海信HZ55A57 HZ50A57主板RSAG7.820.8052屏HD550SIU71 HD500SIU92

原装海信HZ55A5(BOM93)235514主板RSAG7.820.8052屏HD550SIU71-K1

海信HZ55A55主板型号RSAG7.820.8052配屏HD550SIU81/71/31