Panasonic SA-BTT775GA Service Manual page 104

10.22.2. Assembly of Switching Regulator
IC (IC5701)
Step 1 Apply Grease to the back of Switching Regulator IC
(IC5701).
Step 2 Fix & screw the Switching Regulator IC (IC5701) to the
Heatsink A.
Caution: Ensure that the Switching Regulator IC (IC5701) is
properly fixed & fully screwed onto Heatsink A.
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..
Step 6 Solder pins of the Heatsink A.
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