15" Monitor Conversion Kit - February 24, 2004
This is the manual for the 14"-15" Monitor Conversion Kit. This document will walk you through the conversion process.

Daewoo 531x-3 (541 monitor) Manual - March 07, 2007
This is the service manual for the Galaxy II monitor - Daewoo 541X. This document is provided by Daewoo. It's about 6.3MB. Warning: The data contained within this manual may not reflect your configuration. Please verify this information matches your model before making repairs.

Daewoo 531X-MAIN Manual - March 07, 2007
This is the service manual for the Galaxy II monitor - Daewoo 531X. This document is provided by Daewoo. It's about 1.8MB. Warning: The data contained within this manual may not reflect your configuration. Please verify this information matches your model before making repairs.

Daewoo 531X-VE Manual - March 07, 2007
This is another service manual for the Galaxy II monitor - Daewoo 531X. This manual represents the most common of our monitors in service. This document is provided by Daewoo. It's about 1.8MB. Warning: The data contained within this manual may not reflect your configuration. Please verify this information matches your model before making repairs.

Daewoo Model 531 Monitor Repair Kit - March 09, 2007
This is the manual for the repair kit that fixes the Horizontal Output issue.

Daewoo Parts Update - January 19, 2006
Daewoo updated several of their parts for the 531 and 541 monitors. These changes are listed here.

External Fuse Conversion Kit for the Galaxy II - Dimmer Board - November 14, 2005
These instructions describe installing dimmer boards with external fuses into old style power supplies.

External Fuse Conversion Kit for the Galaxy II - Fuse Only - November 14, 2005
These instructions describe how to convert your old style Galaxy II dimmer board over to the new style.

Galaxy II Dimmer Board Schematic - August 21, 2006
This is the schematic for the latest version of the Galaxy II dimmer board.

Galaxy II Mainboard Rebooting and Lockup Issues - February 24, 2005
Oxidation on the mainboard headers and bad crimps on the main wire harness can cause lock ups, rebooting and coin up issues. Follow the instructions in this document for troubleshooting.

Galaxy II Mainboard Schematic - February 23, 2004
Here is the schematic for the Galaxy II mainboard. The file is in PDF format.

Galaxy II Wiring Diagram - March 13, 2009
The Galaxy II wiring diagram is a basic layout of the board showing how different items are connected. This document was created to help technicians troubleshoot the Galaxy II dart machine. This document is in the .pdf format. It is a large diagram, but it can be printed on various sized papers, e.g. 8.5 x 11, 11 X 17, A size, B size, C size. The actual size of the file you will download is about 260K.

Galaxy II.5 Manual - August 02, 2011
The most current Galaxy II manual will be available here in pdf format. Please go to Galaxy II Manual to get your copy. This file is a little over a megabyte.

Galaxy II/Galaxy II.5 WiFi Installation Instructions - 10/20/11
These are the instructions that come with the WiFi modem kit for the Galaxy II/Galaxy II.5.


Hinged Bezel Kit - April 03, 2007
This gives details on replacing the old "T" hinge bezel with a standard hinged bezel.

HotButton Instructions - March 13, 2009
If you want to learn the who, what, when, where, why, & how of the HotButton, this is the document for you. To read the hotbutton.pdf file you will need Adobe Acrobat Reader.

How to Play Leagues on the Galaxy II - August 24, 2005
This document can be handed out to your players to give them a quick reminder on how league play functions on the Galaxy II.  (Note: This document contains fonts that you may not have.  It will print fine however.)

How to Play the Games on the Galaxy II - December 5, 2008
Detailed explanation on how to play all of the Galaxy II dart games.

Installing a Power Switch on the Galaxy II Wire Harness - March 25, 2004
We now have a kit that allows you to shut off power to the mainboard without unplugging the game. This document shows you how to install the Switch Kit (Part No. 42129) onto the Galaxy II main wireharness. This is the same document shipped with the kit.

Light Fixture Harness Fix - February 09, 2004
The wires coming from the overhead lamps to the power supply may have reversed wires. Use this document to check or fix this issue.

Port-A-Flash Manual - February 08, 2007
These are the instructions that come with the Port-A-Flash device. This is the flash memory device for Galaxy II, that makes updates easier. Here is a general list of uses: league files, ads, software, machine config, and collections.

Upgrading the HotButton Reader - February 10, 2004
Arachnid has upgraded the HotButton Reader on the Galaxy II. These are the instructions that come with the kit.