Schematics, Service manual or circuit diagram
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List of 6 Porto Products models
Model
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Year Book/
Source
File Type/
Volume
Page/
Ext
Preview/Status
Aero Products A311934Rider5Misc aeroproductscorp2Aero Products A31 schematic circuit diagram
Porto Products 9040A ;Chassis1948Rider17Porto Products1Porto Products 9040A ;Chassis schematic circuit diagram
Porto Products PA5101948Rider17Porto Products1Porto Products PA510 schematic circuit diagram
Porto Products PB5201949Rider18Porto Products1Porto Products PB520 schematic circuit diagram
Porto Products Smokerette1948Rider17Porto Products1Porto Products Smokerette schematic circuit diagram
Porto Products SR600 ;Chassis 9040asmokerette1948Rider17Porto1Porto Products SR600 ;Chassis 9040asmokerette 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 16:15 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
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
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
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".

(193727 schematics* by 1685 different manufacturers indexed!)
Updated 28th. Nov 2020


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