Numark
MIXTRACK
[NKC4]
Service Manual
Rev. 1
2010.06.01
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
Copyright Numark Industries
THIS DOCUMENT CONTAINS SENSITIVE
PROPRIETARY INFORMATION.
ALL RECIPIENTS MUST HAVE A CURRENT
NON-DISCLOSURE AGREEMENT ON FILE
WITH NUMARK INDUSTRIES.
COPIES OF THIS DOCUMENT
ATTENTION!
DO NOT MAKE ILLEGAL
.
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
either in the operating instructions or in markings on the product.
2. Power Cord Protection
step on the cords and such that nothing will be placed on or against them.
3. Periods of Non-use
AC power supply cord should be unplugged from the AC outlet.
4. Foreign Objects and Liquids
openings of the product.
5. Water or Moisture
6. Heat
7. Ventilation
8. Mounting
9. Cleaning
10. Service
11. Damage to the Product
. Do not place the product near heat sources such as stoves, heat registers, radiators or
other heat producing equipment.
ventilation. Improperly ventilating the product may cause overheating, which may damage the
product.
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.
. 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.
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
e. The enclosure of the product has been damaged.
. The product should only be connected to a power supply which is described
. AC power supply cords should be placed such that no one is likely to
. If the product is not used for any significant period of time, the product's
. Take care not to allow liquids to spill or objects to fall into any
. The product should not be used near any water or in moisture.
. When installing the product, make sure that the product has adequate
. The product should only be used with a rack which the manufacturer
. The product should only be cleaned as the manufacturer recommends.
. Qualified service personnel should service the unit in certain
normally, or
Confidential Numark Service Manual
SERVICE MANUAL
MODEL: MIXTRACK
FUNCTION
1. Song selections
a. Track select – push knob enters and exits windows and moves among tracks
b. Page button – toggles among windows
c. Folder LED – lights when select is navigating folders
d. File LED – lights when select is navigating tracks
e. to A and B pushes tracks to deck
2. Deck Control
a. Play – plays and stutter starts track
b. Pause – pauses track
c. CUE – jumps back to cue point
d. SYNC – forces track BPM to align with opposing deck
3. Wheel and control
a. Touch sensitive wheel –touch sensitive and send a midi command when depressed to pause track for
b. scratch button – activates the touch feature
4. Pitch controls
a. pitch slider – allows for permanent speed change
b. pitch bend - allows for temporary speed change
c. keylock - allows speed change with no change to pitch
5. Sampling
1,2,3,4,5,6,7,8 – plays sample – all other control is via mouse
scratching when scratch button is on Moving wheel sends position change information to allow
scratching of audio when scratch button is on. When off the wheel can be used for pitch bend.
SPECIFICATION
6. Effects
a. Trigger – turns effect on/off
b. Select – determines effect used
c. Control - adjusts parameter
d. Control - adjusts parameter
7. mixing control
a. volume VR – controls deck volume
b. EQ – adjusts low, mid, high of track
c. Gain – adjusts prefader gain, 360 pot since when autogain is active the relative position changes.
d. crossfader – fades from deck a to b
DISASSEMBLY PROCEDURES
1. REMOVAL OF TOP HOUSING AND BOTTOM HOUSING . (Fig1)
(A) REMOVAL OF 20 PCS KNOB FROM TOP HOUSING.
(B)TAKE OUT THE 14 PCS SCREWS BEFORE TAKING OUT THE BOTTOM HOUSING.
2. REMOVAL THE SW PCB ASS'Y. (Fig. 2)
(A)DISCONNECT OF 4 PCS SCREWS AND 1 PC CONNECTOR , AND REMOVE THE SW PCB ASS'Y
.
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