Step 1: Check both the Amplifier P.C.B. and AC Inlet P.C.B..
7.2.7. Disassembly and checking of the Power P.C.B. and Transformer P.C.B.
Follow Step (1) to Step (5) described in section 7.2.4.
Follow Step (1) to Step (3) described in section 7.2.5.
Step 1 & 2: Remove the 4 screws.
Step 3: Flip the Power P.C.B. as shown for checking both Power P.C.B. and Transformer P.C.B.
7.2.8. Replacement of Power ICs and Transistor
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