you could call
Phototronic
119 NE US Highway 24
Topeka KS 66608
785 233 0231
http://www.phototronictopeka.com/
he runs a one man shop opened only in the afternoon M-F and he is not, by his own admission, the world fastest
he advises you to keep calling him to check on the progress of the repair
he does Vintage to Digital Camera Repairs with free estimates [ he does not sell equipment ]
If you want to try him out, please call him first
*************** he is not a licensed Pentax repair shop *********************