Numark NS4 FX Manuel utilisateur

Confidential Numark Service Manual

Numark

NS4 FX

[NKCK]

Service Manual

v1.0

2022-06-01

The information in this document contains privileged and confidential information. It is intended only for the use of

those authorized by Numark. 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 Numark and destroy all copies of this document. You may contact Numark at support@numark.com.

ATTENTION!

This document contains sensitive proprietary information.

All recipients must have a current non-disclosure agreement on file

with Numark.

Do not make illegal copies of this document.

Confidential Numark Service Manual

Preface

This document is intended to assist the service technician in the operation, maintenance and repair of the Numark

device. Together with the User Reference Manual, this document provides a complete description of the

functionality and serviceability of the Device. Any comments or suggestions you may have pertaining to the

document are welcome and encouraged.

Read This!

In addition to any purchase price that Numark may charge as consideration for Numark selling or otherwise

transferring this service manual (“Manual”) to you, if you are not a service and repair facility (“Service Center”)

authorized by Numark in writing to be an authorized Service Center, Numark sells or transfers the Manual to you on

the following terms and conditions:

Only Service Centers authorized by Numark in writing are authorized to perform service and repairs covered by an

Numark warranty (if any), and transfer of the Manual to you does not authorize you to be an authorized Service

Center. Therefore, if you perform, or if the Manual is used to perform, any service or repairs on any Numark

product or part thereof, any and all warranties of Numark as to that product and any service contract with

Numark for that product shall be voided and shall no longer apply for such product, even if your services or

repairs were done in accordance with the Manual.

All service or repairs done by you or with reference to the Manual shall be solely your responsibility, and Numark

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 Numark and its successors

and assigns harmless in the event of any failure to so perform.

Your purchase of the Manual shall be for your own ultimate use and shall not be for purposes of resale or other

transfer.

As the owner of the copyright to the Manual, Numark does not give you the right to copy the Manual, and you agree

not to copy the Manual without the written authorization of Numark. Numark has no obligation to provide to you

any correction of, or supplement to, the Manual, or any new or superseding version thereof.

Numark shall have the right to refuse to sell or otherwise transfer repair parts or materials to you in its sole

discretion. You shall not use, sell or otherwise transfer spare or replacement parts supplied by Numark to you (i) to

repair or be used in products manufactured for or by third parties or (ii) to any third parties for any purpose.

You shall not make any warranties or guarantees with respect to the products of Numark or the use thereof on

behalf of Numark or in your own name.

The foregoing describes the entire understanding related to sale or transfer of the Manual to you, and no other

terms shall apply unless in a writing signed by an authorized representative of Numark.

All Trademarks are property of their respective companies.

Confidential Numark Service Manual

Warnings

TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE THIS PRODUCT TO WATER OR

MOISTURE.

The arrowhead symbol on a lightning flash inside a triangle is intended to alert the user to

the presence of uninsulated “dangerous voltage” within the enclosed product which may

be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point inside a triangle is intended to alert the user to the presence of

important operating, maintenance and servicing instructions in the literature which

accompanies the product.

REPAIR BY ANY PERSON OR ENTITY OTHER THAN AN AUTHORIZED NUMARK SERVICE CENTER

WILL VOID THE NUMARK WARRANTY.

PROVISION OF THIS MANUAL DOES NOT AUTHORIZE THE RECIPIENT TO COMPETE WITH ANY

NUMARK 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 NUMARK SERVICE CENTER

SHALL BE SOLELY THE RESPONSIBILITY OF THAT ENTITY, AND NUMARK SHALL HAVE NO LIABILITY

TO THAT ENTITY OR TO ANY OTHER PARTY FOR ANY REPAIRS BY THAT ENTITY.

Regarding the Power Supply Fuse

Caution: The product under service may employ the use of a replaceable fuse. Danger of

fire or electrocution if fuse is incorrectly replaced. Replace with only the same type or

equivalent type recommended by the equipment manufacturer.

Regarding the Internal Battery

Caution: The product under service may employ the use of a internal battery. Danger of

explosion if battery is incorrectly replaced. Replace only with the same or equivalent type

recommended by the manufacturer. Dispose of used batteries according to the

manufacturer’s instruction.

Confidential Numark 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.

SPECIFICATION

FUNCTION

1. UI Browser – A standard detented encoder with push switch is used to navigate through the software. Push encoder to move in the software.

2.LOAD BUTTONS –Push twice to perform instant doubles to the deck in focus. Song will load to the deck(s) currently in focus.

3.Gain – This pot controls the gain for its associated channel on the mixer.

4.Channel Fader – This is the volume controller for the channel.

5.Cue Mix–Selects Master or PFL outputs in the headphones.

6.Cue Gain–adjusts volume of headphone pot.

7.Software FX Wet/Dry – This knob Adjusts the Wet/Dry of all FX.

8.Mic/Aux volume – Controls mic volume.

9.Mic/Aux Tone – Controls the high and low EQ mix for mic

10.Master volume – Controls program signal + Mic mixed with mic going to XLR on rear

11.Booth/Zone Output – Controls program signal+ Mic mixed with mic going to RCA on rear

12.Crossfader Assign – select crossfader left-off-right assign

13.DJ Mic volume – Controls mic volume.

14.DJ Mic Tone – Controls the high and low EQ mix for mic

AUDIO OUTPUT

LINE OUT

OUTPUT LEVEL--------------------MASTER:1.3 ± 0.5V

BOOTH:1.3 ± 0.5V

BALANCED:4V ±0.5V

THD+N%------------------------------LESS THAN 0.5%

S/N--------------------------------------MORE THAN 85 dB

SEPARATION------------------------MORE THAN 70 dB

FERQUENCY RESPONSE---------20~20KHz ± 2 dB

MIC IN

OUTPUT LEVEL--------------------MASTER:185mV ±50mV

BOOTH: 185mV ±50mV

BALANCED:1.1V ±0.5V

THD+N%------------------------------LESS THAN 0.5%

SEPARATION------------------------MORE THAN 60dB

FERQUENCY RESPONSE---------20~20KHz ± 2 dB

HP OUT

OUTPUT LEVEL--------------------BALANCED:7V ±1V

THD+N%------------------------------LESS THAN 0.5%

S/N--------------------------------------MORE THAN 85 dB

SEPARATION------------------------MORE THAN 70 dB

FERQUENCY RESPONSE---------20~20KHz ± 2 dB

SERVICE MANUAL

MODEL: NS4FX

DISASSEMBLY PROCEDURES

1. DISASSEMBLE THE BOTTOM PANEL.

(A) REMOVE 22 PCS SCREW FROM THE BOTTOM PANEL.

(Fig1)

2. DISASSEMBLE THE WHEEL BASE ASS'Y AND KNOB AND VR KNOB.

(A)REMOVE 29 PCS KNOB AND 7 PCS VR KNOB FROM THE TOP PANEL.

(B)REMOVE 2 PC DISPLAY PLATE FROM THE WHEEL PLATE.

(C)REMOVE 12 PCS SCREW FROM THE WHEEL FIXED HOLDER.

(D)REMOVE 4 PCS SCREW AND 2 PCS WASHER FROM THE TOP PANEL.

(E)REMOVE 8 PCS SCREW FROM THE WHEEL BASE ASS'Y.

(Fig2)

3. DISASSEMBLE THE PCB ASS'Y OF THE TOP PANEL.

(A)REMOVE 4 PCS SCREW FROM THE TOGGLE SWITCH PCB ASS’Y.

(B)REMOVE 2 PCS SCREW FROM THE TOP PANEL.

(C)REMOVE 3 PCS SCREW FROM THE LEFT FUNCTION PCB ASS’Y.

(D)REMOVE 3 PCS SCREW FROM THE LEFT SENSOR PCB ASS’Y.

(E)REMOVE 3 PCS SCREW FROM THE RIGHT SENSOR PCB ASS’Y.

(F)REMOVE 2 PCS SCREW FROM THE GROUND PLATE.

(G)REMOVE 18 PCS SCREW FROM THE MAIN PCB ASS’Y.

(H)REMOVE 10 PCS SCREW FROM THE FUNCTION PCB ASS’Y.

(Fig3)

4. DISASSEMBLE THE PCB ASS'Y OF THE BOTTOM PANEL.

(A)REMOVE 4 PCS AND 1 PC HOLDER SCREW AND 1 PC CABLE CLAMP FROM THE BOTTOM PANEL.

(B)REMOVE 3 PCS SCREW FROM THE USB PCB ASS’Y.

(C)REMOVE 2 PCS SCREW FROM THE INPUT PCB ASS’Y.

(D)REMOVE 3 PCS SCREW FROM THE HP PCB ASS’Y.

(E)REMOVE 2 PCS SCREW FROM THE MIC PCB ASS’Y.

(F)REMOVE 2 PCS SCREW FROM THE LEFT ASSIBN PCB.

(G)REMOVE 2 PCS SCREW FROM THE RIGHT ASSIBN PCB.

(Fig3)

WIRING DIAGRAM

(US.EU.UK.AUS.KR.JP)

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