If so it is frequently better to just replace the SMPS.
Troubleshooting a transformer. A transformer that smells burned may have shorted turns. Once the Transformer has been released disconnect it from the Amplifier. As discussed before checking your transformer wires can be a part of troubleshooting and proper maintenance.
In this video we will see How to test a Transformer with a digital multimeter. Check the secondary voltage. Low-voltage transformers do not wear out.
Other visual indicators include burned black resistors and components that smell burned particularly the transformer. The most common problem you can troubleshoot here is to check the transformer to see if a portion has been tripped to OFF without your knowledge. Test the input with your DMM.
This voltage should be between 126 volts and 17 volts DC depending on the charger model. If you know of any other way that could cause a transformer to burn please share your comment -thanks. If a wire is worn or even torn you can replace it.
This article will show you how to test a transformer. A power transformer requires various routine maintenance. Both are good indicators that you should check power quality.
Although it may sound obvious the troubleshooting of a dead supply starts by looking at the mains fuse. Transformers are usually connected to a receptacle outside the house. Apr 3 2013.

