Sony STR-GA7ES manual Troubleshooting, 25EN, Additional Information, Severe hum or noise is heard

Models: STR-GA7ES STR-GA8ES

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Additional Information

Additional Information

Additional Information

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.

There’s no sound or only a very low-level sound is heard.

/Check that the speakers and components are connected securely.

/Make sure you select the correct component on the receiver.

/Make sure you set the SPEAKERS selector correctly.

/Make the POWER SWAP selector is set to the correct position.

/Press MUTING on the remote if the MUTING indicator turns on.

/The protective device on the receiver has been activated because of a short circuit. (“PROTECTOR” flashes.) Turn off the receiver, eliminate the short-circuit problem and turn on the power again.

The left and right sounds are unbalanced or reversed.

/Check that the speakers and components are connected correctly and securely.

/Adjust the BALANCE control.

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 PRO LOGIC or MOVIE (except MONO THEATER) sound field (see page 17).

/Select the appropriate center mode (see page 18).

/Adjust the speaker volume appropriately (see page 18).

Recording cannot be made.

/Check that the components are connected correctly.

/Select the source component with the function buttons.

No sound or only a very low-level sound is heard from the rear speakers.

/Turn on the sound field function.

/Select the appropriate center mode (see page 18).

/Adjust the speaker volume appropriately (see page 18).

/Make sure you turned on the sound field function.

Radio stations cannot be tuned in.

/Check that the antennas are connected securely. Adjust the antennas 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.

/Make sure you set the tuning interval correctly (when you tune in AM stations with automatic tuning) (see pages 12 and 27).

/No stations have been preset or the preset stations have been cleared (when you tune in with scanning preset stations). Preset the stations (see page 12).

/Make sure to set the display mode to “NORMAL MODE” (when you tune with automatic tuning).

Surround effect cannot be obtained.

/Turn on the sound field function.

/Make sure that the SPEAKERS selector is set to A+B when you use two sets of front speakers.

No picture or an unclear picture is seen on the TV screen.

/Select the appropriate function on the receiver.

/Set your TV to the appropriate input mode (press TV/VIDEO on the remote for Sony TVs).

/Place your TV away from the audio components.

The remote does not function.

/Point the remote at the remote sensor gon the receiver.

/Remove the obstacles in the path of the remote and the receiver.

/Replace both batteries in the remote with new ones if they are weak.

/Make sure you select the correct function on the remote.

/Pressing TV CONTROL ON sets the remote to operate the TV only. In this case, press one of the SYSTEM CONTROL/FUNCTION buttons before operating the receiver (etc.).

25EN

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Sony STR-GA7ES manual Troubleshooting, 25EN, Additional Information, Severe hum or noise is heard, Recording cannot be made