20
1202VLZ4
1202VLZ4
Appendix A: Service Information
Ifyouthinkyour1202VLZ4hasaproblem,please
checkoutthefollowingtroubleshootingtipsanddo
yourbesttoconrmtheproblem.VisittheSupport
sectionofourwebsite(www.720trees.com)where
youwillndlotsofusefulinformationsuchasFAQs
andotherdocumentation.Youmayndtheanswer
totheproblemwithouthavingtosendyourmixeraway.
Troubleshooting
Bad Channel
• Isthemute/alt3–4switchinthecorrect
position?
• Isthelevelknobturnedup?
• Tryunplugginganyinsertdevices(channels
1–4only).
• Trythesamesourcesignalinanotherchannel,
setupexactlylikethesuspectchannel.
Bad Output
• Istheassociatedlevelknob(ifany)turnedup?
• Ifit’soneofthemainouts,tryunpluggingall
theothers.Forexample,ifit’sthe1⁄4"leftmain
out,unplugtheRCAandXLRLeftoutputs.If
theproblemgoesaway,itsnotthemixer.
• Ifit’sastereopair,tryswitchingthemaround.
Forexample,ifaleftoutputispresumeddead,
switchtheleftandrightcords,atthemixer
end.Iftheproblemswitchessides,it’snotthe
mixer.
Noise
• Turnthechannellevelandauxreturnknobs
down,onebyone.Ifthesounddisappears,it’s
eitherthatchannelorwhateverisplugged
intoit,sounplugwhateverthatis.Ifthenoise
disappears,it’sfromyourwhatever.
Power
• Unplugthepowercordandcheckthefuse.
Repair
Forwarrantyservice,refertothewarranty
informationonpage27.
Non-warrantyserviceisavailableatafactory-
authorizedservicecenter.Tolocatethenearest
servicecenter,visitwww.720trees.com,click“Contact
TechSupport”andselect“LocateaServiceCenter
orDistributor”[3].Servicefora1202VLZ4living
outsidetheUnitedStatesmaybeobtainedthrough
localdealersordistributors.
Ifyoudonothaveaccesstoourwebsite,youcan
callourTechSupportdepartmentat1-800-898-3211,
Monday-Friday,duringnormalbusinesshours,Pacic
Time,toexplaintheproblem.TechSupportwilltell
youwherethenearestfactory-authorizedservice
centerislocatedinyourarea.
Appendix B: Connections
Balanced XLR Input Connector
The1202VLZ4mixerhasfourfemaleXLR
inputs.BesurethecablesarewiredperAES
(AudioEngineeringSociety)standards:
Balanced XLR Input Connector
Pin1–Shield(Ground)
Pin2–Positive(+orhot)
Pin3–Negative(–orcold)
2
3
1
SHIELD
COLD
HOT
SHIELD
COLD
HOT
3
2
1
Balanced XLR Input Connector