The tv must of turned on the timer by itself. They do do that sometimes. I suggest leaving it unplugged for 24 hours to reset itself. If problem persists, you may be able to go to your menu and access the sleep mode timer and set it to 0:00 or OFF
AV-27D502 (JVC) TV The cable guy said the electricity was still in the box after he unplugged it...
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AV-27D502 (JVC) TV The cable guy said the electricity was still in the box after he unplugged it and doesn't want me to use the TV anymore. Can I fix it??