Find attached all currently available schematics for the Game Gear.

A good resource for the 2-ASIC and the board view with schematics is here 



I plan to open-source and reverse the original Game Gear boards similar to this in the near future as this one has some small errors and inconsistencies but overall is the best currently available resource for the Game Gear schematic.

Schematics (Game Gear)

 Board Scans (Game Gear)

RetroSix Wiki

Composite Video Signal

Atari 2600 Cartridge Sticker

Hardware Overview (Atari 2600)

TIA Chip (Atari 2600)

Video / Button Hex Buffer (Atari 2600)

Extracting Composite Video (Atari 2600)

Atari 2600

GB Shell Design

GB Cartridge Label

GB CleanAmp Install Guide

GB CleanPower Install Guide

Game Boy

GBP Shell Design

GBP IPS Screen Install

GBP CleanAmp Install Guide

Game Boy Pocket

GBC Shell Design

GBC IPS Screen Install

GBC Board Scans

GBC Back Shell Sticker

GBC CleanAmp Install Guide

Game Boy Advance Cartridge Label

GBA Shell Design

GBA Back Shell Sticker

GBA LED Triggers

Dehum Dehiss: Removing noise from GBA audio

GBA Schematics

GBA Wire Free Dehum Kit

GBA CleanAmp Install Guide

GBA Board Scans

GBA Power Switch Circuit

GBA SP Shell Design

GBA-SP Back Shell Sticker

GBA-SP Board Scans

GBA-SP Console Decal Sticker

Dehum Dehiss: Removing audio noise from GBA SP

GBA-SP CleanAmp Install Guide

Game Boy Advance SP

SNES Controller Board Scans

Sega Saturn Minimum Boot

Sega Saturn

First Stage Boot Short Checks

3.3V Regulator Checks

Full Boot from Bench Power

BQ24193 Battery Charger

Diagnostics Power Draws

MAX77620 CPU Regulator

eMMC Booting

Nintendo Switch

Xbox One S White Light Diagnosis

Xbox One S Hard Drive Offline System Setup

Xbox Series S Initial Power Up

Xbox Series S Getting to Idle Boot

Xbox Series X Daughterboard

Xbox Series X 1S White Light Boot

Xbox Series X Motherboard

PS5 HDMI Port

Playstation 5

Repair & Schematics

Game Development

LED Mods

Send In Repair Service

Will the Prestige shells fit AGS/Original screens?

What finish are the Pearl series shells?

What materials are finish are the Prestige shells made from?

Prestige Shells & Consoles

What do the LEDs mean on the CleanJuice?

How will I know when the battery is low?

Do I need to solder or cut the CleanJuice?

How long will the CleanJuice last?

CleanJuice Battery Upgrade

CleanAmp, PureSilence and Dehum. What's the difference?

I can hear noise after adding CleanAmp?

CleanAmp Audio Amplifier

Can I have my own design on glass?

How is your glass different that others?

Glass Lenses

Can I become a distributor?

Can I buy your products locally in my own country?

Do you ship to my country?

Can I track my order?

How long will the delivery take?

When will my order be dispatched?

Where is your stock located?

Ordering & Shipping

RetroSix Products

Floppy Disk Sticker

N64 Cartridge Label Sticker

Game Cube Top Lid

Canvas Print

Mouse Mat

Clothing Hoodie & Tshirt

Photo Slate

Circle Coaster

Square Coaster

Design Your Own Templates