Panasonic SA-VK680EE Service Manual

79Step 1 Desolder pins of the Rectifier Diode (D5702) on the sol-der side of SMPS P.C.B..Step 2 Desolder pins of the Heatsink Unit B.Step 3 Remove 1 screw from the Switching Regulator IC(IC5701).Step 4 Remove the Heatsink Unit B in the direction of arrowshown.Step 5 Remove 1 screw.Step 6 Remove the Rectifier Diode (D5702) from the HeatsinkUnit B.Caution: During replacement of the part, avoid touchingthe heatsink, it may lead to injuries.9.25.2. Assembly of Rectifier Diode(D5702)Step 1 Apply grease to the Heatsink Unit B.Step 2 Screw the Rectifier Diode (D5702) to the Heatsink UnitB..Caution: Ensure the Rectifier Diode (D5702) is well tight-ened to the Heatsink Unit B.Step 3 Mount the Heatsink Unit B & Rectifier Diode (D5702) onto SMPS P.C.B..Caution: Ensure pins of the Rectifier Diode (D5702) isproperly seated on SMPS P.C.B..Step 4 Screw the Switch Regulator IC (IC5701) to the HeatsinkUnit B.Caution: Ensure the Heatsink Unit B is properly seated onSMPS P.C.B.Step 5 Solder pins of the Rectifier Diode (D5702) on the solderside of SMPS P.C.B..