2.1.4 Removing the power amplifier board and heat sink (See Fig.8~10) � Prior to performing the following procedure, remove the rear panel, the left and right side panels, and the CD player assembly. (1) Remove the five screws E and F attaching the heat sink. (2) Disconnect the wire from connector CN901 on the power supply board. (3) Disconnect the card wire from connector CN305 on the power amplifier board. (4) Remove the screw G attaching the power amplifier board. (5) Disconnect the connector CN301 on the power amplifier board, and release the two joints b. REFERENCE: Remove the screw F, then power amplifier board can be removed without removing heat sink.