How to enter the Service Menu on the Hitachi 37LD8700U
To enter the service menu, first enter the MENU by pressing “MENU” button and then press the digits 4, 7, 2 and 5 respectively.
How to Factory Reset the Hitachi 37LD8700U
Enter the service menu as listed above, then navigate to the OPTIONS menu, within this you will find a Factory Reset option.