Panasonic SB-WA935EE Service Manual page 13

Step 1: Disconnect the connector (CN502).
Step 2: Remove the AC Inlet P.C.B. by pulling the P.C.B.
support claw as arrow shown).
Step 3: Desolder the terminals of IC601, Transistors Q601 and
Q602.
Step 4: Disconnect the connectors CN601, CN602 and CN603
and remove the Amplifier P.C.B..
Step 5: Remove 4 screws.
Step 6: Remove 2 screws and the transistor holders.
Step 7: Flip the Power P.C.B. as shown to desolder the
terminals of the Power IC501, Transistors Q511 and Q512.
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SB-WA935EE