Panasonic SA-AK570PL Servise Manual page 63

Step 18 Check and repair D-Amp P.C.B. according to the
diagram shown.
11.6. Checking and Repairing of AC
Inlet P.C.B. & SMPS P.C.B.
• Follow (Step 1) - (Step 9) of item 11.5
Step 1 Detach wire connector at connector CN5802 at SMPS
P.C.B..
Step 2 Remove 4 screws.
Step 3 Remove 2 screws at AC Inlet P.C.B..
Step 4 Cut 2 tie wraps.
Step 5 Remove 1 screw at the rear panel.
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SA-AK570PL / SA-AK570GCP