1. Introducció
The Novastar MRV412 is an advanced LED display receiving card designed for high-performance LED screen applications. It serves as a crucial component in the LED display control system, responsible for receiving data from the sending card and distributing it to the LED modules. This card is an updated version of the MRV336, offering enhanced features and stability. This manual provides essential information for the proper installation, operation, and maintenance of your MRV412 receiving card.
2. Informació de seguretat
- Ensure all power connections are secure and correctly rated for the device.
- Avoid exposing the card to moisture, extreme temperatures, or corrosive environments.
- Handle the card with care to prevent damage to components or connectors.
- Només personal qualificat ha de realitzar els procediments d'instal·lació i manteniment.
- Desconnecteu l'alimentació abans de realitzar qualsevol instal·lació, manteniment o resolució de problemes.
3. Producte acabatview
The MRV412 receiving card integrates 12 standard HUB75 connectors, eliminating the need for an external HUB structure. It supports various advanced features for optimal LED display performance.
3.1. Disseny de la targeta
Figura 1: Davant view of the Novastar MRV412 receiving card, showing the main chip, Ethernet port, power input, and multiple HUB75 output connectors for LED modules.
Figura 2: Enrere view of the Novastar MRV412 receiving card, illustrating the arrangement of various electronic components and solder points.
3.2. Característiques clau
- Integrated 12 standard HUB75 connectors, eliminating the need for an external HUB.
- Single card outputs 24-group of RGB data.
- Temperature monitoring for stable operation.
- Ethernet cable communication status detection.
- Alimentació voltage detecció.
- Supports high gray scale and high refresh rate for superior visual quality.
- Pixel-by-pixel brightness and chromaticity calibration for uniform display.
- Complies with EU RoHS standard.
4. Configuració
4.1. Contingut del paquet
En desembalar, comproveu que hi hagi el següent element inclòs:
- Novastar MRV412 LED Display Receiving Card
4.2. Instal·lació física
Follow these steps to install the MRV412 card into your LED display cabinet:
- Preparar el gabinet: Ensure the LED display cabinet is powered off and properly grounded. Identify the designated slot for the receiving card.
- Inseriu la targeta: Carefully insert the MRV412 card into the designated slot, ensuring it is seated firmly. Secure it with screws if necessary.
- Connectar l'alimentació: Connect the power supply cables from the cabinet's power distribution unit to the power input terminals on the MRV412 card. Observe correct polarity.
- Connect Data Cables: Connect the Ethernet (RJ45) data cable from the sending card or previous receiving card in the chain to the input Ethernet port on the MRV412.
- Connect LED Modules: Use flat ribbon cables to connect the HUB75 output connectors on the MRV412 to the corresponding input connectors on your LED display modules. Ensure correct cable orientation and sequence.
4.3. Configuració del programari
After physical installation, the MRV412 card requires configuration using Novastar's control software, typically NovaLCT. This software allows you to:
- Detect and identify the receiving cards.
- Configure screen resolution and mapping.
- Adjust brightness, contrast, and color settings.
- Perform pixel-by-pixel calibration.
- Monitor card status and health.
Refer to the NovaLCT software manual for detailed configuration instructions.
5. Funcionament
5.1. Funcionament bàsic
Once installed and configured, the MRV412 operates automatically as part of the LED display control system. It receives video and control data from the sending card and accurately renders it on the connected LED modules. The card's status indicators (if present) can provide visual feedback on its operational state.
5.2. Funcions avançades
The MRV412 supports advanced display technologies, including high gray scale and high refresh rates, which are configured via the NovaLCT software. Pixel-by-pixel calibration ensures color and brightness uniformity across the entire display, which is critical for high-quality visual output.
6. Manteniment
- Neteja: Periodically inspect the card for dust accumulation. Use a soft brush or compressed air to gently clean the components. Ensure power is disconnected before cleaning.
- Control ambiental: Maintain a stable operating environment, avoiding excessive heat, humidity, or dust, which can degrade performance and lifespan.
- Actualitzacions de firmware: Check the Novastar official website for any available firmware updates for the MRV412. Firmware updates can improve performance, add features, or resolve known issues. Follow the provided instructions carefully during updates.
- Inspecció del cable: Regularly inspect all connected cables (power, Ethernet, HUB75) for signs of wear or damage. Replace any faulty cables immediately.
7. Solució De Problemes
This section addresses common issues you might encounter with the MRV412 receiving card.
| Problema | Causa possible | Solució |
|---|---|---|
| No display on LED modules | No power to card; Loose data cable; Incorrect software configuration; Faulty card. | Check power connections; Verify Ethernet and HUB75 cables are secure; Review NovaLCT configuration; Test with a known working card. |
| Pantalla parpellejant o inestable | Poor data cable quality; Incorrect refresh rate setting; Power supply instability. | Use high-quality Ethernet cables; Adjust refresh rate in NovaLCT; Ensure stable power supply to the cabinet. |
| Incorrect colors or color distortion | Improper color calibration; Faulty LED module; Software settings. | Perform pixel-by-pixel brightness and chromaticity calibration; Check individual LED modules; Verify color settings in NovaLCT. |
| Card not detected by software | Ethernet cable issue; Network configuration problem; Card not powered. | Ensure Ethernet cable is connected and functional; Check network settings on the control PC; Confirm card is receiving power. |
8. Especificacions
| Característica | Especificació |
|---|---|
| Resolució | 256 x 226 píxels |
| RGB Data Output | 24 grups |
| HUB75 Interface | Yes (12 standard connectors) |
| Dimensions (L x A x A) | 6.14 x 4.25 x 0.79 polzades (156 x 108 x 20 mm aprox.) |
| Pes de l'article | 3.52 ounces (100 g approx.) |
| Certificacions | RoHS |
| Monitorització de la temperatura | Admet |
| Ethernet Cable Status Detection | Admet |
| Alimentació Voltage Detecció | Admet |
| Pixel-by-Pixel Calibration | Admet |
9. Garantia i Suport
9.1. Informació de la garantia
The Novastar MRV412 receiving card is covered by a standard manufacturer's warranty. Please refer to your purchase documentation or contact your reseller for specific warranty terms and conditions. Keep your proof of purchase for warranty claims.
9.2. Suport tècnic
For technical assistance, troubleshooting beyond this manual, or inquiries regarding software and additional instructions, please contact your product supplier or the official Novastar support channels. You may also reach out to Shenzhen Artpixel Technology Co., Ltd for support related to this product.
For the latest drivers, software, and documentation, please visit the official Novastar weblloc.
