AVSL 172.790 QMX4.1 - Manual (Page 4)

No user serviceable parts inside, refer all servicing issues to qualified service personnel. Clean
with a lint-free dry or slightly damp cloth. To replace crossfader, disconnect mains and undo the 2
securing screws, lift the crossfader and disconnect from the in-line connector (noting the correct
orientation. Connect the new crossfader, reposition and secure with the 2 screws.
 Check mains for correct voltage as indicated near to the IEC mains inlet on the
rear panel. Connect to mains supply using the IEC cable provided.
 Connect the MASTER RCA outputs to amplifier, active speakers or recording
device and ensure that the volume levels are turned down to avoid damage.
 Connect any turntables to the RCA PHONO inputs on ch.1 and ch.2.
 Earth turntables to the case earth point on the rear panel
 Connect CD, DVD, MP3 players etc. to the LINE or AUX inputs.
 Connect DJ mic to the top panel combi socket and mic 2 to the MIC jack on ch.4
 Connect headphones to the HEADPHONE jack
 With MASTER LEVEL down, switch the power on.
 Gradually increase MASTER LEVEL and channel levels to check input signals.
 Be aware that the CROSSFADER also operates across ch.1 and ch.2
 Monitor each channel via headphones selecting using the CUE SELECT switch
 Check DJ mic level and adjust BASS and TREBLE where necessary
NO OUTPUT -
Check mains power is on
Check leads and connections
Check MASTER LEVEL and mic or channel fader is turned up
Check CROSSFADER is in the centre position
DISTORTED OUTPUT -
Check line input isn't connected to PHONO
Check channel and MASTER faders are not too high
Check volume control of amplifier, active speakers or recording equipment
TOO QUIET -
Check turntable is not connected to line input
Check channel and MASTER faders are not too low
Check for volume control on sound source