Hi
I am repairing a SinusLive SLA1500. I arrive with the output in shorted. I replaced all 640n.
The amplifier turns on well and sounds good at low volume or minimum gain.
The problem is when I raise gain, the amplifier goes into protection. It does not matter if the load is connected or not, it enters protection in the same way.
Could it be that the drive board is in poor condition?
I am repairing a SinusLive SLA1500. I arrive with the output in shorted. I replaced all 640n.
The amplifier turns on well and sounds good at low volume or minimum gain.
The problem is when I raise gain, the amplifier goes into protection. It does not matter if the load is connected or not, it enters protection in the same way.
Could it be that the drive board is in poor condition?
Attachments
http://www.bcae1.com/temp/SLA1500.pdf
If it's the same as RT1 in the diagram above, I think it sets the bias point/threshold for the protection circuit. I don't have any information for what it's to be set to.
If it's the same as RT1 in the diagram above, I think it sets the bias point/threshold for the protection circuit. I don't have any information for what it's to be set to.
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