Akai Professional MPK261 User manual

SPECIFICATIONS
Note keys 61 keys; velocity-sensitive; 10-octave range with octave up/down buttons
or transposition
Pads 16 pads; velocity- and pressure-sensitive; 4 banks
Faders 8 faders; 3 banks
Knobs
8
360o encoders;
3
banks
Switches 8 switches; LED-backlit; 3 banks
Inputs / Outputs
1 USB port
1 1/4" (6.35mm) TRS expression pedal input
2 1/4" (6.35mm) TS sustain pedal or footswitch inputs
1 5-pin MIDI in
1 5-pin MIDI out
Power via computer USB bus or USB charger (sold separately)
via power adapter (sold separately): 6V DC, 1A, center-positive
Dimensions
(W x D x H)
35.63" x 12.25" x 3.38"
90.5 cm x 31.1 cm x 8.6 cm
Weight 15.1 lbs.
6.84 kg
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SERVICE MANUAL
MODEL:MPK261

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DISASSEMBLY PROCEDURES
1. DISASSEMBLE THE CABINET AND TOP PANEL. (Fig.1)
(A) REMOVE 26 SCREWS FROM BOTTOM PANEL.
(Fig.1)
2. DISASSEMBLE THE MAIN PCB ASS’Y. (Fig.2)
(A) REMOVE 3 SCREWS FROM MAIN PCB ASS’Y.
(Fig.2)

3.DISASSEMBLE THE TOP RIGHT FRONT PCB ASS’Y. (Fig.3)
(A) REMOVE 9 KNOBS FROM TOP PANEL.
(B) REMOVE 8 NUTS AND 8 WASHERS.
(C) REMOVE 8 SLIDER CAPS FROM TOP PANEL.
(D) REMOVE 11 SCREWS FROM TOP RIGHT FRONT PCB ASS’Y.
(Fig.3)
4.DISASSEMBLE THE TOP LEFT FRONT PCB ASS’Y. (Fig.4)
(A) REMOVE 5 SCREWS FROM THE TOP LEFT FRONT PCB ASS’Y.
(Fig.4)

5.DISASSEMBLE THE PITCH/MOD PCB. (Fig.5)
(A) REMOVE 4 SCREWS FROM PITCH/MOD PCB.
(Fig.5)

WIRING DIAGRAM
(US/AUS)

PACKING DIAGRAM
(US)

PACKING DIAGRAM
(AUS)

EXPLODE DIAGRAM
(US/AUS)

LEVEL
P/N DESCRIPTION QTY REF
0AD6AAKA01 61Key Keyboard Controller 0
1 AA822333X BUTTON PUSH B (7) RED 187C 1 22
1BAGL-55A CABLE CLIP 55L 2 34
1 CN1620003001 Flat Cable 16pin 300mm Female/Female 1 36
1 EVA1504457 EVA(120*120MM) 1 41
1FFC1610001001 CONNECTOR 1 37
1 FFC2610002001 Connector 26P 200mm Pitch:1mm 1 38
1FFC2610002501 FFC 26PIN PITCH:1.0MM LENGTH:250MM 1 39
1 FFC3010002001 FFC 30Pin Pitch:1mm Length:200mm 1 40
1LAC22AKA294 Label 1
1 LAC22AKA296 UPC Bar Code Label 2
1LAC53AKA309 Safety Label 1
1LAC62AKA295 Bar Code Label 1
1 LAC67AKA211 Sonivox Sticker 1
1LCMWH2004A LCMWH2004A-TMI-JTV 6 o'clock 1 24
1MT153033201 Bottom Panel Paint/Print 1 13
2 MT1530332 Bottom Panel 1
1NM1504403 FELT-45-ADHESIVE 8 32
1 NP215AKA33 Name Plate 1 23
1OTFSR16KEY-AD4A FSR 16KEY 1 17
1 PAD6AAKA01 Packing Assembly 1
2AA419829J Poly Bag(O/M A-4)-2 1
2 AA821535X USB Cable L:1M 1
2AL7-51-0226-M Safety Manual 1
2 CGAD6A515AKA02 Inner Box 1
2CTAD6A513AKA01 Carton 1
2GEAKA17 Ableton Card 1
2GEAKA20 Generic Card 1
2 LAC22AKA42 Sticker S/N Ableton 1
2LAC67YAH261 Label ij8mm Green 1
2 OPAD6AAKA01 Quick Instruction 1
2 NM1504433 Spunlace Nonwoven 1
2PLAD6A01 Poly foam(L) 1
2 PLAD6A02 Poly foam(R) 1
2PUAD6101 PU FOAM 1
2 PUAD6102 PU FOAM 1
2 TSAKAI-01 DVD Ableton Live 9 Lite 1
1PT1110685 Button Push 24 6
1 PT1304315 Power Cable Retainer 1 33
1 PT1504409 FILM COVER LENS 1 42
1 PT1504452 Fixed Holder 1 19
1 PT1510611301 Knob Print 1 12
2PT15106113 Knob 1
1 PT15106122 Knob 2 7
1 PT15106125 Button(B;clear) 4 21
1 PT15106126 Navigation Button 1 1
1 PT15106127 Button(B;Cool Gray 6C) 4 8
1 PT1510615 SWITCH BUTTON 1 31
1 PT15106150 Knob 8 26
1 PT151063801 FADER INDICATE PAINTING WHITE 8 27
2 PT1510638 FADER 8
1 PT151063902 Button Cursor Print 1 9
2 PT1510639 BUTTON CURSOR(BLACK) 1
AD6AAKA01 BOM

1 PT153003301 Top Panel Paint/Print 1 3
2 PT1530033 Top Panel 1
1 RU150435601 Rubber 1 16
1 RU1530602 RUBBER FOOT 4 15
1 SC0208RBCI SCREW M2X8 PPC TAPPING 4 25
1 SC0306RBNI Screw M3X6 PRN Tapping 3 11
1 SC0308RBNI Screw M3X8 PRN Tapping 30 5
1 SC0310BIBI SCREW M3X10 PBB 1 20
1 SC0310RBBI Screw M3X10 PPB Tapping 12 2
1 SC0408PBBI SCREW M4X08 PPB TAPPING 26 14
1 TW61701AYAH0102 Key Board Assembly 1 10
2 BAGL-55A CABLE CLIP 55L 1
2 CN0225408501 Flat Cable 2Pin Pitch 2.54mm Single Row 1
Length 850mm Pin/Female Header
2 CN1625402501 Flat Cable type 8p*2 pitch2.54mm Row 1
Length 250mm Female/Female Header
2 CN1625403901 Flat Cable Type 8P*2 Pitch 2.54mm Dual 1
Row Length 390mm Female/Female Header
2 KB61701AYAH01 61 Key board weighted with aftertouch 1
1 TWPC13A00903 Main PCB Assembly 1 29
2 AA822748X Diode BAV99 6 D2,3,7,9,11,200
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 3 J1,2,3
Lug Straight
2 AL4-08-0402 Con USB 4-Pin Female PC-MNT Horizontal 1 J6
2 AL4-14-0116 CONNECTOR 6P DIL 2 J10,11
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 47 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
C163,171,200,201
2CS105K1605X7R CCAP SMD 1uF/16V 10% 0805 X7R 4 C21,78,177,178
2CS106K1606X7R CCAP SMD 10uF/16V 10% 1206 X7R 2 C53,176
2CS180J5003NPO CCAP SMD 18pF/50V 5% 0603 NPO 2 C29,49
2DIBAW56 Switch Diode BAW56 SOT-23 2 D4,13
2DIPHLTV-356T-B Opticak Encode Senser Diode LTV-356T-B 1 U2
2ECS10710D Capacitor Electrolytic 100UF 10V SMD-D 3 C3,165,181
2ECS47525B Ecap 4.7uF/25V 4*5.4mm SMD 1 C2
2FCN2S1002601 FCN Dual Touch 180°Pitch=1.0mm 26P 1 J14

2FCN2S1003001 FCN Dual Touch 180°Pitch=1.0mm 30P 1 J16
2ICLM393DR IC OPA LM393DR SOIC-8 1 U5
2ICNJM2387 IC NJM2387 1 U59
2ICSN74HC02D IC SN74HC02D 1 U9
2ICYH102M08 IC(STM32103VCT6+Program)LQFP-100 1 U12
3ICSTM32F103VCT6 IC STM32F103VCT6 LQFP-100 1 (U12)
2ICYH102M09 IC(STM32100C4T6B+Program)LQFP-48 1 U7
3ICSTM32F100C4T6 IC STM32F100C4T6B LQFP-48 1 (U7)
2JKDJ-0702B-020 DC Base 2.0MM 1 J7
2PC13A009 Main PCB 4Layer FR-4 140*75MM 1 -
2PT1304702 PLATE 1 -
2 RS000010J03 RES 0ȍ5% SMD 0603 21 R2~5,13,26,32~35,62,73,79,80,85,94,97
R98,100,105,201
2 RS000110J03 RES 1ȍ5% SMD 0603 1 R99
2 RS001K10F03 RES 1K 1% SMD 0603 9 R15,28~30,38,39,69,71,200
2 RS002210F03 RES 22ȍ1% SMD 0603 2 R45,46
2 RS004710F03 RES 47ȍ1% SMD 0603 2 R20,67
2 RS010010F03 RES 100ȍ1% SMD 0603 9 R50~52,57,65,68,102,113,129
2 RS010K10F03 RES 10K 1% SMD 0603 28 R1,6,8,10,11,14,19,22,27,42~44,90,101
R112,115,116,138,140~142,500~503
R505~507
2 RS011K10F03 RES 11K 1% SMD 0603 2 R82,86
2 RS012K10F03 RES 12K 1% SMD 0603 1 R9
2 RS01K110F03 RES 1.1K 1% SMD 0603 1 R137
2 RS01K510F03 RES 1.5K 1% SMD 0603 1 R21
2 RS022010F03 RES 220ȍ1% SMD 0603 3 R16~18
2 RS027010F03 RES 270ȍ1% SMD 0603 1 R66
2 RS047510F03 RES 475ȍ1% SMD 0603 1 R136
2 RS080610F03 RES 806ȍ1% SMD 0603 2 R74,135
2 RS100K10F03 RES 100K 1% SMD 0603 3 R37,40,110
2 RS11K810F03 RES 11.8K 1% SMD 0603 1 R63
2 RS15K810F03 RES 15.8K 1% SMD 0603 4 R60,61,75,83
2 RS1K3310F03 RES 1.33K 1% SMD 0603 1 R53
2 RS220K10F03 RES 220K 1% SMD 0603 3 R72,87,106
2 RS22K110F03 RES 22.1K 1% SMD 0603 1 R64
2 RS2K1510F03 RES 2.15K 1% SMD 0603 1 R70
2 RS2K3210F03 RES 2.32K 1% SMD 0603 1 R56
2 RS33K210F03 RES 33.2K 1% SMD 0603 1 R58
2 RS3K3210F03 RES 3.32K 1% SMD 0603 4 R76,77,95,96
2 RS42K210F03 RES 42.2K 1% SMD 0603 2 R81,84
2 RS470K10F03 RES 470K 1% SMD 0603 1 R48
2 RS47K510F03 RES 47.5K 1% SMD 0603 1 R59
2 RS4K7510F03 RES 4.75K 1% SMD 0603 2 R54,55
2 RS820K10F03 RES 820K 1% SMD 0603 1 R31
2 RS82K510F03 RES 82.5K 1% SMD 0603 1 R78
2 RS8K0610F03 RES 8.06K 1% SMD 0603 1 R41
2 TE852542001 Connector 2 J500,501
2 UH201209T-601Y BEAD 600ȍ@100MHz 2A ±25% 0805 1 L3
2 UHLPF3218MF100M 10UH 1A 0.29ȍSMD 2 L1,2
2 XTM08000X6F1 Crystal 8MHZ 49US SMD Fundamental 1 X1
1TWPC13A01501 TOP Left Front PCB Assembly 1 30
2 AA822524X IC SN74HC165PW 2 U52,65
2 AL0-17-0470 RES Array 4X47 1/10W 0603 2 R196,209
2 AL0-17-8103 RES ARRAY 8X10K 2 R361,477
2 CN0620002008 Flat Cable Multicolored 6pin 2.0 single 1 J15

Row Length:200mm pin/Female Header
2 CS104K5003X7R CCAP SMD 0.1uF/50V 10% 0603 X7R 6 C5,14,19,71~73
2 CS106K1606X7R CCAP SMD 10uF/16V 10% 1206 X7R 4 C2,11~13
2 FCN1T1001602 FCN Down Touch ZIF SMD Pitch=1.0mm 16P 1 J1
2 IC74HC595 Integrated Circuit 1 U64
2 LDKPT-1608SYCK Liquid-emitting Diode Yellow SMD 0603 10 LED0~7,74,75
angle 120°
2 PC13A015 Top Left Front 2Layer FR-4 85*139MM 1 -
2 RS004710F03 RES 47ȍ1% SMD 0603 3 R14,18,368
2 SWEVQ11L04M Switch Tact 4.3mm 160g Horizontal DIP 15 SW32~46
1TWPC13A01601 FSR PCB Assembly 1 18
2 AL2-49-0070 Diode BAV70 8 D13~20
2 AL2-71-1324 IC LMV324 SOP-14 1 U41
2 CS103K5003X7R CCAP SMD 0.01uF/50V 10% 0603 X7R 4 C82,84,86,88
2 CS104K5003X7R CCAP SMD 0.1uF/50V 10% 0603 X7R 7 C74,80,92,96~99
2 CS106K1606X7R CCAP SMD 10uF/16V 10% 1206 X7R 5 C4,6,10,20,100
2 CS561J5003NPO CCAP SMD 560pF/50V 5% 0603 NPO 4 C81,83,85,87
2 FCN1T1001602 FCN Down Touch ZIF SMD Pitch=1.0mm 16P 1 J2
2 FCN1T1002602 FCN Down Touch ZIF SMD Pitch=1.0mm 26P 1 J3
2 IC74HC595 Integrated Circuit 6 U13,17,18,24,27,42
2 LDJ1M1F1BB7R4S3 Liquid-emitting Diode Red/Green/Blue SMD 16 LED29~44
0603 angle 120°
2 PC13A016 FSR PCB 2Layer FR-4 123*123MM 1 -
2 RS004710F03 RES 47ȍ1% SMD 0603 6 R2,6,15~17,452
2 RS010K10F03 RES 10K 1% SMD 0603 4 R220,224,228,232
3 RS022110F03 RES 221ȍ1% SMD 0603 32 R23,24,26,27,29,30,34,36,38,39,41,42,45
R46,48,49,51,52,54,55,57,58,60,61,66,67
R69,70,72,73,75,78
2 RS03K310F03 RES 3.3K 1% SMD 0603 4 R218,222,226,230
2 RS043210F03 RES 432ȍ1% SMD 0603 16 R21,25,28,31,37,40,43,47,50,53,56,59
R63,68,71,74
2 RS047010F03 RES 470ȍ1% SMD 0603 4 R219,223,227,231
2 RS04K710F03 RES 4.7K 1% SMD 0603 4 R221,225,229,233
1TWPC13A01703 TOP Right Front PCB Assembly 1 28
2PC13A017 Top Right Front 2Layer FR-4 394*135MM 1
2TWPC13A017A01 TOP Right Front PCB Assembly 1
3 AA822524X IC SN74HC165PW 4 U1~4
3 AA822748X Diode BAV99 1 D3
3 AL0-09-0044 Variable Resistor 8 R8,9,12,22,32,44,65,91
3 AL0-09-0057 VR 10KB 8 R107~109,111,116~119
3 AL0-17-0470 RES Array 4X47 1/10W 0603 4 R204~207
3 AL0-17-8103 RES ARRAY 8X10K 4 R3,4,35,64
3 AL2-51-4401 Transistor 2N4401 NPN SOT-23 (Transistor 2 Q11,14
MMBT4401LT1 NPN SOT-23)
3 AL2-51-4403 Transistor 2N4403 PNP SOT-23 4 Q1,10,12,13
3 AL2-62-0004 IC 74AHC04 1 U22
3 AL2-73-4051 IC74HC4051 Single 8-Chan Mux 16P Soic 3 U9,10,11
3 CS102J5003NPO CCAP SMD 1nF/50V 5% 0603 NPO 4 C63~65,91
3 CS103K5003X7R CCAP SMD 0.01uF/50V 10% 0603 X7R 3 C1,89,94
3 CS104K5003X7R CCAP SMD 0.1uF/50V 10% 0603 X7R 53 C7~9,15~18,21,23~41,43~47,49~62,66~69
C90,93,95
3 CS106K1606X7R CCAP SMD 10uF/16V 10% 1206 X7R 6 C3,75~79
3 DIZDSMAJ10ASM Diode 11.5V 400W 23A 1 D21

3 ECS22616B Capacitor Electrolytic 22uF/16V B type 1 C22
SMD
3 FCN1T1002602 FCN Down Touch ZIF SMD Pitch=1.0mm 26P 2 J4,18
3 FCN1T1003001 FCN Down Touch ZIF SMD Pitch=1.0mm 30P 1 J17
3 IC74HC595 Integrated Circuit 3 U60,62,63
3 LDKPT-1608SYCK Liquid-emitting Diode Yellow SMD 0603 18 LED56~73
angle 120°
3 RS000010J03 RES 0ȍ5% SMD 0603 2 R247,248
3 RS001510F03 RES 15ȍ1% SMD 0603 1 R235
3 RS004710F03 RES 47ȍ1% SMD 0603 10 R1,5,7,19,20,76,77,442,451,487
3 RS010K10F03 RES 10K 1% SMD 0603 9 R11,13,234,237~240,244,246
3 RS047010F03 RES 470ȍ1% SMD 0603 1 R236
3 RS068010F03 RES 680ȍ1% SMD 0603 1 R241
3 RS4K7510F03 RES 4.75K 1% SMD 0603 1 R243
3 SWDC11B20214A8 Switch Rotatiomal 20 pulse 20mm push-on 1 E1
switch
3 SWEVQ11L04M Switch Tact 4.3mm 160g Horizontal DIP 29 SW1~14,16~22,24~31
3 TE622000201 Pin Header 90°Pitch:2.00mm Single Row 1 J13
2P DIP
3 TE622001603 Pin Header 90°Pitch:2.0mm Single Row 1 J19
6Pin DIP
3 UHBLM18AG102SN1 BEAD 1000ȍ100MHZ 1 L7
2TWPC13A017B01 Pitch&MOD PCB Assembly 1
3 TE622000302 Pin Header 90°Pitch:2.00mm Single Row 1 J6
3P DIP
3 VRR50202901 Potentiometer Rotary Volume:5k Shaft 1 VR1
Length 293mm Single Row
2TWPC13A017C01 Pitch&MOD PCB Assembly 1
3 TE622000302 Pin Header 90°Pitch:2.00mm Single Row 1 J7
3P DIP
3 VRR50202901 Potentiometer Rotary Volume:5k Shaft 1 VR2
Length 293mm Single Row
1TWPT151064602 Wheel Assembly 1 4
2AL9-06-0018 Spring Mod Wheel 24*24*0.2mm 1
2AL9-06-0030 Spring Pitch Wheel ij7.0*ij0.9mm 1
2HST010017BUL Tube (1ij17mm) 2
2MT1304412 Bracket P/M Wheel 2
2PT151064601 PITCH/MOD WHEEL(PAINT) 2
3PT1510646 PITCH/MOD WHEEL 2
2WS1306505 Washer FLAT 13*6.5*0.5MM 1

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! 0.!1*02
3!
! '()-.*
!
4! 5556557'558%
! 9/9:;9((576
#! <.<(('(56<(



37(&3.&
&55.!<,.
.!7&
,&3
!
$
!5'()$55,
155%
*02!
 !
-93-.=,
..>*?..!
(%>7?!
&.!
"#$
/*....55
%!

(%>7?!
&.!

3'!
%&#
-,(6.&
!
(6.&(
!

%##
>$?!
,89,!.
&
&.$
&
!
6&..,
&%!
&!
-$,.%
&3&!
.(63'.
3&&!!3& !
'
-3.!
..89,.
.%&,,.,,.,!!


"#$
155.5556557'
!
557'
!%3
%5556!
558%.&.33
!

"(
89!
)89
;89
289
)89
5,.89
!'..89.&
!.&'5
&>?!
"&>((?!
<"&><58?!
%."
! &89' )"(!%
.89!
! 89"")"(%)*&!%
&89!
.
>((?.3/!

+
..!
!
-
.&'5,.,.
89.!
&,.3/&
.!
)..)!