Step 3 Lift up Power P.C.B. as arrow shown.
17.5.3. Disassembly of Power Supply
P.C.B.
Step 1 Remove the 2 screws at heat sink.
Step 2 Remove the 2 screws.
·
Replacement of Power Amp IC
Step 1 Remove 2 screws fixed to the Power Amplifier IC.
Step 2 Remove 2 screws fixed to the Power Amplifier IC
and Voltage Regulator.
Step 3 Break the joint with a metal cutter as shown below.
Step 4 Unsolder the terminals of Power Amp IC, replace
the component.
Step 5 Fix back the bottom chasis with a screw as shown.
NOTE:
37
SA-VK81DGCS / SA-VK81DGCP
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