Lg tv main board reset. Learn how to use, update, maintain and troubleshoot your LG devices and appliances. LG OLED65B6 Factory Reset and Post-Main Board Replacement Issues OLED65B6 shows persistent on-screen icons and unresponsive remote after main board replacement. 1 turn on the tv and press the button on your lg tv remote. Replacement Main Board for LG TV: https://amzn. The result of locking main board will be: you turn on, hear clicking relay - black screen - after 3 sec clicking relay again off. Unplug your TV for 60 seconds. to/3Hu2CPS LED Strip for LG LED TV: https://amzn. Lg Tv Main Board Reset. to/3qJdMtk Replacement Power supply board Nov 30, 2014 · How to repair an LG LCD TV main board. To lock out main board you need to reset it by for example service remote from china. nikx g5nqf fmcxxn vpgr1 ua vidg omxbkv tmfru vjo x2mll