Panasonic SA-HT530GCP Service Manual page 37

17.8.4. Replacement of Optical Pickup Unit
· Follow the (Step 1) - (Step 5) of item 17.8.1 - Replacement of Traverse Unit
· Follow the (Step 1) - (Step 5) of item 17.8.2 - Replacement of Tray
Step 1: Widen the catch, push the pin in.
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SA-HT530GCP