YORKVILLE Audiopro 3400 Owner's Manual

Also see for Audiopro 3400: Service manual Service manual

Contents

YORKVILLE Audiopro 3400 Owner's Manual Manual pdf 9 page image

Page 8OWNERS MANUAL / GUIDE D' OPERATIONPower/breaker switch is on,but power LED is offNo music through speakersThe music at channel ‘A’s in-put is heard on channel ‘B’soutput or vise versa.Protect LED flashes on and offProtect LED is continuouslyon. Fan is on high speed.Protect LED is continuouslyon. Fan is on high speed.There’s no sound on the out-puts.No AC powerNo music at amplifier’s input.Volume controls turned down.Damaged speaker. Faultyspeaker cable.The amplifier is in mono mode.If music is present at the am-plifier’s inputs and the activityLEDS flash in step with theprotect led, a short or loadless than 2 ohms is present onthe corresponding output.The Energy Management Sys-tem is correcting for exces-sive current draw through theAC line cord.The amplifier has overheated.Connect AC power cord to alive AC receptacleCAUTION: Do not removechassis cover as there are noreplaceable fuses containedinsideTo verify that the music is get-ting through the amplifier: con-nect music to the amplifier’sinputs, turn the volume con-trols up, verify that activityLEDS are flickering.Check speakers, and cables.Put mono/stereo switch instereo position (out)If multiple speaker cabinetsare connected to the ampli-fier’s output, disconnect themone by one until the protectLED turns off. If the problempersists with no signal on theinput and no speakers areconnected, have the amplifierserviced by authorized per-sonal.The amplifier is automaticallyturning down the music so thatthe circuit breaker does nottrip. No action needs to betaken. This is a rare but nor-mal condition.Remove any obstruction fromthe ventilation holes. Amplifierwill reset after cooling.SYMPTOM POSSIBLE CAUSE PROBABLE SOLUTIONTROUBLESHOOTINGGUIDE