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

Click on a blue link in the search results to order your HiWatt schematic


List of 21 HiWatt models
Click to Order!
Year Book/
File Type/
HiWatt L100R-FileHiWatt-L100R_L50R
AmppdfHiWatt L100R schematic circuit diagram
HiWatt L50R-FileHiWatt-L100R_L50R
AmppdfHiWatt L50R schematic circuit diagram
Watt 4-FileWatt-4.RadioRadiojpgWatt 4 schematic circuit diagram
Watt Auditorium-FileWatt-Auditorium
RadiogifWatt Auditorium schematic circuit diagram
Watt Augusto-FileWatt-Augusto.RadioRadiogifWatt Augusto schematic circuit diagram
Watt AureaPiccolo-FileWatt-AureaPiccolo
RadiogifWatt AureaPiccolo schematic circuit diagram
Watt Cadetto-FileWatt-Cadetto.RadioRadiogifWatt Cadetto schematic circuit diagram
Watt Fonetto718-FileWatt-Fonetto718
RadiopdfWatt Fonetto718 schematic circuit diagram
Watt Freccia-FileWatt-Freccia.RadioRadiopdfWatt Freccia schematic circuit diagram
Watt Gemma-FileWatt-Gemma.RadioRadiopdfWatt Gemma schematic circuit diagram
Watt Imperiale-FileWatt-Imperiale.RadioRadiogifWatt Imperiale schematic circuit diagram
Watt Piccolo-FileWatt-Piccolo.RadioRadiojpgWatt Piccolo schematic circuit diagram
Watt PiccoloSport-FileWatt-PiccoloSport
RadiojpgWatt PiccoloSport schematic circuit diagram
Watt PiccoloSupersport-FileWatt-PiccoloSupersport
RadiojpgWatt PiccoloSupersport schematic circuit diagram
Watt PiccoloTaurus6-FileWatt-PiccoloTaurus6
RadiojpgWatt PiccoloTaurus6 schematic circuit diagram
Watt Siderodina-FileWatt-Siderodina
RadiojpgWatt Siderodina schematic circuit diagram
Watt SuperSport-FileWatt-SuperSport
RadiopdfWatt SuperSport schematic circuit diagram
Watt Tesoro-FileWatt-Tesoro.RadioRadiojpgWatt Tesoro schematic circuit diagram
Watt Transset-FileWatt-Transset.RadioRadiojpgWatt Transset schematic circuit diagram
Watt Vittoria-FileWatt-Vittoria.RadioRadiogifWatt Vittoria schematic circuit diagram
Watt wr8-FileWatt-wr8.RadioRadiogifWatt wr8 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 20:23 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.
Check your PayPal Email is correct!
PayPal Logo
90V/1.4V Battery Eliminator

90V/1.4V battery eliminators available at £29

Search for your Schematic

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".

(193703 schematics* by 1685 different manufacturers indexed!)
Updated 27th. Nov 2020

Some free books and stuff you might find helpful in repairing your radio.

Search Time = 21 results in 0.28896 Seconds