Mackie 802VLZ4 [22/28] Appendix a service information
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Mackie 802VLZ4 [22/28] Appendix a service information

Mackie 802VLZ4 [22/28] Appendix a service information
802VLZ4
22
802VLZ4
Appendix A: Service Information
Repair
Forwarrantyservice,pleaserefertothewarranty
informationonpage27.
Non-warrantyserviceisavailableatafactory-
authorizedservicecenter.Tolocatethenearest
servicecenter,visitwww.720trees.com,click“Contact
TechSupport”andselect“LocateaServiceCenter
orDistributor”[3].Serviceforan802VLZ4living
outsidetheUnitedStatesmaybeobtainedthrough
localdealersordistributors.
Ifyoudonothaveaccesstoourwebsite,youcan
callourTechSupportdepartmentat1-800-898-3211,
Monday-Friday,duringnormalbusinesshours,Pacic
Time,toexplaintheproblem.TechSupportwilltellyou
wherethenearestfactory-authorizedservicecenteris
locatedinyourarea.
Balanced XLR Input Connector
The802VLZ4mixerhasthreefemaleXLR
inputs.BesurethecablesarewiredperAES
(AudioEngineeringSociety)standards:
Balanced XLR Input Connector
Pin1–Shield(Ground)
Pin2–Positive(+orhot)
Pin3–Negative(–orcold)
Balanced XLR Output Connector
ThemaleXLRconnectorsprovideabalancedline-
levelsignalthatrepresentstheendofthemixer,where
thefullymixedstereosignalenterstherealworld.
Connectthesetotheleftandrightline-levelinputs
ofpoweredspeakersortotheleftandrightline-level
inputsofanamplier(withspeakersalreadyattached).
2
3
1
SHIELD
COLD
HOT
SHIELD
COLD
HOT
3
2
1
Balanced XLR Input Connector
Appendix B: Connections
Ifyouthinkyour802VLZ4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.720trees.com)whereyou
willndlotsofusefulinformationsuchasFAQsand
otherdocumentation.Youmayndtheanswertothe
problemwithouthavingtosendyourmixeraway.
Troubleshooting
Bad Channel
• Isthegainsetcorrectly?
• Isthelevelknobturnedup?
• Istheinstrumentswitchsetcorrectly?
(Channels1–2only).
• Trythesamesourcesignalinanotherchannel,
setupexactlylikethesuspectchannel.
• Checkthatthepanknobissetcorrectly.
• ChecktheEQandthelow-cutswitch.
Bad Output
• Istheassociatedlevelknob(ifany)turnedup?
• Ifit’soneofthemainouts,tryunpluggingall
theothers.Forexample,ifit’sthe1⁄4"leftmain
out,unplugtheRCAandXLRleftoutputs.
Iftheproblemgoesaway,itsnotthemixer.
• Ifaleftspeakerispresumeddead,switchthe
leftandrightcords,atthemixer'smainouts.
Iftheleftspeakerisstillnotworking,it’snot
themixer.
Noise
• Turnthechannellevelandauxreturnknobs
down,onebyone.Ifthesounddisappears,
it’seitherthatchannelorwhateverisplugged
intoit,sounplugwhateverthatis.Ifthenoise
disappears,it’sfromyourwhatever.
Power
• Checkthatthesuppliedpowersupplyis
connectedtoaliveACoutlet.ThepowerLED
onthemixershouldcomeonwhenthepower
switchison.

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