Own strength fix navigator

Supposably, you was navigator. Served it to you so to speak faithfully more years. Here unexpectedly bam - and it fails. How to Apply in this situation? In general, this devoted article.
So, if you still decided their hands do fix, then in the first instance necessary learn how do repair navigator. For it one may use any finder, eg, yandex or mail.ru, or look archive numbers magazines "Home workshop", "Model Construction" and etc., or ask a Question on community.
I hope you do not vain spent time and this article least something help you repair navigator.