Akai MPD226 Service Manual Download Page 34 | Manualshive

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Summary of Contents for MPD226

Page 1: ...buttons amber backlit 3 3 3 3 transport buttons 4 4 4 4 directional cursor buttons for display navigation Display Display Display Display 20 20 20 20 x 4 4 4 4 characters monochrome backlit with adjustable contrast Connections Connections Connections Connections 1 1 1 1 USB port 1 1 1 1 power input power adapter sold separately 1 1 1 1 1 8 MIDI input 1 8 MIDI adapter included 1 1 1 1 1 8 MIDI outp...

Page 2: ...ER VR CAP FROM THE TOP PANEL B REMOVE 13 SCREWS FROM THE BOTTOM PANEL Fig1 2 DISASSEMBLE THE TOP PCB ASSEMBLY FSR PCB ASSEMBLY AND LCM A REMOVE 2 PCS CABLE FROM THE TOP PCB ASSEMBLY AND FSR PCB ASSEMBLY B REMOVE 11 SCREWS FROM THE TOP PCB ASSEMBLY C REMOVE 4 SCREWS FROM THE LCM D REMOVE 8 SCREWS FROM THE FSR PCB ASSEMBLY Fig2 ...

Page 3: ...WIRING DIAGRAM US AU ...

Page 4: ...PACKING DIAGRAM US AU ...

Page 5: ...EXPLODE DIAGRAM US AUS EQUENCIAL NO EXPLODE DIAGRAM WILL BE MARKED ON REF COLUMM OF BOM LIST ...

Page 6: ... 1 NM1504403 FELT 45 ADHESIVE 4 22 1 NP215AKA41 Name Plate 1 12 1 OTFSR16KEY AD33 FSR 16KEY 1 5 1 PAD27AKA21 Packing Assembly 1 2 AL7 51 0226 M Safety Manual 1 2 CGAD27310AKA01 Gift Box 1 2 CTAD27513AKA01 Shipping Carton 0 5 2 OPAD27AKA01 Instruction book 1 2 PE230190402B07 Pe Bag 1 2 PLAD2701 Polyfoam Left 1 2 PLAD2702 Polyfoam Right 1 2 SD38030000 Soft Sheet 1 1 PT1110685 Button Push 6 15 1 PT15...

Page 7: ...C43 63 65 2 CS103K5003X7R CCAP SMD 0 01uF 50V 10 0603 X7R 4 C42 89 92 94 2 CS104K5003X7R CCAP SMD 0 1uF 50V 10 0603 X7R 49 C5 8 15 17 21 23 26 37 39 41 44 45 47 C51 56 58 60 66 67 69 70 72 90 93 95 C101 107 163 171 2 CS105K1003X5R CCAP SMD 1uF 10V 10 0603 X5R 3 C9 177 178 2 CS105K2505X7R CCAP SMD 1uF 25V 10 0805 X7R 1 C57 2 CS106K0605X5R CCAP SMD 10uF 6 3V 10 0805 X5R 6 C3 19 20 22 50 176 2 CS180J...

Page 8: ... 2 RS220K08F05 RES 220K 1 SMD 0805 3 R68 124 125 2 RS2K1508F05 RES 2 15K 1 SMD 0805 1 R166 2 RS4K7508F05 RES 4 75K 1 SMD 0805 1 R158 2 RS820K08F05 RES 820K 1 SMD 0805 1 R131 2 RS8K0608F05 RES 8 06K 1 SMD 0805 1 R154 2 SWDC11B20214A8 Switch Rotatiomal 20 pulse 20mm push on 1 E1 switch 2 SWEVQ11L04M Switch Tact 4 3mm 160g Horizontal DIP 21 SW0 20 2 SWSPPJ22ME04 Switch Push 2P2T Dual Row Lock 1 SW21 ...

Page 9: ... 234 237 240 R243 246 249 252 255 258 261 2 RS01K508F05 RES 1 5K 1 SMD 0805 4 R218 222 226 230 2 RS047008F05 RES 470Ω 1 SMD 0805 4 R219 223 227 231 2 RS06K808F05 RES 6 8K 1 SMD 0805 4 R221 225 229 233 2 RS33R208F05 RES 33 2Ω 1 SMD 0805 32 R201 202 204 205 207 208 210 211 213 214 R216 217 235 236 238 239 241 242 244 245 R247 248 250 251 253 254 256 257 259 260 R262 263 ...

Page 10: ...for the Production Testing of MPD226 Terms MPD226 A USB Pad Controller Also known as AD27 ADT1 A Manufacturing Test application that runs on Windows computers Hardware setup ADT1 expects the following connections to be made 1 USB connection to Windows Computer running ADT1 Manufacturing Test application 2 MIDI IN connected to MIDI OUT for MIDI Loopback Test ...

Page 11: ...ect these ports when the program is first run Once a subtest has been successfully completed it should no longer be necessary to select these ports even if a different unit is being tested The ports that need to be selected depend on the sub tests that are being performed for that product In addition to the main USB MIDI port the Manufacturing test for MPD226 requires that a port be selected for t...

Page 12: ...low the Tester to select the port used for the MIDI loopback test Select the correct port and click OK This selection should only need to be done once when the program is first run User Interface The Main Test screen has a representation of the Device Under Test ...

Page 13: ... will loop back to repeat any tests that have not completed successfully The option to write a Serial Number into the Device Under Test will not be offered until every subtest has been completed successfully i e every subtest button is green Serial Number When a test starts the Serial Number of the MPD226 will be read and displayed in the bottom left corner The Serial Number will also be read from...

Page 14: ...es are sent to the MPD226 for transmission from the MIDI OUT connector on the rear panel The ADT1 Manufacturing Test app looks for these messages to be received back on the MIDI IN connector There will be a short delay before the MIDI Loopback test runs after which it will run automatically with no involvement of the Tester and report its result ...

Page 15: ...LED tests There are a number of LED tests in the MPD226 Manufacturing Test Red Pad LEDs Green Pad LEDs Blue Pad LEDs Button LEDs ...

Page 16: ...ace will indicate which LEDs are flashing and what colour they should be The Tester should indicate whether the test passed by pressing the UI controls indicated by the bubble messages Test Passed press the control indicated by PASS bubble message Test Failed press the control indicated by FAIL bubble message ...

Page 17: ...d The Tester should individually press and release the indicated buttons When the ADT1 manufacturing Test application detects that the button has been pressed it will change the graphic symbol on the User Interface and where possible it will send a message to light the LED that is associated with the button on the MPD226 The buttons can be pressed in any order but if ADT1 detects two button events...

Page 18: ...Fader Test This test requires that the Test operate the indicated Faders to their minimum and then maximum limits When the Minimum has been reached the graphic symbol on the User Interface will change ...

Page 19: ... the ADT1 Manufacturing Test application detects light pressure it will change the graphic symbol on the User interface and send a message to the MPD226 to light the associated Pad LED When the ADT1 Manufacturing Test application detects maximum pad pressure it will change the graphic symbol to green and send a message to the MPD226 to switch off the associated Pad LED ...

Page 20: ...ill check that all possible values are received from the knob control The progress of the test is indicated by the graphics on the control Graphics ADT1 Tester ADT1 is waiting for Tester to turn knob clockwise Tester should turn knob clockwise ADT1 has detected clockwise movement Tester should continue to turn knob clockwise ensuring that all values are sent ...

Page 21: ...clockwise Tester should turn knob anti clockwise ADT1 has detected anti clockwise movement Tester should continue to turn knob anti clockwise ensuring that all values are sent ADT1 has detected all anti clockwise values This knob has passed test Tester should move to next knob LCD Test ...

Page 22: ...ents on the LCD display first on and then off For both the on and off tests the Tester should examine the LCD and use the indicated buttons to confirm whether the subtest has passed Test Passed press the control indicated by PASS bubble message Test Failed press the control indicated by FAIL bubble message ...

Page 23: ...type the Serial Number followed by Carriage Return but it is preferred that a USB Barcode Reader is used to scan the serial number barcode on the MPD226 When the Serialisation has completed successfully the display will update The word Programmed will appear next to the Serial Number box The new Serial Number will appear in the bottom left corner this is important A green tick will appear next to ...

Page 24: ...s complete either successful or unsuccessful it should be possible to just disconnect that MPD226 and connect the next one It would not normally be necessary to reselect the ports as long as the corresponding test on the previous MPD226 were successful ...

Page 25: ...PA13 46 PA12 45 PA11 44 PA10 43 PA9 42 PA8 41 PC9 40 PC8 39 PC7 38 PC6 37 PB15 36 PB14 35 PB13 34 PB12 33 PA14 49 PA15 50 PC10 51 PC11 52 PC12 53 PD2 54 PB3 55 PB4 56 PB5 57 PB6 58 PB7 59 BOOT0 60 PB8 61 PB9 62 63 64 32 31 PB11 30 PB10 29 PB2 28 PB1 27 PB0 26 PC5 25 PC4 24 PA7 23 PA6 22 PA5 21 PA4 20 19 18 PA3 17 VDD VSS U11 STM32F102RBT6 C6 0 1uF C 64 1000pF OE 1 D0 2 D1 3 D2 4 D3 5 D4 6 D5 7 D6 ...

Page 26: ...4 Akai Professional AD27 Top Panel OUT 1 IN 2 GND 3 U6 NJU7223DL1 33 R127 0 ohm TP22 C45 0 1uF C48 4 7uF Q4 MBT4403 R128 1k R129 1k R130 1k C53 0 1uF C54 0 1uF R131 820k G D S U7B FDC6306P C57 1uF TP23 C58 0 1uF R132 0 ohm VBUS 1 D 2 D 3 4 4 5 6 J6 R133 0 ohm C70 0 1uF R134 10k G D S U7A FDC6306P C72 0 1uF 3 1 D8 MMBD4148 R135 806 ohm 1 R136 475 ohm 1 R137 1 10k 1 R138 10 0k 1 VIN 1 ON OFF 2 OUT 3...

Page 27: ... 1000pF C66 0 1uF C67 0 1uF 1 2 3 4 5 6 R107 10KB 1 2 3 4 5 6 R109 10KB 1 2 3 4 5 6 R116 10KB 1 2 3 4 5 6 R118 10KB C46 0 1uF C47 0 1uF C51 0 1uF C52 0 1uF C55 0 1uF C56 0 1uF C59 0 1uF C60 0 1uF C43 1000pF 3V3 L1 R1 L2 R2 L3 R3 L4 R4 ANALOG_TOP GND GND GND GND GND 3V3 3V3 R1 R2 R3 R4 GND L1 L2 L3 L4 FADER3 FADER4 FADER1 FADER2 GND GND ANALOG0 ANALOG_SELECT0 ANALOG_SELECT1 ANALOG1 FADER1 FADER2 FA...

Page 28: ...R13D 220 ohm R13A 220 ohm R13B 220 ohm R13C 220 ohm R11A 220 ohm R11B 220 ohm R11C 220 ohm R11D 220 ohm R12A 220 ohm R12B 220 ohm R12C 220 ohm R12D 220 ohm R121A 330 OHM R121B 330 OHM R121C 330 OHM R121D 330 OHM R122B 330 OHM R122C 330 OHM R122D 330 OHM R163 47 ohm R176 47 ohm LEDS0 LEDS0 LEDS1 LEDS1 LEDS2 LEDS2 LEDS3 LEDS3 LEDS4 LEDS4 LEDS5 LEDS5 LEDS6 LEDS6 LEDS8 LEDS8 LEDS9 LEDS9 LEDS10 LEDS10 ...

Page 29: ... R4 10k R5 10k R8 10k R9 10k R14 10k R18 10k R19 10k R20 10k R35 10k R62 10k R64 10k R79 10k R80 10k R81 10k R82 10k R83 10k R84 10k R85 10k R86 10k R87 10k R88 10k R89 10k R90 10k R159 10k R160 10k R161 10k R10 0 ohm R162 0 ohm BTNS_0 BTNS_0 BTNS_1 BTNS_1 BTNS_20 BTNS_20 BTNS_21 BTNS_22 BTNS_2 BTNS_2 BTNS_3 BTNS_3 BTNS_4 BTNS_4 BTNS_19 BTNS_19 BTNS_23 BTNS_5 BTNS_5 BTNS_6 BTNS_6 BTNS_7 BTNS_7 BTN...

Page 30: ...2 3 D2 BAV99 C107 0 1uF R172 100 ohm R158 4 75k 1 DATA7 DATA6 DATA5 DATA4 DATA3 DATA2 DATA1 DATA0 DATA 0 7 3V3 GND GND GND GND VLED LED_ENABLE LOAD_LEDS SHIFT_LEDS PADS_LEDS_OUT GND_LED 3V3 GND 3V3 LCD_E LCD_RW LCD_RS 3V3 3V3 LCD_CONTRAST PAD_SCAN0 PAD_SCAN1 PAD_SCAN2 PAD_SCAN3 PAD_RETURN0 PAD_RETURN1 PAD_RETURN2 PAD_RETURN3 3V3 GND GND MIDI_TX GND GND GND GND GND 3V3 MIDI_RX DATA 0 7 D21 GND GND ...

Page 31: ...24 10K C205 0 01uF C202 560pF 10 9 8 8 U200C LMV324M R227 470 ohm R228 10K C206 0 01uF C203 560pF 12 13 14 14 U200D LMV324M R231 470 ohm R232 10K C207 0 01uF 1 2 3 D207 BAV70 1 2 3 D205 BAV70 1 2 3 D203 BAV70 1 2 3 D201 BAV70 P9 P13 P10 P14 P11 P15 P12 P16 P1 P5 P2 P6 P3 P7 P4 P8 1 2 3 D206 BAV70 1 2 3 D204 BAV70 1 2 3 D202 BAV70 1 2 3 D200 BAV70 4 11 V V U200E LMV324M C208 0 1uF 1 2 3 4 5 6 7 8 9...

Page 32: ...3 PADLEDS14 PADLEDS14 PADLEDS15 PADLEDS15 PADLEDS24 PADLEDS24 PADLEDS27 PADLEDS27 PADLEDS25 PADLEDS25 PADLEDS26 PADLEDS26 PADLEDS28 PADLEDS28 PADLEDS29 PADLEDS29 PADLEDS30 PADLEDS30 PADLEDS31 PADLEDS31 PADLEDS32 PADLEDS32 PADLEDS33 PADLEDS33 PADLEDS34 PADLEDS34 PADLEDS35 PADLEDS35 PADLEDS36 PADLEDS36 PADLEDS37 PADLEDS37 PADLEDS38 PADLEDS38 PADLEDS39 PADLEDS39 PADLEDS40 PADLEDS40 PADLEDS16 PADLEDS1...

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