Sony KDL-40XBR4 Operating Instructions - Page 46

Other Information Cleaning Clean the ventilation holes of this TV set regularly (once a month). If dust accumulates, the cooling fan may not operate properly. Ventilation holes Troubleshooting If you have questions, service needs, or require technical assistance related to the use of your Sony TV, please visit our website or call one of the following numbers: http://www.sony.com/tvsupport 1-800-222-SONY(7669) for US Support 1-877-899-SONY(7669) for Canadian Support Condition No picture No picture Cannot receive any channels TV is locked to one channel Cannot receive or select channels The TV turns off automatically No picture from some video sources Poor picture The quality of the images is not as good as what I saw at the store 46 Explanation/Solution • Check the Power Saving settings (see page 44). • Make sure the power cord is connected securely. • Turn on the power of the TV. • Check antenna/cable connections. • Make sure the Cable setting is correct for your TV signal source. • Perform Auto Program to add receivable channels that are not present in the TV's memory (see pages 19 and 40). • Perform Auto Program to add receivable channels that are not present in the TV's memory (see pages 19 and 40). • To receive or select cable channels, make sure that Cable in the Channel settings is set to On (see page 40). To receive or select UHF channels over an antenna, make sure Cable is set to Off. • Check if Sleep Timer is activated, or confirm the Duration setting of Timer (see page 34). • Check PC Power Management in the General Settings (see page 45). • Check the connection between the optional video equipment and the TV. • Press INPUT on the remote control (see page 24). • Press HOME on the remote control. Select your desired input from the External Inputs list. • Picture quality depends on the signal content. See Quick Setup Guide (supplied) to display the best possible picture for that signal.