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

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List of 6 Collorado models
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Year Book File Type Page Preview/Status
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Collorado Mark21958RTV1958Tape52
Collorado Mark2 schematic circuit diagram
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Collorado Mark31958RTV1958Tape52
Collorado Mark3 schematic circuit diagram
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Collorado Mark41958RTV1958Tape52
Collorado Mark4 schematic circuit diagram
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Collorado Mk21958RTV1958Tape52
Collorado Mk2 schematic circuit diagram
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Collorado Mk31958RTV1958Tape52
Collorado Mk3 schematic circuit diagram
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Collorado Mk41958RTV1958Tape52
Collorado Mk4 schematic circuit diagram
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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 13:12 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".

(180730 schematics* by 1667 different manufacturers indexed!)
Updated 25th. Sep 2020

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