Yamaha DSP-AX1 Owner's Manual - Page 82

Troubleshooting Problem No sound is coming from the Effect speakers. No sound is coming from the Front Effect speakers. No sound is coming from the Center speaker. No sound is coming from the Rear Effect speakers. No sound is coming from the Subwoofer. Poor bass reproduction. The volume level cannot be increased, or sound is distorted. DSP parameters and some other settings on this unit cannot be changed. This unit does not operate properly. Possible Cause The effect is off. What to Do Press EFFECT to turn on the effect sound. A Dolby Surround or DTS decoding sound field program is being used with material not encoded with Dolby Surround or DTS. Select another sound field program. PRO LOGIC/Normal, DOLBY DIGITAL/ Normal or DTS DIGITAL SUR./Normal of DSP program 12 is selected. Select another sound field program. The front level is turned to minimum. Adjust the Front Effect speaker level (see page 63). The 1F. FRNT EFCT item in the SET MENU is set to "NONE". Select "YES" (see page 41). The 1A. CENTER SP item in the SET MENU is set to "NONE". Select the appropriate mode for your Center speaker (see page 39). One of the Hi-Fi DSP sound field programs (1 to 6) is selected. Select another sound field program. The input signals of a source encoded with Dolby Digital or DTS do not include center channel signals. Refer to the instructions for the source currently playing. The right and left Rear speaker levels are set to minimum. Increase the right and left Rear speaker levels (see page 63). A monaural source is played with sound field program 12. Select another sound field program. The 1E. LFE/BASS OUT item in the SET MENU is set to "MAIN" when a Dolby Digital or DTS encoded software is played. Select "SW" or "BOTH" (see page 40). The 1E. LFE/BASS OUT item in the SET MENU is set to "SW" or "MAIN" when a 2channel encoded software is played. Select "BOTH" (see page 40). The 1E. LFE/BASS OUT item in the SET MENU is set to "SW" or "BOTH" and your system does not include a subwoofer. Select "MAIN" (see page 40). The output mode selection for each channel (MAIN, CENTER or REAR) in the SET MENU does not match your speaker configuration. Select the appropriate output mode for each channel based on the size of the speakers in your configuration (see pages 37 through 41). The power to the equipment connected to the REC OUT jacks of this unit is off. Turn on the power to the equipment. The 13. MEMORY GUARD item in the SET MENU is set to "ON". Select "OFF" (see page 48). The internal microcomputer has been frozen by an external electric shock (such as lightning or excessive static electricity) or by a power supply with low voltage. Disconnect the AC power cord from the outlet, then plug it in again after about one minute. Appendix 80