Yamaha A-S500BL Owners Manual - Page 18
Problems, Possible Causes, Solutions, Refer to, or the sound is
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TROUBLESHOOTING Problems No sound. The sound suddenly goes off. Only the speaker on one side can be heard. There is a lack of bass and no ambience. A "humming" sound can be heard. The volume level is low while playing a record. The volume level cannot be increased, or the sound is distorted. The sound is degraded when listening with the headphones connected to the CD player or the tape deck connected to this unit. The sound level is low. Possible Causes Solutions Refer to page Sound is muted. Press MUTE button on the remote control or rotate the VOLUME control. 3 Incorrect cable connections. Connect the stereo cable for audio units and the speaker wires properly. If the problem persists, the 5 cables may be defective. Playback has been stopped on the connected component. Turn the component on and start playback. 8 No appropriate input source has been Select an appropriate input source with the INPUT selected. selector on the front panel (or one of the INPUT 8 selector buttons on the remote control). The SPEAKERS selector is not set properly. Set the corresponding SPEAKERS selector to A, B or A+B position. 8 The protection circuitry has been activated Check that the IMPEDANCE SELECTOR setting is because of a short circuit, etc. correct. 4 Check that the speaker wires are not touching each other or shorting out against the rear panel of this 5 unit, and then turn this unit on again. This unit has become too hot. Reconsider the location where this unit is installed. Make sure the openings on the top panel are not - blocked. The automatic power down function has Confirm that there are no other issues causing this turned this unit off. problem, and then turn this unit on again. 7 Incorrect cable connections. Connect the cables properly. If the problem persists, the cables may be defective. 5 Incorrect setting for the BALANCE control. Set the BALANCE control to the appropriate position. 9 The + and - wires are connected in Connect the speaker wires to the correct + and - reverse at the amplifier or the speakers. phase. 6 Incorrect cable connections. Connect the audio plugs firmly. If the problem persists, the cables may be defective. 5 No connection from the turntable to the GND terminal. Make the GND connection between the turntable and this unit. 5 The turntable is connected to the jacks other than the PHONO jacks. Connect the turntable to the PHONO jacks. 5 The record is being played on a turntable Use a turntable equipped with an MM cartridge. with an MC cartridge. - The component connected to the LINE 2 Turn on the power of the component. REC or LINE 3 REC jacks of this unit is turned off. - This unit is turned off or is in standby mode. Turn this unit on. 8 Sound is muted. The loudness control function is operating. Press MUTE button on the remote control or rotate the VOLUME control. 3 Turn down the volume, set the LOUDNESS control to the FLAT position, and then adjust the volume 9 again. 14 En