Replacement Of Switching Regulator Ic (Ic5701) - Panasonic SA-VK880EE-K Service Manual

Step 4 Flip the SMPS P.C.B. and desolder 2 wires pins (red
and black).
Caution: During assembling, ensure that SMPS P.C.B. is
seated properly at the locators.
9.26. Replacement of Switching Reg-
ulator IC (IC5701)
• 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 9.25
9.26.1. Disassembly of Switching Regula-
tor IC (IC5701)
Step 1 Desolder pins of the switching regulator IC (IC5701) on
the solder side of SMPS P.C.B.
Step 2 Remove 1 screw from the Switch Regulator IC
(IC5701).
Step 3 Remove the Switch Regulator IC (IC5701).
Caution: During replacement of the part, avoid touching
the heatsink, it may lead to injuries.
9.26.2. Assembly of Switching Regulator
IC (IC5701)
80