Replacement Of Rectifier Diode (D5702) - Panasonic SA-PT470EB Service Manual

location of the part.
9.21.2. Assembly of Switching Regulator
IC (IC5701)
Step 1 Apply grease to the heatsink unit B.
Step 2 Mount the switch regulator IC (IC5701) to the SMPS
P.C.B.
Caution: Ensure pins of the switching regulator IC (IC5701)
are properly seated and soldered on 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.
Special Note:
Step 4 Solder pins of the switch regulator IC (IC5701) on the
solder side of SMPS P.C.B.
9.22. Replacement of Rectifier Diode
(D5702)
9.22.1. Disassembly of Rectifier Diode
(D5702)
• Follow (Step 1) to (Step 3) of Item 9.3.
• Follow (Step 1) to (Step 10) of Item 9.6.
• Follow (Step 11) to (Step 13) of Item 9.12.
• Follow (Step 7) to (Step 7) of Item 9.19.
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.
Step 3 Remove 1 screw from the switching regulator IC
(IC5701).
Step 4 Remove the heatsink unit B with rectifier diode (D5702)
in the direction of arrows.
Step 5 Remove 1 screw from the rectifier diode. (D5702).
Step 6 Remove the rectifier diode (D5702) from the heatsink
unit B.
Caution: Handle the heatsink unit B with caution 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 18.5) for
location of the electrical components.
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