Replacement Of Regulator Diode (D5802) - Panasonic SA-VK470EE Service Manual

SA-VK470EE
Special Note: Ensure pins of the regulator diode (D5801) are
properly seated and soldered on SMPS P.C.B.
9.26. Replacement of Regulator
Diode (D5802)
• • • • Follow (Step 1) to (Step 3) of Item 9.3.
• • • • Follow (Step 1) to (Step 8) of Item 9.13.
• • • • Follow (Step 1) to (Step 6) of Item 9.19.
• • • • Follow (Step 1) to (Step 4) of Item 9.22.
Step 1 Desolder pins of the regulator diode (D5802) on the
reverse side of SMPS P.C.B.
Step 2 Remove 1 screw from the regulator diode (D5802).
Step 3 Remove the regulator diode (D5802) from the heatsink
unit C.
Caution: Handle the heatsink unit C 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 20.5) for
location of the part.
9.26.1. Assembly of Regulator Diode
(D5802)
Step 1 Apply grease to the heatsink unit C.
Step 2 Fix and screw the regulator diode (D5802) to the
heatsink unit C.
Special Note: Ensure the regulator diode (D5802) is tightly
screwed to the heatsink unit C.
Step 3 Solder pins of the regulator diode (D5802) on the
reverse side of SMPS P.C.B.
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