Schematics, Service manual, or circuit diagram
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16 Trela models listed

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Year Book/
File Type/
Tesla 2800B-FileTesla-2800B.RadioRadiojpgTesla 2800B schematic circuit diagram
Tesla 305U1949FileTesla-Talisman_305U-1949FilepdfTesla 305U schematic circuit diagram
Tesla 305U1950FileTesla-305U_306U_307U_308U_Talisman-1950.RadioRadiojpgTesla 305U schematic circuit diagram
Tesla 306U1950FileTesla-305U_306U_307U_308U_Talisman-1950.RadioRadiojpgTesla 306U schematic circuit diagram
Tesla 306U1951FileTesla-Talisman_306U-1951FilepdfTesla 306U schematic circuit diagram
Tesla 306U-FileTesla-306U.RadioRadiogifTesla 306U schematic circuit diagram
Tesla 307U1950FileTesla-305U_306U_307U_308U_Talisman-1950.RadioRadiojpgTesla 307U schematic circuit diagram
Tesla 308U1950FileTesla-305U_306U_307U_308U_Talisman-1950.RadioRadiojpgTesla 308U schematic circuit diagram
Tesla 308U1953FileTesla-308U_Talisman 308U-1953.RadioRadiojpgTesla 308U schematic circuit diagram
Tesla 308U1953FileTesla-talisman_308U-1953FilepdfTesla 308U schematic circuit diagram
Tesla Talisman1949FileTesla-Talisman_305U-1949FilepdfTesla Talisman schematic circuit diagram
Tesla Talisman1950FileTesla-305U_306U_307U_308U_Talisman-1950.RadioRadiojpgTesla Talisman schematic circuit diagram
Tesla Talisman1951FileTesla-Talisman_306U-1951FilepdfTesla Talisman schematic circuit diagram
Tesla talisman1953FileTesla-talisman_308U-1953FilepdfTesla talisman schematic circuit diagram
Tesla Talisman 308U1953FileTesla-308U_Talisman 308U-1953.RadioRadiojpgTesla Talisman 308U schematic circuit diagram
Trela HW3011947SM14-28Trela HW301 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 19:27 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

90V/1.4V battery eliminators available at £29 For other voltage combinations Email me!

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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 =>2022
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".

(303141 schematics* by 2171 different manufacturers indexed!)
Updated 24th. May 2022

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