Panasonic RX-D50EE Service Manual page 37

Step 3 : Remove the Transistor (Q4107).
Caution : Avoid touching the Heatsink Unit due to its high
temperature after prolonged use. Touching it may lead to
injuries.
8.16.2. Assembly of Transistor (Q4107)
Step 1 : Apply Grease to the Heatsink Unit.
Step 2 : Install the Transistor (Q4107) on Main P.C.B. as arrow
shown.
Caution : Ensure the pins are inserted and seated properly
on Main P.C.B..
Step 3 : Fix 1 screw on the Transistor (Q4107) onto the Heat-
sink Unit.
Step 4 : Solder pins of the Transistor (Q4107) on the solder
side of Main P.C.B..
Caution : Check for the solderability of the Transistor
(Q4107).
37