Inverter Board LC420WX7 6632L-0449A / 6632L-0448A , S & M Included ( Been Tested & 100% Working ) Inverter Board LC420WX7 6632L-0449A / ... 6632L-0448A, S & M Board IncludedPacking : 1 pc S board & 1 pc M boardCondition : Used , Been Tested & 100% Working ... you to install. You will receive:1 ×S board 1 ×M board Inverter Board LC420WX7 6632L-0449A / 6632L-0448A , S ...