Schematics, Service manual, or circuit diagram
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41 Johnson models listed


Model
Click to Order!
Year Book/
Source
File Type/
Volume
Page/
Ext
Preview/Status
Johnson 1000W-FileJohnson-Killowatt
_Desk 1kW_1kW PA
_1000W.PA
RadiopdfJohnson 1000W schematic circuit diagram
Johnson 1181947SM28Radio27Johnson 118 schematic circuit diagram
Johnson 1kW PA-FileJohnson-Killowatt
_Desk 1kW_1kW PA
_1000W.PA
RadiopdfJohnson 1kW PA schematic circuit diagram
Johnson 2000W PA-FileJohnson-Viking Thunderbolt
_2kW PA_2000W PA
.PA
RadiopdfJohnson 2000W PA schematic circuit diagram
Johnson 240 305 2-FileJohnson-Viking SSB
adapter_240 305
2
FilepdfJohnson 240 305 2 schematic circuit diagram
Johnson 2421261961SM527Radio13Johnson 242126 schematic circuit diagram
Johnson 2421271961SM527Radio13Johnson 242127 schematic circuit diagram
Johnson 2421281961SM527Radio13Johnson 242128 schematic circuit diagram
Johnson 2421291961SM527Radio13Johnson 242129 schematic circuit diagram
Johnson 2kW PA-FileJohnson-Viking Thunderbolt
_2kW PA_2000W PA
.PA
RadiopdfJohnson 2kW PA schematic circuit diagram
Johnson 85ES1959SM449Radio18Johnson 85ES schematic circuit diagram
Johnson 85ESQ1959SM449Radio18Johnson 85ESQ schematic circuit diagram
Johnson 85Q1959SM449Radio18Johnson 85Q schematic circuit diagram
Johnson 85R1959SM449Radio18Johnson 85R schematic circuit diagram
Johnson 85RQ1959SM449Radio18Johnson 85RQ schematic circuit diagram
Johnson Adventurer-FileJohnson-Viking Adventurer
_Adventurer.PA
RadiopdfJohnson Adventurer schematic circuit diagram
Johnson B211962SM579Radio15Johnson B21 schematic circuit diagram
Johnson Desk 1kW-FileJohnson-Killowatt
_Desk 1kW_1kW PA
_1000W.PA
RadiopdfJohnson Desk 1kW schematic circuit diagram
Johnson FF75 ;Series1957SM344Radio15Johnson FF75 ;Series schematic circuit diagram
Johnson Killowatt-FileJohnson-Killowatt
_Desk 1kW_1kW PA
_1000W.PA
RadiopdfJohnson Killowatt schematic circuit diagram
Johnson PB601957SM344Radio15Johnson PB60 schematic circuit diagram
Johnson Ranger-FileJohnson-Ranger.TXRadiopdfJohnson Ranger schematic circuit diagram
Johnson RP611957SM344Radio15Johnson RP61 schematic circuit diagram
Johnson RP61B1959SM449Radio18Johnson RP61B schematic circuit diagram
Johnson RP61BVU1962SM594Radio16Johnson RP61BVU schematic circuit diagram
Johnson RP61C1962SM593Radio12Johnson RP61C schematic circuit diagram
Johnson RP61S1959SM451Radio18Johnson RP61S schematic circuit diagram
Johnson RP621959SM449Radio18Johnson RP62 schematic circuit diagram
Johnson RP62BVU1962SM594Radio16Johnson RP62BVU schematic circuit diagram
Johnson RP62C1962SM593Radio12Johnson RP62C schematic circuit diagram
Johnson RP631962SM593Radio12Johnson RP63 schematic circuit diagram
Johnson SA761962SM579Radio15Johnson SA76 schematic circuit diagram
Johnson Transmit Receive Switch-FileJohnson-Transmit
Receive Switch
_TX RX Switch_ T
R Switch
FilepdfJohnson Transmit Receive Switch schematic circuit diagram
Johnson T R Switch-FileJohnson-Transmit
Receive Switch
_TX RX Switch_ T
R Switch
FilepdfJohnson  T R Switch schematic circuit diagram
Johnson TX RX Switch-FileJohnson-Transmit
Receive Switch
_TX RX Switch_ T
R Switch
FilepdfJohnson TX RX Switch schematic circuit diagram
Johnson Valiant-FileJohnson-Valiant.TXRadiopdfJohnson Valiant schematic circuit diagram
Johnson Viking 2-FileJohnson-Viking 2
.TX
RadiopdfJohnson Viking 2 schematic circuit diagram
Johnson Viking Adventurer-FileJohnson-Viking Adventurer
_Adventurer.PA
RadiopdfJohnson Viking Adventurer schematic circuit diagram
Johnson Viking Messenger1961SM527Radio13Johnson Viking Messenger schematic circuit diagram
Johnson Viking SSB adapter-FileJohnson-Viking SSB
adapter_240 305
2
FilepdfJohnson Viking SSB adapter schematic circuit diagram
Johnson Viking Thunderbolt-FileJohnson-Viking Thunderbolt
_2kW PA_2000W PA
.PA
RadiopdfJohnson Viking Thunderbolt schematic circuit diagram

These radio, TV, record player, amplifier, amp and tape or cassette recorder schematics, circuit diagrams and service manuals are mostly high quality, very readable scans and will usually be Emailed within an hour or two, if I need to scan an item, or it's the middle of the night, here in the UK it is 02:00 it may take a little longer! If more than one schematic is listed for a model I will generally send them all, unless too big to attach!
Specialising in British schematics Roberts, Hacker, Bush, Pye etc. also American and German manuals feature strongly, search for what you need. Multi page manuals are Emailed as pdfs. Please Email or phone 0788 4425213 Thanks for looking, Mike.
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90V/1.4V Battery Eliminator

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Fill in the "Make" and "Model" boxes, if you are unsure of the model, leave it blank and I will list ALL models for that manufacturer, similarly if you only have the model number leave "Make" blank and I will list similar model names from ALL manufacturers.
More explanation here. Some sources searched :-
Book Set KEY Years
J.F. Rider's Perpetual Rider 1920-54
Trader Service sheets Trader 1933-81
Beitman's Radio Diags Beitman 1926-69
Beitman's TV Diagrams Beitman 1947-70
Gernsback Radio Diags. Gernsback 1922-34
Empfanger Schaltungen ES 1928-57
RCA Service Notes RCASN 1923-52
Broadcaster Supplements Broadcaster 1934-42
Radio and TV 36 vol set RTV 1945-86
Radio and TV 5 vol set RTV5 1945-54
Crosley Service Suppls. Crosley 1929-42
My Pre-scanned Files File =>2021
The search logic is slightly "fuzzy" in that it's case insensitive and ignores punctuation so, model TR-510 is the same as tr510, and G.E.C is the same as "gec".

(292048 schematics* by 2109 different manufacturers indexed!)
Updated 16th. Oct 2021

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