Replacement Of Rectifier Diode (D5702) - Panasonic SA-AK180PN Service Manual

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 Switch Regulator IC
(IC5701).
Step 3: Remove the Switch Regulator IC (IC5701).
Caution: During replacement of the part, avoid touching
the heatsink, it may lead to injuries.
9.15.2. Assembly of Switching Regulator
IC (IC5701)
Step 1: Apply grease to the Heatsink Unit B.
Step 2: Mount the Switching Regulator IC (IC5701) on to
SMPS P.C.B.
Caution Ensure pins of the Switching Regulator IC (IC5701)
are properly seated on SMPS P.C.B.
Step 3: Solder pins of the Switching Regulator IC (IC5701) on
the solder side of SMPS P.C.B.
Step 4: Screw the Switching Regulator IC (IC5701) to the Heat-
sink Unit B.
Caution: Ensure the Switching Regulator IC (IC5701) is
tightly screwed to the Heatsink Unit B.
9.16. Replacement of Rectifier Diode
(D5702)
• Follow (Step 1) to (Step 5) of Item 9.3
• Follow (Step 1) to (Step 6) of Item 9.4
• Follow (Step 1) to (Step 5) of Item 9.11
• Follow (Step 1) to (Step 4) of Item 9.14
9.16.1. Disassembly of Rectifier Diode
(D5702)
46