Yamaha MGP24X, Руководство пользователя

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MGP32X/MGP24X Owner’s Manual 40
Troubleshooting

Power doesn’t come on.

Is an independent power-supply unit such as a power generator, or a power strip with switch
plugged into the mixer?
Make sure that the power is turned on.

No sound.

Are microphones, external devices, and speakers connected correctly?

Is a Y-shaped cable used to connect the INSERT connector or an external device?

Are your cables connected properly, or are they shorted or faulty?

Are the channel GAIN knobs, channel faders, STEREO master fader and GROUP faders set
to appropriate levels?

Are the bus assign switch and switches in the USB IN section and in the iPod IN section set
properly?

No sound from the STE-
REO OUT jacks

Are the ON switch and ST switch of the channels you are using turned ON?

Is the ON switch of the STEREO master turned on?

No sound from the AUX1
to AUX6 jacks

Are the respective SEND MASTER knob, AUX1 to AUX6 knobs, FX1 and FX2 knobs of each
channel set to appropriate levels?

No sound from the MONI-
TOR OUT and/or PHONES
jacks

Are the PFL switches for the channels that you are not using turned on? Make sure to turn off
the PFL switch.

Is the AFL switch of the bus channel you want to monitor turned on?

No sound from the CH29/
30, CH31/32 {CH21/22,
CH23/24} jacks

Is the input select switch set to USB IN/iPod IN ( )? Make sure to set the switch to ANA-
LOG ( ).

Sound is faint, distorted,
or noisy.

Are the channel GAIN knobs, channel faders, STEREO master fader and GROUP faders set
to appropriate levels?

Is the 26dB switch turned on?
Make sure to turn off the switch when a low-level source, such as a microphone, is input.

Is the output signal from the connected device set to an appropriate level?

Are you applying the effects and compressor at appropriate levels?
You may have to lower the FX1, FX2 knobs, FX RTN fader, and COMP knob levels.

Are two different instruments connected to the XLR-type and phone jacks, or to the phone and
RCA pin jacks on one channel?
Make sure to connect to only one of these jacks on each channel.

Are microphones connected to the INPUT A input jacks?

If you are using condenser microphones, is the +48V switch turned ON?

If you are connecting a device which has a specified output level of +4dBu, turn on the 26dB
(PAD) switch of the mono channels or use stereo channels.

(Stereo channel) Is the DUCKER switch turned on?
When a signal is constantly input to CH24 {CH16} or the GROUP 1 bus, the sound becomes
faint.

No effect is applied.

Check that the FX1 and FX2 knobs on each channel are adjusted correctly.

Check whether the ON button of the FX1 RTN and/or FX2 RTN channel is turned on.

Be sure that Knob 2, and the FX1 RTN and/or FX2 RTN faders are correctly adjusted.

Check that the switch for the desired bus in the FX1 RTN and/or FX2 RTN bus assign
switches is turned on.

When an effects processing unit is connected to the SEND(AUX1 to AUX6) jacks, are the
AUX1 to AUX6 knobs on the SEND MASTER set to appropriate levels?

I want spoken words to be
heard more clearly.

Make sure that the switch is turned ON.

Are the equalizers (HIGH, MID, and LOW knobs) on each channel adjusted appropriately?

I want to output a monitor
signal for the mixer
through speakers.

Connect a powered speaker to the MONITOR OUT jack.
Make sure to adjust the level of output signal from the MONITOR OUT jack with the MONI-
TOR knob.

Cannot record to a USB
device

Is the USB device write-protected?

Does the USB device have sufficient capacity to save the data?

Is the USB device formatted in FAT32 format?

The transmission speed of the USB device might be too slow to record data. If the recording
format is WAV or MP3:320k, a high transmission speed is required. Change the recording to a
format with a high compression rate: MP3:128k, MP3:192k, or MP3:256k.

If the memory is fragmented significantly, try running a defragmentation program on the com-
puter.