DEVMO GBS8200
DEVMO Gonbes GBS8200 Video Converter Board User Manual
Model: GBS8200
1. Úvod
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. Bezpečnostní informace
- Zajistěte napájení objtage matches the board's requirements (5V-12V).
- Nevystavujte desku vlhkosti ani extrémním teplotám.
- Handle the board with care to avoid damaging components.
- Před jakýmkoli připojením nebo odpojením odpojte napájení.
- Uchovávejte mimo dosah dětí.
3. Obsah balení
Ověřte, zda jsou v balení přítomny všechny položky:
- 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. Konec produktuview
The GBS8200 board features various input and output ports, as well as control buttons for configuration. Familiarize yourself with the layout:
- Výstupní port 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.
- Příkon: 2-pin connector for 5V-12V DC power.
- Ovládací tlačítka: Buttons for navigating the On-Screen Display (OSD) menu.
- potenciometry: Adjustment knobs for fine-tuning color balance and other parameters.

Obrázek: Shora dolů view of the GBS8200 board, highlighting the VGA output, various input headers, and control buttons.

Obrázek: Spodní strana view of the GBS8200 board, showing the circuit traces and mounting points.
5. Nastavení a instalace
Follow these steps to set up your GBS8200 converter board:
- Připojte napájení: 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.
- Connect Input Signal:
- 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.
- Connect VGA Output: Connect a standard VGA cable from the GBS8200's VGA output port to your VGA monitor (CRT, LCD, PDP, Projector).
- Zapnutí: Once all connections are secure, apply power to the GBS8200 board and your video source.
- Upravit nastavení: 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.

Obrázek: Úhlové view of the GBS8200 board, illustrating the various connection points for power, input signals, and VGA output.
6. Návod k obsluze
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. Navigace v nabídce OSD
- JÍDELNÍ LÍSTEK: Stisknutím otevřete nebo opustíte nabídku OSD.
- NAHORU / DOLŮ: Procházejte možnostmi nabídky.
- LEVÁ, PRAVÁ: Adjust selected parameter values.
- AUTO: Automatically adjusts image settings for optimal display.
6.2. Klíčové vlastnosti
- 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.
- Ovládání obrazu: 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. Údržba
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. Řešení problémů
- 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.
- Deska se nezapíná:
- Zkontrolujte napájení objtage a aktuální.
- Verify the power cable connection and polarity.
9. Specifikace
- Vstupní signály: CGA (15KHz), EGA (24KHz), 31KHz RGB, YUV Component (480i, 576i, 720i, 1080i, 480p, 576p, 720p, 1080p)
- Výstupní signál: VGA (640x480, 800x600, 1024x768, 1360x768)
- Příkon: DC 5V-12V
- A/D převodník: True digital 24-bit
- Jazyk OSD: angličtina a čínština
- Podporované monitory: CRT, LCD, PDP, Projector (with VGA interface)
- Rozměry balení: 5.39 x 5.28 x 1.26 palce
- Hmotnost položky: 5.3 unce
- Výrobce: DEVMO
- Model: GBS8200
10. Záruka a podpora
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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