NovaStar MRV328 LED Receiving Card with 8 HUB75 Connectors
$ 25.00
NovaStar MRV328 is a synchronous LED receiving card with eight integrated HUB75 connectors.
- Up to 256 × 256 pixels in the V1.0.0 reference
- Pixel brightness/chroma calibration and status monitoring
- Configuration and firmware readback with NovaLCT V5.0.0 or later in the document
Out of production and no longer available. Send the installed card and screen details to discuss replacement compatibility.
Out of stock
The NovaStar MRV328 is an LED receiving card with eight integrated HUB75 connectors and a documented single-card load of up to 256 × 256 pixels. It supports NovaLCT-based pixel brightness/chroma calibration, monitoring and pre-stored images for synchronous LED display systems.
Legacy product: the existing EagerLED listing states that MRV328 is out of production and no longer available. Use this page to identify installed equipment and prepare a replacement inquiry. Check the module pinout, driver IC, scan arrangement and saved configuration before choosing another card.
MRV328 specifications
Reference: NovaStar Product Description V1.0.0, NS110100409, released January 10, 2018. The overview gives the 256 × 256-pixel load without a refresh-rate condition; confirm the required timing with the actual LED modules.
| Item | Specification |
|---|---|
| Single-card load | Up to 256 × 256 pixels in the V1.0.0 overview. |
| Module connections | Eight standard HUB75 connectors; integrated module connections remove the need for a separate HUB adapter in the documented arrangement. |
| Network connections | Gigabit Ethernet ports; the document describes sending-card and PC-based no-sending-card system modes. |
| Power | 3.3–5.0 V DC input; 0.5 A rated current; 2.5 W rated consumption. |
| Environment | Operating/storage temperature −20°C to +70°C; operating humidity 10%–90% RH. |
| Dimensions / weight | 144.0 × 91.5 × 16.0 mm in the specification table; net weight 85.5 g. See the mechanical note below for clearance. |
| Compliance reference | EMC Class A and RoHS listed in V1.0.0. |
Mechanical note: the hardware chapter specifies board thickness no greater than 2.0 mm and total component thickness no greater than 17.0 mm. Its drawing includes a 145.5 mm extent alongside the 144.0 mm board dimension. Use the detailed drawing and inspect the actual card for mounting and connector clearance.
NovaLCT setup, calibration and readback
Pixel-level brightness and chroma calibration is configured through NovaLCT. The card can also use specified images at startup, when the Ethernet cable is disconnected or when the video source is unavailable. These are configured display states, rather than scheduled media-player functions.
NovaLCT provides status checks for card temperature, voltage, Ethernet cable communication and video source signals. The document requires NovaLCT V5.0.0 or later for reading back stored configuration information and firmware versions. Retain the existing configuration and identify the firmware before replacement.
A general NovaStar 5-pin LCD module is supported for displaying temperature, voltage, session operating time and total operating time. Confirm the matching connection and module separately; the support statement does not establish that an LCD is included.
Sending-card and no-sending-card system modes
In the documented sending-card mode, the LED controller connects the source equipment to the MRV328 receiving system. The no-sending-card illustration shows a PC installed with NovaLCT connected to the receiving card. Both are synchronous arrangements requiring a computer/source workflow; verify the intended mode and cabling against the original document.
The green status indicator distinguishes normal operation by mode: the document lists a 1-second interval for no-sending-card mode and 0.5-second interval for sending-card mode. Other patterns indicate cable, source or program-loading conditions. Consult the indicator table before diagnosing a failed card.
Original MRV328 product photos
MRV328 FAQ
Does MRV328 need a separate HUB board?
It integrates eight standard HUB75 connectors for the documented module arrangement. Verify the module connector pinout and scan requirements instead of assuming that every HUB75-labelled module is compatible.
Can it play content independently without a computer?
The linked description covers a synchronous receiving system. Its no-sending-card example still uses a PC with NovaLCT. Pre-stored startup or signal-loss images are separate from standalone program playback.
What should I send for a replacement check?
Provide card front/rear photos, module resolution, driver IC, scan details, cabinet mapping and controller model. Include the saved configuration and firmware version when available.
Download and replacement support
Download MRV328 Product Description V1.0.0 for the full pinout, mechanical drawing, indicator table and networking diagrams. Browse LED receiving cards or contact EagerLED to discuss a replacement for your installed screen.
| Weight | 0.35 kg |
|---|
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