SERVICE INFO
Warranty Service
Details concerning Warranty Service are spelled out on page 11 of this manual.
If you think your loudspeaker has a problem, please do everything you can to confirm it before calling for service, including reading through the following Troubleshooting section. Doing so might save you from being deprived of your Mack- ie loudspeaker.
Of all Mackie products returned for service (which is hardly any at all), many are coded “CND” — Could Not Duplicate, which usually means the problem lay somewhere else in the system . These may sound obvious to you, but here are some things you can check:
Troubleshooting
No sound!
•Are the level controls on the mixer or am- plifier turned all the way down? Follow the procedures in the “Quick Start” section on page 4 to verify that all the volume controls in the system are properly adjusted.
•Is the signal source working (and making union scale)? Make sure all the connecting cables are in good repair and securely connected at both ends.
One side is way louder than the other!
•Are the level controls set the same for both channels on the mixer and amplifier?
•Check the PAN control on the signal source. It may be turned too far to one side. If you’re us- ing a stereo signal source, it may be delivering an
•Try swapping sides: Switch the speaker cables coming from the amplifier at the amplifier end. If the other side is louder now, the problem
is with the amplifier, the mixer, or the signal source.
Poor bass performance
•Check the polarity of the connections between the amplifier and the loudspeakers. You may have your positive and negative connections reversed at one end of one cable.
It hurts when I touch my arm, or my leg, or even my head!
•You have a broken finger.
8
Bad sound!
•Is it loud and distorted? Follow the procedures described in the “Quick Start” section to verify that the levels are set properly.
•Are all the connections secure? It’s a good idea to periodically clean all electrical connec- tions with a
•Keep practicing.
Repair
Service for the C300z is available at a factory- authorized service center. Service for Mackie products living outside the United States can be obtained through local dealers or distributors.
If your Mackie loudspeaker needs service, follow these instructions:
1.Review the preceding troubleshooting sugges- tions. Please.
2.Call Tech Support at
5 pm PST, to explain the problem and obtain a Service Request Number. Have your speaker’s serial number ready. You must have a Service
Request Number before you can obtain fac- tory-authorized service.
3.Keep this owner’s manual. We don’t need it to repair the loudspeaker.
4.Pack the loudspeaker in its original package, including protective wrap, endcaps and box. This is very important. Do not use styrofoam peanuts! Mackie is not responsible for any damage that occurs due to
5.Include a legible note stating your name, ship- ping address (no P.O. boxes), daytime phone number, Service Request Number, and a detailed description of the problem, including how we can duplicate it.
6.Write the Service Request Number in BIG PRINT on top of the box. Products sent to us without the Service Request Number will be refused.
7.Tech Support will tell you where to ship the loudspeaker for repair. We suggest insurance for all forms of cartage.
8.We’ll try to fix the loudspeaker within three to five business days. Ask Tech Support for the latest turnaround times when you call for your Service Request Number. The loudspeaker must be packaged in its original packing box, and must have the Service Request Number on the box. Once it is repaired, we'll ship it