Disassembly Of Smps P.c.b - Panasonic SA-PT470EB Service Manual

9.18.2. Assembly of Audio Digital Power
Amp IC (IC5400)
Step 1 Mount the Audio Digital Power Amp IC (IC5400) to the
D-Amp P.C.B.
Caution: Ensure pins of the Audio Digital Power Amp IC
(IC5400) are properly seated and soldered on D-Amp P.C.B.
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 Audio Digital Power Amp IC (IC5400)
on the solder side of D-Amp P.C.B.
Caution: Ensure pins of the Audio Digital Power Amp IC
(IC5400) are properly seated and soldered on D-Amp P.C.B.
Step 5 Follow (Step 5) to (Step 6) of Item 9.15.2

9.19. Disassembly of SMPS P.C.B.

• Follow (Step 1) to (Step 3) of Item 9.3.
• Follow (Step 1) to (Step 10) of Item 9.6.
• Follow (Step 1) to (Step 13) of Item 9.12.
Step 1 Move aside Main P.C.B. and position it according to the
diagram shown.
Step 2 Move aside Front Panel Assembly and position it
according to the diagram shown.
Step 3 Remove 6 screws on SMPS P.C.B.
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