TDM-Audio 15GE-2 Owner's Manual
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© 2003 TDM Audio, Inc. Graphic Equalizer Owner’s Manual Page 13Troubleshooting and Supporthis section details various problems that you might encounter when using your equalizer,and the possible causes and solutions. It also tells how to contact TDM when you needservice or support for your 15GE-2 graphic equalizer.No Signal OutputMake sure that the unit is plugged in and that the power light on the front panel is illuminated. Ifthe unit is plugged in but the power light does not come on, try plugging some other piece ofequipment into the same outlet to make sure it works. If it does work, but you still don’t get thepower light with the unit plugged in, check the fuse on the rear of the unit. WARNING: Makesure the unit is unplugged from the power outlet before removing the fuse!Try bypassing the unit by pressing the bypass (in/out) switch. If there is no signal outputnormally, but you are getting a signal with the unit bypassed, the unit is probablymalfunctioning. Contact your vendor, or call TDM for support and/or service (see ContactingTDM).Check the signal source to make sure it is working correctly. Try plugging it into some soundreinforcement equipment that is known to work (such as a monitor system). If you do this andthere is still no signal, the problem is that the signal source is not providing one.If the signal source is not providing a signal to the equalizer, check the cabling between thesource and the equalizer. Try substituting another cable that is known to be good. If this fails, it’slikely that your signal source is malfunctioning, or that there is some problem with the way theindividual components of the source are connected.If the signal source is providing a signal to the equalizer, but you are still getting no outputsignal, check to make sure that the problem is not with the power amps, speakers, or cables. Themost common cause this kind of problem is either a bad cable, or an incorrect hookup. The bestway to trace down a bad cable is to replace each cable in turn with one that is know to be goodand then check if that fixed the problem. If you cannot find the problem, contact your vendor, orcall TDM for support and/or service (see Contacting TDM).DistortionTo determine the cause of the distortion, try systematically removing each piece of signalprocessing equipment from the chain, one at a time. After a piece of equipment is removed fromthe chain (by plugging the piece of equipment before it directly into the piece of equipment afterit), listen to the system and determine if the distortion is still present. When you remove a pieceof equipment and the distortion goes away, then it is likely that this particular piece of equipmentis the cause of the distortion. It is easy to check if the distortion is from your TDM 15GE-2equalizer: Simply bypass the unit by pressing the bypass switch. If the distortion goes away withthe unit bypassed then the distortion is probably coming from the equalizer.If you determine that the TDM 15GE-2 equalizer is the source of a distortion problem, make surethat the unit is plugged into a proper power source. Read the back panel of the unit for theT |
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