Hitachi 50HDA39 Owners Guide - Page 44

Useful Information Auto power off The TV will automatically turn off after approximately 15 minutes if it is tuned to a vacant channel or a station that completes its broadcast for the day and stops broadcasting on that channel. This feature does not work in video input mode. Understanding the Power Return feature If the power is cut off while you are viewing the TV and the power is resupplied, the Power Return feature will turn the TV on automatically. If the power is going to be off for a long time or you are going to be away from the TV for a long time, unplug the power cord from the wall outlet to prevent the TV from turning on in your absence. Troubleshooting Before calling a service technician, please check the following table for a possible cause of the symptom and some solutions. Symptom Solution Black box on screen • Select OFF in the Closed Caption menu to turn off the Closed Caption Text mode. TV will not turn on • Make sure the power cord is plugged in, then press POWER . • The remote control batteries may be dead. Replace the batteries. No picture, no sound • Check the antenna/cable connections. No sound, picture OK • The sound may be muted. Press VOL ▲/▼. • The station may have broadcast difficulties. Try another channel. • The Audio source feature may be in SAP mode. Select STR or MONO in the AUDIO SOURCE menu. Poor sound, picture OK • The station may have broadcast difficulties. Try another channel. • The Audio source feature may be in SAP mode. Select STR or MONO in the AUDIO SOURCE menu. Poor picture, sound OK • Check the antenna connections. • The station may have broadcast difficulties. Try another channel. • Adjust the VIDEO menu. Picture and sound are out of sync • As with all products that contain a digital display, in rare instances, when viewing certain content (e.g., television broadcasts, video games, DVDs), you may notice that the sound and picture are slightly out of sync. This phenomenon can be caused by various factors including, without limitation, video processing within the TV, video processing in an attached gaming system, and video processing/different compression rates used by broadcasters in their programming. You may want to try one or more of the following suggestions, which may help to reduce the effect of this phenomenon: - If the TV is connected to an A/V receiver that has a programmable audio delay feature, use this feature to help synchronize the sound to the picture. - If you notice this phenomenon only on certain TV chan nels, please contact your local broadcast, cable, or satellite provider to inform them of this issue. Poor reception of broadcast channels • The station may have broadcast difficulties. Try another channel. • Check the antenna connections. • If you are using a video input, make sure the INPUTS button is set correctly. Cannot receive above channel 13 44 • Make sure the AIR/CABLE feature in the SETUP menu is set to "CABLE." Useful Information