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Sony STR-DE475, STR-K402, STR-K402 Additional Information, Troubleshooting, Severe hum or noise is heard, No sound is heard from the center speaker

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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. Also, see “Checking the connections” on page 19 to verify that the connections are correct. 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 that you’ve selected the correct component on the receiver.

,Press MUTING if MUTING appears on the display.

,The protective device on the receiver has been activated because of a short circuit. 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 front balance parameter in the LEVEL menu.

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.

,Move your TV away from the audio components.

,The plugs and jacks are dirty. Wipe them with a cloth slightly moistened with alcohol.

No sound is heard from the center speaker.

,Make sure the sound field function is on (press

SOUND FIELD MODE).

,Select the appropriate center mode (see pages 25–27).

,Adjust the speaker volume (see page 18).

,Make sure the center speaker size parameter is set to either SMALL or LARGE (see page 16).

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Contents

Owner’s Record WARNING Precautions About This Manual Unpacking Inserting batteries into the remote Before you get started Antenna Hookups Terminals for connecting the antennas Notes on antenna hookups Audio Component Hookups Required cords Jacks for connecting audio components Video Component Hookups Jacks for connecting video components Note on video component hookups Digital Component Hookups Example of LD player connected via an RF demodulator MULTI CH IN Hookups Example of a DVD player hookup using the MULTI CH IN jacks Other Hookups Setting the VOLTAGE SELECTOR (models of area code E2, E3 only) Connecting the AC power cord Hooking Up and Setting Up the Speaker System Brief descriptions of buttons and control Speaker System Hookup Terminals for connecting the speakers Notes on speaker system hookup To avoid short-circuitingthe speakers To avoid damaging your speakers Performing Initial Setup Operations Clearing the receiver’s memory Performing initial setup operations Multi Channel Surround Setup Specifying the speaker parameters Multi Channel Surround Setup xSurround speaker height (SLSR) xSub woofer selection xFront speaker distance (L R ) xCenter speaker distance ( C ) xSurround speaker distance (SLSR) Adjusting the speaker volume Before You Use Your Receiver Checking the connections Before You Use Your Receiver Location of Parts and Basic Operations Front Panel Parts Descriptions Front Panel Parts Description qa INPUT MODE button Select qs Function buttons To select qd MASTER VOLUME control Enjoying Surround Sound Brief descriptions of buttons used to enjoy surround sound Selecting a Sound Field Selecting a Sound Field Sound field information Sound field information Use the buttons on the front panel to operate the following modes Understanding the Multi-ChannelSurround Displays Source sound displays Source sound and Output Channel Display Input Channel Display All speakers absent Customizing Sound Fields To get the most from multi channel surround sound Adjusting the surround parameters Adjusting the level parameters Customizing Sound Fields Adjusting the bass/treble Resetting customized sound fields to the factory settings Adjustable parameters for each sound field Receiving Broadcasts receive broadcasts Direct Tuning Automatic Tuning Preset Tuning Presetting radio stations Tuning to preset stations Brief descriptions of buttons that appear in this chapter Naming Preset Stations and Program Sources Recording Recording on an audio tape or MiniDisc Recording Recording on a video tape Using the Sleep Timer Adjustment Using the SET UP Button Selecting the MULTI CH IN video input Set the display to turn off Additional Information Troubleshooting Reference sections for clearing the receiver’s memory Specifications AUDIO POWER SPECIFICATIONS Amplifier section FM tuner section AM tuner section Video section General Glossary Settings Using SURR, LEVEL, and SET UP buttons Remote Button Description Changing the factory setting of a function button Remote Button Description Index