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Keystation 49es MK3
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Do not make illegal copies of this document.
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
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© Copyright M-Audio
Confidential
M-Audio
[MK51B]
Service Manual
v1.0
2019-05-21
ATTENTION!
M-Audio Service Manual
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Summary of Contents for M-Audio Keystation 49es MK3
- Page 1 Do not make illegal copies of this document. 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.
- Page 2 As the owner of the copyright to the Manual, M-Audio does not give you the right to copy the Manual, and you agree not to copy the Manual without the written authorization of M- Audio.
- Page 3 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.
- Page 4 The product is exposed to water or excessive moisture, c. The AC power supply plug or cord is damaged, d. The product shows an inappropriate change in performance or does not operate normally, or e. The enclosure of the product has been damaged. Confidential M-Audio Service Manual...
- Page 5 MIDI KEYBOARD KEYSTATION49es SERVICE MANUAL...
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Page 6: Table Of Contents
Contents General Exploded Drawing and List....................3 Circuit Boards..........................4 Parts List............................7 PCB Boards..........................1 1 Diagnosis............................1 4 Frequently Asked Questions......................1 7 Spare Parts List..........................1 8... -
Page 7: General Exploded Drawing And List
General Exploded Drawing and List... -
Page 8: Circuit Boards
Circuit Boards Main Board Schematic... - Page 9 Circuit Boards Function Board Schematic...
- Page 10 Circuit Boards Function Board Schematic-1 K eybed Board Schematic BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 Connect to 61 Keyboard_LEFT BAW56 BAW56 BAW56 Connect to 61 Keyboard_RIGHT BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56 BAW56...
- Page 11 Level Specification Description QTY. Remark Unpacking part of the electronic 1020110420 KEYSTATION49ESMK3 1.00000 SET keyboard 1020406300 Top cabinet assembly KEYSTATION49ESMK3 1.00000 SET 201030803 Top cabinet ABS injection black spray black silkscreen White 1.00000 PCS ++++ 201010224 KS49 Top Cabinet DL-2356 HIPS injection black N/A 1.00000 PCS +++++...
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Page 12: Parts List
Parts List ++++ 629990267 Silica gel circle Dia.7.5*6.2*1.2mm Black no printing 2.00000 PCS spring wire diameter 0.8MM inner diameter ++++ 309070123 Wheel spring MK51/52 10.2MM 45 degree Angle Electroless nickel 1.00000 PCS plating 6pin L=160mm UL1007 26＃ One side with ++++ 628072134 Color flat Cable with cathode Plug... - Page 13 Parts List 12P L=260mm 26＃ one side with 12pin/2.0 ++++ 628072128 Gray flat cable with cathode plug Latching female plug the other end of the strip 1.00000 PCS CN14 line is 3.5mm 16PIN*2.0 L=280mm both sides of the strip line ++++ 628060221 Gray flat cable...
- Page 14 Parts List SIZE:229*92.6*80MM，medium density EPE， 634000477 EPE-R KS49/61 1.00000 PCS white PE SIZE:950*280*0.06MM add air hole 643010205 Polybag KS49 1.00000 PCS transparent print warnings 250g duplex papercard+A3 reinforce Core(120g) 647000857 GIFTBOX 1.00000 PCS Four-color+1 printing pantone 2728C with UV keyboard Protect Rubber paper 901020022 200M*50*0.01mm no viscosity 0.00340 ROLL...
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Page 15: Pcb Boards
PCB Boards Main Board-1 Main Board-2... - Page 16 PCB Boards K e y b e d Board...
- Page 17 PCB Boards Function Board Schematic...
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Page 18: Diagnosis
Diagnosis Key Combination Instruction Press and hold the following key combination then power on can achieve some special functions. Press the lowest “C” + “C#” + “D” +”Eb” to enter Firmware Update Mode. Press the lowest “C” + “C#” + “D” + “E” to enter System Self-testing. System self-test function could assist QA do a comprehensive check with these functions: LEDs, MIDI OUT ports, function buttons, keyboard, pedals, USB and so on. - Page 19 Diagnosis System Self-testing Operating Instructions System self-testing consists of 3 parts: tests 1 ~ test 3. Use the following control buttons to switch between the tests. Hold down the [ADVANCE] button, then press [OCT+] to switch to the next test item. ...
- Page 20 Diagnosis Test 2: Keys Press the keys with medium playing strength, strictly in the sequence as marked with a red arrowhead in the picture below. If the currently checked key is OK, the LEDS will light green, and it will send note on/off message.
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Page 21: Frequently Asked Questions
Frequently Asked Questions Problem Possible Cause and Solution Even with no power supply problems, the Check the hardware. instrument still could not start up. LEDS -- Not lighting Check the power supply. 2. Check the AC jack, have it been connected reliably. A poor contact would cause unsuccessful power supply Button problems Run “test 3 Function Buttons”... -
Page 22: Spare Parts List
Spare Parts List PCB Parts Parts Number Parts Name Parts Specification Quantity Picture/Number in Exploded Diagram 101030584001 Function Board ASSY MK51 1.00000 101080194 Keyboard ASSY MK51 1.00000 101011553001 Main Board ASSY MK51 1.00000 Cosmectic Parts Parts Number Parts Name Parts Specification Quantity Picture/Number in Exploded Diagram ABS injection black spray... - Page 23 Spare Parts List 1012401130 Rotate wheel ASSY KS49/61 1.00000 HIPS injection black print 202040021 Bottom housing MK51 white rework the texture 1.00000 on the bottom housing 204010021 Black key ABS injection black N/A 4.00000 205010115 Single white key ABS White N/A 1.00000 205010113 White key(3key group)
- Page 24 Spare Parts List Painting carbon gray 629010053 Conductive Rubber long life siticagel 4.00000 Hardness of 38 degrees Stainless steel surface 320060001 KEY METAL PLATE O2 nigrescence disposal 1.00000 Thickness0.8mm Diameter 8.6MM 630010110 Rubber pad thickness2MM 5.00000 hardness70 degree L=2000mm±50 PVC Black magnet ring one 628080012 USB cable...