Replacement Of Switching Regulator Ic (Ic5701) - Panasonic SA-BT222EB Service Manual

Caution: During releasing P.C.B. Spacer, as it may lead to
electric shock or injuries due to high temperature avoid
touching surrounding electrical parts.
Step 9 Lift up SMPS P.C.B..
Step 10 Upset the SMPS P.C.B. according to diagram shown.
Step 11 Desolder Black Wire (TL21) and Red Wire (TL11) on
solder side of SMPS P.C.B..
Step 12 Remove SMPS P.C.B..
10.21. Replacement of Switching Reg-
ulator IC (IC5701)
• Refer to "Disassembly of SMPS P.C.B.".
10.21.1. 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..
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