NovaStar MRV408-S LED Receiving Card
$ 12.00
NovaStar MRV408-S receiving card with 8 HUB75E connectors and 16 parallel RGB data groups. V1.0.0 lists 8-bit source loading up to 512 × 512 at 60 Hz with PWM driver ICs or 512 × 384 with common ICs. Check cabinet wiring, mounting dimensions and configuration before replacement.
10000 in stock
NovaStar MRV408-S receiving card with 8 HUB75E connectors
The NovaStar MRV408-S connects the LED control system to the modules inside a cabinet. Its eight standard HUB75E connectors carry up to 16 groups of parallel RGB data. For a replacement or new cabinet, check the number of module cables, cabinet pixel dimensions and board mounting space together.
The specifications below follow MRV408-S Specifications V1.0.0, released September 18, 2026. The loading figures apply to an 8-bit video source and distinguish PWM driver ICs from common driver ICs. Confirm the actual hardware revision, firmware and module configuration before ordering.
MRV408-S technical specifications
| Module connections | 8 standard HUB75E connectors |
|---|---|
| Parallel RGB data | Up to 16 groups |
| PWM driver IC load | Up to 512 × 512 pixels at 60 Hz with an 8-bit source |
| Common driver IC load | Up to 512 × 384 pixels at 60 Hz with an 8-bit source |
| Input voltage | DC 3.8–5.5 V |
| Rated current / power | 0.4 A at 4.2 V / 1.68 W |
| Dimensions / net weight | 91.6 × 107.5 × 19.3 mm / 73.7 g per receiving card |
| Operating environment | −20°C to +70°C; 10–90% RH, non-condensing |
Actual power consumption varies with settings, use and environmental conditions. The 60 Hz value belongs to the stated pixel-loading condition; it does not specify the LED module refresh rate.
Check eight-connector cabinet wiring before replacement
Sixteen RGB data groups do not mean sixteen physical module connectors. Match the eight HUB75E ports to the existing ribbon cables, then compare the pin assignments, scan mode and driver IC. Check mounting holes and power-connector access against the drawing in the specification PDF.
If the cabinet requires more physical connections, compare the MRV412-S with 12 HUB75E connectors. A similar maximum pixel load does not establish replacement compatibility. Save the working receiver parameters and calibration files before changing hardware.
Display adjustment and latency conditions
- Image consistency: color management, 18bit+, pixel-level brightness and chroma calibration, seam correction and multi-batch adjustment support display tuning. Pixel calibration works with NovaStar’s calibration system.
- Low latency: V1.0.0 describes one frame at the receiving card only when the module driver IC has built-in RAM. Assess the rest of the signal chain separately.
- Rotation and 3D: 90° image rotation is supported. Free-angle rotation requires the dedicated MCTRL R5 controller and SmartLCT; 3D output requires a controller supporting 3D.
- Individual RGB gamma: this adjustment works with NovaLCT and a controller that supports the function.
Cabinet mapping, diagnosis and recovery
Data-group mapping helps identify group positions inside a cabinet. Mapping 2.0 displays controller, Ethernet-port and receiver information to help trace wiring; its cabinet resolution mapping supports a minimum of 36 × 20 pixels. Temperature, voltage, bit-error and cable-disconnection monitoring provide troubleshooting information.
Firmware and configuration readback help retain maintenance records. Loop backup requires primary and backup cable paths between the controller and receivers. Configuration backup provides a factory-area copy of receiver parameters, while dual program backup stores two firmware copies. Plan each recovery method for its specific failure condition.
MRV408-S selection questions
Can MRV408-S run 512 × 512 pixels with every module?
No. V1.0.0 specifies that limit at 60 Hz with an 8-bit source and PWM driver ICs. The corresponding common-driver-IC limit is 512 × 384. Check the module configuration and usable load for the actual project.
Is the board interchangeable with MRV412-S?
Confirm compatibility first. MRV408-S has eight HUB75E connectors; MRV412-S has twelve. Compare the connector layout, mounting dimensions, module wiring and saved receiver configuration.
Does firmware backup replace an Ethernet backup cable?
No. Dual program backup protects firmware recovery. Loop backup addresses cable-path faults and needs the appropriate primary and backup connections.
What information is needed for a replacement check?
Send clear board photos, the existing configuration file, cabinet pixel dimensions, driver IC and scan mode when you contact EagerLED. You can also browse our LED receiving cards.
Technical reference: NovaStar MRV408-S specification PDF, V1.0.0, including pin definitions and the mounting drawing.
| Weight | 0.5 kg |
|---|
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