Panasonic SA-BTT775GA Service Manual page 106

10.23.2. Assembly of Rectifier Diode Step 6 Solder pins of the Heatsink A.
(D5702)
Step 1 Apply Grease to the back of Rectifier Diode (D5702).
Step 2 Fix & screw the Rectifier Diode (D5702) to the Heatsink
A.
Caution: Ensure that Rectifier Diode (D5702) is properly
fixed & screwed onto Switching Regulator Unit.
Step 3 Fix the Switching Regulator Unit onto SMPS P.C.B..
Caution: Ensure that Switching Regulator Unit is properly
seated on SMPS P.C.B..
Step 4 Solder pins of the Switching Regulator IC (IC5701) on
the solder side of SMPS P.C.B..
Step 5 Solder pins of the Rectifier Diode (D5702) on the solder
side of SMPS P.C.B..
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