Panasonic SA-PT480PH - 8.23 Replacement of Switching Regulator IC (IC5701); 8.23.1 Disassembly of Switching Regulator IC (IC5701)

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8.23. Replacement of Switching Reg-
ulator IC (IC5701)
• Refer to “Disassembly of SMPS P.C.B.”
8.23.1. Disassembly of Switching Regula-
tor IC (IC5701)
Step 1 Desolder pins of the Switching Regulator IC (IC5701) on
the solder side of SMPS P.C.B..
Step 2 Remove 1 screw from the Switching Regulator IC
(IC5701).
Step 3 Remove the Switching Regulator IC (IC5701).
Caution: Avoid touching the Heatsink Unit B due to its high
temperature after prolonged use. Touching it may lead to
injuries.
Note: Refer to the diagrams of SMPS P.C.B. (Item 18.4) for
location of the parts.
8.23.2. Assembly of Switching Regulator
IC (IC5701)
Step 1 Apply grease to the Heatsink Unit B.
Step 2 Fix the Switching Regulator IC (IC5701) onto the SMPS
P. C .B . .
Caution: Ensure the Switching Regulator IC (IC5701) is
tightly screwed to the Heatsink Unit B.
Step 3 Fix and screw the Switching Regulator IC (IC5701) to
the Heatsink Unit B.
Step 4 Solder pins of the Switch Regulator IC (IC5701) on the
solder side of SMPS P.C.B..