Sony STR-DA90ESG Operating Instructions - Page 58

Additional Information Severe hum or noise is heard. ♦ Check that the speakers and components are connected securely. Check that the connecting cords are away from a transformer or motor, and at least 10 feet (3 meters) away from a TV set or fluorescent light. ♦ Place your TV away from the audio components. ♦ Make sure you connect a ground wire to the antenna ground terminal. ♦ The plugs and jacks are dirty. Wipe them with a cloth slightly moistened with alcohol. No sound is heard from the center speaker. ♦ Select a sound mode other than ACOUSTIC or KARAOKE (see page 34). ♦ Adjust the speaker volume appropriately (see page 23). No sound or only a very low-level sound is heard from the rear speakers. ♦ Select a sound field other than ACOUSTIC. ♦ Adjust the speaker volume appropriately (see page 23). Surround effect cannot be obtained. ♦ Turn on the sound field function. ♦ Set DIRECT PASS to OFF. ♦ Make sure you set the SPEAKERS selector correctly (see page 10). Tuner Radio stations cannot be tuned in. ♦ Check that the antenna is connected securely. Adjust the antenna and connect an external antenna if necessary. ♦ The signal strength of the stations is too weak (when you tune in with Automatic Tuning). Use Direct Tuning (see page 27). ♦ Make sure you set the tuning interval correctly (when you tune in AM stations with Automatic Tuning) (see page 27 or 50 and 60). ♦ No stations have been preset or the preset' stations have been cleared (when you tune in with Preset Tuning). Preset the stations (see page 28 or 50). ♦ Display the frequency by pressing DISPLAY (when you tune with Automatic Tuning). Others IR codes of components cannot be registered. ♦ When registering the IR code, be sure to check the following: • Point the remote at the IR sensor on the receiver from a distance of less than 4 inches (10 cm). • Hold down the button on the remote for about 2 or 3 seconds until the "RECEIVING" display switches to "RELEASE YOUR REMOTE". • Keep the remote pointed horizontally at the LEARNING SENSOR until the code is registered. Recording cannot be made. ♦ Check that the components are connected correctly. ♦ Select the playback component with the remote or with the FUNCTION knob on the front panel. A component cannot be selected Check the FUNCTION hookup setting of the component (see page 54). 58