Panasonic SA-HT650P Service Manual page 58

Step 7 : Remove the FFC from the connector.
Step 8 : Remove all the screws.
Step 9 : Remove the traverse motor ass'y.
Step 10 : Release the claw, and then remove the spring holder.
Step 11 : Remove the spring.
Step 12 : Lift up the optical pickup ass'y and then remove the guide shaft 1 from the guide A.