Yamaha AX-396 Owner's Manual - Page 15

English TROUBLESHOOTING Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instructions given below do not help, disconnect the power cord and contact your authorized YAMAHA dealer or service center. Problem The unit cannot be turned on or turns off suddenly soon after the power is turned on. This unit does not work normally. No sound. The sound suddenly goes off. Only one of the speakers produces the sound. There is a lack of bass and no ambience. Sound "hums". The volume level is low while playing a record. The volume level cannot be increased, or sound is distorted. The sound is degraded when listening with the headphones connected to the compact disc player or tape deck that are connected with this unit. Sound level is low. The input source cannot be changed, though the INPUT selector is turned. Using the BASS, TREBLE, BALANCE and LOUDNESS controls does not affect the tone. The remote control does not work. The remote control does not function properly. Cause Power cord is not plugged in nor completely inserted. The IMPEDANCE SELECTOR switch on the rear panel is not set to either end. There is an influence of strong external noise (lightning, excessive static electricity, etc.) or a misoperation on this unit while using this unit. Incorrect output cord connections. Appropriate input source is not selected. The SPEAKERS switches are not set properly. Speaker connections are not secure. The protection circuit has been activated because of short circuit etc. Incorrect setting of the BALANCE control. Incorrect cord connections. The + and - wires are connected in reverse at the amplifier or speakers. Incorrect cord connections. No connection from the turntable to the GND terminal. The record is being played on a turntable with an MC cartridge. The component connected to the TAPE OUT or MD OUT terminals of this unit is turned off. This unit is turned off or in the standby mode. What to Do Firmly plug in the power cord. Set the switch to either end when this unit is off. Turn off this unit by pressing the POWER switch. After about 30 seconds have passed, turn on this unit and operate this unit again. Connect the cords properly. If the problem persists, the cords may be defective. Select an appropriate input source with the INPUT selector. Set the corresponding SPEAKERS switch to the ON position. Secure the connections. Turn off this unit by pressing the POWER switch, and then turn this unit on to reset the protection circuit. Adjust it to the appropriate position. Connect the cords properly. If the problem persists, the cords may be defective. Connect the speaker wires in the correct phase (+ and -). Firmly connect the audio plugs. If the problem persists, the cords may be defective. Make the GND connection between the turntable and this unit. The turntable should be connected to this unit through the MC head amplifier. Turn on the power to the component. Turn on the power to this unit. The LOUDNESS control is functioning. The CD/DVD DIRECT AMP switch is ON. Set the LOUDNESS control to the FLAT position. Switch off the CD/DVD DIRECT AMP switch. The CD/DVD DIRECT AMP switch (or PURE DIRECT switch for AX-496 only) is ON. The batteries of this remote control are weak. Wrong distance or angle. Direct sunlight or lighting (of an inverter type fluorescent lamp etc.) is striking the remote control sensor of the main unit. The CD/DVD DIRECT AMP switch (or PURE DIRECT switch for AX-496 only) must be switched OFF to use those controls. Replace the batteries with new ones. The remote control will function from a maximum range of 6 meters and no more than 30 degrees off-axis from the front panel. Reposition of the main unit. E-13