Replacement Of Regulator Diode (D5803) - Panasonic SA-PT480PH Service Manual

Step 2 Remove 1 screw from the Regulator Diode (D5802).
Step 3 Remove the Regulator Diode (D5802) from the SMPS
P.C.B..
Caution: Avoid touching the Heatsink Unit A 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 electrical components.
8.25.2. Assembly
(D5802)
Step 1 Apply grease to the Heatsink Unit A.
Step 2 Fix the Regulator Diode (D5802) on SMPS P.C.B..
Caution: Ensure pins of the Regulator Diode (D5802) are
properly seated on SMPS P.C.B..
Step 3 Fix and screw the Regulator Diode (D5802) to the Heat-
sink Unit A.
of Regulator Diode
Caution: Ensure the Regulator Diode (D5802) is tightly
screwed to the Heatsink Unit A.
Step 4 Solder pins of the Regulator Diode (D5802) on the sol-
der side of SMPS P.C.B..
Caution: Ensure pins of the Regulator Diode (D5802) are
properly seated and soldered on SMPS P.C.B..
8.26. Replacement
Diode (D5803)
• Refer to "Disassembly of SMPS P.C.B."
8.26.1. Disassembly of Regulator Diode
(D5803)
Step 1 Desolder pins of the Regulator Diode (D5803) on the
solder side of SMPS P.C.B..
70
of Regulator