Sony STR-DG820 사용자 설명서

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STR-DG820
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Troubleshooting
If you experience any of the following 
difficulties while using the receiver, use this 
troubleshooting guide to help you remedy the 
problem.
Audio
There is no sound, no matter which 
component is selected, or only a very 
low-level sound is heard.
• Check that the speakers and components 
are connected correctly and securely.
• Check that all speaker cords are connected 
correctly.
• Check that both the receiver and all 
components are turned on.
• Check that MASTER VOLUME is not set 
to “VOL MIN”.
• Check that the SPEAKERS (OFF/A/B/
A+B) is not set to off (page 30).
• Check that headphones are not connected.
• Press MUTING on the remote to cancel 
the muting function.
• Check that you have selected the correct 
component with the input buttons (page 
38).
• When only a very low-level sound is 
heard, check to see if NIGHT MODE is 
activated (page 61).
• The protective device on the receiver has 
been activated. Turn off the receiver, 
eliminate the short-circuit problem, and 
turn on the power again.
There is no sound from a specific 
component.
• Check that the component is connected 
correctly to the audio input jacks for that 
component.
• Check that the cord(s) used for the 
connection is (are) fully inserted into the 
jacks on both the receiver and the 
component.
There is no sound from one of the front 
speakers.
• Connect a pair of headphones to the 
PHONES jack to verify that sound is 
output from the headphones. If only one 
channel is output from the headphones, the 
component may not be connected to the 
receiver correctly. Check that all the cords 
are fully inserted into the jacks on both the 
receiver and the component. If both 
channels are output from the headphones, 
the front speaker may not be connected to 
the receiver correctly. Check the 
connection of the front speaker which is 
not outputting any sound.
• Make sure you have connected to both the 
L and R jacks of an analog component, and 
not only to either the L or R jack. Use an 
audio cord (not supplied).
There is no sound from analog 2 
channel sources.
• Check that the INPUT MODE is not set to 
“AUTO” (page 75) and the DIGITAL and 
HDMI connection is not made for the 
selected input.
• Check that the DIGITAL ASSIGN 
function is not used to reassign the audio 
input of another source to the selected 
input (page 76).
There is no sound from digital sources 
(from COAXIAL or OPTICAL input jack).
• Check that the INPUT MODE is not set to 
• Check that the ANALOG DIRECT 
function is not selected.
• Check that the DIGITAL ASSIGN 
function is not used to reassign the audio 
input of another source to the selected 
input (page 76).