HISENSE 55.55T16.C03 T-CON BOARD FOR 55H7G AND OTHER MODELS. This board is fully tested and removed from a set with a defective Panel. We do not accept exchanges or refunds for the following reasons. First, you as the purchaser of the part is accepting the role of the technician in properly diagnosing and installing the part. We do not know your qualifications as such. Secondly, each part we sell came from a TV that had a broken or defective LCD or Plasma panel. Any questionable boards are disposed of. If you have any concerns, please contact us prior to your purchase.