T R O U B L E S H O O T I N G & B L O C K D I A G R A M
PA G E 7
A M C - M I X I N S TA L L AT I O N & O P E R AT I O N M A N U A L
T R O U B L E S H O OT I N G G U I D E
TROUBLE LIKELY
CAUSE
REMEDY
Power LED not on
Power not reaching mixer
Check plug pack connection
Check power switch is on
Distorted sound
Input is overloaded
Reduce input level at source
Output is being over driven
Reduce volume levels on front panel
Bass control is turned up
Reduce Bass control level
No sound but mixer is on
Volume controls down
Check volume controls
Connected amplifi er is switched off.
Check amplifi ers and speakers
No sound from channels 2 & 3
Priority function is being used
Remove signal (disconnect input)
from channel 1 OR
Disable priority function
(see Internal Adjustments)
Condenser microphone does not work
Mixer does not have phantom power
Purchase an external power supply OR
Upgrade to the MX range of mixers
Tones do not sound when triggered
Tone generator module not installed.
Purchase optional Tone generator
module
