Schematics, Service manual or circuit diagram
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List of 11 Cromwell models
Model
Click to Order!		 Year Book File Type Page Preview/Status
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to Order!
Cromwell 10101950Rider20Mercantile Stores1Cromwell 1010 schematic circuit diagram
Cromwell 10201950Rider20Mercantile Stores3Cromwell 1020 schematic circuit diagram
Cromwell 10391949FileHMV-4910 D_4910 RG
_4910 AW6_Windsor
_Sherwood(Cromwell
-1039_1139)-1949
.RadioGram		Radio
Gram		pdfCromwell 1039 schematic circuit diagram
Cromwell 11391949FileHMV-4910 D_4910 RG
_4910 AW6_Windsor
_Sherwood(Cromwell
-1039_1139)-1949
.RadioGram		Radio
Gram		pdfCromwell 1139 schematic circuit diagram
Cromwell 2051948Rider17Misc W.T.Knott8Cromwell 205 schematic circuit diagram
Cromwell 6511947Rider15Misc W.T.Knott9Cromwell 651 schematic circuit diagram
Cromwell 6531947Rider15Misc W.T.Knott9Cromwell 653 schematic circuit diagram
Cromwell 65411947Rider15Misc W.T.Knott9Cromwell 6541 schematic circuit diagram
Cromwell 65451947Rider15Misc W.T.Knott9Cromwell 6545 schematic circuit diagram
Cromwell 65471947Rider15Misc W.T.Knott9Cromwell 6547 schematic circuit diagram
Cromwell 65601947Rider15Misc W.T.Knott9Cromwell 6560 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 07:40 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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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".

(181157 schematics* by 1673 different manufacturers indexed!)
Updated 29th. Sep 2020


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