Akai MPK225 User manual

SPECIFICATIONS
Note keys 25 keys; velocity-sensitive; 10-octave range with octave up/down
buttons or transposition
Pads 8
8 8
8 pads; velocity- and pressure-sensitive; 4
4 4
4 banks
Knobs 8
8 8
8 360o encoders; 3
3 3
3 banks
Switches 4
4 4
4 switches; LED-backlit; 3
3 3
3 banks
Inputs / Outputs
1
1 1
1 USB port
1
1 1
1 /4" (6.35mm) TRS expression pedal input
1
1 1
1 /4" (6.35mm) TS sustain pedal or footswitch input
1
1 1
1 5-pin MIDI in
1
1 1
1 5-pin MIDI out
Power via computer USB bus or USB charger (sold separately)
via power adapter (sold separately): 6V DC, A, center-positive
Dimensions
(width x depth x height)
9.25" x .75" x 3.63"
48.9 cm x 29.8 cm x 9.2 cm
Weight 6.09 lbs.
2.76 kg
SERVICE MANUAL
MODEL:MPK225

Technical Specification
Technical SpecificationTechnical Specification
Technical Specification
DISASSEMBLY PROCEDURES
1. DISASSEMBLE THE CABINET AND TOP PANEL. (Fig.1)
(A) REMOVE 15 SCREWS FROM BOTTOM PANEL.
(Fig.1)
2. DISASSEMBLE THE MAIN PCB ASS’Y. (Fig.2)
(A) REMOVE 3 SCREWS FROM THE MAIN PCB ASS’Y.
(Fig.2)

3.DISASSEMBLE THE TOP RIGHT FRONT PCB ASS’Y.(Fig.3)
(A) REMOVE 9 KNOBS.
(B) REMOVE 8 NUTS AND 8 WASHERS.
(C) REMOVE 8 SCREWS FROM THE TOP RIGHT FRONT PCB ASS’Y.
(Fig.3)
4.DISASSEMBLE THE SWITCH PCB ASS’Y.(Fig.4)
(A) REMOVE 3 SCREWS FROM THE TOP LEFT FRONT PCB ASS’Y
(Fig.4)

5.DISASSEMBLE THE FSR PCB. (Fig.5)
(A) REMOVE 7 SCREWS FROM THE FSR PCB.
(Fig.5)
6.DISASSEMBLE THE PITCH/MOD PCB ASS’Y. (Fig.6)
(A) REMOVE 4 SCREWS FROM THE PITCH/MOD PCB ASS’Y.
(Fig.6)

WIRING DIAGRAM
(US/AUS)
SEQUENCE NO OF EXPLODE DIAGRAM WILL BE MARKED ON REF. COLUMN OF BOM LIST

PACKING DIAGRAM
(US)

PACKING DIAGRAM
(AUS)

EXPLODE DIAGRAM
(US/AUS)

LEVEL
P/N DESCRIPTION QTY REF
0AD2AAKA11 MPK225 25Key Keyboard Controller 0
1 BAGL-55A CABLE CLIP 55L 2 25
1CN0100000503 Flat Cable GND Wire Black Length 50mm 1
Line/Female
1CN1620003001 Flat Cable 16pin 300mm Female/Female 1 30
1 EVA1504460 EVA 1 37
1FFC1410001501 FFC 14P Pitch:1.0mm Length:150mm 1 27
1 FFC1610001001 CONNECTOR 1 26
1FFC2610002001 Connector 26P 200mm Pitch:1mm 1 28
1 FFC3010002001 FFC 30Pin Pitch:1mm Length:200mm 1 29
1LAC22AKA288 Serial Number Label 1
1LAC22AKA42 Sticker S/N Ableton 1
1 LAC53AKA309 Safety Label 1
1LAC62AKA289 Bar Code Label(CODE 39) 0.5
1 LAC62AKA304 Label(GTIN14) 0.5
1LCMWH2004A LCMWH2004A-TMI-JTV 6 o'clock 1 13
1 MT0705517 Copper 1 24
1NP215AKA35 Name Plate 1 12
1 OTAD10FSR AD10 FSR 1 16
1PAD2AAKA11 Packing Assembly 1
2AA821535X USB Cable L:1M 1
2 AL7-51-0226-M Safety Manual 1
2CGAD2A310AKA11 Gift Box 1
2 CTAD2A513AKA11 Outer Box 0.5
2GEAKA17 Ableton Card 1
2 GEAKA20 Generic Card 1
2LAC67YAH261 Label φ8mm Green 0.5
2 OPAD2AAKA01 Fast Instruction 1
2PE230370402B07 Poly Bag 230*370mm 1
2PL370150040 Poly Foam 1
2 PLAD2A01 Poly Foam(L) 1
2PLAD2A02 Poly Foam(R) 1
2 PUAD2501 EPE FOAM 1
2SD890890 Soft Sheet 1
2 TSAKAI-01 DVD Ableton Live 9 Lite 1
1PT1110685 Button Push 16 5
1 PT1304315 Power Cable Retainer 1 22
1PT1504326 Light Pipe 2 4
1 PT1504409 FILM COVER LENS 1 38
1PT1510611301 Knob Print 1 1
2 PT15106113 Knob 1
1PT15106121 Knob 4 8
1 PT15106122 Knob 2 6
1PT15106125 Button(B;clear) 4 11
1 PT1510615 SWITCH BUTTON 1 23
1PT15106150 Knob 8 2
1 PT15106151 Buttom(B;Cool Gray 6C) 1 10
1PT15106154 Button Transport(185C) 1 9
1 PT151063902 Button Cursor Print 1 7
2PT1510639 BUTTON CURSOR(BLACK) 1
1 PT153003501 Panel-Printing(Painting) 1 3
2 PT1530035 Panel 1
1 PT1530324 Bottom Plate 1 18
AD2AAKA11 BOM

1 RU151062301 Rubber Knob 1 15
1 RU1530602 RUBBER FOOT 4 21
1 SC0208RBCI SCREW M2X8 PPC TAPPING 4 14
1 SC0308RBNI Screw M3X8 PRN Tapping 24 17
1 SC0310BIBI SCREW M3X10 PBB 1 36
1 SC0310RBBI Screw M3X10 PPB Tapping 6 19
1 SC0312RBNI Screw M3X12 PRN Tapping 15 20
1 TW25701AYAH0101 Keyboard Assembly(YH 25KEY) 1 35
2 BAGL-55A CABLE CLIP 55L 1
2 CN0225403601 Flat Cable 2Pin Pitch 2.54mm Single Row 1
Length 360mm Female Header/Pin Header
2 CN1625403901 Flat Cable Type 8P*2 Pitch 2.54mm Dual 1
Row Length 390mm Female/Female Header
2 KB25701AYAH01 25 Key board weighted with aftertouch 1
1 TWPC13A00902 Main PCB Assembly 1 34
2 AA822748X Diode BAV99 5 D2,3,7,9,11
2 AL0-17-0101 RES Array 4X100 1/10W 0603 11 R36,49,89,103,104,124~127,130,131
2 AL0-17-0103 RES Array 4X10K 1/10W 0603 1 R111
2 AL1-70-1471 Solid Tantalum Electrolytic 1 C50
Capacitors4.7uF/10V 20% A-SMD
2 AL2-50-4149 Diode Single 1N4148 100V 200mA SOT-23 1 D8
2 AL2-51-0140 Schottky Barrier Rectifiers Diode 2 D6,10
B140-13-F SMA
2 AL2-51-4401 Transistor 2N4401 NPN SOT-23 (Transistor 4 Q1,2,8,9
MMBT4401LT1 NPN SOT-23)
2 AL2-51-4403 Transistor 2N4403 PNP SOT-23 4 Q4,5,7,11
2 AL2-52-5242 Diode MMBZ5242B 1 D5
2 AL2-54-6306 Mosfet FDC6306P P-CH SSOT-6 1 U3
2 AL2-61-7223 IC NJU7223DL1-33 3.3V TO-252 1 U1
2 AL2-71-1324 IC LMV324 SOP-14 1 U8
2 AL2-73-4051 IC74HC4051 Single 8-Chan Mux 16P Soic 1 U4
2 AL4-00-0002 MIDI Jack 8P 90°Female 2 J4,5
2 AL4-02-0007 Jack 1/4 Stereo 7-Pin Fem Mini W/Grnd 2 J2,3
Lug Straight
2 AL4-08-0402 Con USB 4-Pin Female PC-MNT Horizontal 1 J6
2 AL4-14-0116 CONNECTOR 6P DIL 1 J10
2 AL4-15-0004 Connector 4P 2.54 180° 1 J12
2 AL6-02-0059 Switch push 2P2T Dual Row Lock 1 SW1
2 CS102J5003NPO CCAP SMD 1nF/50V 5% 0603 NPO 13 C12,14~16,43,61,62,64~69
2 CS103K5003X7R CCAP SMD 0.01uF/50V 10% 0603 X7R 2 C47,51
2 CS104K5003X7R CCAP SMD 0.1uF/50V 10% 0603 X7R 45 C1,4~6,9~11,13,17~20,22~24,28,30~33
C36~40,42,45,46,48,52,54~60,63,70~74
C163,171
2 CS105K1605X7R CCAP SMD 1uF/16V 10% 0805 X7R 4 C21,78,177,178
2 CS106K1606X7R CCAP SMD 10uF/16V 10% 1206 X7R 2 C53,176
2 CS180J5003NPO CCAP SMD 18pF/50V 5% 0603 NPO 2 C29,49
2 DIBAW56 Switch Diode BAW56 SOT-23 2 D4,13
2 DIPHLTV-356T-B Opticak Encode Senser Diode LTV-356T-B 1 U2
2 ECS10710D Capacitor Electrolytic 100UF 10V SMD-D 3 C3,165,181
2
ECS47525B Ecap 4.7uF/25V 4*5.4mm SMD 1 C2
2
FCN2S1002601 FCN Dual Touch 180°Pitch=1.0mm 26P 1 J14
2
FCN2S1003001 FCN Dual Touch 180°Pitch=1.0mm 30P 1 J16
2
ICLM393DR IC OPA LM393DR SOIC-8 1 U5
2
ICNJM2387 IC NJM2387 1 U59
2
ICSN74HC02D IC SN74HC02D 1 U9
2
ICYH102M09 IC(STM32100C4T6B+Program)LQFP-48 1 U7