Dead InterM MA-930 PA Amplifier Repair - Can we find all the faulty components?

A Customer brought me a dead Power Amplifier, I need to fix it but I have to be sure I found all of the faulty components to make sure it doesn't just go BANG again.

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Equipment used in my videos. These are affiliate links, you pay the normal price and I make a small commission.

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Aneng AN870 (Same as Zoyi ZT219)
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Richard