Schematics, Service manual, or circuit diagram
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14 Langevin models listed

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Year Book/
File Type/
Lange 1K2G-FileLange-1K2G_ContinentalFilejpgLange 1K2G schematic circuit diagram
Lange 1K2W-FileLange-1K2W_ContinentalFilejpgLange 1K2W schematic circuit diagram
Lange 2K31933FileLange-2K3_Gral-1933FilejpgLange 2K3 schematic circuit diagram
Lange 2K3G1933FileLange-2K3G_Gral
RadiojpgLange 2K3G schematic circuit diagram
Lange 2K3W-FileLange-2K3W_Europa
RadiojpgLange 2K3W schematic circuit diagram
Lange 2K4WB-FileLange-2K4W_2K4WB
RadiojpgLange 2K4WB schematic circuit diagram
Lange 2K4W-FileLange-2K4W_2K4WB
RadiojpgLange 2K4W schematic circuit diagram
Lange Continental-FileLange-1K2G_ContinentalFilejpgLange Continental schematic circuit diagram
Lange Continental-FileLange-1K2W_ContinentalFilejpgLange Continental schematic circuit diagram
Lange Europa-FileLange-2K3W_Europa
RadiojpgLange Europa schematic circuit diagram
Lange Europa-FileLange-2K4W_2K4WB
RadiojpgLange Europa schematic circuit diagram
Lange Gral1933FileLange-2K3G_Gral
RadiojpgLange Gral schematic circuit diagram
Lange Gral1933FileLange-2K3_Gral-1933FilejpgLange Gral schematic circuit diagram
Langevin 101D-FileLangevin-101D.AmpAmplifierpdfLangevin 101D 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 18:15 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 =>2021
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".

(292288 schematics* by 2107 different manufacturers indexed!)
Updated 27th. Oct 2021

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