Yamaha RX-V496 Owner's Manual - Page 51
TROUBLESHOOTING, General
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APPENDIX INTRODUCTION PREPARATION BASIC OPERATION ADVANCED OPERATION 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. s General SYMPTOM The unit fails to turn on when STANDBY/ON is pressed, or enters in the standby mode soon after the power has been turned on. The unit does not work normally. No sound and/or no picture. No picture. The sound suddenly goes off. Only the speaker on one side can be heard. No sound from the effect speakers. No sound from the center speaker. No sound from the rear speakers. CAUSE The power cord is not connected or the plug is not completely inserted. The IMPEDANCE SELECTOR switch on the rear panel is not fully set to the right or left position. The internal microcomputer has been frozen by an external electric shock (lightning, excessive static electricity, etc.) or by a power supply with low voltage. Incorrect input or output cable connections. An appropriate input source has not been selected. The speaker connections are not secure. SPEAKERS have not been set properly. The sound is muted. Digital signals other than PCM audio and the signals encoded with Dolby Digital or DTS which this unit cannot reproduce are being input to this unit by a CD-ROM, etc. There is no S VIDEO connection between this unit and the TV monitor, although S video signals are being input to this unit. The protection circuit has been activated because of a short circuit, etc. The SLEEP timer has functioned. Incorrect cable connections. Incorrect setting of BALANCE. The sound effect is off. A Dolby Surround, Dolby Digital or DTS decoding DSP program is being used with material not encoded with Dolby Surround, Dolby Digital or DTS. The sound output level of the center speaker is set to minimum. "CENTER SP" in the SET MENU is set to the NONE position. Incorrect DSP program is selected. The source encoded with Dolby Digital or DTS does not have a center channel signal. The output level of the rear speakers is set to minimum. A monaural source is being played with the PRO LOGIC/Normal or PRO LOGIC/ENHANCED program. REMEDY Firmly connect the power cord. Set the switch fully to the right or left position when the unit is in the standby mode. Set the unit in the standby mode and disconnect the AC power cord from the AC power outlet. After about 30 seconds have passed, connect the power and operate the unit again. Connect the cables properly. If the problem persists, the cables may be defective. Select an appropriate input source with INPUT SELECTOR or TAPE/MD MON / EXT. DECODER (or the input selector buttons). Secure the connections. Set SPEAKERS corresponding to the speakers in use to the ON position. Set VOLUME to the "m" position, press MUTE to cancel a mute and adjust the volume. Play a source whose signals this unit can reproduce. Connect the monitor's "S" video input terminal to this unit's S VIDEO MONITOR OUT terminal. Set the unit in the standby mode and then turn on to reset the protection circuit. Turn on the power, and play the source again. Connect the cables properly. If the problem persists, the cables may be defective. Adjust it to the appropriate position. Press EFFECT to turn it on. Select another DSP program. Raise the level of the center speaker. Select the LRG or SML position. Select the appropriate program. Raise the output level of the rear speakers. Select another DSP program suitable for the monaural source. Refer to page 17 17 - 12, 13 20 15 20 21 - 14 - 39 15 21 24 27 37 34 25, 26, 27 - 37 27 47 APPENDIX English