background image

Troubleshooting

MG20XU/MG20/MG16XU/MG16X/MG16/MG12XU/MG12X/MG12 Owner’s Manual

30

STEP 2 Setting Switches and Controls

Check the overall balance

Use the settings shown in the illustration to check the overall balance from speakers or headphones.

To monitor the signal of each channel

You can use the level meter and headphones to check the pre-fader signal for each channel.

[PFL] switches:

 Turn on (

) for the channel(s) you want to check.

[MONITOR LEVEL] knob:

 Adjust the level.

[GAIN] knobs

Turn until the [PEAK] indi-
cator begins to flash inter-
mittently.

[P48V] switch

Turn this switch on (the indicator lit) when using a condenser microphone.

• To prevent an unwanted burst of noise from the speakers, turn off powered speak-

ers (or power amps) before turning on the [P48V] switch.

[ON] switches

On (lit)

[ST] switches

On (

)

[PEAK]

indicators

[PFL] switches

All off (

)

• When [PFL] switches are on, only the sig-

nals from those channels are sent to the 
level meter and headphones. Therefore, you 
will be unable to check the overall sound.

• If the [PFL] indicator below the level meter is 

flashing, one or more [PFL] switches are on.

Channel faders

For adjusting the level 
for each channel.

[STEREO] master fader

For adjusting the overall volume, 
with “0” as the nominal level.

[SOURCE]/[SOURCE SELECT] 
(Monitor signal selection switch)

Use to monitor the sound via the level 
meter and/or headphones.

• MG12XU/MG12X/MG12

STEREO L/R buses: [STEREO] (

)

GROUP 1-2 buses: [GROUP] (

)

• MG20XU/MG20/

MG16XU/MG16X/MG16

STEREO L/R buses: [STEREO] (

)

GROUP 1-2 buses: [GROUP] (

), 

[1-2] (

)

GROUP 3-4 buses: [GROUP] (

), 

[3-4] (

)

[PHONES] knob

For adjusting the headphone 
level.

Level meter

If the level meter [PEAK] indica-
tor flashes frequently, lower the 
faders for each channel.

Summary of Contents for MG Series

Page 1: ...EN Owner s Manual Precautions pages 5 6 Quick Start Guide pages 9 to 11 Troubleshooting pages 29 to 31 ...

Page 2: ......

Page 3: ...ified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 1 Lire ces instructions 2 Conserver ces instructions 3 Tenir compte de tous les avertissements 4 Su...

Page 4: ...with general household waste For proper treatment recovery and recycling of old products please take them to applicable collection points in accor dance with your national legislation By disposing of these products correctly you will help to save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappropriate waste ha...

Page 5: ...power switch and disconnect the electric plug from the outlet Then have the device inspected by Yamaha service personnel The power cord or plug becomes frayed or damaged It emits unusual smells or smoke Some object has been dropped into the device There is a sudden loss of sound during use of the device If this device should be dropped or damaged immediately turn off the power switch disconnect th...

Page 6: ...urs without turning on the power until the condensation has completely dried out Avoid setting all equalizer controls and faders to their maximum Depending on the condition of the connected devices doing so may cause feedback and may damage the speakers Do not apply oil grease or contact cleaner to the faders Doing so may cause problems with electrical contact or fader motion When turning on the A...

Page 7: ...art Guide 9 Step 1 Preparing the Power Supply 9 Step 2 Making Connections 9 Step 3 Powering Up the System 9 Step 4 Getting Sound to the Speakers 10 Step 5 Using the Built in Effects XU Models and X Models 11 Setup 12 Setup Examples 12 Controls and Connectors 14 Front Panel 14 Rear Panel 15 Input Channel Block 16 Built in Effects Block XU Models and X Models 22 Master Block 24 Power Block 27 USB Bl...

Page 8: ...ects XU Models and X Models The XU models MG20XU MG16XU MG12XU and the X models MG16X MG12X feature 24 built in effects that are based on SPX algorithms used by professionals In particular the high quality reverb and delay expand the spatial quality of the sound with remarkable realism and naturalness 24 bit 192 kHz USB Audio Interface XU Models The XU models MG20XU MG16XU MG12XU feature a 2 in 2 ...

Page 9: ...tup Examples pages 12 13 Front Panel and Rear Panel pages 14 15 Step 3 Powering Up the System To prevent an unwanted burst of noise from the speakers power up the devices in the following order peripheral devices instruments micro phones etc mixing console power amps or powered speakers Reverse this order when turning the power off WARNING Be sure to turn the power on off in the order given in Ste...

Page 10: ...uipment to a stereo input channel that has no GAIN knob adjust the output level on the connected device 3 Turn on the ON switches for each chan nel you are using 4 Turn on the ST switches for each chan nel you are using 5 Turn off all PFL switches Confirm that the PFL indicator below the level meter is off 6 Turn on the ON switch for the STEREO master 7 Raise the STEREO master fader to the 0 posit...

Page 11: ...nd PARAMETER knob on the MG20XU are in slightly different locations than shown here Using Reverb and Delay Your mixes can be further enhanced by using the built in ambience effects such as reverb or delay Reverb and Delay Time The optimum reverb time for a piece of music will depend on the music s tempo and density but as a general rule longer reverb times are good for ballads while shorter reverb...

Page 12: ...ated on the rear panel Drum Bass guitar Microphones 3 Electric acoustic guitar Electric guitar Microphones 2 Powered speakers for musician monitoring Powered speakers main Mono input jacks accept both XLR connectors and phone connectors Synthesizer Foot switch Yamaha FC5 The FOOT SW jack is on XU models and X models Portable audio player Headphones Rear Panel Computer for music playback and or rec...

Page 13: ... NOTE On the MG20XU MG20 the SEND jack GROUP OUT jack MONITOR OUT jack and STEREO OUT jack are located on the rear panel Power amp Microphones DVD player voice Powered speakers Headphones CD player Speakers Rear Panel Computer for music playback and or recording The USB 2 0 jack is on XU models only DJ mixer ...

Page 14: ... stereo input channels page 16 Stereo input channels page 16 Master block jacks page 24 The master block jacks on the MG16XU MG16X MG16 MG12XU MG12X MG12 are all located on the front panel The master block jacks on the MG20XU MG20 are all located on the rear panel except the PHONES jack MONITOR section page 25 SEND MASTER section page 26 GROUP section page 26 STEREO section page 27 Input Channel B...

Page 15: ...r s Manual 15 Controls and Connectors Rear Panel Power Block page 27 USB Block XU models only page 28 Master Block Master block jacks page 24 The master block jacks on the MG20XU MG20 are all located on the rear panel except the PHONES jack MG20XU MG16XU ...

Page 16: ... equipment Two jack types are provided phone type and RCA pin type NOTE On any given channel you may use either a phone jack or RCA jack but not both If both types of jack are used only the phone jack will function Mono input channels 1 12 MG20XU MG20 1 8 MG16XU MG16X MG16 1 4 MG12XU MG12X MG12 Mono stereo input channels 13 14 19 20 MG20XU MG20 9 10 11 12 MG16XU MG16X MG16 5 6 7 8 MG12XU MG12X MG1...

Page 17: ...in 0 dB to 7 dB Attack time Approximately 25 ms Release time Approximately 300 ms NOTE Avoid setting the compression too high since the resulting higher average output level may lead to feedback i PHANTOM 48V switch and indicator This switch toggles phantom power on and off Turn this switch on to supply DC 48 V to the XLR input jacks The indicator lights when this switch is on Turn this switch on ...

Page 18: ...the signal before fader adjustment or post fader the signal after fader adjust ment signal is sent to the AUX bus by the PRE switch The AUX4 FX and AUX2 FX knobs are used to adjust the level of the signal sent to the FX bus built in effects in addi tion to the AUX bus The same signal level is sent to the AUX buses and FX buses connected to these knobs 2 PAN knobs PAN BAL knobs BAL knobs PAN Sets t...

Page 19: ...ected and the PEAK indicator lights red when the level reaches 3 dB below clipping 5 Bus assign switch These switches determine the bus es to which each channel s signal is sent Turn the switch on to output the signal to the corresponding buses 1 2 switch Assigns the channel s signal to the GROUP 1 2 buses 3 4 switch Assigns the channel s signal to the GROUP 3 4 buses ST switch Assigns the channel...

Page 20: ...12 MG20XU MG20 MG16XU MG16X MG16 AUX3 AUX4 FX AUX4 AUX1PRE AUX2 FX AUX2 HPF LOW MID HIGH 3 Stage EQ PEAK ON ST CH Fader STEREO L STEREO R PFL L PFL R GROUP 2 GROUP 1 GROUP 3 GROUP 4 ST 1 2 3 4 PFL CTRL HA HPF MG20XU MG20 CH13 14 19 20 MG16XU MG16X MG16 CH9 10 11 12 MG12XU MG12X MG12 CH5 6 7 8 PHANTOM 80Hz PFL HA USB PLAY L USB PLAY R MIC 60dBu 16dBu L MONO 34dBu 10dBu R 34dBu 10dBu HA MG20XU MG20 ...

Page 21: ...15 16 MG12XU MG12X MG12 CH9 10 11 12 PFL Only MG16XU MG16X and MG16 HA USB PLAY L USB PLAY R L 10dBu R 10dBu HA EQ BAL MG16XU CH15 16 MG12XU CH11 12 AUX2 FX AUX2 AUX1 AUX3 AUX4 FX AUX4 PRE AUX1 MG16XU MG16X MG16 MG12XU MG12X MG12 AUX1PRE PRE AUX2 MG12XU MG12X MG12 MG16XU MG16X MG16 AUX4 FX AUX4 AUX3 MG16XU MG16X MG16 3 Stage MG12XU MG12X MG12 2 Stage LINE USB AUX2 FX AUX2 MG16XU CH13 14 MG16X MG16...

Page 22: ...ge 33 e PROGRAM knob Selects one of the 24 built in effects Turn the knob to select the desired effect and then press the knob to enable it NOTE You can also select the desired effect by turning the knob while holding it down The PROGRAM knob can be used to adjust the volume of audio playback from a computer For details see the Attenuator Function page 28 MG16XU MG20XU o o r e y i y r w q 0 u t e ...

Page 23: ...f this switch is on and the foot switch FOOT SW jack 0 is used to turn off the built in effect the switch flashes u Bus assign switch MG16XU MG16X MG12XU MG12X These switches determine the bus es to which the signal of the built in effects is sent Turn the switch on to output the signal to the corresponding buses 1 2 switch Assigns to the GROUP 1 2 buses 3 4 switch Assigns to the GROUP 3 4 buses S...

Page 24: ... multi track recorder external mixer or another similar device e MONITOR OUT jacks Connect these impedance balanced TRS phone jacks to your operator monitoring system NOTE When the PFL indicator is flashing the signal for channels where the PFL switch is pressed is output When the PFL indicator is off the signal for the buses selected in the MONITOR section y is output y o t r e q w u i r e w q MG...

Page 25: ...d with PFL switches The 0 segment corresponds to the nominal output level The level meter PEAK indi cator lights when output reaches the clipping level PFL indicator When the PFL switch is on the indicator flashes MONITOR LEVEL knob For adjusting the level of the signal output to the MONITOR OUT jack PHONES knob For adjusting the level of the signal output to the PHONES jack SOURCE SOURCE SELECT M...

Page 26: ... this switch is on the signals are sent to the STEREO L R bus via the GROUP 1 2 3 4 faders The GROUP 1 and 3 signal goes to the STEREO L bus and the GROUP 2 and 4 signal goes to the STE REO R bus AUX1 AUX2 FX AUX2 AUX1 AUX3 AUX4 FX AUX4 AUX2 AUX3 AUX4 Only MG20XU MG20 MG16XU MG16X and MG16 SEND AUX1 4dBu SEND AUX2 4dBu SEND AUX3 4dBu SEND AUX4 4dBu MG20XU MG20 MG16XU MG16X MG16 AUX1 4 knobs MG12XU...

Page 27: ...the position to turn off the power NOTICE Note that the trace current continues to flow even while the switch is in the off position If you do not plan to use the mixer for a while be sure to unplug the power cord from the wall outlet Rapidly turning the unit on and off in succession can cause it to malfunction After turning the unit off wait for at least 6 seconds before turning it on again AC IN...

Page 28: ...f and then on again NOTICE Use an A B type USB cable The cable should be no more than 1 5 meters long A USB 3 0 cable cannot be used Be sure to wake the computer from sleep suspended standby mode before making a connection to the com puter s USB 2 0 connector Connect the mixer to the computer before turning the mixer power on Always perform the following two operations before turn ing the mixer s ...

Page 29: ...pages 14 28 STEP 1 Connections and Signal Flow Check if the instruments microphones and speakers are connected correctly and if any of the cables are damaged DI STEREO OUT jacks PHONES jack When connecting gui tars or basses to the MG use DI boxes 1 Signal is input from a microphone or instrument 2 Adjust tone and level for each channel 3 Route signals from channels to buses and then on to the mas...

Page 30: ...before turning on the PHANTOM 48V switch ON switches On lit ST switches On PEAK indicators PFL switches All off When PFL switches are on only the sig nals from those channels are sent to the level meter and headphones Therefore you will be unable to check the overall sound If the PFL indicator below the level meter is flashing one or more PFL switches are on Channel faders For adjusting the level ...

Page 31: ... stereo input channel Where an input channel provides both a XLR input jack and a phone input jack or a phone input jack and an RCA pin jack are there connections made at both jacks Use only one of these jacks Are the GAIN knobs for each channel channel faders STEREO master fader and GROUP fad ers adjusted to appropriate levels Are effect or compressor levels too high Use the FX knob FX RTN fader ...

Page 32: ... approx 25 msec Release time approx 300 msec EQ HIGH Gain 15 dB 15 dB Frequency 10 kHz shelving MID Gain 15 dB 15 dB Frequency 2 5 kHz peaking MID Gain 15 dB 15 dB Frequency Mono 250 Hz 5 kHz peaking Stereo 2 5 kHz peaking LOW Gain 15 dB 15 dB Frequency 100 Hz shelving PEAK LED LED turns on when post EQ signal reaches 3 dB below clipping level Level Meter Pre Monitor LEVEL 2 12 segment LED meter P...

Page 33: ...ul sound 11 SINGLE DLY Delay Time An effect which repeats the same sound only once Shortening the delay time produces a doubling effect 12 DELAY Delay Time Feedback delay adding multiple delayed signals 13 VOCAL ECHO Delay Time Echo designed for conventional vocals 14 KARAOKE Delay Time Echo designed for karaoke sing along applications 15 PHASER LFO Freq Cyclically changes the phase to add modulat...

Page 34: ...noise and is used pri marily for balanced connections With properly designed receiving circuitry cables with this type of connector can also be used for unbalanced signals XLR type connectors are the standard for microphone connections as well as most professional audio gear Phone Phone connectors are available in TRS and TS types TRS types are used for stereo headphone jacks insert jacks and also...

Page 35: ...flow leave the rear of the rack open and position it at least 10 centimeters from walls or other surfaces If the rear of the rack cannot be left open install a commercially available fan or similar ventilating option to secure sufficient airflow If you ve installed a fan kit there may be cases in which closing the rear of the rack will produce a greater cooling effect Refer to the rack and or fan ...

Page 36: ...ass Filter switch 17 L Level meter 25 LINE USB switch 17 M MIC LINE 16 MONITOR section 25 MONITOR LEVEL knob 25 MONITOR OUT jack 24 Mono input jack 16 Mono stereo input jack 16 O ON switch 19 23 26 27 P PAD switch 17 PAN knob 18 PAN BAL knob 18 PARAMETER knob 23 PEAK indicator 19 Peaking 18 PFL indicator 25 PFL Pre fader Listen switch 10 19 23 PHANTOM 48V switch and indicator 17 Phone 34 PHONES ja...

Page 37: ...MG20XU MG20 MG16XU MG16X MG16 MG12XU MG12X MG12 Owner s Manual 37 MEMO ...

Page 38: ...MG20XU MG20 MG16XU MG16X MG16 MG12XU MG12X MG12 Owner s Manual 38 ...

Page 39: ...of Lavriou 190 02 Peania Attiki Greece Tel 30 210 6686168 SWEDEN FINLAND ICELAND Yamaha Music Europe GmbH Germany filial Scandinavia JA Wettergrensgata 1 400 43 Göteborg Sweden Tel 46 31 89 34 00 DENMARK Yamaha Music Denmark Fillial of Yamaha Music Europe GmbH Tyskland Generatorvej 8C ST TH 2860 Søborg Denmark Tel 45 44 92 49 00 NORWAY Yamaha Music Europe GmbH Germany Norwegian Branch Grini Næring...

Page 40: ...Manual Development Group 2021 Yamaha Corporation Published 11 2021 POEM A0 VFN3500 Yamaha Pro Audio global website http www yamahaproaudio com Yamaha Downloads https download yamaha com ...

Reviews: