DEVMO GBS8200
DEVMO Gonbes GBS8200 Video Converter Board User Manual
Model: GBS8200
1. Introducció
The DEVMO Gonbes GBS8200 is a versatile HD video converter board designed to transform various analog video signals (CGA, EGA, YUV, RGB) into a standard VGA output. This allows older arcade game boards and other video sources to be displayed on modern VGA monitors, including CRT, LCD, PDP, and projectors. It features automatic signal scanning, on-screen display controls, and true 24-bit A/D conversion for high-quality color reproduction.
2. Informació de seguretat
- Assegureu-vos que la font d'alimentació voltage matches the board's requirements (5V-12V).
- Do not expose the board to moisture or extreme temperatures.
- Handle the board with care to avoid damaging components.
- Desconnecteu l'alimentació abans de fer qualsevol connexió o desconnexió.
- Mantenir fora de l'abast dels nens.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al vostre paquet:
- 1 x CGA/EGA/RGB To VGA Game Video Converter Board (GBS8200)
- 1 x 6-pin Signal Wire
- 1 x 2-pin Power Supply Wire

Image: The DEVMO GBS8200 video converter board shown with the included 6-pin signal wire and 2-pin power supply wire.
4. Producte acabatview
The GBS8200 board features various input and output ports, as well as control buttons for configuration. Familiarize yourself with the layout:
- Port de sortida VGA: Standard 15-pin D-sub connector for connecting to VGA monitors.
- CGA/EGA/RGB Input: Multiple pin headers for various analog RGB inputs.
- YUV Component Input: RCA connectors (Red, Green, Blue) for YUV component signals.
- Entrada d'alimentació: 2-pin connector for 5V-12V DC power.
- Botons de control: Buttons for navigating the On-Screen Display (OSD) menu.
- Potenciòmetres: Adjustment knobs for fine-tuning color balance and other parameters.

Imatge: De dalt a baix view of the GBS8200 board, highlighting the VGA output, various input headers, and control buttons.

Imatge: Part inferior view of the GBS8200 board, showing the circuit traces and mounting points.
5. Configuració i instal·lació
Follow these steps to set up your GBS8200 converter board:
- Connectar l'alimentació: Use the provided 2-pin power supply wire to connect a 5V-12V DC power source to the board's power input. Ensure correct polarity.
- Connecteu el senyal d'entrada:
- For CGA/EGA/RGB signals, connect your source to the appropriate pin headers using the 6-pin signal wire or custom wiring.
- For YUV Component signals, connect your source to the Red, Green, and Blue RCA jacks.
- Connecteu la sortida VGA: Connect a standard VGA cable from the GBS8200's VGA output port to your VGA monitor (CRT, LCD, PDP, Projector).
- Encès: Once all connections are secure, apply power to the GBS8200 board and your video source.
- Ajustar la configuració: The board will automatically scan for the input signal. If the image is not optimal, use the On-Screen Display (OSD) menu and potentiometers to adjust image position, zoom, and color balance.

Imatge: Un angle view of the GBS8200 board, illustrating the various connection points for power, input signals, and VGA output.
6. Instruccions de funcionament
The GBS8200 features an On-Screen Display (OSD) menu for configuration. Use the small buttons on the board to navigate and adjust settings.
6.1. Navegació pel menú OSD
- MENÚ: Premeu per entrar o sortir del menú OSD.
- AMUNT AVALL: Navegueu per les opcions del menú.
- ESQUERRA DRETA: Adjust selected parameter values.
- AUTOMÀTIC: Automatically adjusts image settings for optimal display.
6.2. Característiques clau
- Automatic Signal Scan: Automatically detects and converts CGA (15KHz), EGA (24KHz), and 31KHz RGB signals, as well as YUV Component signals (480i, 576i, 720i, 1080i, 480p, 576p, 720p, 1080p).
- VGA Output Resolutions: Supports various VGA output resolutions including 640x480, 800x600, 1024x768, and 1360x768.
- Control d'imatge: Allows for precise control over image position and zoom.
- Color Conversion: Features a true digital 24-bit A/D converter for accurate 16.7-million color conversion.
7. Manteniment
The DEVMO GBS8200 board requires minimal maintenance. Keep the board clean and free from dust. Use a soft, dry cloth to gently wipe the surface. Do not use liquid cleaners or solvents. Ensure proper ventilation to prevent overheating, especially during extended operation.
8. Solució De Problemes
- No Signal on Monitor:
- Ensure all cables (power, input, VGA output) are securely connected.
- Verify that the input signal source is active and providing a valid signal.
- Check the power supply to the GBS8200 board.
- Try pressing the "AUTO" button on the board to initiate signal detection.
- Distorted or Incorrect Colors:
- Adjust the potentiometers on the board for RGB color balance.
- Ensure the input signal type (CGA/EGA/YUV/RGB) is correctly configured if manual selection is available.
- Image is Off-Center or Incorrect Size:
- Use the OSD menu to adjust image position (H-Position, V-Position) and zoom.
- Press the "AUTO" button for automatic adjustment.
- La placa no s'encén:
- Comproveu la font d'alimentació voltage i corrent.
- Verify the power cable connection and polarity.
9. Especificacions
- Senyals d'entrada: CGA (15KHz), EGA (24KHz), 31KHz RGB, YUV Component (480i, 576i, 720i, 1080i, 480p, 576p, 720p, 1080p)
- Senyal de sortida: VGA (640x480, 800x600, 1024x768, 1360x768)
- Entrada d'alimentació: DC 5V-12V
- Convertidor A / D: True digital 24-bit
- Idioma OSD: Anglès i xinès
- Monitors compatibles: CRT, LCD, PDP, Projector (with VGA interface)
- Dimensions del paquet: 5.39 x 5.28 x 1.26 polzades
- Pes de l'article: 5.3 unces
- Fabricant: DEVMO
- Model: GBS8200
10. Garantia i Suport
For warranty information and technical support, please contact your retailer or the manufacturer, DEVMO. Refer to your purchase documentation for specific warranty terms and contact details.
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