Akai MPD232 Service Manual Download

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Technical Specification

DISASSEMBLY PROCEDURES

1. DISASSEMBLE THE BOTTOM PANEL. (Fig.1)

(A) REMOVE 14 SCREWS FROM THE BOTTOM PANEL.

(Fig.1)

2. DISASSEMBLE THE LCM. (Fig.2)

(A) REMOVE 4 SCREWS FROM THE LCM.

(B) REMOVE 1 CABLES.

(Fig.2)

Summary of Contents for MPD232

Page 1: ... cursor buttons for display navigation 16 step buttons red green backlit 1 step sequencer bank button with 2 red LEDs 1 step sequencer record button red backlit Display 20 x 4 characters monochrome backlit with adjustable contrast Connections 1 USB port 1 power input power adapter sold separately 1 1 8 MIDI input 1 8 MIDI adapter included 1 1 8 MIDI output 1 8 MIDI adapter included 1 Kensington lo...

Page 2: ...ation Technical Specification Technical Specification DISASSEMBLY PROCEDURES 1 DISASSEMBLE THE BOTTOM PANEL Fig 1 A REMOVE 14 SCREWS FROM THE BOTTOM PANEL Fig 1 2 DISASSEMBLE THE LCM Fig 2 A REMOVE 4 SCREWS FROM THE LCM B REMOVE 1 CABLES Fig 2 ...

Page 3: ...PCB ASS Y Fig 3 A REMOVE 6 SCREWS FROM THE CONTROL PCB ASS Y B REMOVE 2 CABLES Fig 3 4 DISASSEMBLE THE MAIN PCB ASS Y Fig 4 A REMOVE 9 KNOBS 8 FADERS B REMOVE 9 NUTS AND 9 WASHERS C REMOVE 12 SCREWS FROM THE MAIN PCB ASS Y Fig 4 ...

Page 4: ...WIRING DIAGRAM US AUS SEQUENCE NO OF EXPLODE DIAGRAM WILL BE MARKED ON REF COLUMN OF BOM LIST ...

Page 5: ...PACKING DIAGRAM US ...

Page 6: ...PACKING DIAGRAM AUS ...

Page 7: ...EXPLODE DIAGRAM US AUS ...

Page 8: ...t Box 1 2 CTAD33513AKA01 Shipping Carton 0 5 2 GEAKA17 Ableton Card 1 2 GEAKA20 Generic Card 1 2 OPAD33AKA01 Fast Instruction 1 2 PE230370402B07 Poly Bag 230 370mm 1 2 PLAD3301 Poly Foam Front 1 2 PLAD3302 Poly Foam Back 1 2 SD48035010 Soft Sheet 1 1 PT1110685 Button Push 11 10 1 PT1504326 Light Pipe 2 8 1 PT1504454 PAD Holder 1 16 1 PT1510611001 Power Button Painting 1 5 2 PT15106110 Power Button...

Page 9: ... R353 357 361 365 2 RS047008F05 RES 470Ω 1 SMD 0805 4 R354 358 362 366 2 RS06K808F05 RES 6 8K 1 SMD 0805 4 R356 360 364 368 1 TWPC14A01701 Main PCB Assembly 1 29 2 AA822524X IC SN74HC165PW 7 U1 3 21 23 25 26 2 AA822748X Diode BAV99 2 D2 3 2 AL0 17 0101 RES Array 4X100 1 10W 0603 5 R78 103 117 120 121 2 AL0 17 0103 RES Array 4X10K 1 10W 0603 1 R123 2 AL2 50 4149 Diode Single 1N4148 100V 200mA SOT 2...

Page 10: ... emitting Diode Red SMD 0603 1 LED99 angle 120 2 LDKPT 1608SYCK Liquid emitting Diode Yellow SMD 0603 17 LED80 82 84 97 angle 120 2 PC14A017 Main PCB 2Layer FR 4 260x227MM 1 6T 1 2 RS000008J05 RES 0Ω 5 SMD 0805 14 R60 61 63 66 94 101 127 132 133 139 142 R148 247 248 2 RS000108J05 RES 1 0 Ω 5 SMD 0805 1 R99 2 RS001508F05 RES 15Ω 1 SMD 0805 1 R235 2 RS001K08F05 RES 1K 1 SMD 0805 4 R128 130 165 2 RS0...

Page 11: ...00Ω 100MHZ 1 L7 2 UHCBC3225T100MR INDUCTOR 10UH 0 9A 0 133OHM 20 1210 2 L1 2 2 UHPID1204 101M Inductor 100UH 20 1 2A 12 12 5MM 1 L3 2 VRR12302501 Potentiometer Rotary 12 5k 2B 2 25mm 8 R21 28 2 VRS10304533 Potentiometer Slide 10K 2B 45mm 15mm 8 R51 58 Dual Unit 2 XTM08000X6F1 Crystal 8MHZ 49US SMD Fundamental 1 X1 1 TWPC14A01801 Control PCB Assembly 1 30 2 AL3 02 0080 LED Amber L 169XSYDK 8 LED404...

Page 12: ...for the Production Testing of MPD232 Terms MPD232 A USB Pad Controller Also known as AD33 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 13: ...s the Tester to select 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 MPD232 requires that a por...

Page 14: ...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 15: ... 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 MPD232 will be read and displayed in the bottom left corner The Serial Number will also be read from...

Page 16: ... the rear panel Test messages are sent to the MPD232 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 This MIDI Loopback test will run automatically with no involvement of the Tester and report its result ...

Page 17: ...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 The LED Test has two phases 1 Animated test where the LEDs are lit one at a time This is to check for short...

Page 18: ...st 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 MPD232 The buttons can be pressed in any order but if ADT1 detects two button events at exactly the same time it will assume that these buttons are shorted together and fail the test ...

Page 19: ...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 20: ... the ADT1 Manufacturing Test application detects light pressure it will change the graphic symbol on the User interface and send a message to the MPD232 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 MPD232 to switch off the associated Pad LED ...

Page 21: ...ol 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 ADT1 has detected all clockwise values ADT1 is waiting for Tester to turn knob anti clockwise Tester shoul...

Page 22: ...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 In this test the ADT1 Manufacturing Test application will send messages to the MPD232 to set all the segments on the LCD display first on and then off ...

Page 23: ...l be removed and replaced with a text box This text box should be used to program the Serial Number into the MPD232 The Tester can 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 MPD232 When the Serialisation has completed successfully the display will update The word Programmed will appear next to th...

Page 24: ...s complete either successful or unsuccessful it should be possible to just disconnect that MPD232 and connect the next one It would not normally be necessary to reselect the ports as long as the corresponding test on the previous MPD232 were successful ...

Page 25: ... J 3 0 2 0 9 P I J 3 0 2 0 1 0 P I J 3 0 2 0 1 1 P I J 3 0 2 0 1 2 P I J 3 0 2 0 1 3 P I J 3 0 2 0 1 4 COJ302 P I J 3 0 3 0 1 P I J 3 0 3 0 2 P I J 3 0 3 0 3 P I J 3 0 3 0 4 P I J 3 0 3 0 5 P I J 3 0 3 0 6 P I J 3 0 3 0 7 P I J 3 0 3 0 8 P I J 3 0 3 0 9 P I J 3 0 3 0 1 0 P I J 3 0 3 0 1 1 P I J 3 0 3 0 1 2 P I J 3 0 3 0 1 3 P I J 3 0 3 0 1 4 COJ303 PIP101 PIP102 COP1 PIP201 PIP202 COP2 PIP301 PIP3...

Page 26: ...9 PIR34001 PIR34002 COR340 PIR34101 PIR34102 COR341 PIR34201 PIR34202 COR342 PIR34301 PIR34302 COR343 PIR34401 PIR34402 COR344 PIR34501 PIR34502 COR345 PIR34601 PIR34602 COR346 PIR34701 PIR34702 COR347 P I R 3 4 8 0 1 P I R 3 4 8 0 2 COR348 P I R 3 4 9 0 1 P I R 3 4 9 0 2 COR349 P I R 3 5 0 0 1 P I R 3 5 0 0 2 COR350 P I R 3 5 1 0 1 P I R 3 5 1 0 2 COR351 P I R 3 5 2 0 1 P I R 3 5 2 0 2 COR352 P I...

Page 27: ...D14 56 PD10 FSMC_D15 57 PD11 FSMC_A16 58 PD12 FSMC_A17 59 PD13 FSMC_A18 60 PD14 FSMC_D0 61 PD15 FSMC_D1 62 PC6 TIM8_CH1 63 PC7 TIM8_CH2 64 PC8 TIM8_CH3 65 PC9 TIM8_CH4 66 PA8 TIM1_CH1 MCO 67 PA9 USART1_TX 68 PA10 USART1_RX 69 PA11 TIM1_CH4 70 PA12 TIM1_ETR 71 PA13 JTMS 72 NC 73 74 75 PA14 JTCK 76 PA15 SPI3_NSS JTDI 77 PC10 UART4_TX 78 PC11 UART4_RX 79 PC12 UART5_TX 80 PD0 FSMC_D2 81 PD1 FSMC_D3 82...

Page 28: ...P22 C45 0 1uF Q4 MBT4403 R128 1K R129 1K R130 1K C53 0 1uF C54 0 1uF R131 820K G D S U7B FDC6306P C57 1uF D5 12V TP23 C58 0 1uF R132 0 ohm VBUS 1 D 2 D 3 GND 4 5 6 J6 R133 0 ohm C70 0 1uF R134 10K 8 4 V V U8C LM393 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 VADJ 4 5 OUT TAB 6 GND U59 NJM2387 C163 0 1uF C171 0 1uF TP24 R...

Page 29: ...6 R54 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 C121 0 1uF C122 0 1uF C123 0 1uF C124 0 1uF C125 0 1uF C126 0 1uF C127 0 1uF C128 0 1uF C129 0 1uF C130 0 1uF C131 0 1uF C132 0 1uF 1 2 3 4 5 6 R55 10KB 1 2 3 4 5 6 R56 10KB 1 2 3 4 5 6 R57 10KB 1 2 3 4 5 6 R58 10KB C137 0 1uF C138 0 1uF C139 0 1uF C140 0 1uF C141 0 1uF C142 0 1uF C143 0 1uF C144 0 1uF IO4 1...

Page 30: ...16 U15 74HC595 R105 47 ohm Q1 1 Q2 2 Q3 3 Q4 4 Q5 5 Q6 6 Q7 7 GND 8 SDO 9 SCLR 10 SCLK 11 RCLK 12 OE 13 SER 14 Q0 15 VCC 16 U16 74HC595 C77 0 1uF C79 0 1uF R150 47 ohm R151 47 ohm R152 47 ohm R153 47 ohm R156 47 ohm R157 47 ohm R176 47 ohm R178 47 ohm R179 47 ohm R280 47 ohm R281 47 ohm R282 47 ohm R283 47 ohm R284 47 ohm R285 47 ohm R286 47 ohm R287 47 ohm R288 47 ohm R112 100 ohm R113 100 ohm LE...

Page 31: ...D56 GRN RED LED58 GRN RED LED60 GRN RED LED62 R274 47 ohm C108 10uF R97 62 ohm R160 62 ohm R162 62 ohm R204 62 ohm R206 62 ohm R208 62 ohm R255 62 ohm R257 62 ohm GRN RED LED64 GRN RED LED66 GRN RED LED68 GRN RED LED70 GRN RED LED72 GRN RED LED74 GRN RED LED76 GRN RED LED78 C3 10uF R259 62 ohm R261 62 ohm R263 62 ohm R265 62 ohm R267 62 ohm R269 62 ohm R271 62 ohm R273 62 ohm C78 10uF C147 10uF R2...

Page 32: ...R81 10K R82 10K R83 10K R84 10K R85 10K R86 10K R87 10K R88 10K R89 10K R90 10K SHIFT LOAD 1 CLOCK 2 D4 3 D5 4 D6 5 D7 6 SER_OUT 7 8 8 SER_OUT 9 SER_IN 10 D0 11 D1 12 D2 13 D3 14 INHIBIT 15 VCC 16 U21 74HC165 C109 0 1uF SHIFT LOAD 1 CLOCK 2 D4 3 D5 4 D6 5 D7 6 SER_OUT 7 8 8 SER_OUT 9 SER_IN 10 D0 11 D1 12 D2 13 D3 14 INHIBIT 15 VCC 16 U23 74HC165 C110 0 1uF R177 47 ohm SHIFT LOAD 1 CLOCK 2 D4 3 D5...

Page 33: ...EDS PADS_LEDS_OUT GND 3V3 BACKLIGHT_EN 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 LED_SEQ_REC LED_NOTE_REPEAT LED_16_LEVELS LED_FULL_LEVEL LED_TAP_TEMPO LED_PAD_BANK_A LED_PAD_BANK_B LED_PAD_BANK_C LED_PAD_BANK_D GND_LED SW_STOP SW_PLAY SW_RECORD SW_SEQREC SW_PA...

Page 34: ...E REPEAT LED_SEQ REC LED_PAD BANK A LED_PAD BANK B LED_PAD BANK C LED_PAD BANK D LED_FULL LEVEL LED_16 LEVELS VLED VLED NC GND GND GND Unlike other sheets this sheet might be regarded as viewing the PCB from above GND ASSY NUMBER 1 2 3 4 5 6 D C B A C D B A COMPANY TITLE PART NUMBER FILENAME SCALE RELEASED DRAWN DATED DATED SIZE SHEET OF NAME AD33 Top Panel AKAI 2014 11 25 AD33TP108C_TOP LEFT PrjP...

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Akai MPD232, Service Manual

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