<font color='#000000'>Usually, when techs or others say "it isn't worth fixing" that can be commesurate with the following equation:
Cost of repairs + cost of materials >= Cost of equivalent replacement unit
No matter how much you like your particular unit, it may be that it would be more cost effective to obtain a replacement. Pricing keeps going down, and used/outdated units, are especially inexpensive to obtain (search eBay).</font>