NovaStar NV7512 LED Receiving Card with 12 HUB75E Interfaces
$ 14.00
NovaStar NV7512 receiving card with 12 HUB75E interfaces and up to 24 parallel RGB data groups. Compare V1.0.1 loading limits for 8-bit and 10-bit sources, then check driver IC, cabinet wiring and the 91.5 × 145.6 mm board footprint before replacement.
10000 in stock
NovaStar NV7512 receiving card with 12 HUB75E interfaces
The NovaStar NV7512 connects LED cabinet modules through 12 standard HUB75E interfaces and supports up to 24 groups of parallel RGB data. Its interface layout is a practical starting point for a cabinet replacement: count the module cables, check the board dimensions, then verify the required pixel load.
This reference follows the Chinese NV7512 specification V1.0.1, dated April 27, 2026. Loading depends on the video source bit depth and the module driver IC. Confirm the actual hardware revision, firmware and controller configuration before ordering.
NV7512 loading limits by source bit depth
| Driver IC | 8-bit source | 10-bit source |
|---|---|---|
| PWM driver IC | 512 × 512 pixels | 512 × 256 pixels |
| Common driver IC | 512 × 384 pixels | 512 × 192 pixels |
Check the source format before using the maximum figure in a cabinet design. The 10-bit limits differ from the 8-bit limits. These values describe pixel loading at 60 Hz; they are not the LED module’s refresh-rate specification.
Power, dimensions and installation checks
| HUB75E interfaces | 12 |
|---|---|
| Parallel RGB data groups | Up to 24 |
| DC input | 3.8–5.5 V |
| Rated current / power | 0.5 A / 2.5 W |
| Board dimensions | 91.5 × 145.6 × 19.3 mm |
| Net card weight | 92.1 g |
| Operating environment | −20°C to +70°C; 10–90% RH, non-condensing |
Actual current and power vary with settings, environment and use. Allow room for the board, ribbon cables, Ethernet connectors and power wiring. Match the mounting positions and module pin assignments to the installed hardware.
Display features and their operating conditions
- Color consistency: color management supports standard and custom gamuts. Pixel-level brightness and chroma calibration works with NovaStar’s calibration system; seam and multi-batch adjustments help tune differences across modules or cabinets.
- Grayscale: 18bit+ supports grayscale improvement at low brightness. Select the source loading limit separately from this image-processing feature.
- Low latency: the documented one-frame value applies at the receiving card when LED modules use driver ICs with built-in RAM. Evaluate the complete video chain separately.
- 3D and gamma: 3D requires a supporting controller. Individual RGB gamma adjustment works with NovaLCT and a controller supporting that function.
- Rotation: the image can rotate in 90° increments: 0°, 90°, 180° and 270°.
Trace cabinet wiring and retain maintenance files
Data-group mapping helps locate each group in the cabinet. Mapping 1.1 displays controller, Ethernet-port and receiver numbers to make the physical wiring easier to trace. Temperature, voltage, bit-error and cable-disconnection-count monitoring support troubleshooting. A cabinet LCD module can display receiver temperature, voltage and runtime information.
Read back and save firmware, receiver parameters and calibration files before maintenance. Loop backup requires primary and backup cable paths between the controller and receiving cards. Dual program backup stores two firmware copies to help recover from abnormal firmware updates. Plan the wiring and file backup as separate maintenance steps.
NV7512 selection questions
Does 24-group RGB support mean 24 module connectors?
No. NV7512 has 12 physical HUB75E interfaces and supports up to 24 parallel RGB data groups. Check the cable count and data layout together.
Can I use 512 × 512 pixels with a 10-bit source?
That is the documented 8-bit limit for PWM driver ICs. V1.0.1 lists 512 × 256 at 60 Hz for a 10-bit source with PWM driver ICs, or 512 × 192 with common driver ICs.
How does its connector count compare with NV7508?
NV7512 provides 12 HUB75E interfaces; NovaStar NV7508 provides eight. Confirm each model’s loading conditions, dimensions and configuration before considering a replacement.
What should I send for a compatibility check?
Contact EagerLED with board photos, the controller model, cabinet pixel dimensions, source bit depth, module driver IC and scan mode. Browse our LED receiving cards to compare other cabinet requirements.
Technical reference: NovaStar NV7512 specification PDF in Chinese, V1.0.1, for the version history, detailed functions and dimensions.
| Weight | 1 kg |
|---|
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