China LCD LED TV Service Modes All Types Universal Boards Combo Boards. You shouldn't disturbed any setting If you don't have proper knowledge of settings. Mostly Universal Board's Service Mode can be opened with these Codes found from service guide its helpfull for technical person. Factory Code, LED TV Service mode, TV Service Code
Fast-forward to better TV. All China LCD TV Service Menu Access Codes | China TV Factory Settings & Keys Unlock On China TVs complete
If you have universal/china smart/non-smart led tv board and you want to open the service mode/factory setting then please follow some steps to open it. 1- Start You led tv and take a remote. 3- Press the Menu button on your remote. 3- Now, Press 1, 1, 4 and 7 within 3 seconds Press the "MENU" in the operation mode "2", "0", "0", "8" for 3 seconds and enter the factory menu success. Byhod from factory menu = MUTE =SUPRA STV-LC2725AFL (V5L11) MAIN: T.VST59S.73, SYSCON: TSUMV56XES-Z1, SPI FLASH: GD25Q32, TUNER: CDT-3NP5 / 1-10, LED PANEL: M270HGE-L21. Enter the service mode: MENU -1,1,4,7. Chinese And Many More LCD Factory mode/Service Mode COBY Enter menu, Hi-Lite "audio" then enter 8893 Mode/Source 2580 Dynex Source/Input 2580 Hold Vol down on TV and hold the (#1) button on remote Element Menu 0000 > menu 1147 Haier Pull up menu, Hi-Lite "audio" then enter 8893. Hisense "Parental " enter 0000 then select "Clean All " Insignia puicqTC.