Hi. My name is*****'m a camera repair technician with over 20years in the business and I'll be glad to help you with your question today.
Does the carriage come up but the cassette compartment won't open?
This is going to require disassembling the camera to trouble shootand repair by an experienced camera repairman. Below is a link to a directory of repair shops, one of which should be in your area and able to help you.