Schematics, Service manual, or circuit diagram
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38 Kay models listed


Model
Click to Order!
Year Book/
Source
File Type/
Volume
Page/
Ext
Preview/Status
Kay 500-FileKay-500.AmpAmplifierpdfKay 500 schematic circuit diagram
Kay 505-FileKay-505.AmpAmplifierpdfKay 505 schematic circuit diagram
Kay 506-FileKay-506.AmpAmplifierpdfKay 506 schematic circuit diagram
Kay 515-FileKay-515.AmpAmplifierpdfKay 515 schematic circuit diagram
Kay 520-FileKay-520.AmpAmplifierpdfKay 520 schematic circuit diagram
Kay 550-FileKay-550.AmpAmplifierpdfKay 550 schematic circuit diagram
Kay 610-FileKay-610.AmpAmplifierpdfKay 610 schematic circuit diagram
Kay 700-FileKay-700.AmpAmplifierpdfKay 700 schematic circuit diagram
Kay 703 ;2nd version-FileKay-703 ;2nd version
.Amp
AmplifierpdfKay 703 ;2nd version schematic circuit diagram
Kay 703C ;2nd version1963FileKay-703C ;2nd version
-1963.poor.Amp
AmplifierpdfKay 703C ;2nd version schematic circuit diagram
Kay 703c-FileKay-703c.AmpAmplifierpdfKay 703c schematic circuit diagram
Kay 703-FileKay-703.AmpAmplifierpdfKay 703 schematic circuit diagram
Kay 704 ;2nd version-FileKay-704 ;2nd version
.Amp
AmplifierpdfKay 704 ;2nd version schematic circuit diagram
Kay 704-FileKay-704_705.AmpAmplifierpdfKay 704 schematic circuit diagram
Kay 705-FileKay-704_705.AmpAmplifierpdfKay 705 schematic circuit diagram
Kay 720-FileKay-720.AmpAmplifierpdfKay 720 schematic circuit diagram
Kay 750-FileKay-750.AmpAmplifierpdfKay 750 schematic circuit diagram
Kay 771948SM42Radio13Kay 77 schematic circuit diagram
Kay 771 ;Partial-FileKay-771 ;Partial
.Amp
AmplifierpdfKay 771 ;Partial schematic circuit diagram
Kay 8031963FileKay-803-1963.AmpAmplifierpdfKay 803 schematic circuit diagram
Kay 805-FileKay-805.AmpAmplifierpdfKay 805 schematic circuit diagram
Kay 820-FileKay-820.AmpAmplifierpdfKay 820 schematic circuit diagram
Kay 830-FileKay-830.AmpAmplifierpdfKay 830 schematic circuit diagram
Kay F1-FileKay-F1_Fuzztone
F1.Effects
RadiopdfKay F1 schematic circuit diagram
Kay Fuzztone F1-FileKay-F1_Fuzztone
F1.Effects
RadiopdfKay Fuzztone F1 schematic circuit diagram
Kay K500-FileKay-K500_K505_K506
.Amp
AmplifierpdfKay K500 schematic circuit diagram
Kay K505-FileKay-K500_K505_K506
.Amp
AmplifierpdfKay K505 schematic circuit diagram
Kay K506-FileKay-K500_K505_K506
.Amp
AmplifierpdfKay K506 schematic circuit diagram
Kay K520-FileKay-K520_K550.AmpAmplifierpdfKay K520 schematic circuit diagram
Kay K550-FileKay-K520_K550.AmpAmplifierpdfKay K550 schematic circuit diagram
Kay K700-FileKay-K700.AmpAmplifierpdfKay K700 schematic circuit diagram
Kay K703C-FileKay-K703_K703C.AmpAmplifierpdfKay K703C schematic circuit diagram
Kay K703-FileKay-K703_K703C.AmpAmplifierpdfKay K703 schematic circuit diagram
Kay K805-FileKay-K805.AmpAmplifierpdfKay K805 schematic circuit diagram
Kay K820-FileKay-K820_K830.AmpAmplifierpdfKay K820 schematic circuit diagram
Kay K830-FileKay-K820_K830.AmpAmplifierpdfKay K830 schematic circuit diagram
Kay T1 ;Tremelo-FileKay-T1 ;Tremelo
.Effects.2
RadiopdfKay T1 ;Tremelo schematic circuit diagram
Kay T1 ;Tremolo-FileKay-T1 ;Tremolo
.Effects
RadiogifKay T1 ;Tremolo 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 10:04 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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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".

(292135 schematics* by 2107 different manufacturers indexed!)
Updated 26th. Oct 2021

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