Sharp LC-15SH7U Operation Manual - Page 29

[] Troubleshooting Guide If the unit does not perform properly when operated once before calling for service as instructed in this operation manual, check the following chart No power No picture or sound No color Sound OK0 picture poor Picture distorted Weak picture Lines or streaks in picture Picture blurred Ghosts in picture Bars on screen Picture rolls vertically Different color marks on screen Poor reception on some channels Picture OK, sound poor No reception of digital signals Be sure the power cord is plugged in Ira power failure occurs, unplug the power cord for 30 minutes to allow the unit to reset itself Check if the power is on Check the outlet connection Check the antenna or cable connection to the main unit, • When the outside antenna is used, check the wire condition and connection, - View other TV channels The problem might be limited to the broadcasting station -Turn offthe power and wait for about I minute, then turn it on again. Check the antenna or cable connection to the main unit • When the outside antenna is used, check the wire condition and connection, • View other TV channels The problem might be limited to the broadcasting station • Adjust the "COLOR" in the main menu • Check the antenna or cable connection to the main unit • When the outside antenna is used, check the wire condition and connection • Electrical interference from nearby appliances may affect picture quality Adjust"CONTRAST"and "BRIGHTNESS" in the main menu • View other W channels The problem might be limited to the broadcasting station. •When the outside antenna is used, check the wire condition and connection . View other IV channels The problem might be limited to the broadcasting station. , Check the antenna or cable connection to the main unit . When the outside antenna is used, check the wire condition and connection • Adjust "CONTRAST" and "BRIGHTNESS" in the main menu • View other wIVchannels The problem might be limited to the broadcasting station • When the outside antenna is used, check the wire condition and connection , Electrical interference from nearby appliances may affect picture quality, • View other TV channels The problem might be limited to the broadcasting station. • When the outside antenna is used, check the wire condition and connection.. • View other TV channels The problem might be limited to the broadcasting station • Check the antenna or cable connection to the main unit • When the outside antenna is used, check the wire condition and connection • Electrical interference from nearby appliances may affect picture quality • View other TV channels The problem might be limited to the broadcasting statiom • When the outside antenna is used, check the wire condition and connection • Electrical interference from nearby appliances may affect picture quality • When the outside antenna is used, check the wire condition and connection • Electrical interference from nearby appliances may affect picture quality . View other W channels The problem might be limited to the broadcasting station • Move the unit away from nearby electric appliances Turn off the power and wait 30 minutes before turning it back on • View other TV channels The problem might be limited to the broadcasting station • Check the antenna or cable connection to the main unit. • When the outside antenna is used, check the wire condition and connection, • Electrical interference from nearby appliances may affect picture quality. • View other TV channels The problem might be limited to the broadcasting station. • View other TV channels The problem might be limited to the broadcasting station. • Make sure auto channel scan has been completed (Refer to "Auto Channel Scan" on page 13) Auto channel scan must be completed when you set up the unit for the first time or move it to a location where previously unavailable channels are broadcast • The selected channel may not be broadcasting • When auto channel scan is interrupted and not completed, some channels will not be received Make sure to complete (Refer to"Auto Channel Scan" on page 13) EN