{"product_id":"rsm-vol-29-how-to-fix-an-intermittent-receiver","title":"RSM Vol 29 - How To Fix An Intermittent Receiver","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003e1947 training manual\u003c\/strong\u003e\u003cspan\u003e from the \u003c\/span\u003e\u003cstrong\u003eNational Radio Institute\u003c\/strong\u003e\u003cspan\u003e provides a comprehensive guide for technicians on diagnosing and repairing \u003c\/span\u003e\u003cstrong\u003eintermittent radio defects\u003c\/strong\u003e\u003cspan\u003e. The text defines these issues as \u003c\/span\u003e\u003cstrong\u003etemporary faults\u003c\/strong\u003e\u003cspan\u003e—such as noise, distortion, or total signal loss—that appear and disappear due to \u003c\/span\u003e\u003cstrong\u003ethermal expansion\u003c\/strong\u003e\u003cspan\u003e, mechanical vibrations, or faulty electrical components. To locate these elusive problems, the manual suggests the \u003c\/span\u003e\u003cstrong\u003e\"brute force\" method\u003c\/strong\u003e\u003cspan\u003e of physically jarring the chassis, as well as using \u003c\/span\u003e\u003cstrong\u003esignal tracers\u003c\/strong\u003e\u003cspan\u003e and voltmeters to monitor circuit stability. Detailed sections analyze how specific parts like \u003c\/span\u003e\u003cstrong\u003evacuum tubes\u003c\/strong\u003e\u003cspan\u003e, paper condensers, and resistors typically fail in an inconsistent manner. The guide also offers \u003c\/span\u003e\u003cstrong\u003epractical shop tips\u003c\/strong\u003e\u003cspan\u003e, such as using a cardboard box to trap heat and force a failure to occur more quickly for testing. Throughout the booklet, \u003c\/span\u003e\u003cstrong\u003ediagnostic tables\u003c\/strong\u003e\u003cspan\u003e help repairmen correlate specific symptoms with their most likely internal causes.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Retro Radio Shop","offers":[{"title":"Default Title","offer_id":46072593678524,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2932\/5866\/files\/ARRA-1_ff01b2a7-7513-4a66-81da-b7047501d369.png?v=1773856900","url":"https:\/\/www.retroradioshop.com\/products\/rsm-vol-29-how-to-fix-an-intermittent-receiver","provider":"Retro Radio Shop","version":"1.0","type":"link"}