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The Scope of this Guide is to aid the Installation of the Pxlmod SEGA Game Gear
Controller kit which can be purchased from VideoGamePerfection.Com. It allows the
connection of a regular SEGA MegaDrive Joypad to control the Game Gear.
When Paired with an external VGA connection, courtesy of McWill's LCD Screen
Upgrade kit, it provides the Game Gear with both Hand Held and 'Console' use
options.
Caution / Disclaimer – To Install this modification you must have an understanding
of ESD Precautions and follow them at all times, you will be required to solder to
SMD 0805 size components as well as some mechanical modification of the Game
Gear shell.
VGP and BetaGamma Computing cannot be held responsible for any injury or
damage sustained whilst following this guide.
SEGA Game Gear Controller
Installation Guide V1.0
Bas Gialopsos 09 Nov 2019
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Summary of Contents for VGP Pxlmod SEGA Game Gear Controller
- Page 1 ESD Precautions and follow them at all times, you will be required to solder to SMD 0805 size components as well as some mechanical modification of the Game Gear shell. VGP and BetaGamma Computing cannot be held responsible for any injury or damage sustained whilst following this guide.
- Page 2 Preparation The Game Gear will need to be re-capped, this is a mandatory step, do not install ANY upgrades to the Game Gear prior to a full recap and system test. If you are installing a McWill Replacement LCD screen then this must be installed first.
- Page 3 Step 1 – Building the 9-Pin DType Loom assembly Using a pair of cutters strip both ends of the 50CM 9 way IDC Cable carefully leaving 2 or 3 mm or wire visible. Tin both ends and trim as necessary. I recommend soldering one end of the flat cable to the smaller DSUB PCB first.
- Page 4 Step 2 – Board Installation and Power Supply Hook-up Using Insulated double side tape, or a piece of double sided foam pad, the processor PCB can be Installed securely within the Game Gear as shown below. Ensure you leave a gap between the processor PCB edge and the Game Gear cartridge pins.
- Page 5 Hook up the +5V and GND points to the Processor PCB from the cartridge connector pins as shown above. Observe the correct polarity. Step 3 – Control Input Hook-up This is the trickiest part of the Install as you will need to solder directly to small SMD components.
- Page 6 Notice there are 3 button options A,B,C whereas the Game Gear has only 2 buttons. In my example I have decided to use buttons A and B on the Mega Drive joypad but you can map whichever you prefer. There are two main revisions of Game Gear PCB. Which revision you have will Function IC BD GG Main USA IC BD GG Main USA Test Points...
- Page 8 If you have the McWill LCD replacement screen installed, then you can common the button inputs by attaching directly to the screen connections as shown below. Otherwise just solder the button wires directly as outlined in the Table to the left hand side of the Game Gear PCB.
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