Schematics, Service manual or circuit diagram
for BK Schematic £1.80 ($2.30, €2.0)

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List of 10 BK models
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Year Book File Type Page Preview/Status
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BK 501a-FileBK-501a_Transistor Curve testerFilepdfBK 501a schematic circuit diagram
BK 600-FileBK- 600_DynaJet Tube TesterFilepdfBK  600 schematic circuit diagram
BK 650-FileBK-650_DynaQuic Tube TesterFilepdfBK 650 schematic circuit diagram
BK 747 Dyna Jet-FileBK-747_747 Dyna Jet
.Tube Tester
FilepdfBK 747 Dyna Jet schematic circuit diagram
BK 747-FileBK-747_747 Dyna Jet
.Tube Tester
FilepdfBK 747 schematic circuit diagram
BK 747-FileBK-747_DynaJet Tube TesterFilepdfBK 747 schematic circuit diagram
BK DynaJet Tube Tester-FileBK- 600_DynaJet Tube TesterFilepdfBK DynaJet Tube Tester schematic circuit diagram
BK DynaJet Tube Tester-FileBK-747_DynaJet Tube TesterFilepdfBK DynaJet Tube Tester schematic circuit diagram
BK DynaQuic Tube Tester-FileBK-650_DynaQuic Tube TesterFilepdfBK DynaQuic Tube Tester schematic circuit diagram
BK Transistor Curve tester-FileBK-501a_Transistor Curve testerFilepdfBK Transistor Curve tester schematic circuit diagram

These radio, TV, record player 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 (it is 22:32 in the UK) it may take a little longer! Specialising in British schematics Roberts, Hacker, Bush etc. also American and German manuals feature strongly, search for what you need. Multi page manuals are Emailed as pdfs. Please Email if you have any queries, or you require any vintage parts for your repair I'll let you know what I have! Thanks for looking, Mike.
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90V/1.4V Battery Eliminator

90V/1.4V battery eliminators available at £29

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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 :-
J.F. Rider's Perpetual Rider 1920-54
Trader Service sheets Trader 1933-69
M.N. Beitman Radio Diags Beitman 1926-69
Radio and TV Servicing RTV 1945-86
Radio and TV 5 vols RTV5 1945-54
Gernsback Radio Diags. Gernsback 1922-34
Crosley Service Suppls. Crosley 1929-42
Empfanger Schaltungen ES 1928-57
Broadcaster Supplements Broadcaster1934-42
My Pre-scanned Files File
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".

(180677 schematics* by 1671 different manufacturers indexed!)
Updated 23rd. Sep 2020

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