The NovaStar MRV328 is a versatile receiving card engineered for superior performance in LED display systems. It accommodates up to 1/32 scan and, with PWM driver ICs, delivers resolutions as high as 256×256@60Hz on a single card. The MRV328 is equipped with advanced features, including pixel-level brightness and chroma calibration, quick adjustment of dark and bright lines, and 3D display support, all of which contribute to enhanced visual quality and an improved user experience.
1. NovaStar MRV328 Features
1.1 Enhanced Display Quality
Advanced Pixel Calibration: The MRV328 allows for precise pixel-level calibration, enhancing the uniformity of brightness and color across the entire display. This fine-tuning process minimizes discrepancies between individual pixels, resulting in a more cohesive and vibrant visual output.
3D Display Capability: When paired with compatible sending cards, the MRV328 supports 3D display technology. This feature adds depth and dimensionality to the content, providing an immersive viewing experience for audiences in applications ranging from entertainment venues to high-end advertising.
Seamless Brightness and Color Adjustment: The MRV328 enables quick and efficient correction of brightness and color inconsistencies that may arise from module or cabinet mismatches. This adjustment is not only user-friendly but also immediate, allowing for real-time corrections that significantly enhance the visual quality of the display.
1.2 Improved Maintenance and Management
Efficient Calibration Data Management: With the MRV328, calibration data can be swiftly uploaded to the receiving cards, streamlining the calibration process and reducing downtime. This feature makes LED displays maintain their optimal settings with minimal interruption to operations.
Customizable Startup and Fail-Safe Imagery: The MRV328 provides the flexibility to pre-store custom images on the receiving card, which can be displayed during startup, or in case of signal loss or network disconnection. This feature is particularly useful in maintaining a professional appearance and viewers are never presented with a blank screen.
Integrated Temperature and Voltage Monitoring: The MRV328 includes built-in sensors for real-time monitoring of temperature and voltage. This capability allows for proactive maintenance, making sure that the system operates within safe parameters and preventing potential hardware issues.
Real-Time Diagnostic Display: An LCD module connected to the cabinet offers a convenient display of critical information, including temperature, voltage, and operational time. This on-the-spot diagnostic tool helps technicians quickly assess the status of the receiving card, facilitating faster troubleshooting and maintenance.
Network Integrity Checks: The MRV328 supports bit error detection, allowing users to monitor the quality of Ethernet port communication. By logging erroneous packets, the system can quickly identify and address network communication issues, keeping smooth data transmission and reliable display performance.
Firmware and Configuration Management: The MRV328 allows for the readback of both firmware and configuration parameters.Users can easily retrieve and save these critical settings, aiding in system updates and troubleshooting.
1.3 Enhanced System Reliability
Redundant Backup Mechanisms: The MRV328 features a loop backup system, where the receiving card is connected to both primary and backup lines. In the event of a failure in one part of the line, the display continues to function normally, providing uninterrupted visual output.
Dual Firmware Storage: To prevent issues during firmware updates, the MRV328 is equipped with dual firmware storage. The card can revert to a stable version of the firmware if an update fails, preventing potential system downtime or errors.
2. Appearance
2.1 Components
| Name | Description |
| HUB75E Connectors | Connect to the module. |
| Power Connector | Connect to the input power. Either of the connectors can be chosen. |
| Gigabit Ethernet Ports | Connect to the sending card, and cascade other receiving cards. Each connector can be used as input or output. |
| Self-Test Button | Set the test pattern. After the Ethernet cable is disconnected, press the button twice, and the test pattern will be displayed on the screen. Press the button again to switch the pattern. |
| 5-Pin LCD Connector | Connect to the LCD. |
| Running Indicator | Green Flashing once every 0.5s: The receiving card is functioning normally. Ethernet cable connection is normal, and video source input is available. Flashing once every 3s: Ethernet cable connection is abnormal. Flashing 3 times every 1s: Ethernet cable connection is normal, but no video source input is available. Flashing once every 0.2s: The receiving card failed to load the program in the application area and is now using the backup program. |
| Power indicator | Red Always on: The power supply is normal. |
2.2 Indicators
| Indicator | Color | Status | Description |
| Running indicator | Green | Flashes once every 0.5 seconds | The receiving card is functioning properly. The Ethernet connection and video source input are both normal. |
| Flashes once every 3 seconds | The Ethernet connection is abnormal. | ||
| Flashes 3 times every 1 second | The Ethernet connection is stable, but no video source input is detected. | ||
| Flashes once every 0.2 seconds | The receiving card couldn’t load the program from the main application area and is using the backup program. | ||
| Power indicator | Red | Constantly on | The power supply is normal. |
2.3 Dimensions
The board thickness is less than 2.0 mm, with a total thickness (including components on both sides) of under 19.0 mm. Grounding (GND) is provided through the mounting holes.
3. Specifications
| Maximum Resolution | 256×256@60Hz (PWM driver ICs) | |
| Electrical Specifications | Input voltage | DC 3.8 V to 5.5 V |
| Rated current | 0.5 A | |
| Rated power consumption | 2.5 W | |
| Operating Environment | Temperature | -20°C to +70°C |
| Humidity | 10% RH to 90% RH, non-condensing | |
| Storage Environment | Temperature | -25°C to +125°C |
| Humidity | 0% RH to 95% RH, non-condensing | |
| Physical Specifications | Dimensions | 145.6 mm × 95.5 mm × 18.3 mm |
| Net weight | 85.5 g | |
| Packing Information | Packing specifications | Each receiving card is packaged in a blister pack. Each packing box contains 100 receiving cards. |
| Packing box dimensions | 625.0 mm × 180.0 mm × 470.0 mm | |
4. Applications
4.1 Digital Signage
Digital signage systems demand high-resolution displays with vibrant colors and smooth transitions. The MRV328 supports high refresh rates and deep color processing.
4.2 Rental and Staging
The MRV328 is built to handle the rigors of rental and staging environments, where displays are frequently assembled, disassembled, and transported. Its compatibility with various NovaStar controllers allows for seamless integration into complex LED display setups, making it ideal for concerts, trade shows, and large-scale events.
4.3 Control Rooms
Control rooms require precise and uninterrupted display of critical information. The MRV328’s high refresh rate and stable performance make it suitable for control room displays where real-time data and video feeds need to be displayed continuously without flicker or lag.
4.4 Sports Arenas and Stadiums
In sports arenas and stadiums, LED displays are used for scoreboards, advertising, and live video feeds. The MRV328’s ability to support large-scale, high-resolution displays makes it a perfect fit for these applications.
4.5 Corporate Environments
For corporate environments, such as conference rooms and auditoriums, the MRV328 facilitates high-quality presentations and video displays. Its integration with NovaStar’s software solutions allows for easy management and customization of content, making sure that corporate communications are delivered effectively. The MRV328’s reliability ensures that meetings and presentations proceed smoothly without technical disruptions.
5. NovaStar MRV Comparison
| Features | MRV328 | MRV208-1 | MRV412 | MRV416 | MRV432 |
| Loading Capacity | 256*256 | 256*256 | 512*512 | 512*384 | 512*512 |
| RGB Parallel Data Group | 16 | 16 | 24 | 32 | 32 |
| HUB Connector | HUB75E | HUB75E | HUB75E | HUB75E | HUB320 |
| Temperature, Voltage, Communication Status | √ | √ | √ | √ | √ |
| Chroma / Brightness Calibration | √ | √ | √ | Brightness Calibration | √ |
| Mapping | × | √ | √ | √ | √ |
| Individual Gamma Adjustment | × | × | √ | √ | √ |
| 18bit+ | × | × | √ | × | √ |
| Color Adjustment | × | × | √ | × | √ |
| 90 Degree Rotation | × | × | √ | × | √ |
6. Price of Nova MRV328
For the most accurate and up-to-date pricing information of the NovaStar MRV328 Receiving Card, we suggest users to register on our LED Screen Cloud Platform.
By registering, you gain access to detailed product prices and exclusive offers tailored to your needs. Additionally, the platform provides a wealth of resources, including expert consultation and the latest resources updates on NovaStar products.
Don’t miss out—register LedInCloud today to get the best pricing for the NovaStar MRV328 Receiving Card and other NovaStar products!
7. NovaStar MRV 328 Resources Download
8. MRV328 NovaStar FAQs
What is the maximum resolution supported by the NovaStar MRV328 Receiving Card?
The MRV328 supports resolutions up to 256×256@60Hz when used with PWM driver ICs.
How does the MRV328 handle brightness and chroma calibration?
The MRV328 supports pixel-level brightness and chroma calibration, working with NovaStar’s high-precision calibration system to eliminate brightness and color discrepancies across the display.
Can I back up firmware on the MRV328 Receiving Card?
Yes, the MRV328 supports dual firmware storage. It stores two copies of the firmware program, allowing you to revert to a stable version if an update fails, thus ensuring uninterrupted operation.
What are the key benefits of using the MRV328 in large-scale LED displays?
The MRV328 is ideal for large-scale displays due to its high-resolution support, robust communication through multiple HUB75E connectors, and advanced calibration features that ensure uniform brightness and color across large areas.
Can the MRV328 Receiving Card be used in rental and staging environments?
Yes, the MRV328’s durability, EMC compliance, and advanced features like 3D support and quick brightness adjustments make it an excellent choice for rental and staging environments where high performance and reliability are essential.
How can I find out the current price of the NovaStar MRV328?
For the most accurate and up-to-date pricing, you can register on our LED Screen Cloud Platform. This platform provides detailed pricing information, product updates, and expert consultation tailored to your needs.