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Akai MPK249 Service Manual
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Note keys
Pads
Faders
Knobs
Switches
Inputs / Outputs
Power
Dimensions
Weight
7 H F K Q L F D O 6 S H F L I L F D W L R Q
7 H F K Q L F D O 6 S H F L I L F D W L R Q
7 H F K Q L F D O 6 S H F L I L F D W L R Q
7 H F K Q L F D O 6 S H F L I L F D W L R Q
SERVICE MANUAL
SPECIFICATIONS
49 keys; velocity-sensitive; 10-octave range with octave up/down buttons
or transposition
16 pads; velocity- and pressure-sensitive; 4 banks
8 faders; 3 banks
8 360o encoders; 3 banks
8 switches; LED-backlit; 3 banks
1 USB port
1 1/4" (6.35mm) TRS expression pedal input
1 1/4" (6.35mm) TS sustain pedal or footswitch input
1 5-pin MIDI in
1 5-pin MIDI out
via computer USB bus or USB charger (sold separately)
via power adapter (sold separately): 6V DC, 1A, center-positive
(W x D x H)
29" x 12.25" x 3.38"
73.7 cm x 31.1 cm x 8.6 cm
12.6 lbs.
5.72 kg
MODEL:MPK249

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Summary of Contents for Akai MPK249

  • Page 1 SERVICE MANUAL MODEL:MPK249 SPECIFICATIONS 49 keys; velocity-sensitive; 10-octave range with octave up/down buttons Note keys or transposition Pads 16 pads; velocity- and pressure-sensitive; 4 banks 8 faders; 3 banks Faders 8 360o encoders; 3 banks Knobs Switches 8 switches; LED-backlit; 3 banks 1 USB port 1 1/4"...
  • Page 2: Disassembly Procedures

    DISASSEMBLY PROCEDURES 1. DISASSEMBLE THE CABINET AND TOP PANEL. (Fig.1) (A) REMOVE 20 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)
  • Page 3 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 SLIDER CAPS FROM THE TOP PANEL. (D) REMOVE 11 SCREWS FROM THE 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)
  • Page 4 5.DISASSEMBLE THE PITCH/MOD PCB. (Fig.5) (A) REMOVE 4 SCREWS FROM THE PITCH/MOD PCB. (Fig.5)
  • Page 5: Wiring Diagram

    WIRING DIAGRAM (US/AUS) SEQUENCE NO OF EXPLODE DIAGRAM WILL BE MARKED ON REF. COLUMN OF BOM LIST...
  • Page 6: Packing Diagram

    PACKING DIAGRAM (US)
  • Page 7 PACKING DIAGRAM (AUS)
  • Page 8: Explode Diagram

    EXPLODE DIAGRAM (US/AUS)
  • Page 9 AD4AAKA11 DESCRIPTION LEVEL AD4AAKA11 MPK49 MK2 AC100-240V~50/60Hz USA AA822333X BUTTON PUSH B (7) RED 187C BAGL-55A CABLE CLIP 55L CN1620003001 Flat Cable 16pin 300mm Female/Female EVA1504457 EVA(122*122MM) FFC1610001001 CONNECTOR FFC2610002001 Connector 26P 200mm Pitch:1mm FFC3010002001 FFC 30Pin Pitch:1mm Length:200mm LAC22AKA278 Barcode Label LAC22AKA324 UPC Bar Code Label...
  • Page 10 PT1530029 Top Housing RU150435601 Rubber RU1530602 RUBBER FOOT SC0208RBCI SCREW M2X8 PPC TAPPING SC0306RINI SCREW M3X6 PPN SC0308RBNI Screw M3X8 PRN Tapping SC0310BIBI SCREW M3X10 PBB SC0310RBBI Screw M3X10 PPB Tapping SC0408PBBI SCREW M4X08 PPB TAPPING TW49701AYAH0102 Key Board Assembly BAGL-55A CABLE CLIP 55L CN0225405501...
  • Page 11 ICLM393DR IC OPA LM393DR SOIC-8 ICNJM2387 IC NJM2387 ICSN74HC02D IC SN74HC02D ICYH102M08 IC(STM32103VCT6+Program)LQFP-100 ICSTM32F103VCT6 IC STM32F103VCT6 LQFP-100 (U12) ICYH102M09 IC(STM32100C4T6B+Program)LQFP-48 ICSTM32F100C4T6 IC STM32F100C4T6B LQFP-48 (U7) JKDJ-0702B-020 DC Base 2.0MM PC13A009 Main PCB 4Layer FR-4 140*75MM PT1304702 PLATE (J5) RS000010J03 RES 0 5% SMD 0603 R2~5,13,26,32~35,62,73,79,80,85,94,97 R98,100,105 RS000110J03...
  • Page 12 CS104K5003X7R CCAP SMD 0.1uF/50V 10% 0603 X7R C5,14,19,71~73 CS106K1606X7R CCAP SMD 10uF/16V 10% 1206 X7R C2,11~13 FCN1T1001602 FCN Down Touch ZIF SMD Pitch=1.0mm 16P IC74HC595 Integrated Circuit LDKPT-1608SYCK Liquid-emitting Diode Yellow SMD 0603 LED0~7,74,75 angle 120° PC13A015 Top Left Front 2Layer FR-4 85*139MM RS004710F03 RES 47 1% SMD 0603 R14,18,368...
  • Page 13 IC74HC595 Integrated Circuit U60,62,63 LDKPT-1608SYCK Liquid-emitting Diode Yellow SMD 0603 LED56~73 angle 120° RS000010J03 RES 0 5% SMD 0603 R247,248 RS001510F03 RES 15 1% SMD 0603 R235 RS004710F03 RES 47 1% SMD 0603 R1,5,7,19,20,76,77,442,451,487 RS010K10F03 RES 10K 1% SMD 0603 R11,13,234,237~240,244,246 RS047010F03 RES 470 1% SMD 0603...
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