Panasonic SA-AK640E Service Manual page 254

CRS1
Step 12: Fix the top cover as arrow shown, the 2 claws
should be latched.
The mechanism unit will be ready to be checked using
service jig or be mounted to the main unit for checking.
7.2.4. Assembly of CD Loading P.C.B.
Step 1: Install the plunger assembly as arrow shown, the
catch should be latched.
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