NovaStar MRV328 Receiving Card
Model: MRV328
Brand: NovaStar
Change History
| Document Version | Release Date | Description |
|---|---|---|
| V1.2.4 | 2021-08-25 | Updated the description of features. Updated the appearance diagram. Added the certification related description. |
| V1.2.3 | 2021-02-06 | Updated the product introduction. Updated the certification information. |
| V1.2.2 | 2020-09-11 | Optimized the product introduction. Optimized the feature description. Optimized the legends in the appearance diagram. Optimized the indicator description. Optimized the dimensions diagram. Added the pin description. |
Introduction
The MRV328 is a general receiving card that supports up to 1/32 scan. A single MRV328 loads up to 256x256 pixels. Supporting various functions such as pixel level brightness and chroma calibration, quick adjustment of dark or bright lines, and 3D, the MRV328 can significantly improve the display effect and user experience. The MRV328 uses 8 standard HUB75E connectors for communication, resulting in high stability. It supports up to 16 groups of parallel RGB data. Thanks to its EMC compliant hardware design, the MRV328 has improved electromagnetic compatibility and is suitable for various on-site setups.
Features
Improvements to Display Effect
- Pixel level brightness and chroma calibration: Working with NovaLCT and calibration platform (CalCube MiniLED V1.1.0 or later recommended), the receiving card supports brightness and chroma calibration on each LED, which can effectively remove color differences and chroma differences and greatly improve display brightness consistency and chroma consistency, allowing for better image quality.
- Quick adjustment of dark or bright lines: The dark or bright lines caused by splicing of modules or cabinets can be adjusted to improve the visual experience. The adjustment is easy and takes effect immediately.
- 3D function: Working with the sending card that supports 3D function, the receiving card supports 3D output.
Improvements to Maintainability
- Quick uploading of calibration coefficients: Upload the calibration coefficients quickly to the receiving cards to improve efficiency.
- Setting of a pre-stored image in receiving card: The image displayed during startup, or displayed when the Ethernet cable is disconnected or there is no video signal can be customized.
- Temperature and voltage monitoring: The receiving card temperature and voltage can be monitored without using peripherals.
- Cabinet LCD: The LCD module connected to the cabinet can display the temperature, voltage, single run time and total run time of the receiving card.
- Bit error detection: The Ethernet port communication quality of the receiving card can be monitored and the number of erroneous packets can be recorded to help troubleshoot network communication problems. NovaLCT V5.2.0 or later is required.
- Firmware program readback: The receiving card firmware program can be read back and saved to the local computer. NovaLCT V5.2.0 or later is required.
- Configuration parameter readback: The receiving card configuration parameters can be read back and saved to the local computer.
Improvements to Reliability
- Loop backup: The receiving card and sending card form a loop via the primary and backup line connections. When a fault occurs at a location of the lines, the screen can still display the image normally.
- Dual program backup: Two copies of firmware program are stored in the receiving card at the factory to avoid the problem that the receiving card may get stuck due to program update exception.
Appearance
The receiving card features multiple connectors and indicators. On the top side, there are 8 HUB75E connectors, a power connector, a running indicator, and a power indicator. The bottom side also features HUB75E connectors, a power connector, and Gigabit Ethernet Ports. Ground (GND) connections are available for mounting holes.
Note: All product pictures shown in this document are for illustration purpose only. Actual product may vary.
Indicators
| Indicator | Color | Status | Description |
|---|---|---|---|
| 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. |
Dimensions
The board thickness is not greater than 2.0 mm. The total thickness (board thickness + thickness of components on the top and bottom sides) is not greater than 19.0 mm. Ground connection (GND) is enabled for mounting holes.
Pins
The MRV328 receiving card features multiple pin connectors, primarily HUB75E connectors and Gigabit Ethernet Ports. The following table details the pin definitions and their corresponding numbers across the connectors (J1-J8), which are consistent for each signal.
| Signal Name | Pin Definition | Pin Numbers (J1-J8) | Description |
|---|---|---|---|
| Ground | GND | 16, 4 | |
| Latch signal | HLAT | 14 | |
| Line decoding signal | HD | 12 | |
| HB | 10 | ||
| HE | 8 | ||
| G | 6 | ||
| 2 | |||
| Display enable | HOE | 15 | |
| Shift clock | HDCLK | 13 | |
| Line decoding signal | HC | 11 | |
| HA | 9 | ||
| B | 7 | ||
| R | 5 | ||
| B | 3 | ||
| 1 |
Specifications
| Category | Specification | Details |
|---|---|---|
| Electrical Specifications | Input voltage | DC 3.3 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 x 95.5 mm x 18.4 mm |
| Net weight | 85.5 g | |
| Packing Information | Packing specifications | An antistatic bag and anti-collision foam are provided for each receiving card. Each packing box contains 100 receiving cards. |
| Packing box dimensions | 650.0 mm × 500.0 mm × 200.0 mm | |
| Certifications | RoHS, EMC Class A |
Note: The amount of current and power consumption may vary depending on factors such as product settings, usage, and environment.
Certifications
The product is certified with RoHS and EMC Class A.
Note: If the product does not have the relevant certifications required by the countries or regions where it is to be sold, please apply for the certifications yourself or contact NovaStar to apply for them.
