Part Type: Main Unit Main Board HDMI Input A/V Board Signal Board Tuner Board USB Input Part Number: BN94-05680F Part Usage: LED/LCD MFR Part Number 1: Samsung BN94-05680F Board Number(s): BN97-06387P BN41-01704A Substitute Parts: BN94-06071D Known Model(s): Samsung LN40E550F7FXZA CH01