Panasonic SA-AKX90PH Service Manual page 64

Step 3 Remove Heatsink Clip.
Step 4 Remove Audio Digital Amp IC (IC5900).
9.31.2. Assembly of Audio Digital Amp IC
(IC5900)
Step 1 Apply grease to the Heatsink.
Step 2 Install the Audio Digital Amp IC (IC5900) on D-Amp
P.C.B.
Caution: Ensure pins of the Audio Digital Amp IC (IC5900)
are properly seated on D-Amp P.C.B.
Step 3 Install Heatsink Clip to the Heatsink.
Caution: During assembling, ensure that Heatsink Clip is
catched onto Heatsink properly.
Step 4 Solder pins of the Audio Digital Amp IC (IC5900) on the
solder side of D-Amp P.C.B..
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