Replacement Of Regulator Diode (D5801) - Panasonic SA-PT460 Service Manual

heatsink unit B.
Special Note: Ensure the switch regulator diode (D5702) is
tightly screwed to the heatsink unit B.
Step 3 Fix the heatsink unit B on SMPS P.C.B. in the direction
of arrows.
Step 4 Fix and screw the switch regulator IC (IC5701) to the
heatsink unit B
Special Note: Ensure the heatsink unit B is properly seated on
SMPS P.C.B.
Step 5 Solder pins of the switch regulator diode (D5702) on the
reverse side of SMPS P.C.B.
Step 6 Solder pins of the heatsink unit B on the reverse side of
SMPS P.C.B.
Special Note: Ensure pins of the switch regulator diode
(D5702) are properly seated and soldered on SMPS P.C.B.
9.24. Replacement of Regulator
Diode (D5801)
• • • • Follow (Step 1) to (Step 3) of Item 9.3.
• • • • Follow (Step 1) to (Step 7) of Item 9.15.
• • • • Follow (Step 1) to (Step 6) of Item 9.21.
Step 1 Desolder pins of the regulator diode (D5801) on the
reverse side of SMPS P.C.B.
Step 2 Remove 1 screw from the regulator diode (D5801).
Step 3 Remove the regulator diode (D5801) 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.
9.24.1. Assembly of Regulator Diode
(D5801)
Step 1 Apply grease to the heatsink unit C.
Step 2 Fix and screw the regulator diode (D5801) to the
heatsink unit C.
Special Note: Ensure the regulator diode (D5801) is tightly
screwed to the heatsink unit C.
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SA-PT460EB / SA-PT460EG