Mackie d.4 Pro - Appendix A: Service Information

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d.4 Pro DJ Production Console
d.4 Pro 4-channel DJ Production Console
If you think your Mackie product has a problem,
please check out the following troubleshooting tips and
doyourbesttoconrmtheproblem.VisittheSupport
section of our website (www.mackie.com/support)
where you will find lots of useful information such as
FAQs, documentation, and user forums. You may find
the answer to the problem without having to send your
Mackie product away.
Herearesomethingsyoucancheck:
Troubleshooting
No Power
• Ourfavoritequestion:Isitpluggedin?
• Makesurethepowercordissecurelyseatedinthe
IEC socket [17] 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[16]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.4 Pro serviced. There are no user serviceable
partsinside.Referto“Repair”onthenextpageto
find out how to proceed.
Appendix A: Service Information
Bad Channel
• Checktheassignswitch[37]isnotintheoffposi-
tion.
• Checkthechannel’sprogramfader[38]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[39]
LEDs.
• Isthecorrectinputchosenwiththesource[30]
switch,andisitsprogramlevel[29]turnedupfar
enough?
• Trythesamesourcesignalinanotherchannel,set
up exactly like the suspect channel.
• Makesuretheauxknob[35]isturnedtofullydry
if you are not using an external processor.
Bad Output
• 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leftXLRmainout
[12], unplug the left RCA main out [14]. 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.