Yamaha AX-592 Owner's Manual - Page 20
TROUBLESHOOTING, If it cannot be corrected, or if the fault is not listed in the SYMPTOM column
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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 AC power plug and contact your authorized YAMAHA dealer or service center for help. SYMPTOM The unit fails to turn on when the POWER switch is pressed, or turns off suddenly soon after the power is turned on. No sound. Sound level is too low. The sound suddenly goes off. Only one speaker outputs sound. There is a lack of bass and no ambience. The sound "hums". Sound level is low or sound is distorted while playing a record on the turntable. The volume level cannot be increased, or sound is distorted. Using the BASS, TREBLE, BALANCE, and LOUDNESS controls and SUBSONIC FILTER switch (AX-592 and AX-892 only) does not affect the tone. The input source can not be changed, though the INPUT selector is turned. The remote control does not work. The distance or range within which the remote control can be used decreases. The sound is degraded when listening with the headphones connected to the compact disc player or cassette deck that are connected with this unit. CAUSE The AC power plug is not plugged in or is not completely inserted. The IMPEDANCE SELECTOR switch on the rear panel is not set to the upper or the lower end exactly. Incorrect output cable connections. The appropriate input source is not selected. The SPEAKERS switches are not set properly. Speaker connections are not secure. The jumpor pins (PRE OUT/MAIN IN) are not connected properly. (AX-592 and AX-892 only) The MUTING switch is pushed in. (Muting is on) (AX-892 only) The protection circuit has been activated because of a short circuit, etc. Incorrect setting of the BALANCE control. Incorrect cable connections. The cable polarity is reversed at the amplifier or speakers. Incorrect cable connections. No connection from the turntable to the GND terminal. The LOUDNESS control is functioning. The PHONO (MM/MC) switch is set to the improper position (AX-592 and AX-892 only). The power to the component connected to the REC OUT terminals of this unit is off. The CD DIRECT AMP or PURE DIRECT switch is on. REMEDY Firmly plug in the AC power plug. Set the switch to the upper or the lower end exactly. Connect the cables properly. If the problem persists, the cables may be defective. Select an appropriate input source with the INPUT selector. Set the SPEAKERS switch, which corresponds to the speakers to be used, to ON. Secure the connections. Connect the jumper pins properly. (AX-592 and AX-892 only) Push the MUTING switch again. (Muting is off) (AX-892 only) Turning the unit off and then on will reset the protection circuit. Adjust it to the appropriate position. Connect the cables properly. If the problem persists, the cables may be defective. Connect the speaker cables correctly. Firmly connect the cables. If the problem persists, the cables may be defective. Make the GND connection between the turntable and this unit. Set the LOUDNESS control to the FLAT position. Set the PHONO (MM/MC) switch to the proper position (AX-592 and AX-892 only). Turn the power to the component on. The CD DIRECT AMP and PURE DIRECT switches must be switched off to use those controls. The CD DIRECT AMP switch is on. Switch off the CD DIRECT AMP switch. Direct sunlight or lighting (of an inverter type of fluorescent lamp etc.) is striking the remote control sensor of the unit. The batteries of the remote control are too weak. The power to this unit is off. Change the position of the unit. Replace the batteries with new ones. Turn the power to this unit on. 20