Sony STR-DA3400ES User Guide

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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. Should any problem persist, consult 
your nearest Sony dealer.
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 securely.
• Check that all speaker cords are connected 
correctly.
• Check that both the receiver and all 
components are turned on.
• Check that MASTER VOLUME control is 
not set at VOL –
∞ dB. Try to set it at about 
VOL –40.0 dB.
• Check that SPEAKERS (OFF/A/B/A+B) 
is not set to off (page 43).
• Press MUTING on the remote to cancel 
the muting function.
• Check that you have selected the correct 
component with INPUT SELECTOR.
• Check that headphones are not connected.
• When only a very low-level sound is 
heard, check to see if NIGHT MODE is 
activated (page 65).
• 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 both the L 
or R jack to an analog component and not 
just to either the L or R jack. Use an audio 
cord (not supplied).
There is no sound from analog 2 
channel sources.
• Check that INPUT MODE is set to 
There is no sound from digital sources 
(from COAXIAL or OPTICAL input jack).
• Check that INPUT MODE is not set to 
• Check that “2ch Analog Direct” is not 
being used.
• Check to make sure the selected digital 
audio input jack is not assigned to other 
inputs in “Input Assign” in the Input menu 
(page 95).
The left and right sounds are 
unbalanced or reversed.
• Check that the speakers and components 
are connected correctly and securely.
• Adjust the level parameters using the 
Speaker settings menu.