Replacement Of Rectifier Diode (D5702) - Panasonic SA-BT230P Service Manual

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 part.
10.22.2. Assembly of Switching Regulator
IC (IC5701)
Step 1 Apply grease to the Heatsink Unit B.
Step 2 Mount the Switching Regulator IC (IC5701) onto the
SMPS P.C.B..
Step 3 Fix and screw the Switching Regulator IC (IC5701) to
the Heatsink Unit B
Caution: Ensure the Switching Regulator IC (IC5701) is
tightly screwed to the Heatsink Unit B.
Step 4 Solder pins of the Switch Regulator IC (IC5701) on the
solder side of SMPS P.C.B..
Caution: Ensure pins of the Switching Regulator IC
(IC5701) are properly seated and soldered on SMPS P.C.B..
10.23. Replacement of Rectifier Diode
(D5702)
• Refer to "Disassembly of SMPS P.C.B.".
10.23.1. Disassembly of Rectifier Diode
(D5702)
Step 1 Desolder pins of the Rectifier Diode (D5702) on the sol-
der side of SMPS P.C.B..
Step 2 Desolder pins of the Heatsink Unit B.
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