background image

 

 

 

 

 

 

 

 

 

 

 

 

 

       

                                         

     

SPECIFICATIONS 

   

GENERAL 

Display   

custom LCD w/ backlight 

Dimensions (WxDxH)   

730mm x 300mm x 100mm 

Weight   

5.8kg 

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 

49 Semi-Weighted keyboard (velocity 

and channel pressure sensitive) 

Drum pads 

12 (velocity and pressure sensitive) 

Drum pad banks 

Sliders 

360 degree knobs 

Switches 

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 49 

Summary of Contents for MPK49

Page 1: ...x 3 ports MIDI output channels from 5 pin MIDI 16 Keyboard 49 Semi Weighted keyboard velocity and channel pressure sensitive Drum pads 12 velocity and pressure sensitive Drum pad banks 4 Sliders 8 36...

Page 2: ...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 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...

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 5: ......

Page 6: ......

Page 7: ......

Page 8: ...COVER PAINT 2 1 MT1504415 SIDE HANDLE METAL COVER 2 MT153030401 BOTTOM PANEL PAINT PRINT 1 13 MT1530304 BOTTOM PANEL 1 NM1106112 NONWOVEN 60X10 MM ADHESIVE 8 32 PAD49AKA01 PACKING 1 AA821535X USB CABL...

Page 9: ...1 1 AL9 79 0450 MIAN PCB ASS Y 1 2 AA822395X 26P FFC CONNECTOR 1 J12 2 AA822748X DIODE BAV99 5 D1 2 5 7 8 2 AL0 16 1004 RESISTOR 1M SMD 1 1 R47 2 AL0 16 1102 RESISTOR 11K SMD 1 2 R75 76 2 AL0 16 1331...

Page 10: ...2 R5 9 2 RS010008F05 RES 100 1 SMD 0805 1 R32 2 RS010K08J05 RES 10K 5 SMD 0805 9 R7 8 19 23 26 34 42 48 65 2 RS022008J05 RES 220 5 SMD 0805 3 R10 21 22 2 RS04K708J05 RES 4 7K 5 SMD 0805 11 R13 14 35 4...

Page 11: ...45 47 48 51 52 54 56 59 63 65 67 77 2 AL2 51 4401 TRANSISTOR 2N4401 2 Q1 2 2 AL2 51 4403 TRANSISTOR 2N4403 2 Q3 4 2 AL2 64 0154 IC 74HC154 4 TO 6 LINE SOIC 24 1 U3 2 AL2 73 4051 IC74HC4051 IC74HC4051...

Page 12: ...A0 24C256 U4 SDA 5 SCL 6 WP 7 0 1uF C57 0 1uF C47 0 1uF C48 Z2 Z3 1000pF C46 1000pF C43 1000pF C39 1000pF C42 7 6 5 4 3 2 1 15 14 13 12 11 10 9 8 23 22 21 20 19 18 17 16 5 4 3 2 1 13 12 11 10 9 8 7 6...

Page 13: ...Q2 1000pF C10 FDC6306P U3 A S D G 1uF C30 TP1 BAV99 D1 3 2 10k J7 14 13 12 100k R25 0 1uF C20 12V D9 0 1uF C22 1k R11 MBT4403 Q1 3 10k 100k R67 33 2k 1 R66 5VUNREG TCK_FPGA POWER_EN LCD_CONTRAST_DC LC...

Page 14: ...32k 1 LMV324M U10 B 7 6 5 MOD_POT ANALOG_TOP GND 74HC4051 U5 VDD 16 IO2 15 IO1 DNS DNS DNS DNS REV SIZE SHEET OF C TITLE PART NUMBER FILENAME SCALE RELEASED DRAWN DATED DATED C B A C D B A COMPANY DA...

Page 15: ...REVISION RECORD SCALE COMPANY 9 40 0451 A AD49 TOP LEFT PCB 2 1 DATE D B A RELEASED DATED B A C D 6 5 4 3 B FILENAME ASSY NUMBER PART NUMBER TITLE DRAWN LTR C PAD2 PAD1 TO PADS 2 9 79 0451 A 0 AKAI R...

Page 16: ...T FOR 6mA BACKLIT BUTTON LEDS SET FOR 16mA INDICATOR LEDS ARE T1 CASE DIFFUSED BUTTON LEDS ARE 2MMx3MM NON DIFFUSED S4 S6 S5 S1 S2 S7 S6B PH KL LF SN J1 6 5 4 3 74AHC04 U2 E 10 11 15 ohm R1 26FMZ ST L...

Page 17: ...2007 AD49TRA01A sch PART NUMBER ASSY NUMBER FILENAME B SIZE REV 1 AKAI D C A B C LTR DRAWN TITLE D DATE 1 2 3 4 5 6 REVISION RECORD APPROVED ECO NO DATED DATED RELEASED A B Rotary4 Rotary3 Rotary2 Rot...

Page 18: ...10 C 9 VSS 8 IO2 15 IO1 14 IO0 13 IO3 12 2 IO4 1 6 IO5 5 IO7 4 OUT IN 3 IO6 10 C 9 VSS 8 VEE 7 INH 14 IO0 13 IO3 12 A 11 B 74HC4051 U5 VDD 16 IO2 15 IO1 1000pF C66 1000pF C46 6 13 2007 APPROVED REVIS...

Page 19: ...2 11 10 9 8 7 22 21 20 19 18 17 16 15 8 7 6 5 4 3 2 1 16 15 14 13 12 11 10 9 24 23 22 21 20 19 18 17 6 5 4 3 2 1 14 13 12 11 10 9 8 7 22 21 20 19 18 17 16 15 22FMZ ST LF SN J2 C A B C LTR DRAWN TITLE...

Page 20: ...Q7 12 CLK 11 GND 10 Q2 17 Q3 16 Q4 15 Q5 14 SN74AC574PW U6 VCC 20 Q0 19 Q1 18 0 1uF C59 0 1uF C38 220 ohm R35 YEL LED5 1 B SIZE REV 4 AKAI R E I F J B M S 2 9 40 0452 A B C LTR DRAWN TITLE PART NUMBE...

Page 21: ...CTAVE PLAY OCTAVE EDIT CK6 CONTROL BANK PREVIEW CK8 CK4 CK3 CK2 VALUE UP VALUE DN CK5 PRESET S17 S7 D9 3 2 1 3 2 1 D20 Y0 1 Y4 5 Y3 4 Y2 3 Y1 2 Y8 9 Y7 8 Y6 7 Y5 6 Y11 13 GND 12 Y10 11 Y9 10 Y15 17 Y1...

Page 22: ...EEL LED PCB R E I F J B M S AKAI 9 40 0453 2 9 79 0453 2 0 AD49WH201A sch 2 2 1 DATE LTR ECO NO APPROVED REVISION RECORD ASSY NUMBER A B C D 6 5 4 3 FILENAME PART NUMBER TITLE COMPANY A B D C SHEET SI...

Page 23: ......

Page 24: ......

Page 25: ......

Page 26: ......

Page 27: ......

Page 28: ......

Page 29: ......

Page 30: ......

Page 31: ......

Page 32: ......

Page 33: ......

Page 34: ......

Reviews: