Methods to find faults in radio electronic facilities without using electronic circuits

The article provides search methods to find faults in radio electronic facilities generally because of hidden design troubles. The article contains review of frequently used methods to find troubles and defect elimination in radio electronic facilities without using schematic circuits. The main task of the article to find the most optimal method of represented. In introduction problems of radio electronic facilities state qualification, fault causes are formulated. Most important of them are showed and the ways and means of them are explained. Classification of nondestructive test methods of radio electronic facilities, description and physical principals are described in the article. In conclusion the reasonability and efficiency of these methods were resumed. The essence of the matter in the article means that it is impossible to use one multipurpose method to find all types of malfunctions.