Replacement Of Regulator Diode (D5802) - Panasonic SA-VK680PU Service Manual

Caution: Ensure pins of the Regulator Diode (D5801) is
properly seated and soldered on SMPS P.C.B.
9.27. Replacement of Regulator
Diode (D5802)
• Follow (Step 1) to (Step 5) of Item 9.3
• Follow (Step 1) to (Step 7) of Item 9.4
• Follow (Step 1) to (Step 5) of Item 9.19
• Follow (Step 1) to (Step 5) of Item 9.23
9.27.1. Disassembly of Regulator Diode
(D5802)
Step 1 Desolder pins of the Regulator Diode (D5802) on the
solder side of SMPS P.C.B..
Step 2 Remove 1 screw.
Step 3 Remove the Regulator Diode (D5802) from the Heatsink
Unit C.
Caution: During replacement of the part, avoid touching
the heatsink, it may lead to injuries.
9.27.2. Assembly of Regulator Diode
(D5802)
Step 1 Apply grease to the Heatsink Unit C.
Step 2 Mount & screw the Regulator Diode (D5802) to the
Heatsink Unit C on SMPS P.C.B..
Caution: Ensure the Regulator Diode (D5802) is well tight-
ened to the heatsink unit C.
Step 3 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) is
properly seated and soldered on SMPS P.C.B.
9.28. Replacement of Regulator
Diode (D5803)
• Follow (Step 1) to (Step 5) of Item 9.3
• Follow (Step 1) to (Step 7) of Item 9.4
• Follow (Step 1) to (Step 5) of Item 9.19
• Follow (Step 1) to (Step 5) of Item 9.23
9.28.1. Disassembly of Regulator Diode
(D5803)
82