Specifications

Step 8 Release the tab of the rear panel in the direction of
arrow.
Step 9 Remove SMPS, AC-Inlet & Voltage Selector P.C.B.
10.20. Replacement of Switch
Regulator IC/Diode
(IC5701/D5702)
· Follow (Step 1) to (Step 3) of Item 10.3.
· Follow (Step 1) to (Step 9) of Item 10.19.
Step 1 Desolder pins of the switch reguIator IC (IC5701) or
diode (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 10.19) for
location of the parts.
10.21. Replacement of Regulator
Diode (D5801/D5802)
· Follow (Step 1) to (Step 3) of Item 10.3.
· Follow (Step 1) to (Step 9) of Item 10.19.
Step 1 Desolder pins of the regulator diode (D5801/ D5802) on
the back side of SMPS P.C.B.
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SA-PT550GCP