Troubleshooting - Yamaha EMX5 Owner's Manual

Troubleshooting

Check the following items before contacting your Yamaha dealer.
If the problem remains, contact your nearest Yamaha dealer.
 Turn off the [
 The power does not come on.
 Check that the vents on the sides of the mixer are not blocked.
 The power suddenly turns off.  If the internal temperature of the mixer is excessively high, the overload protection function may have been triggered, causing the power to turn
 When flashing, this indicates that the speaker cables connected to the [SPEAKERS] jack for the corresponding channel may be short circuited.
 The AMPLIFIER [PROTEC-
TION] indicators are flashing
 When constantly on, this indicates that the output has been muted due to amplifier overheating. Please wait until the amplifier has cooled down
or constantly on.
 Are external devices (including microphones) and speakers connected correctly?
 Are all the input channel [LEVEL] controls and the AUX1, AUX2, and STEREO MASTER [LEVEL] controls set to appropriate levels?
 No sound is heard.
 For channel 11/12, are both RCA and stereo mini jacks connected at the same time? If both are connected, the stereo mini jack will take priority.
 Check that the speaker cables are not shorted.
 Are all the input channel [LEVEL] controls and the AUX1, AUX2, and STEREO MASTER [LEVEL] controls set to appropriate levels?
 The sound is low, distorted,  Check that the [
 Is the input signal from the device connected to the mixer set to an appropriate level?
or noisy.
 If an instrument with passive pickups is connected to channel 4, turn on the [Hi-Z] switch.
 Check that the [AUX2/FX] send controls on each channel are correctly adjusted.
 The selected effect is not
 Is the FX RTN [FX ON] switch turned on?
applied.
 Check that the FX RTN [LEVEL] control is correctly adjusted.
 The sound from the speakers  Are the equalizer controls [HIGH]/[MID]/[LOW] adjusted appropriately?
 Turning the [MASTER EQ] control to the right of the center position "MUSIC" , which is the basic setting, will boost low and high range audio fre-
seems dull, lacking in dynam-
ics and power.
 Are the equalizer controls [HIGH]/[MID]/[LOW] adjusted appropriately?
 Is the [HPF] switch turned on?
 Speaking voices are not clear.
 Turning the [MASTER EQ] control to the left of the center position "MUSIC" , which is the basic setting, will suppress low and high range audio fre-
 Connect a powered speaker (a speaker with an internal amplifier) to the [AUX1 SEND], [AUX2 SEND] jacks. For the [AUX1 SEND] jack and
 How can the monitor output
be heard?
 Set the AMPLIFIER [MODE] switch to "L+R/AUX1" to enable the monitor signal (AUX1) to be output from the rear panel [SPEAKERS B] jack.
] (Power) switch and recheck the connection. Be sure that you are using the included power cord, and that it is correctly con-
nected to the [AC IN] jack and plugged into a working power outlet. If the power still does not come on when pressing the [
after waiting a few minutes, the mixer may be malfunctioning. If this is the case, contact your nearest Yamaha dealer.
off. Turn off the [ ] (Power) switch and restart the mixer after leaving it for a few minutes.
Turn off the [ ] (Power) switch and inspect the speaker cable for the corresponding channel.
to an acceptable level. If it does not reset, turn off the [
MIC/ LINE] switches on channels 1 to 4 are set correctly.
quencies.
quencies.
[AUX2 SEND] jack output signals, adjust each channel's [AUX1] send control, [AUX2/FX] send control, as well as the AUX1 and AUX2 MASTER
[LEVEL] controls.
The STEREO L/R mixed signal is output from the [SPEAKERS A] jack.
] (Power) switch and restart the mixer after leaving it for a few minutes.
] (Power) switch
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EMX5 Owner's Manual