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SERVICE MANUAL
GENERAL
Display
Dimensions (WxDxH)
Weight
Power
Number of Presets
MIDI output channels over USB
MIDI output channels from 5-pin MIDI 16
Keyboard
Drum pads
Drum pad banks
Sliders
360 degree knobs
Switches
Accessories
INPUTS/OUTPUTS
MIDI inputs
MIDI outputs
USB
DC IN
SPECIFICATIONS
custom LCD w/ backlight
730mm x 300mm x 100mm
5.8kg
~100mA, 5V DC via USB
~1A, 6V DC via external adaptor
30
48 (16 channels x 3 ports)
49 Semi-Weighted keyboard (velocity
and channel pressure sensitive)
12 (velocity and pressure sensitive)
4
8
8
8
User's manual
USB cable (1m)
CD-ROM disc
5-pin DIN x 1
5-pin DIN x 1
Slave connector x 1 (MIDI over USB)
6V DC, 1A
MODEL:
MPK 49

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Summary of Contents for Akai MPK 49

  • Page 1 SERVICE MANUAL MODEL: MPK 49 SPECIFICATIONS GENERAL Display custom LCD w/ backlight Dimensions (WxDxH) 730mm x 300mm x 100mm Weight 5.8kg ~100mA, 5V DC via USB Power ~1A, 6V DC via external adaptor Number of Presets MIDI output channels over USB...
  • Page 2: Disassembly Procedures

    DISASSEMBLY PROCEDURES 1. DISASSEMBLE THE CABINET (Fig1) (A) REMOVE 20 SCREWS FROM BOTTOM PANEL. (B)(C)(D)(E)(F)(G) REMOVE 6 CABLES. (Fig1)
  • Page 3 2. DISASSEMBLE THE LEFT PANEL PCB ASS’Y. (Fig2) (A) REMOVE 4 SCREWS (B) REMOVE 1 CABLE (C) REMOVE PAD SENSOR (Fig.2) 3.DISASSEMBLE THE RIGHT PANEL PCB ASS’Y. (Fig.3) (A) REMOVE 9 KNOBS (B) REMOVE 9 NUTS AND 9 WASHERS (C) REMOVE 8 SLIDER CAPS FROM THE TOP PANEL (D) REMOVE 14 SCREWS (E) REMOVE ALL CABLES (Fig.3)
  • Page 4 4.DISASSEMBLE THE LED PCB ASS’Y. (Fig.4) (A) REMOVE 4 SCREWS. (Fig.4) 5.DISASSEMBLE THE MAIN PCB ASS’Y. (Fig.5) (A) REMOVE 2 NUTS (B) REMOVE 3 SCREWS...
  • Page 8 MPK 49 BOM DESCRIPTION LEVEL AA822333X BUTTON PUSH B (7) BAAMB-12S-50 FLEXIBLE BUSHING 50X1.2MM BAGL-40A CABLE CLIP 40L BAGL-55A CABLE CLIP 55L BAS-MS-RR3NNS PAD SENSOR CN0100000701 WIRE 70mm EVA1304408 FOAM EVA STRIP 71X4X1.5tMM SA EVA1504405 FOAM EVA STRIP 75X16X1.0tMM SA...
  • Page 9 PT153000501 TOP PANEL-PAINT,PRINT PT1530005 TOP PANEL RU1330701 FOOT STAND RU1504303 RUBBER DRUM PAD SC0208RBCI SCREW M2X8 MM PRZ TAPPING SC0306RICI SCREW M3X6 MM PRZ SC0308RBNI SCREW M3X8 MM PRN TAPPING SC0310BIBI SCREW M3X10 MM PPB SC0310RBBI SCREW M3X10 MM PRB TAPPING SC0408PBBI SCREW M4X8 MM PPB TAPPING TWBAEP-490-W-AF...
  • Page 10 AL2-74-0181 IC TLP181 AL4-00-0002 JACK 5P MIDI J4,5 AL4-02-0007 JACK 7P(6.3 ) J1,2 AL4-08-0402 USB JACK (USB1.1) AL4-14-0116 CONNECTOR 6P DIL J9,10 AL4-15-0004 CONNECTOR 4P 2.54 180° AL7-01-0060 CRAYSTAL 40M SMD AL7-01-0061 CRAYSTAL 6.1M SMD AL7-20-0102 BEAD 1000 100MHZ 0.2A L3,5 ¢...
  • Page 11 RS001K08J05 RES 1K 5% SMD 0805 RS010K08J05 RES 10K 5% SMD 0805 R5,8,12,17,23 RS022008J05 RES 220 5% SMD 0805 R20~22 £ RS027K08J05 RES 27K 5% SMD 0805 R10,11,15 RS047008J05 RES SMD 470 5% SMD 0805 R4,9,16 £ RS04K708J05 RES 4.7K 5% SMD 0805 R6,7,18 RS15018J05 RES 15...
  • Page 12 LCD/LED/FPGA_DATA[0:7] 4.7k 1000pF 1000pF 4.7k 1000pF 1000pF 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k 1000pF 1000pF 1000pF 1000pF ANALOG[0:3] 0 ohm 0 ohm 0 ohm VCC 35 GNDIO0 VCC_AUX 88 GNDIO0 VCCIO0 80 VCCIO0 92 GNDIO1 GNDIO1 VCCIO1 GNDIO2 VCCIO1 GNDIO2 VCCIO2 29...
  • Page 13 FPGA MICROCONTROLLER JTAG EMULATOR JTAG EMULATOR 4.7k 100k 100k 100k 100k 0 ohm...
  • Page 14 AFTER- TOUCH 0.1uF ANALOG_SELECT[0:2] 74HC4051 1000pF...
  • Page 15 0.1uF 0.1uF TO PADS 4.7k 4.7k 4.7k 560pF 560pF 560pF PAD_RETURN[0:2]...
  • Page 16 FROM PITCH/ MOD WHEEL POTS 0.1uF 0.1uF 0.1uF...
  • Page 17 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 10KB 10KB 10KB...
  • Page 18 ANALOG_SELECT[0:2] ANALOG_SELECT[0:2] 74HC4051 74HC4051 1000pF 1000pF ANALOG_SELECT[0:2] 74HC4051 1000pF...
  • Page 19 0.1uF 1000pF...
  • Page 20 LCD/LED/FPGA_DATA[0:7] SN74AC574PW SN74AC574PW...
  • Page 21 BTN_SCAN_SEL[0:3] 0.1uF BUTTON_COLUMN[0:3]...