Sony STR-AV53 Operating Instructions - Page 25
Sound, Problem, Cause, Solution
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Sound Problem Cause Solution No sound Is heard even if you adjust The speaker or program source Connect the equipment correctly. VOLUME. equipment is not connected correctly. The SPEAKERS selector is not set correctly. Set the selector correctly. The TAPE 2 MONITOR button has been Press the button to disengage. pressed for a program source other than tape deck 2. (The indicator is lit.) A wrong FUNCTION selector has been Press the correct FUNCTION selector. pressed. Sound is heard only at a very low volume. The MUTING button has been pressed. Press the button to disengage. (The MUTING indicator is lit.) One channel does not transmit audio, or The BALANCEcontrol is not set the volume from the left and right appropriately. speakers is unbalanced. The speaker or program source is not connected correctly. Adjust the BALANCE control. Check and properly connect the equipment. There is an abrupt loss of sound from one or both of the speakers, and the PROTECTOR indicator flickers in the display window. A short-circuit problem activates the protective circuit. Turn off the unit, eliminate the shortcircuit problem and turn on the power again. If there is no short-circuit problem, consult your nearest Sony dealer. Sound transmitted from the speakers is The speakers are not connected reversed. correctly. Connect the right speaker to the R SPEAKER terminals and the left speaker to the L SPEAKER terminals. There is lack of bass sound or the instrument position is obscure. The +1- connection of the speaker is Connect the speaker with the correct reversed. phase. Severe hum or noise is heard. The connecting cords are not shielded Use shielded type cords. type. A transformer, motor, TV or fluorescent light affects the connecting cords. Place the connecting cords in a location away from a transformer or motor, and at least 3 meters (10 feet) from a TV set or a fluorescent light. The audio components are too close to a If both are used at the same time, TV set. separate the TV from the audio components. The unit is not grounded. Connect the ground wire to the antenna ground terminal. The connections are loose. Make secure connections. The plugs and jacks are dirty. Wipe the plugs and jacks with a cloth lightly dampened with alcohol. 25