Replacement Of Regulator Diode (D5801/D5802) - Panasonic SA-PT250GCP Service Manual

Step 9 Remove SMPS, AC-Inlet & Voltage Selector P.C.B.
9.18. Replacement of Switch
Regulator IC/Diode
(IC5701/D5702)
· Follow (Step 1) to (Step 3) of Item 9.3.
· Follow (Step 1) to (Step 9) of Item 9.17.
Step 1 Desolder pins of the switch reguIator IC or diode
(IC5701/D5702) on the back side of SMPS P.C.B.
Step 2 Remove 1 screw from the switch regulator IC (IC5701)
or diode (D5702).
Step 3 Remove the switch regulator IC (IC5701) or diode
(D5702) from the heatsink unit B.
Caution : Handle the heatsink unit B 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 9.17) for
location of the parts.
9.19. Replacement of Regulator
Diode (D5801/D5802)
· Follow (Step 1) to (Step 3) of Item 9.3.
· Follow (Step 1) to (Step 9) of Item 9.17.
Step 1 Desolder pins of the regulator diode (D5801/D5802) on
the back side of SMPS P.C.B.
Step 2 Remove 1
(D5801/D5802)
Step 3 Remove the regulator diode (D5801/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.
45
screw from the regulator
SA-PT250GCP
diode.