Akai MPK25 User manual

SPECIFICATIONS
GENERAL
Display custom LCD w/ backlight
Dimensions (WxDxH) 477 mm x 359 mm x 88 mm
Weight 3.4 kg
Power
~100mA, 5V DC via USB
~1A, 6V DC via external adaptor
Number of Presets 30
MIDI output channels over USB 48 (16 channels x 3 ports)
MIDI output channels from 5-pin MIDI 16
Keyboard
25 Semi-Weighted keyboard (velocity
and channel pressure sensitive)
Drum pads 12 (velocity and pressure sensitive)
Drum pad banks 4
360 degree knobs 12
Switches 4
Accessories
User’s manual
USB cable (1m)
CD-ROM disc
INPUTS/OUTPUTS
MIDI inputs 5-pin DIN x 1
MIDI outputs 5-pin DIN x 1
USB Slave connector x 1 (MIDI over USB)
DC IN 6V DC, 1A
SERVICE MANUAL
MODEL: MPK 25

DISASSEMBLY PROCEDURES
1. DISASSEMBLE THE CABINET (Fig1)
(A) REMOVE 14 SCREWS FROM BOTTOM PANEL.
(Fig1)
2. DISASSEMBLE THE TOP PANEL AND MAIN PCB ASS’Y. (Fig2)
(A) REMOVE 13 KNOBS
(B) REMOVE 4 NUTS AND 4 WASHERS
(C)(D)(E)(F) REMOVE 4 CABLES.
(G) REMOVE 3 SCREWS
(Fig.2)

3.DISASSEMBLE THE TOP PANEL PCB ASS’Y. (Fig.3)
(A) REMOVE 1 CABLE
(B) REMOVE 13 SCREWS
(Fig.3)
4.DISASSEMBLE THE LCM ASS’Y. (Fig.4)
(A) REMOVE 4 SCREWS.
(Fig.4)

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LEVEL
P/N DESCRIPTION QTY REF
1 BAAMB-10S FLEXIBLE BUSHING 50x1.0MM 1 30
1 BAGL-55A CABLE CLIP 55L 1 31
1 BAS-MS-RR3NNS PAD SENSOR 1 4
1 CN0100000503 Flat Cable GND Wire Black Leng 1
1 CN0100001101 Flat Cable GND Wire Black Le 1
1 EVA1304408 FOAM EVA STRIP 71x4x1.5t mm SA 2 11
1 EVA1504405 FOAM EVA STRIP 75x61x1.0t mm SA 2 13
1 FFC1810001201 FFC 18PIN PITCH:1.0MM LENGTH:1 1
1 FFC2210002001 CONNECTOR 22P 200MM PITCH:1MM 1
1 FFC2610002001 CONNECTOR 26P 200MM PITCH:1MM 1
1 LAC22AKA52 STICKER BARCODE S/N AD25 1 32
1 LAC42YAH298 STICKER ROHS 1 33
1 LAC52ALE01 STICKER SAFETY 1 34
1 LAC67MAR195 TAP DOUBLE SIDE 68x5MM 2 8
1 LAC67MAR196 TAP DOUBLE SIDE 50x7MM 2 9
1 LAP67YAH255 STICKER 10mm RED 5
1 LCM-WTDH002 ASS'Y LCM 1 10
1 MT1501804 PLATE SOLDER GND 1
1 MT1504406 BLACKET PAD SENSOR 1 5
1 MT153030901 BOTTOM PANEL(PRINT/PAINT) 1 23
2 MT1530309 BOTTOM PANEL 1
1 PAD25AKA01 PACKING 1
2 AA821535X USB CABLE L:1M 1
2 AA822328X SHEET POLY 900X900 1
2 AL7-51-0226-D SAFETY MANUAL 1
2 AL9-63-0010-A ABLETON LIVE LITE 7CD 1
2 AL9-63-0012 MPK25(AD25)CD 1
2 CGAD25310AKA01 INNER CARTON 1
2 CTAD25513AKA01 OUT CARTON 0.5
2 GEAKA06 ABLETON CARD 1
2 LAC22AKA42 STICKER S/N ABLETON 1
2 LAC67YAH261 STICKER 8MM GREEN 1
2 OPAD25AKA02 QUICK START GUIDE 1
2 PE150350BO POLYBAG 150x350MM 1
2 PE230370402B07 POLYBAG 230x370MM 1
2 PLAD2501 POLY FOAM 1
2 PLAD2502 POLY FOAM 1
2 PUAD2501 EPE FOAM 1
1 PT1110685 BUTTON PUSH 7 16
1 PT1304315 POWER CABLE RETAINER 1 27
1 PT1501404 LENS LCD 1 7
1 PT1504409 FILM COVER LENS 1 29
1 PT1510612 BUTTON TRANSPORT 1 17
1 PT1510613 BUTTON TRANSPORT(B) 8 18
1 PT1510631 BUTTON PUSH (GRAY) 14 19
1 PT153000901 TOP PANEL(PRINT/PAINT) 1 1
2 PT1530009 TOP PANEL 1
1 RU1330701 FOOT STAND 4 28
1 RU1504303 SILICON PAD 1 3
1 SC0208RBCI SCREW M2x8mm PRZ TAPPING 4 12
1 SC0306RICI SCREW M3x6MM PRZ 3 6
1 SC0308RBNI SCREW M3x8MM PRN TAPPING 21 15
1 SC0310BIBI SCREW M3x10MM PPB 1 24
MPK25 BOM

1 SC0310RBBI SCREW M3x10MM PRB TAPPING 6 25
1 SC0408PBBI SCREW M4x8MM PPB TAPPING 14 26
1 TWBAEP250-W-AF ASS'Y KEYBED TAHORNG 25-KEY 1 22
2 BAEP250-W-AF KEYBED TAHORNG 25-KEY WITH AFTERTOUCH EP-250 1
2 BAFAM-25A FLAT CABLE CLAMP 1
2 CN0225404501 CONNECTOR 2P SOCKET 450MM 1
2 CN1625405001 Flat Cable Type 8Px2 Pitch 2. 1
1 TWPT151062001 ASS'Y KNOB 13 2
2 PT1510620 KNOB AD24,COOL GRAY 4C 13
2 PT1510621 KNOB CAP AD24 BLACK 13
1 TWPT151064601 ASS'Y P/M WHEEL 1 14
2 AL0-09-0037 VARIABLE RESISTOR 2
2 AL7-13-0080 HEAT SHRINK TUBING 1/16x5/8 2
2 AL9-06-0018 SPRING MOD WHEEL 24x24x0.2MM 1
2 AL9-06-0030 SPRING PITCH WHEEL 7.0x0.9MM 1
2 CN0620003004 CONNECTOR 6P 300MM 2.0MM 1
2 MT1304412 BRACKET P/M WHEEL 2
2 PT151064601 PITCH/MOD WHEEL(PAINT) 2
3 PT1510646 PITCH/MOD WHEEL 2
2 WS1306505 WASHER FLAT 13x6.5x0.5MM 1
1AL9-79-0504 MAIN PCB ASS'Y 1
2 AA822748X DIODE BAV99 4 D1,5,6,8
2 AL0-16-1102 RES 11K(SMD)1% 2 R77,78
2 AL0-16-1182 RES 11.8K 0805 1% 1 R57
2 AL0-16-1331 RES 1.33K(SMD)1% 1 R86
2 AL0-16-1582 RES 15.8K(SMD)1% 4 R54,61,72,80
2 AL0-16-3321 RES 3.32K(SMD)1% 4 R88,89,92,93
2 AL0-16-3322 RES 33.2K(SMD)1% 2 R56,76
2 AL0-16-4751 RES 4.75K 1% SMD 0805 2 R87,90
2 AL0-16-4752 RES 47.5K(SMD)1% 4 R59,60,74,75
2 AL0-16-8060 RES 806

SMD 1% 1 R46
2 AL0-17-0101 RES ARRAY 4X100 1/10W 0603 7 R34,62,63,65,67,69,70
2 AL0-17-0472 RES ARRAY 4X4.7K 1/10W 0603 2 R83,84
2 AL1-61-1102 CCAP SMD 1nF/50V 5% 0603 NPO 11 C6~8,10,35,36,39,40,45,48,49
2 AL2-51-0140 DIODE POWER SCHOTTKY MBRS140LT 2 D3,4
2 AL2-51-4401 TRANS NPN 2N4401 40V 1A SOT-23 2 Q3,4
2 AL2-51-4403 TRANS PNP 2N4403 40V 800mA SOT 4 Q1,2,5,6
2 AL2-52-5242 DIODE MMBZ5242B 1 D7
2 AL2-54-6306 TRANSIST0R FDC6306P 1 U4
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 1 1 U5
2 AL2-74-0181 IC OPTO-ISOLATOR TLP181 TRANS- 1 U2
2 AL4-00-0002 JACK DIN 5-PIN MIDI PCB MOUNT 2 J4,5
2 AL4-02-0007 JACK 1/4 STEREO 7-PIN FEM MINI 2 J1,2
2 AL4-08-0402 CON USB 4-PIN FEMALE PC-MNT HO 1 J3
2 AL4-14-0014 CONNECTOR 1 J7
2 AL4-14-0116 CONNECTOR 6P DIL 1 J9
2 AL4-15-0004 CONNECTOR 4P 2.54 180° 1 J8
2 AL7-01-0061 CRAYSTAL 6.1M SMD 1 U9
2 AL7-20-0075 INDUCTANCE 2.2UH(SMD) 1 L6
2 AL9-40-0504 MAIN PCB 4 LAYER FR-4 123*75MM 1 -
2 CS103K5003X7R CCAP SMD 0.01uF/50V 10% 0603 X 6 C5,62,65,78,80,83
2 CS104K5003X7R CCAP SMD 0.1uF/50V 10% 0603 X7 47 C2~4,9,11,12,15~21,24,25,31~34,37,43
C46,47,52~56,60,61,63,64,66~77,79,81,82
2 CS105K1003X5R CCAP SMD 1uF/10V 10% 0603 X5R 3 C13,14,30

2 CS220J5003NPO CCAP SMD 22pF/50V 5% 0603 NPO 2 C58,59
2 DIEN1N4148WSM DIODE SMD 1 D2
2 EC10716S ELECTRIC CAPACITOR 1 C29
2 ECS47525BP ELECT CAP 4.7UF/25V 4 C1,22,23,38
2 FCN2S1002201 FCN DUAL TOUCH 180°PITCH=1.0 1 J12
2 FCN2S1002601 FCN DUAL TOUCH 180°PITCH=1.0 1 J11
2 ICYH97M07 IC(ICLCMX0640C) 1 U7
2 ICLCMXO640C IC LCMXO640C-3TN100C 1 (U7)
2 ICYH97M08 IC(AL2-70-3433) 1 U6
2 AL2-70-3433 IC UPSD3433EV-40U6 1 (U6)
2 ICYHFRM06 IC(AL2-69-2458) 1 U3
2 AL2-69-2458 IC EEPROM SERTAL 24C256 1M SOI 1 (U3)
2 JKDJ-0702B-020 DC BASE 2.0MM 1 J6
2 PT1304702 PLATE 1 (J5)
2 RS00010J03 RES 0

5% SMD 0603 9 R1~3.22.30.37.47.81.85
2 RS10110J03 RES 100

5% SMD 0603 4 R31,39,48,51
2 RS10210J03 RES 1K 5% SMD 0603 7 R9,16,19,21,24,26,94
2 RS10310J03 RES 10K 5% SMD 0603 12 R8,10,11,14,20,25,40,43,44,53,68,95
2 RS10410J03 RES 100K 5% SMD 0603 7 R23,35,36,38,41,42,79
2 RS10510J03 RES 1M 5% SMD 0603 1 R50
2 RS15210J03 RES 1.5K 5% SMD 0603 1 R6
2 RS22010J03 RES 22

5% SMD 0603 2 R52,58
2 RS22110J03 RES 220

5% SMD 0603 3 R15,27,28
2 RS2K3210F05 RES 2.32K 1% SMD 0805 1 R91
2 RS47010J03 RES 47

5% SMD 0603 2 R7,12
2 RS47210J03 RES 4.7K 5% SMD 0603 3 R17,29,82
2 RS47310J03 RES 47K 5% SMD 0603 3 R4,5,13
2 RS820K10J03 RES 820K OHM 1/10W 0603 1 R18
2 RS82K508F05 RES 82.5K 1% SMD 0805 1 R64
2 TE512540801 TERMINAL 8P 2.54mm 1 J10
2 UH160808T-102Y BEAD 1000

100MHZ 0603 2 L1,4
2 UHLPF3218MF100M 10UH 1A 0.29

SMD 2 L2,3
2 XTM40000X4 CRYSTAL OSCILLATOR 40MHZ 1 Y2
1 AL9-79-0505 FRONT PANEL PCB ASS'Y 1
2 AL0-09-0044 VARIABLE RESISTOR 12 R1~4,11~14,26~29
2 AL0-17-0103 RES ARRAY 4X10K 1/10W 0603 2 R21,23
2 AL0-17-0680 RES ARRAY 4X68 1/10W 0603 1 R30
2 AL1-08-0222 E.CAP 22UF/16V(MINI) 1 C9
2 AL1-61-1102 CCAP SMD 1nF/50V 5% 0603 NPO 3 C12,23,35
2 AL2-49-0070 DIODE BAV70 6 D2~7
2 AL2-51-4401 TRANS NPN 2N4401 40V 1A SOT-23 3 Q1,2,4
2 AL2-51-4403 TRANS PNP 2N4403 40V 800mA SOT 1 Q3
2 AL2-62-0004 IC 74AHC04 1 U5
2 AL2-71-1324 IC LMV324 SOP-14 1 U6
2 AL3-02-0080 LED AMBER L-169XSYDK 7 LED4~10
2 AL9-40-0505 FRONT PANEL PCB FR-4 1.6T 330* 1 -
2 BALE48201-5A LED FIXED 1.5MM 7 (LED4~10)
2 CS103K5003X7R CCAP SMD 0.01uF/50V 10% 0603 X 3 C51~53
2 CS104K5003X7R CCAP SMD 0.1uF/50V 10% 0603 X7 49 C1~8,10,11,13~22,24~34,36~49,54,56,58,59
2 CS561J5005NPO CCAP SMD 560pF/50V 5% 0805 NPO 3 C50,55,57
2 DIEN1N4148WSM DIODE SMD 31 D1,8,9,11~38
2 DIZDSMAJ10ASM DIODE 11.5V 400W 23A 1 D10
2 FCN2R1001602 16P FCN DUAL TOUCH 90°PITCH 1 J2
2 FCN2R1001802 18P FCN DUAL TOUCH 90°PITCH 1 J4
2 FCN2R1002601 FCN DUAL TOUCH 90°PITCH=1.0M 1 J1
2 FCN2S1002201 FCN DUAL TOUCH 180°PITCH=1.0 1 J3

2 IC74AC574PW IC74AC574PW TSSOP-20 2 U2,4
2 ICCD74HC4067M IC C074HC4067M SOIC-24 2 U1,3
2 LD-LG2040 LED GREEN 3MM 1 LED3
2 LD1030 LED GREEN 5 LED1,2,11,12,13
2 PT111048009 FIXED BASE,LED 9MM 6 (LED1,2,3,11,12,13)
2 RS001208J05 RES 12

5% SMD 0805 1 R8
2 RS10018J05 RES 10

5% SMD 0805 1 R5
2 RS10310J03 RES 10K 5% SMD 0603 7 R6,9,17,19,35,48,49
2 RS10418J05 RES 100K 5% SMD 0805 1 R18
2 RS10510J03 RES 1M 5% SMD 0603 2 R10,22
2 RS22118J05 RES 220

5% SMD 0805 6 R15,16,20,36,39,40
2 RS27318J05 RES 27K 5% SMD 0805 3 R38,46,47
2 RS47110J03 RES 470

5% SMD 0603 4 R7,42,44,45
2 RS47210J03 RES 4.7K 5% SMD 0603 3 R37,41,43
2 RS68018J05 RES 68

5% SMD 0805 3 R31~33
2 SWDC11B20214A6 SWITCH ROTATIONAL ENCODE 20 PU 1 E1
2 SWSKHVBB3420 SWITCH 4.3 30 S1~30
2 TE10200602 Pin Header 90°Pitch:2.00mm S 1 J5