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Confidential

M-Audio Service Manual

M-Audio

Hammer 88

[MK50]

Service Manual

v1.0

The information in this document contains privileged and confidential information. It is
intended only for the use of those authorized by M-Audio. If you are not the authorized,
intended recipient, you are hereby notified that any review, dissemination, distribution
or duplication of this document is strictly prohibited. If you are not authorized, please
contact M-Audio and destroy all copies of this document. You may contact M-Audio at

support

@

m-audio.com

.

© Copyright M-Audio

ATTENTION!

This document contains sensitive proprietary information.

All recipients must have a current non-disclosure agreement
on file with M-Audio.

Do not make illegal copies of this document.

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Содержание Hammer 88

Страница 1: ...ent you are hereby notified that any review dissemination distribution or duplication of this document is strictly prohibited If you are not authorized please contact M Audio and destroy all copies of this document You may contact M Audio at support m audio com Copyright M Audio ATTENTION This document contains sensitive proprietary information All recipients must have a current non disclosure agr...

Страница 2: ...e Manual shall be solely your responsibility and M Audio shall have no liability for any such repairs or service work All such service or repairs are performed at the sole risk of the person performing the service or repairs You agree that all such work will be performed in a competent professional and safe manner at all times and to indemnify and fully hold M Audio and its successors and assigns ...

Страница 3: ...TE WITH ANY M AUDIO DISTRIBUTOR OR AUTHORIZED REPAIR SERVICE CENTER IN THE PROVISION OF REPAIR SERVICES OR TO BE OR MAKE REPAIRS AS AN AUTHORIZED SERVICE CENTER ALL REPAIRS DONE BY ANY ENTITY OTHER THAN AN AUTHORIZED M AUDIO SERVICE CENTER SHALL BE SOLELY THE RESPONSIBILITY OF THAT ENTITY AND M AUDIO SHALL HAVE NO LIABILITY TO THAT ENTITY OR TO ANY OTHER PARTY FOR ANY REPAIRS BY THAT ENTITY Regard...

Страница 4: ...es heat registers radiators or other heat producing equipment 7 Ventilation When installing the product make sure that the product has adequate ventilation Improperly ventilating the product may cause overheating which may damage the product 8 Mounting The product should only be used with a rack which the manufacturer recommends The combination of the product and rack should be moved carefully Qui...

Страница 5: ...MIDI KEYBOARD SERVICE MANUAL HAMMER88 ...

Страница 6: ...Contents 1 4 1 5 Frequently Asked Questions 1 8 6 General Exploded Drawing and List 3 Circuit Boards PCB Boards Diagnosis Parts List 9 2 ...

Страница 7: ...General Exploded Drawing and List 3 ...

Страница 8: ...4 General Exploded Drawing and List ...

Страница 9: ...5 General Exploded Drawing and List ...

Страница 10: ...8 10U 25V C69 510P C70 10U 25V T6 T7 T8 T9 L7 L12 L16 L17 L18 L19 L20 L21 BL18AG601SN1D L22 L23 L24 L25 L26 L27 L28 L29 L30 L31 BL18AG601SN1D L32 L33 L34 L35 L36 L37 L38 L39 L40 L41 BL18AG601SN1D L42 L43 L44 L45 L46 L47 L48 L49 L50 L51 BL18AG601SN1D R22 100R R23 1M C71 104 C72 104 C74 104 1 2 3 4 5 6 7 8 AR2 4 7K C73 DNS C75 DNS C76 DNS C77 104 C78 104 C79 47PF C80 47PF R28 1M C81 DNS C82 DNS C83 ...

Страница 11: ... 1K R30 1K S2 S1 R35 DNS R36 0ohm 1 2 J12 VDD_3 3V OCTAVE OCTAVE GND OCT_LED1_R OCT_LED1_G VDD_5V OCT_LED1_B OCT_LED2_R OCT_LED2_G OCT_LED2_B OCT_LED1_B OCT_LED1_G OCT_LED1_R OCT_LED2_B OCT_LED2_G OCT_LED2_R OCTAVE OCTAVE VDD_3 3V GND VDD_3 3V VDD_5V GND VDD_3 3V PITCH MOD BACKLIGHT GND 3 3V PITCHBEND LED MODULATION LED 1 2 J11 R31 100R LED4 RED LED5 RED LED6 RED LED7 RED R32 100R R33 100R R34 100...

Страница 12: ...Volume Board Schematic Circuit Boards 8 VR1 10K 1 2 3 J8 VOL C1 104 C2 104 AGND AVDD_3 3V VOLUME AVDD_3 3V VOLUME ...

Страница 13: ...6 628010231 Masculine connector 2Pins 2 54mm Pitch single line straight prevent fall off 1 00000 PCS J12 1019902890 Octave Board ASSY SMD part MK50 1 00000 SET 506990017 PCB Dual layer FR4 1 6mm MK50 Octave Board V03 FR4 Pad with HASL Pb free Green oil White silkscreen Printed carbon 58 33 1 6mm 1 00000 PCS 6190101360 LED Q3MB MTB1 ZA3A2 PLCC4 Tricolor Black Surface LED AVAGO Bin Numbers U2X1T2 AA...

Страница 14: ...02010075 Resistor SMD 221 ohm 1 16w 1 1 0603 2 02000 PCS R11 R13 602010604 Resisitor SMD 100 ohm 1 10w 1 1 0603 2 02000 PCS R15 R22 608040002 Schotthy Diode SMD SS24 2A 40V 2 01000 PCS D2 D5 608010004 Switch Diode SMD IN4148 SOP TYPE SMD 2 01000 PCS D6 D8 6010109330 IC SMD AMS1117 3 3 SOT 223 linear regulater 3 3V 1A AMS 1 00000 PCS U3 6010109650 IC SMD NUC120RD2BN LQFP 64 NUVOTON 1 00000 PCS U2 6...

Страница 15: ...8231 KG 1012401060 Rotate wheel ASSY MK50 1 00000 SET 6110101520 Rotating Potentiometer H111K 2 B10K 55 L15FC 7 H10 E 8 1 00000 PCS 901990032 Hot Melt Tape 11 2 2 300 yelLow Clarity 0 00010 KG 3029900680 Nut M9 T 2mm Zn alloy 2 00000 PCS 6110101530 Rotating Potentiometer H111K 2 B10K 65 L15FC 7 H10 E 1 00000 PCS 215010045 Rotate wheel bracket DL 1605 No hook ABS Injection molding black 2 00000 PCS...

Страница 16: ...1 6mm K6 Keyboard left keyboard V04 carbon 1 00000 PCS 503030042 PCB Single layer 22F 1 6mm K6 Keyboard right keyboard V05 carbon 1 00000 PCS 503030043 PCB Single layer 22F 1 6mm K6 Keyboard middle keyboard V05 carbon 1 00000 PCS 608050001 Switch Diode DIP IN4148 DIP TYPE 176 00000 PCS LKB D1 D32 MKB D1 D72 RKB D1 D72 398040001 Light copper wire 0 00500 KG 628140006 jump single flat cable 5 5mm 13...

Страница 17: ...her Washer φ7 5 long 80mm T 0 5mm 4 00000 PCS 1020206600 Outer packing materials MK50 1 00000 SET 644001021 Polyfoam left Medium density 358 2 182 100mm 1 00000 PCS 644001022 Polyfoam right Medium density 358 2 182 160mm 1 00000 PCS 644001023 Mid upper polyfoam Medium density 358 2 190 117mm 1 00000 PCS 644001024 Mid lower polyfoam Medium density 358 2 182 90mm 1 00000 PCS 649003633 Carton K3A3K d...

Страница 18: ...x1 C11x2 C13 C 13x1 C13x2 C17 C17x1 C17x2 J10 J10x1 J10x2 J10x3 J10x4 J10x5 J10x6 J10x7 J10x8 J10x9 J10x10 J10x11 J11 J11x1 J11x2 L6 J6 J 6x1 J6x2 J6x3 J6x4 J6x5 J6x6 J6x7 J6x8 J6x9 J6x10 J6x11 J12 J 12x1 J12x2 S3 S3x1 S3x2 S3x3 S3x4 S4 S4x1 S4x2 S4x3 S4x4 C15 C15x1 C15x2 C53 C53x1 C53x2 CN2 C N2x1 CN2x2 CN2x3 CN2x4 CN2x5 CN2x6 CN2x7 CN2x8 CN2x9 CN2x10 CN2x11 CN2x12 CN2x13 CN2x14 CN2x15 CN2x16 CN2...

Страница 19: ... MIDI OUT port to a audio device via a MIDI cable Insert the Sustain Foot Switch and Expresssion pedal Display Description There is no display on MK50 so the tester can only determine the correctness by observing the LEDs and the MIDI code Correct The Octave LED will switch the color in blue and green Incorrect The Octave LED will light red Operation Instructions There are only two buttons on MK50...

Страница 20: ...essed USB and MIDI OUT will send out note on off code Test4 Volume Fader Push to the top will send out 160 1 127 A0 01 7F Push to the bottom will send out 160 1 0 A0 01 00 Test5 Wheel Pitch Bend Push to the top will send out 161 1 127 A1 01 7F Release will send out161 1 64 A1 01 40 Push to the bottom will send out 161 1 0 A1 01 0 Modulation Push to the top will send out 161 2 127 A1 02 7F Push to ...

Страница 21: ...17 Diagnosis Test7 Expression Pedal Press to the top will send out 162 1 127 A2 01 7F Press to the bottom will send out 162 1 0 A2 01 0 ...

Страница 22: ... enter test mode refer Key Combination Instruction chapter Fader problems Run test 4 Fader to see if all button are OK to enter test mode refer Key Combination Instruction chapter Wheel problems Run test 5 Wheel to see if all button are OK to enter test mode refer Key Combination Instruction chapter Pedal problems 1 Check the pedal cable has it been plugged into the proper socket of the cabinet 2 ...

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