- Part Type: Main Unit, Main Board, HDMI Input, A/V Board, Signal Board, Tuner Board, USB Input, Digital Audio Output, Ethernet Input
- Part Number: T8-55NA2D-MA1
- Panel Number: LVU550CS0T E1 V1, T8-55D2730BU-LPN1
- Board Number: 40-SX7KNA-MAE4HG, 40-SX7KNA-MAG4HG, V8-SX70001-LVF1V406
- TV Brand: TCL
- TV Model: 55US5800TAAA / 55US5800TCAA / 55US5800TDAA
- Important Message: Part number T8-55NA2D-MA1 can be found on a sticker located on the front of the board. Works with models that have Service NO: 55US5800TAAA, 55US5800TDAA 55US5800TCAA.