Mackie DJ Mixer User Manual

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Details concerning Warranty Service are spelled out in 
the Warranty section on page 31.

If you think your d.2 Pro has a problem, please do ev-
erything you can to confirm it before calling for service. 
Doing so might save you from the deprivation of your 
mixer and the associated suffering.

These may sound obvious to you, but here are some 
things you can check. Read on:

•  Make sure the power cord is securely seated in the 

IEC socket [14] and plugged all the way into the 
AC outlet.

•  Make sure the AC outlet is live (check with a tester 

or lamp).

•  Make sure the rear panel power switch [13] is in 

the on position (up).

•  Are the EQ controls on the front panel illuminated? 

If not, make sure the AC outlet is live.

•  Are all the lights out in your town? If so, contact 

your local power company to get power restored.

•  If no LEDs are illuminated, and you are certain that 

the AC outlet is live, it will be necessary to have your 
d.2 Pro serviced. There are no user serviceable parts 
inside. Refer to “Repair” on the next page to find out 
how to proceed.

•  Check the transform switch [41] is not in the cen-

ter position.

•  Is a fader or crossfader reverse LED [46] on?

•  Check the channel’s program fader [42] is not fully 

down.

•  Are that channel’s EQ controls all turned down?

•  Is the signal source turned up? Make sure the 

signal level from the selected input source is high 
enough to light up some of the program meter LEDs 
[43].

•  Is the correct input chosen with the source select 

switch [26], and its pgm level [25] turned up 
enough?

•  If the FX button [30] is pressed on that channel, 

make sure your effects processor is connected cor-
rectly and is working.

•  Try the same source signal in the other channel, set 

up exactly like the suspect channel.

•  Is the associated level control (if any) turned up?

•  If it’s one of the main outputs, try unplugging the 

others. For example, if it’s the XLR left main out, 
unplug the RCA left out. If the problem goes away, 
it’s not the mixer.

•  If a left output is presumed dead, switch the left 

and right cords at the mixer end. If the problem 
stays on the left side, it’s not the mixer.

•  Is the input connector plugged completely into the 

jack?

•  Is it loud and distorted? Make sure the input level 

control [25] is set correctly. Reduce the signal level 
on the input source if possible.

•  If possible, listen to the signal with headphones 

plugged into the input source device. If it sounds 
bad there, it’s not the d.2 Pro causing the problem.

•  If you are using a turntable with a phono-level 

output, and the sound is low and distorted, check 
that the line/phono switch [4] is set to phono. Note 
that the phono section requires your cartridge to be 
a moving magnet type. It may be too low to amplify 
the low levels of a moving coil type.

•  Turn down the FX return knob [36]. If the noise 

disappears, it’s coming from whatever is plugged 
into the FX returns [7].

•  Check that your turntable’s audio ground wire is 

connected to the gnd terminals [5].

•  Turn down each channel, one by one. If the noise 

disappears, it’s coming from whatever is plugged 
into that channel. Check your whatever.

•  Check the signal cables between the input sources 

and the d.2 Pro. Disconnect them one by one. When 
the noise goes away, you’ll know which input source 
is causing the problem.