There is a "white dots" thread. $250 fro a repair is cheap. He is certainly NOT "ripping you " off. Almost no one does component repair, it's just board swaps. The time it tkaes to rework small components (other than caps for example) and the equipment needed isn't worth the labor time. labor rates aren't what they are in China.
Recording free OTA TV for 'time shifting' has been here since 1977. Will there be DVR's to do the same when ATSC3 obsoletes existing DVR's??