Replacement Of Regulator Ic (Ic2903); Disassembly Of D-Amp - Panasonic SA-PT550E Service Manual

SA-PT550E / SA-PT550EB / SA-PT550EG
Step 3 Remove 4 screws from Main P.C.B.
Step 4 Remove 8 screws from the rear panel.
Step 5 Release the tab of the rear panel in the direction of
arrow.
Step 6 Remove Main P.C.B.
10.15. Replacement of Regulator IC
(IC2903)
· Follow (Step 1) to (Step 3) of Item 10.3.
· Follow (Step 1) to (Step 6) of Item 10.14.
Step 1 Desolder pins of the regulator IC (IC2903) on the back
side of Main P.C.B.
Step 2 Remove 1 screw from the regulator IC (IC2903).
Step 3 Remove the regulator IC (IC2903) from the heatsink
extrussion.
Caution : Handle the heatsink extrussion with caution due to its
high temperature after prolonged use. Touching it may lead to
injuries.
Note: Refer to the diagrams of Main P.C.B. (Item 10.14) for the
location of the part.
10.16. Disassembly of D-Amp P.C.B.
· Follow (Step 1) to (Step 3) of Item 10.3.
· Disassembly of D-Amp P.C.B. Bracket.
Step 1 Remove 1 screw from AC-Inlet P.C.B.
Step 2 Remove the D-Amp P.C.B. bracket.
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