Sony STR-DH770 Owner's Manual

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STR-DH770
4-584-079-13(2)
The home menu does not appear on the TV 
screen.
The home menu can only be used when 
you connect the TV to the HDMI TV OUT 
jack. 
Press HOME to display the home menu.
Check that the TV is connected correctly.
The home menu may take some time to 
appear on the TV screen depending on the 
TV.
No sound or only a very low level of sound is 
heard, no matter which device is selected.
Check that all connecting cables are 
inserted to their input/output jacks on the 
receiver, speakers and the devices.
Check that the receiver and all devices are 
turned on.
Check that MASTER VOLUME on the receiver 
is not set to “VOL MIN”.
Check that SPEAKERS on the receiver is not 
set to “SPK OFF” (page 29).
Check that headphones are not connected 
to the receiver.
Press 
 to cancel the muting function.
Try pressing the input button on the remote 
control or turning INPUT SELECTOR on the 
receiver to select the device of your choice.
If you want to listen to sound from the TV 
speaker, set “AUDIO OUT” to “TV + AMP” in 
the “<HDMI>” menu. If you cannot play 
multi-channel audio source, set to “AMP”. 
However, the sound will not be output 
through the TV speaker. 
Sound may be interrupted when the 
sampling frequency, number of channels or 
audio format of audio output signals from 
the playback device is switched.
There is no sound from the TV via the HDMI 
TV OUT (ARC) jack when using the Audio 
Return Channel function.
Set “CTRL HDMI” to “CTRL ON” in the 
“<HDMI>” menu.
Make sure that your TV is compatible with 
the Audio Return Channel function.
Make sure that the HDMI cable is connected 
to a jack on your TV that is compatible with 
the Audio Return Channel function.
The surround effect cannot be obtained.
Make sure you have selected a sound field 
for “MOVIE” or “MUSIC” (page 32).
“PLII MV”, “PLII MS”, “PLIIX MV”, “PLIIX MS”, 
“NEO6.CINEMA”, and “NEO6.MUSIC” do not 
work when the speaker pattern is set to 
“2/0” or “2/0.1” (page 14).
PROTECTOR
The receiver will automatically turn off after a 
few seconds. Check the followings:
There may be an electrical surge or power 
failure. Unplug the AC power cord (mains 
lead) and then plug in the cord again after 
30 minutes.
The receiver is covered and the ventilation 
holes are blocked. Remove the object 
covering the ventilation holes of the 
receiver.
The impedance of the connected speakers 
is below the rated impedance range 
indicated on the back panel of the receiver. 
Reduce the volume level.
Unplug the AC power cord (mains lead) and 
let the receiver cool down for 30 minutes 
while performing the following 
troubleshooting: 
 Disconnect all of the speakers and 
subwoofer.
 Check that the speaker wires are tightly 
twisted on both ends.
 Connect the front speaker first, increase 
the volume level and operate the receiver 
for at least 30 minutes until it completely 
warms up. Then, connect each additional 
speaker one by one and test each 
additional speaker until you detect which 
speaker is causing the protection error.
After checking the above items and fixing 
any problems, plug in the AC power cord 
(mains lead) and turn on the receiver. If the 
problem persists, consult your nearest Sony 
dealer.
Audio
Error messages