Part Type: SSB Main Unit Main Board HDMI Input A/V Board Tuner Board Cable Card Reader USB Input Part Number: 310432838123 Part Usage: Plasma MFR Part Number 1: Philips 310432838123 Board Number(s): 310431360376 310432835651 Substitute Parts: 310432842631 Known Model(s): Philips 42PF7220A/37 42PF7320A/37 50PF7220A/37 50PF7320A/37