Main Board for TPN-C139 (15-DW / 15-DU) — L51994-601, LA-H328P / LA-H324P

Replacement main board compatible with the TPN-C139 series, designed specifically for 15-DW and 15-DU models. Factory part number L51994-601 with PCB/revision IDs LA-H328P and LA-H324P. Suitable as a direct replacement for the original motherboard in the listed configurations.