Note : Refer to the diagrams of Main P.C.B. (Item 10.15.) forlocation of the part.10.17. Disassembly of SMPS & AC-Inlet P.C.B.•••• Follow (Step 1) to (Step 3) of Item 10.3.•••• Follow (Step 1) to (Step 3) of Item 10.4.•••• Follow (Step 1) to (Step 4) of Item 10.5.•••• Follow (Step 1) to (Step 4) of Item 10.7.Step 1 Detach FFC cable from the connectors (CN5801 &CN5802) on SMPS P.C.B.Step 2 Release the lead clamper.Step 3 Remove 2 screws from AC-Inlet P.C.B. & 4 screws fromSMPS P.C.B.Step 4 Remove the P.C.B. bracket.Step 5 Remove 1 screw from the rear panel.Step 6 Release the tab in the direction of arrow.Step 7 Remove SMPS & AC-Inlet P.C.B.Caution: Be careful of power heatsinks located on D-AmpP.C.B., which has high temperature after prolonged use,when removing it.10.18. Disassembly of SwitchRegulator IC (IC5701)•••• Follow (Step 1) to (Step 3) of Item 10.3.•••• Follow (Step 1) to (Step 3) of Item 10.4.•••• Follow (Step 1) to (Step 4) of Item 10.5.•••• Follow (Step 1) to (Step 4) of Item 10.7.•••• Follow (Step 1) to (Step 7) of Item 10.17.Step 1 Desolder pins of the switch regulator IC (IC5701) on theback side of SMPS P.C.B.58SA-PT750PL