DISCLAIMER: You assume all risks associated with building and installing modifications to your game console. While building electronic components, you run the risk of electrical shock if you are not careful. By continuing, you agree that you are solely responsible for any and all damages that you may cause to your equipment or yourself. If you do not have experience with electronics, you should get the help of professional. By continuing, you agree to accept all responsibility and to hold Neobitz.com, it's agents and members harmless.


Thank you for purchasing the Neobitz-S DIY RGB Video Encoder Kit. To get started, you should carefully open the package and inspect all contents.

The DIY Kit should have the following components:

• 1x Neobitz-S PCB
• 1x AD724JR IC (optional)
• 3x .1uf Ceremic Capacitor (104 marking)
• 1x 15pf Ceremic Capacitor (150 marking)
• 1x 10uf Tantalum Capacitor
• 1x 3.57 Crystal
• 6x 75ohm Resistors
• 3x 220uf Electrolythic Capacitor
• 1x 470uf Electrolythic Capacitor
• 1x 6 Pin Header
• 1x 4 Pin Header
• 1x 6 Pin Receptacle
• 1x 4 Pin Receptacle
• 10x Connector Contacts
• 1x 2 Pin Header
• 1x Jumper
• 1x SVideo Jack (style varies on availability)
• 1x Composite Video Jack

Step 1: Inspect Kit Components

The parts in your kit should resemble the components in Figure 1:

Tools you will need to assemble the Neobitz-S DIY Kit

• Soldering Iron
• Solder
• Connector Crimp Tool (or Needle nose Pliers)
• Wire (24 Awg recommended)

Step 2: Install AD724JR IC

The first component you  should install, which is also the hardest, is the AD724JR chip. This is the only surface mounted component, so give yourself some working room by soldering it first. There is a small notch on the AD724JR IC. This notch should be facing the top of the Neobitz-S board. Once the AD724JR IC is installed, your board should look like Figure 2.



NOTE: Before going any further, you should visually inspect your soldering work to make sure you did not get excess solder on the pins, causing a bridge between two pins.


Step 3: Installing the .1uf Capacitors

There are three .1uf Capacitors included with your Neobitz-S DIY Kit. It may be hard to read, but the .1uf Capacitors have a small "104" marking on one side. You will need to make sure you have the correct capacitors. These capacitors are not polaraized so their orientation is not important. Figure 3 shows the placement of the .1uf Capacitors.




Step 4: Installing the 15pf Capacitor

The other small ceramic capacitor is the 15pf Capacitor. It has a small marking on it of "150" and is the last of the small ceramic capacitors to install. This capacitor is not polarized so its orientation is not important. Figure 4 shoes the placement of the 15pf Capacitor.




Step 5: Installing the 10uf Tantalum Capacitor

This capictor goes just above the AD724JR IC. Install with the letters on the capacitor facing towards the top of the PCB (away from the AD724JR IC). Figure 5 shows the placement of the 10uf Tantalum Capacitor.

NOTE: This capacitor is polarized so its orientation is VERY IMPORTANT! Installing this capictor backwards can cause the cap to blow, or cause damage elsewhere in the circuit.




Step 6: Installing the Crystal

Figure 6 shows the placement of the crystal.

 


Step 7: Installing the 75ohm Resistors

There are six 75ohm resistors with the Neobitz-S DIY Kit. Resistors are not polarized so orientation is not important. Figure 7 shows the placement of the resistors.




Step 8: Installing the 220uf Capacitors

There are three 220uf Capacitors in the kit. They are installed just to the right of the AD724JR IC. These radial capacitors are polarized so proper orientation is important. Looking at one of the 220uf Capacitors, you will see that there is a stripe on one side. This is the negative pole and on the Neobitz-S board, that stripe will face to the right. Use Figure 8 as a guide for placement of the three 220uf Capacitors.




Step 9: Installing the 470uf Capacitor

The 470uf Capacitor is installed along the left edge of the PCB. This capacitor is polarized so proper orientation is important. The negative pole on this capacitor is facing towards the top of the Neobitz-S PCB. Figure 9 shows the placement of the 470uf Capacitor.





Step 10: Installing the 2 Pin Header and Jumper

A two pin header and a jumper are included with your Neobitz-S Kit. This jumper is used to route the Sync on the board. This jumper is used when you do not have the optional LM1881 circuit installed. If you purchased the optional LM1881 Sync components, follow the directions towards the end of this guide on installing those components (coming soon).

Install the 2 Pin Header just to the right of the 470uf Capacitor. After installing the 2 Pin header, attach the jumper. Figure 10 shows the placement of the 2 Pin header with the jumper installed.





Step 11: Installing the Input/Output Headers

The 4 Pin and 6 Pin Headers included with the kit are polarized so that when you connect the receptacles, they only fit with the proper orientation. So, you need to make sure you install the 4 Pin and 6 Pin Headers properly. Looking at Figure 11, you will see that the back side of the headers are facing towards the circuit. Use Figure 11 as a guide for installing the 4 Pin and 6 Pin Headers.





Step 12: Neobitz-S Board Complete

At this point, your Neobitz-S DIY Board should be complete. It should look like the board in Figure 12.






Step 13: Building The Wiring Harnesses

Before building your wiring harnesses, you should make sure you have several different colors to use. You should have at least six different colors. This will make attaching your Neobitz-S board easier once the wiring harnesses are prepared.

Before you begin, you should prepare your ten pieces of wire. You should estiamte the length needed for your installation and add a couple extra inches for working. Once you have the ten pieces of wire, strip about 1/8" off the end of each wire. Using your crimp tool, fasten one of the Connector Contacts to each piece of wire. Figure 13 shows one of the Connector Contacts attached to a wire.






Step 14: Assemble Wiring Harness

Insert the wires into the Receptacles. Figure 15 shows the Input and Output Receptacles fully assembled.





Step 15: Wining Information

Figure 15 shows the Input and Output wiring information for the Neobitz-S Board.