Sony STR-AV770X - Manual (Page 24)

TÒ3A
Troubleshooting Guide
Before proceeding through the check list below, examine the connections and the procedures outlined in the manual.
Should any problem persist after you have checked the following items, consult your nearest Sony dealer.
Radio Broadcast Reception
Problem Cause Solution
No FM station can be located by
Auto-Tuning operation.
The signal strength of the stations is too
weak. Press the TUNING LEVEL button to set
the receiving signal level low.
The STEREO indicator flickers or does
not appear when receiving stereo
programs.
A very weak EM station or a noisy FM
program is received.
Adjust the antenna or connect an
external FM antenna.
Press the FM MODE button to set to
MONO mode.
No station can be tuned in by Auto-
Tuning operation.
The AM tuning interval is set incorrectly. Ohange the tuning interval according to
the AM frequency allocation system of
your country. (See page 5)
The signal strength of the station is too
weak for Auto-Tuning. Adjust the antenna.
Directly tune in the stations.
(See page 14)
No stations can be tuned in by pressing
PRESET TUNING +/-. No stations have been preset. Preset the stations. (See page 16)
Surround Function
Problem Cause Solution
Surround effect cannot be obtained. The unit is in a wrong mode. Press the CURSOR MODE button to set
the surround mode.
Surround effect cannot be adjusted. Surround circuit is turned off. Press SURROUND ON/OEF.
Remote Commander
Problem Cause Solution
The remote commander will not operate. The batteries are exhausted. Replace the batteries with new ones.
The commander head is not pointed
toward the unit's front. Point the commander head toward the
receiver.
There is an object between the
commander and the receiver. Remove the object.
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