A:AnswerHello, this TV is manufactured for use in the USA and does require 120Vac for optimal operation, however, the TV can withstand up to 240Vac with an adapter if needed. ^CP
A:AnswerThis will be in the settings menu. For assistance, you can contact our Customer Support by any of the below options:
Phone: 1-800-243-0000
LiveChat: https://www.lg.com/us/support/chatbot
Email: https://www.lg.com/us/support/email-appointment
Facebook Messenger: https://www.facebook.com/LGUSA/
Twitter: @LGUSSupport
The LG Community Forum is also a great resource for getting help from other LG customers: https://lgcommunity.us.com/ ^CP
A:AnswerHello, this TV is manufactured for use in the USA and does require 120Vac for optimal operation, however, the TV can withstand up to 240Vac with an adapter if needed. ^CP
A:AnswerYou don't need to do channel set up with a cable box, only an antenna. Just choose the HDMI input you have connected to the tv and you should be able to see picture and sound. You'll have to use the cable box remote to change channels