1 RK163110 50K Special
805996 Rotaly Volume 1 RK163110 50K CT Special
811615 AC Cable 1 UC01K-3S-325B-3A 120V area
811616 AC Cable 1 CE01K-3S-325B-3A 230V area
811617 AC Cable 1 BS01K-3S-325B-3A UK
811619 AC Cable 1 SA01K-3S-325B-3A Austrlia
811620 AC Cable 1 JS01K-2S-225B-3A Japan
■Parts List
Electrical Parts List

– 12 –
Code No. Parts Name Q'ty Parts Number Parts Address
814750 MPU 1 MB91302APFF-G U7
814414 MG 2 K022-FP U10, 12
810368 Voltage Regulator 1 NJM78L05UA-TE1 U27
813047 Voltage Regulator 1 µPC2933AT U36
237799 Flash ROM 1 KP465-F9FP U3
814854 P2ROM 1 KP446-MDFW U15
814437 P2ROM 1 KP412-MDFW U13
814438 P2ROM 1 KP413-MDFW U14
814845 Reset 1 BD5245 G-TR U4
812217 Logic 2 TC74HCT7007AF (TP1) U33, 34
812958 X'tal Oscillator 1 DSO751SV 33.8688MHz X2
814758 X'tal Resonator 1 SMD-49 17.00MHz X1
804572 Connector 1 B5B-PH-K-S CN6
804573 Connector 1 B7B-PH-K-S CN3
805827 Connector 1 B9B-PH-K-S CN7
806174 Connector 1 B11B-PH-K-S CN5
803426 Connector 1 B15B-PH-K-S CN4
806947 Connector 1 B16B-PH-K-S CN10
807220 Connector 1 B2PS-VH CN9
813358 Chip Bead 17 BLM18AG601SN1D EM3, 4, 17, 18, 30, 36, 49, 50, 51, 53,
56, 57
R143, 144, 146, 147, 150
P.W.B. KEP-191 (1) Assembly Parts List
[TOP]
[BACK]
Code No. Parts Name Q'ty Parts Number Parts Address
814754 SDRAM 1 EM638165TS-7 U5
814416 SRAM 2 UT62L2568LS-70LL/UT62L2568LS-70LLI U9, 11
812219 OP AMP 3 NJM4580E-T1 U23, 24, 26
814074 DAC 1 AK4393VF-E2 U25
804056 Logic 1 HD74HC245FPEL U24
813358 Chip Bead 41 BLM18AG601SN1D EM1, 2, 5, 6, 8, 9, 10, 11, 12, 13, 14,
15, 16, 19, 20, 21, 22, 23, 24, 25, 26,
27, 28, 29, 31, 32, 33, 34, 35, 38, 40,
41, 42, 45, 46, 47, 48, 52, 54, 55
R134

– 13 –
KEP-179 (Panel Left)
813111 LED 8 EL3105VRT/TR1-11 (A) LED1, 2, 3, 4, 5, 6, 11, 12
814696 LED 4 GL2HD6 LED7, 8, 9, 10
812662 LED 4 GL2EG6 LED13, 14, 15, 16
813838 LED 4 SPR-325MVW LED17, 18, 19, 20
800625 Diode 12 1SS133T-77 D1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
808345 Switch 12 EVQ21305R/KSH0612AT SW1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
804643 Slide Volume 4 RS30111AC015A VR2, 3, 4, 5
804978 Slide Volume 1 RS30112AC VR1
804578 Connector 1 S6B-PH-K-S CN2
804580 Connector 1 S8B-PH-K-S CN1
804582 Connector 1 S12B-PH-K-S CN4
810347 Spacer 8 LDS-50R LED7, 8, 9, 10, 13, 14, 15, 16
KEP-180 (Panel Center)
813111 LED 3 EL3105VRT/TR1-11 (A) LED21, 22, 23
800625 Diode 5 1SS133T-77 D13, 14, 15, 16, 17
808345 Switch 5 EVQ21305R/KSH0612AT SW13, 14, 15, 16, 17
804578 Connector 1 S6B-PH-K-S CN6
804580 Connector 1 S8B-PH-K-S CN7
804582 Connector 1 S12B-PH-K-S CN5
KEP-181 (Panel Right)
812220 LOGIC 1 HD74HC166P U1
808457 LOGIC 2 HD74HC595P U2, 3
810851 Transistor 10 DTC143ESATP Q1, 2, 3, 4, 5, 6, 7, 8, 9, 10
811758 Transistor 6 DTB113ZS Q11, 12, 13, 14, 15, 16
813111 LED 25 EL3105VRT/TR1-11 (A) LED24, 25, 26, 27, 28, 29, 30, 31, 32,
33, 34, 35, 36, 37, 38, 39, 40, 45, 46,
47, 48, 49, 50, 51, 52
800625 Diode 27 1SS133T-77 D18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
28, 29, 30, 31, 32, 33, 34, 35, 36, 41,
42, 43, 44, 45, 46, 47, 48
808345 Switch 27 EVQ21305R/KSH0612AT SW18, 19, 20, 21, 22, 23, 24, 25, 26,
27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
41, 42, 43, 44, 45, 46, 47, 49
802208
Electrolytic Capacitor 1 ESRA160ELL100MD07D/ECEA1CKA100B C1
804578 Connector 1 S6B-PH-K-S CN8
804580 Connector 1 S8B-PH-K-S CN9
805639 Connector 1 S10B-PH-K-S CN3
KEP-182 (Rotaly Volume)
811844 Rotary Volume 4 RK11K114 VR6, 7, 8, 9
804581 connector 1 S9B-PH-K-S CN10
KEP-183 (Fixed Out)
802799 Electrolytic Capacitor (BP) 4 BSME160ELL100ME11D/ECA1CEN100B C14, 15, 16, 17
809852 Slide Switch 1 SSSF121700 SW49
807643 Round Connector 2 YKF52-5003N JA2, 3
804578 Connector 1 B6B-PH-K-S CN12
KEP-185 (Head Phone)
803439 Phone Jack 1 YKB21-5074 JA6
804572 Connector 1 B5B-PH-K-S CN13
948294 Earth Cable (2) 1 —
Code No. Parts Name Q'ty Parts Number Parts Address
P.W.B. KEP-179~185 (2) Assembly Parts List

– 14 –
P.W.B. KEP-186~189 (4) (5) (6) Assembly Parts List
KEP-186 (A/D Joint, ANALOG)
803995 LOGIC 2 TC74HC4051AP U2, 4
808457 LOGIC 1 HD74HC595P U3
808098 OP-AMP 1 NJM3404AD U1
809426 OP-AMP 4 BA15532 U6, 7, 9, 10
812222 OP-AMP 1 LA6517 U8
808973 Transistor 1 DTA114ESATP Q7
812527 Transistor 3 2SC5395-T12-E Q1, 8, 9
812125 Transistor 10 2SC3792 Q2, 3, 4, 5, 6, 10, 11, 12, 15, 16
803591 Zener Diode 1 HZS2BLL D1
807084 Resistor Network 1 RGSD16L502F RN1
812297 Retardant Resistor 2 CPFS1/2CT26A68RJ R58, 63
809125 Film Capacitor 2 ECQ-V1H 104JL3 C60, 66
807028
Electrolytic Capacitor 5 ESMG160ELL101ME11D C1, 4, 9, 56, 57
802892
Electrolytic Capacitor 2 ESMG250ELL101MF11D C44, 51
800660
Electrolytic Capacitor 4 ESMG500ELL100ME11D C45, 52, 61, 62
802799 Electrolytic Capacitor (BP) 6 BSME160ELL100ME11D C15, 24, 33, 41, 46, 53
803868 Electrolytic Capacitor (BP) 2 BSME160ELL470MF11F C59, 65
804571 Connector 2 B4B-PH-K-S CN15, 17
804572 Connector 2 B5B-PH-K-S CN5, 24
805737 Connector 3 B6B-PH-K-S CN3, 12, 14
804573 Connector 2 B7B-PH-K-S CN4, 13
804574 Connector 1 B8B-PH-K-S CN7
805827 Connector 1 B9B-PH-K-S CN6
804575 Connector 1 B10B-PH-K-S CN1
806174 Connector 1 B11B-PH-K-S CN2
806947 Connector 2 B16B-PH-K-S CN8, 9
948294 Earth Cable (2) 1 —
KEP-187 (Normal Out)
803439 Phone Jack 2 YKB21-5074 JA4, 5
804571 Connector 1 B4B-PH-K-S CN16
KEP-188 (Foot Switch)
803439 Phone Jack 2 YKB21-5074 JA1, 2
802576 Phone Jack 1 YKB21-5006 JA3
805737 Connector 1 B6B-PH-K-S CN11
Code No. Parts Name Q'ty Parts Number Parts Address Model

– 15 –
KEP-189 (Power)
811487 DC/DC Converter 1 M5291P U13
811018 Reset IC 1 PST600C U14
802889 Voltage Regulator 1 AN7815F U11
802890 Voltage Regulator 1 AN7915F U12
811589 Transistor 1 2SA1641S/T Q13
805850 Transistor 1 DTA143ES Q14
808952 Bridge Diode 1 DBF40C D7
805852 Diode 5 1SR139-100 D2, 3, 4, 5, 6
811591 Diode 1 SB10-04A3 D9
809243 Zener Diode 1 GZB6.2C_B D8
812409 Metal Film Resistor 1 RNM1/4C3 2201FTP R75
802380 Metal Film Resistor 1 RNM1/4C3 2701FTP R72
809432 Metal Film Resistor 1 RNM1/4C3 3301FTP R67
813112 Metal Film Resistor 1 RNM1/4C3 7501FTP R70
811767 Retardant Resistor 1 CFPS1/2CT26A101J R71
811718 Retardant Resistor 1 CFPS1/2CT26A1331J R66
811711
High Voltage Capacitor 2 DE1E3KX472MB5BA01 C75, 78
805992
Electrolytic Capacitor 1 ESMG6R3ELL102MHB5D C83
807041 Electrolytic Capacitor 1 ESMG6R3ELL332MJ20S C81
707418 Electrolytic Capacitor 1 ESMG160ELL470ME11D C84
809769
Electrolytic Capacitor 2 ESMG250ELL4R7ME11D C69, 71
808738 Electrolytic Capacitor 1 ESMG250ELL471MJC5S C67
807403 Electrolytic Capacitor 2 ESMG250ELL222MK25S C68, 70
804455
Electrolytic Capacitor 1 ESMG250ELL472MLN3S C80
811760 Bead Core 1 BP53RA030010040M Q13
810983 Choke Coil 2 10mm JUMPER 100V
120V
815145 1 PLA10AN1030R7R2 L5 230V
809305 Choke Coil 1 SKP2-50 L6
811755 Fuse 1
A TSC 500mA/125V (SOC Corporation.) F1 100V
* Inrush-withstand 5x20mm
811756 Fuse 1 UL TSC 500mA/125V (SOC Corporation.) F1 120V
* Inrush-withstand 5x20mm
811757 Fuse 1 SET 160mA/250V (SOC Corporation.) F1 230V
* Inrush-withstand 5x20mm
811709 IC Protector 1 ICP-N25 F2
808964 Fuse Clip 2 PFC5000-0202 F1, 2
804571 Connector 1 B4B-PH-K-S CN18
807413 Connector 1 B2P-VH CN22
803428 Connector 1 B3P-VH CN19
802906 Connector 1 B4P-VH CN20
814857 Power Transformer 1 KT-026 PT1
Code No. Parts Name Q'ty Parts Number Parts Address Model

– 16 –
Code No. Parts Name Q'ty Parts Number Parts Address
814016 USB MPU 1 M38K07M4-056HP U2
808932 Photocoupler 1 PC400T U3
811645 Reset 1 PST575CMT U1
810920 Transistor 4 DTC143EKA Q1
809834 Diode 1 HSK120TR D1
813928 X’tal Resonator 1 SMD-49 6.0MHz/CX-49G 6.0MHz X1
809845 Electrolytic Capacitor 1 ECEV1CS100SR C1
813358 Chip Bead 6 BLM18A601SPT EM1, 2, 3, 8, 9, 10
813937 Chip Bead 2 BLM21PG600SN1 EM4, 7
813938 Chip Bead 2 BLM18BB121SN1 EM5, 6
808473 MIDI Jack 1 YKF51-5053 JA1
812442 MIDI Jack 1 YKF51-5061 JA2
813805 USB Connecter 1 YKF45-0002 J1
813940 Screw Terminal 1 TP00799-23
P.W.B. KEP-099 (3) Assembly Parts List

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21 34567891011121314151617
– 17 –
■Cable Wiring Specification
KEP-185
KEP-186
KEP-179
KEP-188
KEP-183
KEP-099
KEP-187
KEP-182
KEP-180
KEP-181
KEP-189
KEP-191
LCD
GREEN
BROWN
BLUE
Ferrite Core
Ferrite Clump
Inshlock Tie
Filament Tape
Alminum Tape (50 x 100)
Alminum Tape (50 x 25)
Gasket
Vinyle Binder
Binder
9
14
20
1016
8
1919
23
7
21
13
18
66
11
17
15
5
3
12
11
2
24
25
26
4
22
No Parts code Parts name Termination1 Termination2 Q'ty
1 948367 PH-04-0350-YEL KEP-187 CN16 KEP-186 CN15 1
2 948368 PH-04-0750-YEL KEP-189 CN18 KEP-186 CN17 1
3 948278 PH-05-0100-GRN KEP-191 CN6 KEP-186 CN5 1
4 948301 PH-05-0950-GRN KEP-185 CN13 KEP-186 CN24 1
5 948369 PH-06-0200-BLU KEP-180 CN6 KEP-181 CN8 1
6 948369 PH-06-0200-BLU KEP-183 CN12 KEP-186 CN12 1
7 948235 PH-06-0350-BLU KEP-188 CN11 KEP-186 CN3 1
8 948373 PH-06-0550-BLU KEP-179 CN2 KEP-186 CN14 1
9 948371 PH-07-0600-PUR KEP-191 CN3 KEP-186 CN13 1
10 948281 PH-08-0130-GRY KEP-180 CN7 KEP-181 CN9 1
11 948411 PH-08-0450-GRY KEP-179 CN1 KEP-186 CN7 1
12 948412 PH-09-0250-WHT KEP-182 CN10 KEP-186 CN6 1
13 947649 PH-09-0700-WHT KEP-099 CN1 KEP-191 CN7 1
No Parts code Parts name Termination1 Termination2 Q'ty
14 814796 PH-10-0500-BLK KEP-181 CN3 KEP-186 CN1 1
15 948292 PH-11-0100-BRN KEP-191 CN5 KEP-186 CN2 1
16 948284 PH-12-0140-RED KEP-179 CN4 KEP-180 CN5 1
17 948366 PH-16-0250-BLU KEP-191 CN10 KEP-186 CN8 1
18 948372 VH-02-1100 KEP-191 CN9 KEP-189 CN22 1
19 948356 Keyboard Cable Keyboard KEP-191 CN4 1
20 948357 LCD Cable LCD KEP-186 CN9 1
21 948358 Wheel Cable Wheel KEP-186 CN4 1
22 948294 Earth Cable (2) KEP-185 Frame 1
23 948294 Earth Cable (2) KEP-186 Frame 1
24 948289 Power Switch Cable Power Switch KEP-189 CN19 1
25 935955 Inlet Cable Inlet KEP-189 CN20 1
26 936210 Earth (1) Cable Inlet Frame 1

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21 34567891011121314151617
–18 –
■Block Diagram
KEP-186
KEP-099
MPU
M38K07M4
-056HP
6MHz
MIDI
USB
ACIN
Power
Switch
ACInlet
RECTIFIER
P.S.for
MUTE
P.S.for
ANALOG
+22V
±15V
TRANS
FORMER
KT-026
PRIMARY
FUSE
RECTIFIER
P.S.for
DIGITAL L
N
PanelSwitch&LEDDataControlVolume
Volume
HEADPHONE
KEP-185
FOOTSW
KEP-188
DAMPER
EXPRESSION
Analog
Multiplex
PitchBend
Modulation
LCD
Contrast
LCD
MUTE
LchOUT
RchOUT
KEP-187
KEYBOARD
P2ROM(128M)
KP412-MDFW
MPU
MB91302
RESET
BD5245G-TR
17.0
MHz
33.8688
MHz
8
8
8
8
16
REGULATOR
μPC2933AHF
DIGITAL
+3.3V
DIGITAL+5V
SDRAM
64Mbit
16
16 16 16
16
24bit
D/A
AK4393
KEP-191
SOUNDSOURCE/
TOUCHLSI
K022-FP
MASTER SRAM
2Mbit
FlashROM(8M)
KP465-F9FP
P2ROM(128M)
KP413-MDFW P2ROM(128M)
KP446-MDFW
BUF
MUTE
MUTE
MUTE
AMP
AMP
AMP
MUTE AMP
FG
MUTE
SRAM
2Mbit
SOUNDSOURCE/
TOUCHLSI
K022-FP
SLAVE
16
8
4
Lch
BALANCEOUT
Rch
BALANCEOUT
KEP-183
MUTE
MUTE
AMP
AMP
BUF
KEP-189
KEP-179〜182

A
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B
C
D
E
F
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21 34567891011121314151617
–19 –
■P.W.B. KEP-191 (1) Assembly [TOP]
102
102C
601
601
0R0R
0R0R
0R0R
102
472 472
103 103
KP465-F9FP
A29L800TV-70
B5B-PH-K-S
B9B-PH-K-S
74HC7007
B16B-PH-K-S B15B-PH-K-S
74HC7007
B11B-PH-K-S
MB91302
APFF-G
V33.868
8C
K022-FP
D170A51
K022-FP
KP446-MDFW
B7B-PH-K-S
100µF
6.3V
100µF
6.3V
µPC 2933
KP413-MDFW
PLT09H-2003R
B2PS-VH
KP412-MDFW
332R
332R
105R
104C
601
601
102R
102R
102R
102R
222R
601
102R
102R
102C
102C
104C
104C
601
102R
102
330330 330 330
PF
104C
102C 332R
101R
104C
101C
601 601
103R
104C
103R 103R 103R 222R 222R 222R 222R
102C
601 601 601 601 601
104C 102C
225C
104C
225C
105C
102C
601
105C
104C
104C
104C
104C
104C 104C
104C
106C
103R
150C
103R
102C
101R
601
102C
601
104C
101C
103R
101C
106C
101R 101R 101R 101R
106C
102C
102C
104C
102R
103C
104C
601
140C
102C 104C
102C
104C
102C104C
601: BLM18AG601SN1D
DF: BD5245G-TR
8C: NJM78L05UA-TE1

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21 34567891011121314151617
–20 –
■P.W.B. KEP-191 (1) Assembly [Back]
601
601
601
601
225C
225C
102C
601
0R0R
332R 332R
332R332R332R
0R0R 0R0R 225C
601
601
601
104C
0R0R
102R 102R 102R
104C
103R
103R
101R
0R0R
601
104C
104C
104C
601
104C
104C
104C
104C
601
104C
601
104C
601
104C
601
104C
601
601
104C
601
104C
601
104C
601
601
104C
104C
601
104C
601
104C
102C
102C
102C
102C
103R
150C
150C
150R
104C
104C
106C
103R
103R
103R
601
601
601
601
601
102R
103R
102R
102R
102R
222R
222R
104C
104C
601
601
601
601
601
601
104C
104C
104C
102C
601
104C
104C
0R0R 0R0R
0R0R
0R0R
0R0R
0R0R
0R0R
0R0R
0R0R
104C
601
104C
601
104C
104C
106C
601
104C
104C
104C
106C 103R
104C
104C
601
601
104C
601
104C
601
103R
0R0R332R332R
102C102C
0R0R
102C
102R
102R 102R
102R
102R 102R
102R 102R
332C
332C
332C
102R
332C
102R
102R
332C
102R
102R
332C
102R
102R
332C
102R
332C
102C
332R 332R
103
4580 4580
4580
101 101
103 103 103
102
UT62L2568 LS-70LL
AK4393VF
74HC245
EM6389165TS-7
UT62L2568 LS-70LL
R78, 79, 80, 81, 86, 88, 90, 91, 94, 95, 96, 97, 102, 103, 104, 105: 102R (1%)
R82, 83, 84, 95, 98, 99, 100, 101: 332R (1%)
601: BLM18AG601SN1D

–21 –
2345678910 11 12 13 14 15 16
B
C
D
E
F
G
H
I
J
A
B
C
D
E
F
G
H
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A
1
■P.W.B. KEP-191 Circuit 1/6