Check here for an overview of (public and free) common and rare Video Game Console Hardware Manuals in PDF. Another great source for information about video game consoles is Video Game Console Library.
List of Video Game Console Hardware Manuals (PDFs):
3D Expert Virtual Reality Box Acer Predator 8 [GT-810] Gaming Tablet Amazon Kindle Fire [2004] Amazon Fire Phone Amazon Fire TV 1st gen Amazon Fire TV 2nd gen Analogue Nt mini ANTVR Kit Headset APF Imagination Machine APF Micro Computer System APF TV Fun 401 Apple Bandai Pippin Atmark/@World Apple iPad iOS 3.0 Apple iPad iOS 4.2 Apple iPad iOS 4.3 Apple iPad iOS 5.1 Apple iPad iOS 6.1 Apple iPad iOS 7.1 Apple iPad iOS 8.1 Apple iPad iOS 8.4 Apple iPhone 3G Apple iPhone iOS 3.0 Apple iPhone iOS 3.1 Apple iPhone iOS 4.2 Apple iPhone iOS 4.3 Apple iPhone iOS 5.1 Apple iPhone iOS 6.0 Apple iPhone iOS 6.1 Apple iPhone iOS 7.0 Apple iPhone iOS 7.1 Apple iPhone iOS 8.1 Apple iPhone iOS 8.3 Apple iPhone iOS 8.4 Apple iPhone iOS 9.0 Apple iPhone iOS 9.3 Apple iPhone iOS 10 Apple iPhone iOS 11 Apple iPhone iOS 11.1 Apple PowerCD Apple TV 1st gen Apple TV 2nd gen Apple TV 3rd gen Apple Watch OS 1.0 Archos 101 ChildPad Archos 80 ChildPad Archos ArcBook Archos FamilyPad 2 Archos GamePad Archos GamePad 2 Archos VR Glasses 2 Arduino Armstrad GX4000 Arnova ChildPad Arnova FamilyPad Atari 1200XL Atari 130XE Atari 2600 [Darth Vader] Atari 2600 Jr. Atari 2600 [Light Sixer] Atari 2600 [Woody] [USA] Atari 2600 [Woody] [AU] Atari 400 Atari 5200 [2-port] Atari 5200 [4-port] Atari 600XL Atari 65XE Atari 7800 ProSystem Atari 7800 Video Game System Atari 800 Atari 800XL Atari Jaguar CD Atari Jaguar [NTSC] Atari Jaguar [PAL] Atari Keychain Atari Lynx Atari Super Pong C-140 Atari Super Pong Pro-Am C-200 Atari Super Pong Ten C-180 Atari Touch Me Atari Video Pinball Atari XEGS Atgames Atari Flashback 2 Atgames Atari Flashback 3 Atgames Atari Flashback 5 Atgames Atari Flashback 6 Atgames Atari Flashback 7 Atgames Atari Flashback 8 Atgames Atari Flashback 8 Gold Atgames Atari Flashback Portable Atgames Intellivision Flashback Atgames Sega Genesis Classic Game Console Atgames Sega Genesis Firecore Arcade Master Deluxe Atgames Sega Genesis Flashback Atgames Sega Genesis Ultimate Portable Game Player Atgames Sega Mega Drive Arcade Motion TV Game Console Atgames Sega Mega Drive Firecore Supersports Arcade Atgames Sega Mega Drive Portable Video Game Player Atgames Sega Screen Gopher Atgames Zooti.HD Tablet Avegant Gylph Bally Home Library Computer Bally Professional Arcade 
Bandai Intellivision Bandai Playdia Bandai Tama-Go Bandai Tamagotchi Connection v1 Bandai Tamagotchi Connection v2 Bandai Tamagotchi Connection v3 Bandai Tamagotchi Connection v4 Bandai Tamagotchi Connection v4.5 Bandai Tamagotchi Connection v5 Bandai Tamagotchi Connection v6 Music Star Bandai Tamagotchi Friends Bandai Tamagotchi Keitai Bandai Tamagotchi Keitai Akai Bandai Tamagotchi P1 [1996] Blackberry PlayBook 1.0 BlackBerry PlayBook 2.0 Camerica Codemasters Aladdin Deck Enhancer Carl Zeiss VR One Carl Zeiss VR One Plus Casio Loopy Casio PV-1000 CBS ColecoVision Cheryco CreatiVision Coleco ColecoVision Coleco Electronic Quarterback Coleco Gemini Coleco Sonic Coleco Telstar Arcade [cartridge 3 & 4] Coleco Total Control 4 Commodore 64GS Commodore Amiga CD32 Commodore TV Game 3000H Cyber Gadget Retro Freak Cybiko Cybiko Xtreme Dell Alienware Alpha Steam Machine Denver VR-20 Denver VR-21 Denver VRC-22 Dick Smith Wizzard Y-1600 
Digiplay Intellivision Dingoo A320 Durovis Dive 5 VR Durovis Dive 7 VR Elite Recreated Sinclair ZX Spectrum [2015] Emerson Arcadia 2001 Entex AdventureVision Entex Select-A-Game Machine Epoch Tomy Barcode Battler Epson Moverio BT-100 Epson Moverio BT-200 Epson Moverio BT-300 Epson Moverio BT-350 Fairchild Channel F Fisher Price Pixter Fisher Price Pixter 2.0 Fisher Price Pixter Color Fisher Price Pixter Multi-Media Forte Technologies VFX1 Headgear Virtual Reality System Fove 0 Eye Tracking Virtual Reality Devkit Freefly VR 
Funtech Super A'Can GamePark CAANOO GamePark GP2X [unofficial] GamePark GP2X Wiz [GPMenu2X] GCE Vectrex GCW Zero Goldstar 3DO Google Android 2.3.4 Gingerbread Google Android 3.0 Honeycomb Google Android 4.4 KitKat Google Android 5.0 Lollipop Google Android 6.0 Marshmallow Google Android 7.0 Nougat Google Cardboard [template] Google Glass [set-up] GPD Win Grandstand Colour Programmable SD-070 Hanimex Rameses Homido VR HTC Vive Pre VR HTC Vive VR Hyperkin Retron 1 Hyperkin Retron 2 Hyperkin Retron 3 Hyperkin Retron 5 Hyperkin Retron HD Hyperkin Smartboy Hyperkin SupaBoy Hyperkin SupaBoy S Hyperkin SupaBoy SFC Hyperkin SupaRetron HD IBM PC-DOS 7.0 Incredisonic 3D VR Glasses Intel Recon Jet Intel Recon Jet Pro Intel Recon Snow2 Intel Skulltrail Desktop Board DX5400XS (Seaburg) INTV Intellivision III ION VR 360 3D iQue 3DS XL iQue DSi [hardware] iQue DSi [software] JVC X'Eye Krikzz EverDrive-MD V2 Krikzz EverDrive-MD V3 Krikzz Mega EverDrive Krikzz Mega EverDrive V2 Krikzz Super EverDrive V2 Kurio 10S Kurio 4S Touch Kurio 7 Kurio 7S Kurio Motion Kurio Next Kurio Phone Kurio Smart Kurio Snap Kurio TAB Advance (Jr. / TAB3) Kurio TAB2 Kurio Watch Kurio Watch 2.0 Kurio Xtreme Kurio Xtreme2 Lakeside Computer Perfection Leapfrog Leapband Leapfrog Click Start Leapfrog Didj Custom Gaming System Leapfrog Epic Leapfrog Imagination Desk Leapfrog Leappad Classic Leapfrog Leappad Platinum Leapfrog Leappad Ultra Leapfrog Leappad1 Leapfrog Leappad2 Leapfrog Leappad3 Leapfrog Leapster Explorer Leapfrog Leapster L-Max Leapfrog Leapster Learning Game System Leapfrog Leapster2 Leapfrog LeapsterGS Explorer Leapfrog LeapStart Interactive Learning System Leapfrog LeapTV Leapfrog Learn & Groove Musical Table Leapfrog Mind Station Leapfrog Little Touch Leappad Leapfrog My First Leappad Leapfrog My Own Leaptop Leapfrog Ultimate LeMaker Banana Pi LeMaker Banana Pro LG 360 VR [R100] Linux Mad Catz Mojo Magnavox CD-i 450 Magnavox CD-i 550 Magnavox Odyssey Magnavox Odyssey2 
Magnavox Osidea Mattel Auto Race Mattel Football Mattel Hyperscan Mattel Intellivision Mattel Intellivision II Mattel View Master Deluxe VR Viewer Mattel View Master VR Starter Pack Microsoft HoloLens Microsoft MS-DOS 5.0 Microsoft MS-DOS 6 Microsoft Surface 2 Microsoft Surface 3 Microsoft Surface Book Microsoft Surface Pro 1 Microsoft Surface Pro 2 Microsoft Surface Pro 3 Microsoft Surface Pro 4 Microsoft Surface RT Microsoft Xbox [EU] Microsoft Xbox [USA] Microsoft Xbox 360 Arcade Microsoft Xbox 360 Elite Microsoft Xbox 360 Pro Microsoft Xbox 360 Slim Microsoft Xbox One Kinect Microsoft Windows 10 Microsoft Windows 7 Microsoft Windows 8 Microsoft Windows 95 Microsoft Windows Vista Milton Bradley Microvision Milton Bradley Pocket Simon Milton Bradley Simon NEC PC-Engine CoreGrafx CD-ROM2 NEC PC-Engine DUO-RX NEC PC-FX NEC TurboGrafx-16 Nelsonic Pac-Man Game-Watch New Nintendo 2DS XL New Nintendo 3DS New Nintendo 3DS XL Nintendo 2DS Nintendo 3DS Nintendo 3DS XL Nintendo 64 Nintendo 64DD Nintendo 64DD [RandNet] Nintendo DS Nintendo DS Lite Nintendo DSi Nintendo DSi XL Nintendo Famicom Nintendo Famicom Disk System Nintendo Family BASIC v3 Nintendo Game Boy Advance Nintendo Game Boy Advance SP 
Nintendo Game Boy Classic [EU-FR/NL] Nintendo Game Boy Classic [USA] Nintendo Game Boy Color Nintendo Game Boy Micro Nintendo GameCube Nintendo GameCube Game Boy Player Nintendo iQue Nintendo NES [1990] Nintendo NES Classic Mini Edition Nintendo Pokemon mini Nintendo SNES [NTSC] Nintendo SNES [PAL] Nintendo SNES mini / Super Nintendo Classic Nintendo SNES Super Game Boy Nintendo Super Famicom Nintendo Switch [Important Information] Nintendo Switch [Operations Manual] Nintendo Virtual Boy Nintendo Wii Nintendo Wii mini Nintendo Wii U Nokia N-Gage Nokia N-Gage QD Nokia N9 Nokia N900 Nokia N950 NUON RCA DVD-DRC300N NUON Samsung DVD-N2000 NUON Samsung DVD-N501 NUON Samsung DVD-N505 NUON Toshiba DVD-SD-2300 NVIDIA Shield Tablet K1 Oculus Rift VR Onebutton VR Shinecon Onebutton VR WOW! OpenPandora Pandora [unofficial] Panasonic 3DO FZ-1 Panasonic 3DO FZ-10 Panasonic M2 FZ-21S Panasonic M2 FZ-35S Panasonic Q Parker Brothers Master Merlin Parker Brothers Merlin Electronic Wizard Parker Brothers Merlin the 10th Quest Parker Brothers Split Second Philips 21TCDI30 Philips CD-i 205 Philips CD-i 210 Philips CD-i 220 Philips CD-i 350 Philips CD-i 605 Philips CD-i 615 Philips CD-i 740 Philips Videopac G7000 Philips Videopac G7200 Philips Videopac G7400 Pioneer LaserActive CLD-A100 Pioneer LaserActive PAC-N10 Pioneer LaserActive PAC-S10 Polaroid Kids Tablet [PTAB750] Polaroid Kids Tablet [PTAB751] Polaroid Kids Tablet 2 [PTAB780] Polaroid Kids Tablet 3 [PTAB782] Polaroid SmarTab 7 Family Tablet [ST7-D] Polaroid SmarTab 7 Family Tablet [ST7-SM] Polaroid SmarTab Jr. Kids Tablet [STJR70] Polaroid SmarTab Jr. Kids Tablet [STJR76] Polaroid SmarTab Jr. Kids Tablet [STJR700] Polaroid SmarTab Jr. 2 Kids Tablet [STJR75] Polaroid StreaMachine SmarTab [ST13-16] Polaroid StreaMachine SmarTab [ST13-8] Qware MGS-150 Film & See Qware TV-64 Plug & Play Radica Arcade Legends Sega Genesis Volume I Radica Arcade Legends Sega Mega Drive Volume I Radica Arcade Legends Sega Mega Drive Volume II Radica Airforce i-Combat Radica Big Screen Sudoku Radica Super Sonic Gold RadioShack TandyVision One Radofin Telesports Programmable APVS Raspberry Pi v1.1 Raspberry Pi v1.2 Raspberry Pi v2.1 Razer Edge Gaming Tablet Razer OSVR HDK RCA Studio II Retro Games The C64 mini Retro-Bit RetroDuo Portable Retro-Bit Super Retro Trio Retrode Retrotream Neo Zemmix Neo Lite MSX Samsung Galaxy Tab 3 Kids [SM-T2105] Samsung Galaxy Tab E Lite Kids [SM-T113] Samsung Gear VR [SM-R320] Samsung Gear VR 2015 [SM-R322] Samsung Gear VR 2016 [SM-R323] Samsung Gear VR [SM-R324] Samsung Gear VR [SM-R325] Samsung Gear VR Innovator Edition for S6 [SM-R321] Schmid TVG 2000 Sears Telegames Video Arcade Sears Tele-games Super Video Arcade Sega CD Model 1 Sega CD Model 2 Sega Dreamcast Sega Dreamcast Visual Memory Unit (VMU) Sega Game Gear [BR] Sega Game Gear [EU] Sega Game Gear [JP] Sega Genesis 32X Sega Genesis Model 1 Sega Genesis Model 2 Sega Master System [NTSC] Sega Master System II [PAL] Sega Mega Drive 32X Sega Mega Drive Master System Converter Sega Mega Drive Model 1 Sega Nomad Sega Pico [JP] Sega Pico [USA] Sega Pods Sega Saturn [JP] Sega Saturn [NTSC] Sega Saturn [PAL] Sega SC-3000 Sega SF-7000 Super Control Station Sega SG-1000 Sega SG-1000 II Sharp Nintendo Television 19SV111 Shenzhen Orange Pi Shenzhen Orange Pi PC Shenzhen Orange Pi Plus Sinclair ZX Spectrum Vega [2015] SNK Neo Geo AES SNK Neo Geo CD Front Loader SNK Neo Geo CD Top Loader SNK Neo Geo CDZ SNK Neo Geo MVS-4-25 Sony Ericsson Xperia Play Sony PlayStation SCPH-101 [PSOne] Sony PlayStation SCPH-5501 [PSX] Sony PlayStation SCPH-7001 [PSX] Sony PlayStation SCPH-7501 [PSX] Sony PlayStation SCPH-9001 [PSX] Sony PlayStation 2 SCPH-70001 Sony PlayStation 2 SCPH-70011 Sony PlayStation 2 SCPH-75001 Sony PlayStation 2 SCPH-77001 Sony PlayStation 2 SCPH-79001 Sony PlayStation 2 SCPH-90001 Sony PlayStation 3 CECH-2001AB Sony PlayStation 3 CECH-2101AB Sony PlayStation 3 CECH-2501A Sony PlayStation 3 CECH-2501B Sony PlayStation 3 CECH-3001AB Sony PlayStation 3 CECH-4001B Sony PlayStation 3 CECH-4001C Sony PlayStation 3 CECH-4201ABC Sony PlayStation 3 CECH-4301AC Sony PlayStation 3 CECHE01 Sony PlayStation 3 CECHG01 Sony PlayStation 3 CECHH01 Sony PlayStation 3 CECHK01 Sony PlayStation 3 CECHL01 Sony PlayStation 3 CECHP01 Sony PlayStation 4 CUH-1001A Sony PlayStation 4 CUH-1115A Sony PlayStation 4 CUH-1215A Sony PlayStation 4 CUH-1215B Sony PlayStation 4 CUH-2015A Sony PlayStation 4 CUH-2015B Sony PlayStation 4 Pro CUH-7015B Sony PlayStation VR Sony PS Vita PCH-1000 Sony PS Vita PCH-2000 Sony PS Vita TV Sony PSP-1000 Sony PSP-2000 Sony PSP-3000 Sony PSP-E1000 Sony PSP Go Sony SmartEyeglass Developer Edition SSD XaviXPORT Sylvania Intellivision Tapwave Zodiac Tectoy Master System 3 Tectoy Master System 3 Collection Tectoy Master System Evolution Tectoy Master System Handy Tectoy Master System Portatil Tectoy Mega Drive 3 Tectoy MoPlay Tectoy Super Mega Drive 3 Tectoy Zeebo Texas Instruments Speak & Math Texas Instruments Speak & Read Texas Instruments Speak & Spell Tiger Brain Bash Tiger Brain Shift Tiger Brain Warp 1996 Tiger Brain Warp 2002 Tiger Game.com Pocket Pro Tiger Gizmondo Tiger Learning Computer Tiger Quiz Wiz Tiger R-Zone Tiger R-Zone Super Screen Tiger VideoNow XP Toy:Lobster C64 Direct-to-TV Trust Urban Exos VR View-Master Interactive Vision Television System Vtech Baby's Learning Laptop Vtech Baby's Light Up Laptop Vtech Bear's Baby Laptop Vtech Brilliant Baby Laptop Vtech Brilliant Creations Advanced Notebook Vtech Brilliant Creations Beginner Laptop Vtech Brilliant Creations Color Touch Tablet Vtech CreatiVision Vtech DigiGo Vtech FunVision Vtech InnoTab Vtech InnoTab 2 Vtech InnoTab 2 Baby Vtech InnoTab 2S Vtech InnoTab 3 Vtech InnoTab 3 Baby Vtech InnoTab 3 Plus Vtech InnoTab 3S Vtech InnoTab Max Vtech InnoTV Vtech KidiCom Max Vtech KidiBuzz Vtech Kidizoom Smartwatch DX Vtech Kidizoom Smartwatch DX2 Vtech Laptop Deluxe Vtech Laptop Voyager Vtech Little Smart Big Laptop Vtech MobiGo Vtech MobiGo 2 Vtech PC Pal Vtech Tote 'n Go Laptop 2009 Vtech Tote 'n Go Laptop 2011 Vtech Touch & Swipe Baby Phone Vtech Touch Tablet Vtech TwoSmart Laptop Vtech V.Flash Vtech V.Smile Vtech V.Smile Baby Infant Vtech V.Smile Cyber Pocket Vtech V.Smile Pocket Vtech V.Smile V.Motion Vuzix M100 Smart Glass Enterprise Edition Wikipad 7 Gaming Tablet Worlds of Wonder Action Max Yarvik G1 Force [TAB07-220] ZAPiT Game Wave 