Disassembly Of Smps - Panasonic SA-PT460 Service Manual

SA-PT460EB / SA-PT460EG
Note: Refer to the diagrams of D-Amp P.C.B. (Item 20.4.) for
location of the part.
9.20.1. Assembly of Digital Amp IC
(IC5400)
Step 1 Fix the digital amp IC (IC5400) 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 (IC5400) on the
reverse side of D-Amp P.C.B.
Special Note: Ensure pins of the digital amp IC (IC5400) are
properly seated and soldered on D-Amp P.C.B.
Step 5 Follow (Step 5) to (Step 6) of Item 9.17.1
9.21. Disassembly of SMPS P.C.B.
• • • • Follow (Step 1) to (Step 3) of Item 9.3.
• • • • Follow (Step 1) to (Step 7) of Item 9.15.
Step 1 Move aside Main P.C.B. and position it according to the
diagram shown.
Step 2 Remove 4 screws on SMPS P.C.B.
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