Acesonic AM-898 - Manual (Page 22)

Problem Solusion
No power
Possible Reason
Power core loose Reinstall the power plug
No music output
Preset max music output volume is 0, it
will limit the music output level to 0. Set the preset music volume higher
Select the wrong audio input Switch to correct audio input
Audio input plug loose Reinstall the audio input cable
No microphone output
Microphone cable broke Fix or replace the cable
Microphone plug loose Reinstall the microphone plug
Master microphone volume knob sets to 0 Adjust the volume to appropriate level
Mic. Max volume(in Mic. Menu) sets to 0 Adjust the volume to appropriate level
No video output
Video input loose; Wrong video input
switch; Video device setup error Reinstall video input; switch to correct
video input ; Change another device.
No mixing effect
Max effect level(in Mic. Menu) sets to 0 Adjust the volume to appropriate level
One channel no sound
Audio input loose Reinstall the audio input
Speaker cable loose
Reconnect the cable to speaker
Remote doesn’t work Out of batteries
Change the batteries and try again
19
Trouble shooting
If you are having problems operating the AM-898, or suspect something
is wrong with the unit, please check the troubleshoot list below to see if
the issue is a result of incorrect operation rather than equipment
malfunction. If you are still unable to resolve the problem, please contact
our Acesonic tech. service center at 626-820-0670
Specification
Test under max music volume, 1KHz analog frequency signal with 1V(RMS), 10K ohms resistance.
Music:
Music frequency --------------------------------------20 Hz~22KHz(+-0.5)
Input sensitivity ------------------------------------------- 230mV(+-20%)
Max music signal voltage -------------------------------2.2V(THD <=0.5%)
Music/Noise ratio-------------------------------------------------------75dB
Microphone:
Microphone frequency--------------------------------20 Hz~22KHz(+-0.5)
Mic. sensitivity ------------------------------------------------------- 15mV
Max mic. signal voltage-----------------------------------------------19mV
Microphone/Noise ratio------------------------------------------------73dB
Machine:
Power input--------------------------------------------------AC 110V / 50Hz
Max power usage-----------------------------------------------------650 W
Machine size---------------------------------------------435x324x132(mm)
Machine weight------------------------------------------------------12.5 Kg
Power:
Max output (8ohms)-----------------------------------------------300W x 2