Working unused mainboard taken from from a TCL 43RC650K TV.
JVC LT-32CR230 32" ROKU SMART TV MAIN AV BOARD CV816-M42 ORIGINAL
JVC LT-40CR330 40" ROKU SMART TV MAIN AV BOARD CV816-M42 GENUINE ORIGINAL
Replacement Boards/Parts for CHIQ ROKU L40G5NK 40" Smart FHD HDR10 TV – Black
TCL 50C805K C805K SMART TV MAIN AV BOARD 11602-500915 40-M653H5-MAB2HG *T11*
TCL 40SF540K FIRE SMART ALEXA TV MAIN BOARD 40-T950T2-MPC2HG 11602-500932
40-T950T3-MPC2HG FOR TCL 43SF560-UKXB MAIN PCB FOR TCL 43SF560-UKXB