Replacement Of Regulator Diodes (D5801 & D5802); Replacement Of Regulator Diode (D5803) - Panasonic SA-PT550E Service Manual

Note : Refer to the diagrams of SMPS P.C.B. (Item 10.18) for
location of the parts.
10.20. Replacement of Regulator
Diodes (D5801 & D5802)
· Follow (Step 1) to (Step 3) of Item 10.3.
· Follow (Step 1) to (Step 8) of Item 10.18.
Step 1 Desolder pins of the regulator diodes (D5801 & D5802)
on the back side of SMPS P.C.B.
Step 2 Remove 1 screw from each of the regulator diode.
Step 3 Remove the regulator diodes (D2801 & 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 10.18) for
location of the parts.
10.21. Replacement of Regulator
Diode (D5803)
· Follow (Step 1) to (Step 3) of Item 10.3.
· Follow (Step 1) to (Step 8) of Item 10.18.
Step 1 Desolder pins of the regulator diode (D5803) on the
back side of SMPS P.C.B.
Step 2 Remove 1 screw from the regulator diode (D5803).
Step 3 Remove the regulator diode (D2803) from the small
heatsink .
Caution : Handle the small heatsink with caution due to its high
temperature after prolonged use. Touching it may lead to
injuries.
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SA-PT550E / SA-PT550EB / SA-PT550EG