ONKYO A-9377 用户手册

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If you have any trouble using the A-9377, look for a 
solution here. If you cannot resolve the issue yourself, 
contact your Onkyo dealer.

• Make sure that the power cord is properly plugged into 

the wall outlet.

• Unplug the power cord from the wall outlet, wait ten 

seconds or more, then plug it in again.

• The amp protection circuit has been activated. Set the 

POWER switch to OFF immediately, remove the 
power cord from the wall outlet, and contact your 
Onkyo dealer.

• Make sure that all audio plugs are pushed in all the 

way (page 12).

• Make sure that the inputs and outputs of all compo-

nents are connected properly.

• Make sure that the polarity of the speaker cables is 

correct and that the bare wires are in contact with the 
metal part of each speaker terminal (page 11).

• Make sure that the correct input source is selected 

• If the MUTING indicator is flashing, press the remote 

controller’s [MUTING] button to unmute the A-9377 
(page 16).

• Make sure that none of the cables are bent, twisted, or 

damaged.

• If your turntable uses an MC type cartridge, you must 

• Make sure the SPEAKERS selector is set correctly. If 

it’s set to OFF, no speakers will output sound 
(page 15).

• Using cable ties to bundle audio cables with power 

cords, speaker cables, and so on may degrade the 
audio performance, so do not bundle them together.

• An audio cable may be picking up interference. Try 

repositioning your cables.

• If the TONE/DIRECT indicator is on, the Direct func-

tion is on and the tone controls have no effect. Press 
the [TONE/DIRECT] button to turn the function off. 
The TONE/DIRECT indicator will go off (page 16).

• Make sure that the batteries are installed with the cor-

• Try installing new batteries. Do not mix different 

types of batteries or old and new batteries (page 10).

• Make sure that the remote controller is not too far 

away from the A-9377 and that there’s no obstruction 
between the remote controller and the A-9377’s 
remote control sensor (page 10).

• Make sure that the A-9377 is not subjected to direct 

sunshine or inverter-type florescent lights. Relocate if 
necessary (page 10).

• If the A-9377 is installed in a rack or cabinet with col-

ored glass doors, the remote controller may not work 
reliably when the doors are closed (page 10).

• If it’s an Onkyo component, make sure that the 

 

cable and analog audio cable are connected properly. 
Connecting only an 

 cable will not work. (page 14)