Yamaha DSP-A590 Owner's Manual - Page 25

English TROUBLESHOOTING If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help. SYMPTOM CAUSE REMEDY The unit fails to turn on when the POWER switch is pressed. Power cord is not plugged in or is not completely inserted. Firmly plug in the power cord. No sound or no picture. Incorrect output cord connections. Connect the cords properly. If the problem persists, the cords may be defective. Appropriate input selector is not pressed. Press the appropriate input selector corresponding to the input source. The sound suddenly goes off. The protection circuit has been activated Turning the unit off and then on will because of short circuit etc. reset the protection circuit. The SLEEP timer functioned. Do not make the SLEEP timer function. Only one side speaker outputs the sound. Incorrect setting of the BALANCE control. Adjust it to the appropriate position. Incorrect cord connections. Connect the cords properly. If the problem persists, the cords may be defective. Sound "hums". Incorrect cord connections. Firmly connect the audio plugs. If the problem persists, the cords may be defective. No connection from the turntable to the GND terminal. Make the GND connection between the turntable and this unit. The volume level is low while playing a The record is being played on a turntable The player should be connected to the record. with an MC cartridge. unit through the MC head amplifier. The volume level cannot be increased, The power to the component connected or sound is distorted. to the REC OUT terminals of this unit is off. Turn the power to the component on. No sound from the rear speakers. The sound output level to the rear speakers is set to 0. Turn up the sound output level with the REAR LEVEL control. The monaural sound source is played in DOLBY PRO LOGIC or DOLBY PRO LOGIC ENHANCED mode. Select another program suitable for the monaural sound source. No sound from the center speaker. The sound output level to the center speaker is set to 0. Turn up the sound output level with the CENTER LEVEL control. The center channel mode is in PHANTOM mode. Select NORMAL or WIDE. Incorrect sound field program selection. No sound field program is selected. Select the appropriate program. The remote control transmitter does not work. Direct sunlight or lighting (of an inverter type of flourescent lamp etc.) is striking the remote control sensor of the main unit. Change the position of the main unit. The batteries of this remote control transmitter are too weak. Replace the batteries with new ones. The sound is degraded when monitoring is performed by using the headphones connected to the compact disc player or cassette deck which are connected with this unit. The power to this unit is off. Turn the power to this unit on. 25