One method to isolate the screen and test for this is to disconnect both the LVDS cables going to the screen and then turn on the TV
Notice: Used in TV version MH01 (found on sticker on back of TV)
Compatible Models: Lennox
Part Number: 1-474-595-11
Part Type: Power Supply UnitPart Number: BN44-00977ALocation: 2M2Additional Board Numbers: L55S7NA_RHSNotice: Recommended to order by part number whenever possible
NEC CBPFGQBCB0ZK0050006 Main Board for E422 part One method to isolate the180 Day Warranty! Part Type: Main Unit, Main Board, VGA Input, HDMI Input, A V Board, Signal Board, Tuner Board, USB Input, Digital Audio Output, S Video Input Part Number: CBPFGQBCB0ZK0050006 Location: 02N4 Additional Board Numbers: 715G4927 M01 000 005I Notice: Recommended to order by part number whenever possible. Often times there are TV models that use more than one set of parts and or panels. Compatible TV Models: TCL E422 Please contact us if