Panasonic SA-PT960P Service Manual page 57

Step 2 Remove 1 screw.
Step 3 Remove the TR spring in the direction of arrows.
Step 4 Remove the digital amp IC (IC5300) from the heatsink
unit A.
Caution: Handle the heatsink unit A with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
Note: Refer to the diagrams of D-Amp P.C.B. (Item 20.4.) for
location of the part.
9.16.1. Assembly of Digital Amp IC
(IC5300)
Step 1 Fix the digital amp IC (IC5300) to the heatsink unit A.
Step 2 Screw the TR spring to the heatsink unit A.
Step 3 Use a blower to remove the minute particles that might
be caused after the process of the screwing TR spring to the
heatsink unit A.
Step 4 Solder pins of the digital amp IC (IC5300) on the
reverse side of D-Amp P.C.B.
Special Note: Ensure pins of the digital amp IC (IC5300) are
properly seated and soldered on D-Amp P.C.B.
Step 5 Follow (Step 5) to (Step 6) of Item 9.15.1.
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SA-PT960P / SA-PT960PC