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Hi,I am repairing an audio power amplifier…I don’t see any damaged parts but the light bulb indicates that it has a big short circuit…its peavey cs 2000 power amplifier

pls help

Make, model and a few pictures of the boards inside would help. You give us little to go on here. In general, with a direct short like this, look at the bridge rectifier being shorted (if there is one) or if this has a switching power supply, check the main transistor (should be on a heatsink). Update this with the above info and we should be able to provide more detailed suggestions.