Sony CCU-D50 Service Manual page 31

1-16. Notes on Service of Power Supply (Switching Regulator)
Heat Radiation Sheet
The heat radiation sheets are used to the transistors Q1 and Q3 on the power supply board.
When reinstalling the transistors Q1 and Q3 on the power supply board, check the position of the transis-
tor and heat radiation sheet meets the specification shown in the figure below.
Heat radiation sheet
3.5 mm or more
3.5 mm or more
Projection
or more
Heat radiation sheet
CCU-D50/D50P SMV1E
1-26