MG206C/MG166CX/MG166C Owner’s Manual
Reference
20
Troubleshooting
Power doesn’t come on.
❑
Is the supplied power adaptor properly plugged into an appropriate AC wall
outlet?
❑
Is the supplied power adaptor properly plugged into the mixer?
No sound.
❑
Are microphones, external devices, and speakers connected correctly?
❑
Are the ON switch and ST switch of the channels you are using turned ON?
❑
Are the channel GAIN controls, Channel fader, STEREO OUT Master fader
and GROUP 1-2/3-4 fader set to appropriate levels?
❑
Are the MONITOR switch and 2TR IN switch set properly?
❑
Are your speaker cables connected properly, or are they shorted?
❑
If the above checks do not identify the problem, call Yamaha for service.
(Refer to the page 71 for a list of service centers.)
Sound is faint, distorted, or
noisy.
❑
Are the channel GAIN controls, Channel fader, STEREO OUT Master fader
and GROUP 1-2/3-4 fader set to appropriate levels?
❑
Are two different instruments connected to the XLR-type and phone jacks, or
to the phone and RCA pin jacks on one channel? Please connect to only one
of these jacks on each channel.
❑
Is the input signal from the connected device set to an appropriate level?
❑
Are you applying the effects at an appropriate level?
❑
Are microphones connected to the MIC input jacks?
❑
If you are using condenser microphones, is the P48 V switch
turned ON?
No effect is applied.
(If you are using MG166CX)
❑
Check that the EFFECT control on each channel is correctly adjusted.
❑
Be sure that the internal effect unit’s ON switch is turned ON.
❑
Be sure that the EFFECT PARAMETER control and EFFECT RTN fader are
correctly adjusted.
I want spoken words to be
heard more clearly.
❑
Be sure that the
switches are ON.
❑
Adjust the equalizers (HIGH, MID and LOW) on each channel.
I want to output a monitor
signal through speakers.
❑
Connect a powered speaker to the AUX 1, 2 or 3 jack (MG206C), or to the
AUX1 or 2 jack (MG166CX/MG166C) and turn the PRE switch on each chan-
nel on. Then adjust the output signal by using the AUX controls on each chan-
nel and the Master SEND control.
The level meter doesn’t
show the output signal
level.
❑
Are the PFL switches for the channels that you are not using turned on?
