Mackie 1642-VLZ3 Manual De Usuario

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Appendix A: Service Information
Warranty Service
If you think your Mackie product has a problem, 
please check out the following troubleshooting tips and 
do your best to confirm the problem. Visit the Support 
section of our website (www.mackie.com/support) 
where you will find lots of useful information such as 
FAQs and documentation. You may find the answer to 
the problem without having to send your Mackie prod-
uct away.
Troubleshooting
Bad Channel
•  Are the channels assigned to the correct mix 
(1-2, 3-4, L-R )?
•  Is the fader up?
•  Try unplugging any insert devices from the 
INSERT [4) jacks.
•  Try the same source signal in another channel, 
set up exactly like the suspect channel.
Bad Output
•  Is the level control (if any) turned up?
•  If you’re listening to the C-R OUTS [9] or 
PHONES [10] outputs, has a SOURCE selection 
been made?
•  If it’s one of the MAIN OUTS [14], try unplug-
ging its companion. For example, if it’s the 1/4" 
output, unplug the RCA output. If the problem 
goes away, it’s not the mixer.
•  If it’s a stereo pair, try switching them around. 
For example, if a left output is presumed dead, 
switch the left and right cords, at the mixer 
end. If the left is still dead, it’s not the mixer.
•  Unplug everthing from the MAIN INSERT [13].
Noise
•  Turn the channel faders and STEREO RETURN 
knobs down, one by one. If the sound disap-
pears, 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
•  Unplug the power cord and check the fuse.
Repair
For warranty service, refer to the warranty informa-
tion on page 31.
Non-warranty service for Mackie products is avail-
able at a factory-authorized service center. To locate 
your nearest service center, visit www.mackie.com, click 
“Support” and select “Locate a Service Center.” Service 
for Mackie products living outside the United States can 
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, Mon-
day-Friday, normal business hours, PST, to explain the 
problem. Tech Support will tell you where the nearest 
factory-authorized service center is located in your area.