Numark 4TRAK Service Manual

DISASSEMBLY PROCEDURES
3.REMOVAL HEADPHONE PCB AND DOUSER ASSEMBLY AND XLR JACK ASSEMBLY. (Fig3)
(A) TAKE OUT THE 3 PCS KNOB.
(B) TAKE OUT THE 9 PCS SCREWS，TAKE OUT THE 1 PC NUT HOLDER AND TAKE OUT THE 2 PCS
CONNECTORS.
(C) TAKE OUT THE 4 PCS SCREWS AND TAKE OUT THE 2 PCS PCB FROM THE CABINET.
(D) TAKE OUT THE 6 PCS SCREWS，TAKE OUT THE 2 PCS CONNECTORS AND TAKE OUT THE 2 PCS
DOUSER ASSEMBLY.
(E) TAKE OUT THE 4 PCS SCREWS FROM THE XLR JACK ASSEMBLY.
(F) TAKE OUT THE 5 PCS SCREWS，TAKE OUT THE 2 PCS NUT HOLDER AND TAKE OUT THE 5 PCS
CONNECTORS.FROM THE AN PCB.
Fig.3

Numark 4TRAK Specifications

General

Channels	4
Type	DJ Controller
Number of Decks	4
MIDI	Yes
Inputs	4 x RCA line/phono, 2 x XLR/TRS combo mic
Outputs	2 RCA, 2 XLR, 2 1/4"
USB	1 x Type B
Mixer	Yes
Audio Interface	24-bit
MIDI I/O	USB
Effects	Yes
Software Compatibility	Traktor Pro 2
Jog Wheels	Yes