M-Audio Hammer 88 Pro Скачать руководство пользователя страница 4

Confidential 

M-Audio Service Manual 

 

Safety Instructions

 

 

Carefully read the applicable items of the operating instructions and these safety 
suggestions before using this product. Use extra care to follow the warnings written on 
the product itself and in the operating instructions. Keep the operating instructions and 
safety suggestions for reference in the future.  

 

1. 

Power Source.

 The product should only be connected to a power supply which is 

described either in the operating instructions or in markings on the product. 

 

2. 

Power Cord Protection.

 AC power supply cords should be placed such that no one is 

likely to step on the cords and such that nothing will be placed on or against them. 

 

3. 

Periods of Non-use.

 If the product is not used for any significant period of time, the 

product’s AC power supply cord should be unplugged from the AC outlet. 

 

4. 

Foreign Objects and Liquids.

 Take care not to allow liquids to spill or objects to fall 

into any openings of the product. 

 

5. 

Water or Moisture.

 The product should not be used near any water or in moisture. 

 

6. 

Heat.

 Do not place the product near heat sources such as stoves, 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. 
Quick movements, excessive force or uneven surfaces may overturn the 
combination which may damage the product and rack combination. 

 

9.

 Cleaning.

 The product should only be cleaned as the manufacturer recommends. 

 

10. 

Service.

 The user should only attempt the limited service or upkeep specifically 

described in the operating instructions for the user. For any other service required, 
the product should be taken to an authorized service center as described in the 
operating instructions. 

 

11. 

Damage to the Product

. Qualified service personnel should service the unit in 

certain situations including without limitation when: 

a.  Liquid has spilled or objects have fallen into the product, 

b.  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. 

 
 

Содержание Hammer 88 Pro

Страница 1: ... 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 disclos...

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 SERVICE MANUAL KEYBOARD HAMMER88 PRO ...

Страница 6: ...Contents 2 35 20 Calib ration 28 5 General Exploded Drawing and List 4 Layout Connection 3 Circuit Boards PCB Boards 1 7 Diagnosis Spare Parts List Parts List 9 ...

Страница 7: ... Board CN6 3 MB Board 50P Cable to FB Board J7 4 FB Board CN1 to LED Board J11 5 Wheel 6P Cable to FB Board J2 6 FB Board J3 PIN Cable to Knob Board J1 7 FB Board 30P Cable to PAD Board J1 Keyboard Left 20pin Cable to Main Board CN9 Keyboard Right 20pin Cable to Main Board CN10 3 ...

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Страница 32: ...damaged replace it d Check if the related components of the USB jack are properly soldered e Check both ends of FB2 the grounding should have 5V voltage If not then check if FB2 is properly soldered If the FB2 is damaged replace it f Check if the toggle switch is damaged g Check if the voltage on both ends of D8 and D9 is normal if only one end has it then D8 and D9 have virtual welding or damage ...

Страница 33: ...ith the ground If short cut the line and check the location of short circuit d Determine whether U1 can output 3 3V check whether PIN5 has 3 3V if not then replace the chip e Check whether there is 3 3V at both ends of L4 to determine whether there is virtual welding or damage f Determine whether U31 can output 3 3V check whether PIN2 has 3 3V if not then replace the chip g Check whether there is ...

Страница 34: ...eck the cable connection between the keyboard circuit the function board and the mainboard 2 Check whether each key button is installed correctly 3 No response when pressing the keyboard a Check the ribbon cable on the keyboard circuit the ribbon cable socket between the keyboard circuit and the mainboard are properly soldered or if it s damaged b Check the mainboard s 88 key socket to A1 keyboard...

Страница 35: ...rmally and whether the device is damaged by false welding 4 Check the LED for scanning signal 4 OLED Display Error 1 Check whether the connection line and socket between the OLED panel and the motherboard are normal 2 Check whether the power supply and grounding of the OLED panel is normal 3 Check whether the OLED backlight booster circuit works normally and whether the output voltage of 12V is no...

Страница 36: ...ase refer to the A1 chip part in this section Cannot turn on the power Check if the SPI FLASH is properly soldered or if the chip is damaged 6 MIDI issues 1 Check whether MIDI block and MIDI line are normal 2 Check if the MIDI Out circuit is properly soldered If the triode is damaged replace it 32 ...

Страница 37: ...er issues a Check whether the connection line and socket are connected properly b Check whether the power supply and ground are normal on the small plate where the push rod is located c Check whether the push rod circuit is welded normally and whether the device is damaged by virtual welding d Check whether the U5 4051 circuit is welded normally and PIN3 cannot output signals then replace the 4051...

Страница 38: ...Appendix Circuit board panorama Figure 1 Motherboard front Figure 2 Back of the main board 34 ...

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