{"product_id":"rsm-vol-31-how-to-service-three-way-portable-and-battery-receivers","title":"RSM Vol 31 - How To Service Three-Way Portable and Battery Receivers","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003etechnical manual\u003c\/strong\u003e\u003cspan\u003e from the \u003c\/span\u003e\u003cstrong\u003eNational Radio Institute\u003c\/strong\u003e\u003cspan\u003e provides comprehensive instructions on maintaining and repairing \u003c\/span\u003e\u003cstrong\u003ethree-way portable and battery-operated receivers\u003c\/strong\u003e\u003cspan\u003e. Published in \u003c\/span\u003e\u003cstrong\u003e1948\u003c\/strong\u003e\u003cspan\u003e, the text explains the mechanical differences between devices that run on \u003c\/span\u003e\u003cstrong\u003ealternating current\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003edirect current\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003einternal batteries\u003c\/strong\u003e\u003cspan\u003e. It details the \u003c\/span\u003e\u003cstrong\u003ecircuitry requirements\u003c\/strong\u003e\u003cspan\u003e for low-voltage vacuum tubes and offers \u003c\/span\u003e\u003cstrong\u003etroubleshooting strategies\u003c\/strong\u003e\u003cspan\u003e for common issues like oscillator failure and power supply defects. Readers are guided through \u003c\/span\u003e\u003cstrong\u003eschematic diagrams\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003ediagnostic procedures\u003c\/strong\u003e\u003cspan\u003e to identify whether malfunctions originate in the power lines or the battery cells. Ultimately, the guide serves as a \u003c\/span\u003e\u003cstrong\u003eprofessional training resource\u003c\/strong\u003e\u003cspan\u003e for technicians aiming to master the complexities of mid-century \u003c\/span\u003e\u003cstrong\u003emobile radio technology\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Retro Radio Shop","offers":[{"title":"Default Title","offer_id":46072596496572,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2932\/5866\/files\/ARRA-1_2717a950-faa4-4ac6-9a6a-00fd02978a34.png?v=1773856954","url":"https:\/\/www.retroradioshop.com\/products\/rsm-vol-31-how-to-service-three-way-portable-and-battery-receivers","provider":"Retro Radio Shop","version":"1.0","type":"link"}