Panasonic SA-XH170EB Service Manual page 65

Step 5 Remove the Switching Regulator Unit in the direction of
arrow.
Caution: Avoid touching the Heatsink A due to its high
temperature after prolonged use. Touching it may lead to
injuries.
Step 6 Remove 1 screw from the Switching Regulator IC
(IC5701).
Step 7 Remove the Switching Regulator IC (IC5701) from the
Heatsink A.
Note: Refer to the diagrams of SMPS P.C.B. (Item 18.4) for
location of the part.
12.17.2. Assembly of Switching Regulator
IC (IC5701)
Step 1 Apply Grease to the back of Switching Regulator IC
(IC5701).
Step 2 Fix and screw the Switching Regulator IC (IC5701) to
the Heatsink A .
Caution: Ensure that Switching Regulator IC (IC5701) is
properly fixed and fully screwed onto Heatsink A.
Step 3 Fix the Switching Regulator Unit onto SMPS P.C.B..
Caution: Ensure that Switching Regulator Unit are properly
seated on SMPS P.C.B.
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