Panasonic SA-XH170EB Service Manual page 67

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 Diode (D5702).
Step 7 Remove the Diode (D5702) from the Heatsink A.
Note: Refer to the diagrams of SMPS P.C.B. (Item 18.4) for
location of the part.
12.18.2. Assembly of Diode (D5702)
Step 1 Apply Grease to the back of Diode (D5702).
Step 2 Fix and screw the Diode (D5702) to the Heatsink A.
Caution: Ensure that Diode (D5702) 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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