How to Replace a Vectrex CRT Screen

  • By: Richard Moszkowski
  • Date: March 21, 2023
  • Time to read: 4 min.

How to Replace a Vectrex CRT Screen

If you’re an avid Vectrex gamer, you know that the console’s unique CRT screen is essential for a high-quality gaming experience. However, over time, CRT screens can become damaged or fail altogether, requiring replacement.

Overview of the CRT Screen Replacement Process

Replacing a Vectrex CRT screen requires some technical skill and knowledge of the console’s internal components. Here’s an overview of the steps involved in the process:

  1. Disassemble the Vectrex console to remove the old CRT screen
  2. Prepare the new CRT screen for installation by attaching the necessary components
  3. Install the new CRT screen into the Vectrex console
  4. Test the new CRT screen to ensure it is functioning correctly

Materials Required for CRT Screen Replacement

Before you get started, you’ll need to gather the following tools and materials:

  • Screwdrivers (Phillips and flathead)
  • Soldering iron
  • Desoldering pump or soldering wick
  • New Vectrex CRT screen
  • Anode cap
  • Flyback transformer
  • CRT neck board
  • High voltage capacitor
  • Resistor network
  • Heat shrink tubing
  • Electrical tape

Steps to Remove the Old CRT Screen

To begin the replacement process, you’ll need to disassemble the Vectrex console and remove the old CRT screen. Here are the steps involved:

  1. Unplug the Vectrex console from the power source and remove any game cartridges.
  2. Remove the four screws on the back of the console that hold the top and bottom halves of the console together.
  3. Carefully separate the top and bottom halves of the console, taking care not to damage any internal components.
  4. Locate the CRT neck board, which is attached to the top of the CRT screen.
  5. Unsolder the connections between the CRT neck board and the CRT screen.
  6. Remove the anode cap from the top of the CRT screen.
  7. Unscrew the flyback transformer and the high voltage capacitor from the top of the CRT screen.
  8. Remove the old CRT screen from the console.

Preparing the New CRT Screen for Installation

Before installing the new CRT screen, you’ll need to attach several components. Here’s an overview of the steps involved:

  1. Solder the resistor network onto the new CRT neck board.
  2. Attach the anode cap to the new CRT screen.
  3. Solder the flyback transformer and the high voltage capacitor onto the new CRT screen.
  4. Use heat shrink tubing and electrical tape to secure the connections and protect them from damage.

Installing the New CRT Screen

With the new CRT screen prepared, it’s time to install it into the Vectrex console. Here are the steps involved:

  1. Carefully position the new CRT screen in the console.
  2. Reattach the flyback transformer and the high voltage capacitor to the top of the new CRT screen.
  3. Reconnect the anode cap to the top of the new CRT screen.
  4. Solder the connections between the new CRT neck board and the new CRT screen.
  5. Reassemble the top and bottom halves of the Vectrex console.

Testing the New CRT Screen

Once the new CRT screen is installed, it’s important to test it to ensure it’s functioning correctly. Here are the steps involved:

  1. Plug the Vectrex console back into the power source and turn it on.
  2. Observe the new CRT screen to ensure it’s displaying correctly and has no distortions or discolorations.
  3. Use a test cartridge to ensure the new CRT screen is displaying game graphics correctly.
  4. Use a multimeter to measure the voltages at various points on the CRT neck board and flyback transformer. Compare these measurements to the manufacturer’s specifications to ensure they are within the acceptable range.
  5. Test the sound output to ensure the new CRT screen is producing sound correctly.
  6. If any issues are detected, troubleshoot and make any necessary repairs.

Conclusion

Replacing a Vectrex CRT screen can be a complex process, but with the right tools and knowledge, it’s something you can do at home. By following the steps outlined in this article, you can replace your old CRT screen with a new one and continue to enjoy the unique gaming experience that the Vectrex console offers. Remember to exercise caution and safety during the replacement process, and don’t hesitate to seek professional help if you encounter any difficulties.

FAQs

How do I know if I need to replace my Vectrex CRT screen?

If your CRT screen has any visible damage, such as cracks, scratches, or burn-in, or if you’re experiencing issues with display quality, such as distortion, discoloration, or a lack of sound, it may be time to replace your CRT screen.

Is it safe to replace a Vectrex CRT screen myself?

Replacing a CRT screen involves working with high voltages and delicate components, so it’s important to exercise caution and follow proper safety procedures. If you’re not comfortable working with electronics, it’s best to seek professional help.

Can I use a CRT screen from another console in my Vectrex?

No, the Vectrex CRT screen is unique and cannot be replaced with a screen from another console. You’ll need to purchase a replacement screen specifically designed for the Vectrex.

How do I know if I’ve installed the new CRT screen correctly?

Once the new CRT screen is installed, you should test it to ensure it’s functioning correctly. Use a test cartridge to ensure the new CRT screen is displaying game graphics correctly and check for any issues with sound output. You should also use a multimeter to measure the voltages at various points on the CRT neck board and flyback transformer and compare these measurements to the manufacturer’s specifications.

What should I do if I encounter issues during the replacement process?

If you encounter any issues during the replacement process, it’s best to seek professional help. Working with CRT screens can be dangerous, and it’s better to be safe than sorry.

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