Panasonic SA-PT875GA Service Manual page 82

Step 1: Release the guide and slide the traverse slide plate (rib)
as arrows shown.
Step 2: Lift up the Traverse unit approximately 45° as shown.
Step 3: Slide out the Traverse unit as arrow shown.
Caution: Do not touch the surface of the Traverse unit and
place it so that the OPU is on top.
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