81Step 1 Desolder pins of the Regulator Diode (D5802) on thesolder side of SMPS P.C.B..Step 2 Remove 1 screw.Step 3 Remove the Regulator Diode (D5802) from the HeatsinkUnit C.Caution: During replacement of the part, avoid touchingthe heatsink, it may lead to injuries.9.27.2. Assembly of Regulator Diode(D5802)Step 1 Apply grease to the Heatsink Unit C.Step 2 Mount & screw the Regulator Diode (D5802) to theHeatsink Unit C on SMPS P.C.B..Caution: Ensure the Regulator Diode (D5802) is well tight-ened to the heatsink unit C.Step 3 Solder pins of the Regulator Diode (D5802) on the sol-der side of SMPS P.C.B..Caution: Ensure pins of the Regulator Diode (D5802) isproperly seated and soldered on SMPS P.C.B.9.28. Replacement of RegulatorDiode (D5803)• Follow (Step 1) to (Step 5) of Item 9.3• Follow (Step 1) to (Step 7) of Item 9.4• Follow (Step 1) to (Step 5) of Item 9.19• Follow (Step 1) to (Step 5) of Item 9.239.28.1. Disassembly of Regulator Diode(D5803)Step 1 Desolder pins of the Regulator Diode (D5803) on thesolder side of SMPS P.C.B..