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Includes foreword context on reliable communications for amateur radio operators, plus assistance information and global model-number differences for the Australia/France versions (#03) versus other regions (#02). Provides structured references to specifications, views, block diagram, circuit descriptions, disassembly/assembly diagrams, maintenance and adjustment, board layouts, and voltage/circuit diagrams for servicing.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/hf-all-band-transceiver-general-coverage-receiver-service-manual/563114/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/hf-all-band-transceiver-general-coverage-receiver-service-manual/563114.png","ImageObject",300,407,{"name":92,"@type":93},"moss~","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-20","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the IC-751A designed to do?","Question",{"text":112,"@type":113},"The IC-751A functions as a sophisticated HF multi-mode transceiver and as an all-purpose general coverage receiver for reliable amateur communications.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How do the model numbers differ by region?",{"text":117,"@type":113},"Australia and France versions are assigned model #03. All other parts of the world use model #02 for identifying assistance or information.",{"name":119,"@type":110,"acceptedAnswer":120},"Where can service assistance information be found?",{"text":121,"@type":113},"Authorized ICOM dealers or ICOM service centers can provide help, and service manual addresses are provided on the title page.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},563114,1791835140,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},962090895452,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","ICOMAMERICA,INC.,2380116th Avenue NE.Bellevue,WA.98004Phone:(206)454-8155  \nTelex:230-1522101COMAMER BVUEFax:(206)454-1509  \n3150 Premier Dr,Suite 126,  \nInving TX75063  \nPhone(214)550-7525  \nFax:(214)550-7423  \n1777 Phoenix Parkway,Suite 201,Atianta,GA 30349Phone:(404)991-6166  \nICOM CANADA,LTD,  \n3071-\\#5 Road,Unit 9,  \nRichmond,B.C,  \nV6X 2T4 Canada  \nPhone:(604)273-7400  \nFax:(604)273-1900  \n# HF ALL BAND TRANSCEIVERGENERAL COVERAGE RECEIVER\n\nSERVICE MANUAL  \nICOM INCORPORATED  \n1-6-19,Kamikuratsukuri,Hirano-ku,Osaka 547,JapanPhone:(06)793-5301Telex;ICOM TR J63649  \n1COM (EUROPE)GmbH,  \nHimmelgeister Strasse 100,  \n4000 Düsseldorf 1,  \nWest Germany  \nPhone:0211-346047  \nTelex:41-85880821COMD  \nFax:0211-333639  \nICOMAUSTRALIA,PTY.,LTD.7 Duke Street,Windsor 3181,Victoria,AustraliaPhone:(03)529-7582Telex:71-35521 JCOMASFax:(03)529-8485  \n\n| Downloaded by□  \u003Cbr>Amateur Radio Directory□  \u003Cbr>www.hamdirectory.info   |\n| --- |\n\n## FOREWORD\n\nThank you very much for selecting ICOM's versatile IC-751A HF transceiver,a refined  \nversion of the very popular IC-751.  \nDoubling as both a sophisticated HF multi-mode transceiver and all-purpose generalcoverage receiver,the IC-751A is the result of advanced HF engineering at ICOM andwas designed to ensure years of reliable and satisfactory communications for the avidAmateur Radio enthusiast.  \n## ASSISTANCE\n\nTheIC-751A was designed to be used all over the world,with some slight modificationsmade for its use in Australia and France.The Australia and France versions of theIC-751A are assigned model\\#03.This number should be referred to in these countrieswhen assistance or information regarding the IC-751A is required.The assignedIC-751A model number for all other parts of the world is \\#02.  \nFeel free to contact your nearest authorized ICOM Dealeror ICOM Service Center ifyourequire assistance or information regarding the operation or capabilities of your newIC-751A.Addresses are provided on the title page of this service manual.  \nSECTION  \nSECTION  \nSECTION  \nSECTION  \nSECTION  \nSECTION  \nSECTION  \nTABLE OF CONTENTS  \n1 SPECIFICATIONS ………………………………………………………………………………………………………………1-1～2  \n1-1 GENERAL…………………………………………………………………………………………………………………………1-1  \n1-2 TRANSMITTER ………………………………………………………………………………………………………………………1-1  \n1-3 RECEIVER…………………………………………………………………………………………………………………1-2  \n2 OUTSIDE AND INSIDE VIEWS………………………………………………………………………………………2-1～5  \n2-1 FRONT PANEL ……………………………………………………………………………………………………………………………2—1  \n2-2 DISPLAY …………………………………………………………………………………………………………………………………………2—2  \n2-3 TOP PANEL…………………………………………………………………………………………………………………2—2  \n2-4 REAR PANEL………………………………………………………………………………………………………………………………2-2  \n2-5 MAIN UNIT …………………………………………………………………………………………………………………………………2—3  \n2-6 LOGIC AND PLL UNITS …………………………………………………………………………………………………2-4  \n2-7 RF UNIT …………………………………………………………………………………………………………………………………………2-5  \n2-8 PA UNIT …………………………………………………………………………………………………………………………………………2-5  \n3 BLOCK DIAGRAM………………………………………………………………………………………………………………3-1  \n4 CIRCUIT DESCRIPTION………………………………………………………………………………………4-1～20  \n4-1 RECEIVER CIRCUITS…………………………………………………………………………………………………………………4—1  \n4-2 TRANSMITTER CIRCUITS …………………………………………………………………………………………………4—4  \n4-3 POWER SUPPLY CIRCUITS………………………………………………………………………………………………4-8  \n4-4 PLL CIRCUITS………………………………………………………………………………………………………………………………4-8  \n4-5 LOGIC UNIT …………………………………………………………………………………………………………………………………4-12  \n4-6 DISPLAY UNIT………………………………………………………………………………………………………………………………4—18  \n4-7 OTHER CIRCUITS………………………………………………………………………………………………………………………4—19  \n5 DISASSEMBLY AND ASSEMBLY DIAGRAMS………………………………………………………5-1～10  \n5-1 FRAME DISASSEMBLY…………………………………………………………………………………………………………5—1  \n5-2 FRONT PANEL(1)DISASSEMBLY …………………………………………………………………………………………5—2  \n5-3 FRONT PANEL(2) DISASSEMBLY …………………………………………………………………………………………5—3  \n5-4 FRONT PANEL(3) DISASSEMBLY …………………………………………………………………………………………5-4  \n5-5 REAR PANEL DISASSEMBLY……………………………………………………………………………………………………5-5  \n5-6 FRONT U","cbCaivELvp9DUYZE","https://ap.wps.com/l/cbCaivELvp9DUYZE","pdf",31666187,150,"English","# FOREWORD\n# ASSISTANCE\n# TABLE OF CONTENTS\n## 1 SPECIFICATIONS\n## 2 OUTSIDE AND INSIDE VIEWS\n## 3 BLOCK DIAGRAM\n## 4 CIRCUIT DESCRIPTION\n## 5 DISASSEMBLY AND ASSEMBLY DIAGRAMS\n## 6 MAINTENANCE AND ADJUSTMENT\n## 7 BOARD LAYOUTS\n## 8 VOLTAGE/CIRCUIT DIAGRAMS","[{\"question\":\"What is the IC-751A designed to do?\",\"answer\":\"The IC-751A functions as a sophisticated HF multi-mode transceiver and as an all-purpose general coverage receiver for reliable amateur communications.\"},{\"question\":\"How do the model numbers differ by region?\",\"answer\":\"Australia and France versions are assigned model #03. All other parts of the world use model #02 for identifying assistance or information.\"},{\"question\":\"Where can service assistance information be found?\",\"answer\":\"Authorized ICOM dealers or ICOM service centers can provide help, and service manual addresses are provided on the title page.\"}]","HF ALL BAND TRANSCEIVER - General Coverage Receiver - Service Manual | PDF",1791810638,378]