SAMSUNG 2013SSP70 5630 70 (3) LED STRIPS FOR SHARP LC-70LE857U AND OTHER MODELS. 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. If you have any concerns, please contact us prior to your purchase.