Panasonic RX-D50EE Service Manual page 39

8.17.2. Assembly of Power IC (IC4101)
Step 1 : Install the Power (IC4101) on Main P.C.B..
Caution : Ensure the pins are inserted and seated properly
on Main P.C.B..
Step 2 : Solder pins of the Power IC (IC4101) on the solder
side of Main P.C.B..
Step 3 : Apply Grease to the Heatsink Unit.
Step 4 : Install the Heatsink Unit on Main P.C.B.
Caution : Ensure the pins are inserted and seated properly
on Main P.C.B..
Step 5 : Fix 1 screw on the Transsistor (Q4107) onto the Heat-
sink Unit.
Caution : Check the solderability of the Transistor (Q4107)
and Power IC (IC4101).
Step 6 : Solder pins of the Heatsink Unit on the solder side of
Main P.C.B..
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