The boards are easy to work.
The shields are different and should be installed with the full covered one on the right. As looking at the set.
What transistor is causing the issue?
Some will use freeze spray. Others will replace one at a time. Or you can replace all of them.
Any method will require setting the amps Bias and offset.
And it's good practice to balance the amp by matching the same components on the other channel.
If a transistor is acting up, it's likely the others came from the same batch and the issue will come up again sooner or later.
A start would be to eliminate any cold solder connections on the board. Reflow all of them.
The shields are different and should be installed with the full covered one on the right. As looking at the set.
What transistor is causing the issue?
Some will use freeze spray. Others will replace one at a time. Or you can replace all of them.
Any method will require setting the amps Bias and offset.
And it's good practice to balance the amp by matching the same components on the other channel.
If a transistor is acting up, it's likely the others came from the same batch and the issue will come up again sooner or later.
A start would be to eliminate any cold solder connections on the board. Reflow all of them.
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