Panasonic SA-PMX82EB Service Manual page 36

Caution : Avoid touching the surface of the Optical Pickup
Unit on the traverse unit.
8.15.2. Assembly of Traverse Unit
Step 1 : Release the guide as shown & slide Traverse Slide
Plate to the end.
Step 2 : Insert Traverse Unit at approximately 45° into mecha
unit as arrow shown.
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