Replacement Of Regulator Diode (D5801) - Panasonic SA-VK880EE-K Service Manual

Caution: During replacement of the part, avoid touching
the heatsink, it may lead to injuries.
9.27.2. Assembly of Rectifier Diode
(D5702)
Step 1 Apply grease to the Heatsink Unit B.
Step 2 Screw the Rectifier Diode (D5702) to the Heatsink Unit
B..
Caution: Ensure the Rectifier Diode (D5702) is well tight-
ened to the Heatsink Unit B.
Step 3 Mount the Heatsink Unit B & Rectifier Diode (D5702) on
to SMPS P.C.B..
Caution: Ensure pins of the Rectifier Diode (D5702) is
properly seated on SMPS P.C.B..
Step 4 Screw the Switch Regulator IC (IC5701) to the Heatsink
Unit B.
Caution: Ensure the Heatsink Unit B is properly seated on
SMPS P.C.B.
Step 5 Solder pins of the Rectifier Diode (D5702) on the solder
side of SMPS P.C.B..
Step 6 Solder pins of the Heatsink Unit B on the solder side of
SMPS P.C.B..
9.28. Replacement of Regulator
Diode (D5801)
• 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 9.25
9.28.1. Disassembly of Regulator Diode
(D5801)
Step 1 Desolder pins of the Regulator Diode (D5801) on the
solder side of SMPS P.C.B.
Step 2 Remove 1 screw.
Step 3 Remove the Regulator Diode (D5801).
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