This is the Service Manual for the DX-100 All Band Communication Receiver Made By Radio Shack in the Late 70's and Early 80's, The manuals are getting hard to find. Most of the Radios that are bought at E-bay and auction sites, Don't Always come with the Owners or the Service Manual.The Manual is needed to do troubleshooting and Repair of the Radio when it won't work anymore. This 28 page Manual is very easy to to follow in Doing any repair and looking up parts for replacements. Here are the item covered in this service Manual: Specifacations Block diagram Dial Stringing Diagrams Alignment Instructions Equipment Connections Troubleshooting Chart IC & Transistor Lead Identifications Printed Circuit board (Top & Bottom Views) Wiring Diagrams Electrical Parts List Exploded View Parts List Schematic Diagram Exploded View/Disassembly Instructions I also have the owners Manual for this Radio. If you need any Manuals for the Radio Shack DX-100,DX-150,A,B -DX-160, DX-300, DX-394,SX-190,AX-190 , Then you need to goto this website: dxcorner.s5.com You will find my items of interest to the Ham/Shortwave Listner. Payment: I take Paypal, U.S.P.S. Money order ONLY- No CHECKS. Takes to Long and been BURNT to Many TIMES... E-Mail Me with you method of Payment,Address,Zip, And a good E-mail Address. I send out the Manual in Adobe Acrobat (PDF) Format and That will Save you time and Postage and you will get it on arrival of payment.I will E-Mail you my PAYPAL Account/or my Address when you e-mail me the method of Payment. This ad has had 382,769 displays and 12,478 readers