Panasonic SC-HC20GA Service Manual page 35

9.11.2. Assembly of Diode (D702)
Step 3 : Remove the Diode (D702).
Step 1 : Apply grease to the heatsink unit.
Step 2 : Install the Diode (D702) onto SMPS P.C.B..
Step 3 : Fix the Diode (D702) onto the heatsink unit with 1
screws.
Caution : Ensure the Diode (D702) is fixed properly to the
heatsink.
Step 4 : Solder pins of the Diode (D702).
Caution : Ensure the Diode (D702) is seated properly onto
the SMPS P.C.B. before soldering
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