Disassembly Of Smps; Replacement Of Switch Regulator Ic (Ic5701) - Panasonic SA-VK960GC Service Manual

SA-VK960GC / SA-VK960GCS / SA-VK960GCT / SA-VK960GS
Step 2 Remove the heatsink clip A by releasing its claws in the
direction of arrows.
Step 3 Remove the Digital Amp IC (IC5100) from the heat sink
power unit.
Caution : Handle the heat sink power unit with caution due
to its high temperature after prolonged use. Touching it
may lead to injuries.
Note: For replacement of other digital amp IC (IC5200/IC5300/
IC5400), repeat the (Step 1) to (Step 3). Refer to diagrams of
D-Amp P.C.B. (Section 10.19) for the location of the parts.
10.21. Disassembly of SMPS P.C.B.
• • • • Follow (Step 1) to (Step 5) of Item 10.3.
• • • • Follow (Step 1) to (Step 4) of Item 10.4.
• • • • Follow (Step 1) to (Step 6) of Item 10.8.
Step 1 Remove 3 screws at the rear panel. (For GCS/GCT/GS)
Step 1 Remove 1 screw at the rear panel. (For GC only)
Step 2 Remove 2 screws from SMPS P.C.B.
Step 3 Detach cables from the connectors (CN5502) on D-Amp
P.C.B and (CNP5904) on SMPS P.C.B.
Step 4 Remove SMPS P.C.B.
10.22. Replacement of Switch
Regulator IC (IC5701)
• • • • Follow (Step 1) to (Step 5) of Item 10.3.
• • • • Follow (Step 1) to (Step 4) of Item 10.4.
• • • • Follow (Step 1) to (Step 6) of Item 10.8.
• • • • Follow (Step 1) to (Step 4) of Item 10.21.
Step 1 Desolder pins of the switch regulator IC (IC5701) at the
reverse side of SMPS P.C.B.
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