Yamaha YHT-S401 Owners Manual - Page 30

Troubleshooting Problem Cause Solution The volume level decreases without any operation. Sound is poor (noisy). This unit does not operate properly. A digital or highfrequency equipment produces noises. The unit settings change automatically. The remote control does not operate the unit. The TV remote control does not work even when the remote signal receptor is attached to the top of the speaker. The volume level is automatically set to 70 the next time you turn on the unit to protect the speakers. A speaker cable may be shorted. This unit may receive a strong electrical shock, such as from a lightening bolt or excessive static electricity, or drop in power supply. The unit may be placed close to digital equipment or high-frequency equipment. When "3-1:CONTROL" in the setup menu "3:HDMI SETUP" is set to "ON", operations of the TV (for example, changing channels, etc.) may change the unit settings, such as the surround mode. The unit may be outside the remote control operation range. The remote control sensor of this unit may be exposed to direct sunlight or lighting. The batteries may be worn out. The position of TV remote signal receptor is not appropriate. The TV remote signal receptor is facing an incompatible sensor, such as a sensor for detecting the brightness of the room. Make sure all cables are connected properly. Set this unit to standby mode, and then disconnect the power cable. Wait for about 30 seconds, connect the power cable, and then turn on this unit. Place this unit farther away from such equipment. Set "3-1:CONTROL" in the setup menu "3:HDMI SETUP" to "OFF" or set the unit again by using its remote control. For information on the remote control operation range, refer to "Remote control preparation". Change the lighting. Replace the batteries. Move the TV remote signal receptor to right/left so as to place its center to the front of TV remote control sensor. Place the TV remote signal receptor approximately 10 mm away from TV. Place the TV remote signal receptor after confirming the position of remote control sensor by referring to the manual of your TV. See page 8 10 - 19 2 - 2 6 6 6 ■ HDMI Problem Cause "AUTO" set in the option menu "2.AUDIO DELAY" does not operate. The HDMI control function does not operate properly. No picture or sound The TV does not support automatically adjusting the audio delay. The number of the connected HDMI components is over the limit. Add the connection of HDMI components The connected HDMI component does not support high-bandwidth digital copyright protection (HDCP). Solution Adjust the delay time manually (0 to 500 ms). Disconnect some of the HDMI components. Set "3-1:CONTROL" in the "3:HDMI SETUP" to "ON" again. Connect the HDMI component that supports HDCP. See page 22 - 19 - 26 En