If you have got the wrong instruction guide then it will be worse for you. The majority of the people do not know what and how an SMPS works, so if you do not have a proper guide then you will surely face a huge lot of problems. You can search on Google as well and find for SMPS repair guide book. When you search in Google for the great guide book virtually the good books will be listed on top of the Google page.
It is available online and also in the form of a book. If you do not want to wait for the book you can purchase the online copy of the guide book and read it using any gadget or a desktop. If you go for YouTube videos or any other social media platforms then you will not get probably what you are looking for. Because when you do not know the basics, following the instructions will be very confusing. That is exactly what happens when you try to follow a video posted on YouTube about SMPS repair. It is good if you go with a repair guide book which is written in a step-by-step and understandable format. Following this will keep you at peace and make you an SMPS professional in the longer run.
The more the number of concepts the more the number of pictures that explain you with the concept. A great guide book comes with a support system like email support. Sometimes what happens is if you are a beginner even though you understand the entire book there are a few chances of your problem not mentioned in the book.
In such cases, you can surely write a mail and then the troubleshooting will be done by an expert and they will reply to you via email. If you are an absolute newbie to this subject then yes the email feature is of great help to you. There are amazing reviews about this feature on the website of this guide book. It has top-notch support and the guide book is extremely informative. It is one of the most recommended books for the repair of SMPS. A great book gives a step by step instructions on how to repair switch mode power supply. Follow the step by step process and you can repair even the most complex issues in SMPS.