NovaStar NV7512 LED Receiving Card
The NV7512 provides 12 standard HUB75E connectors and up to 24 parallel RGB data groups for LED module control. It combines color and calibration functions with cabinet mapping, monitoring and backup features.
Before selecting a cabinet layout, check both the driver IC category and source bit depth. The NV7512 supports different maximum resolutions for PWM versus general driver ICs and for 8-bit versus 10-bit video.
Specifications
| Parameter | Specification |
|---|---|
| HUB75E connectors | 12 |
| Parallel RGB data | Up to 24 groups |
| PWM driver IC / 8-bit source | 512 × 512 at 60 Hz |
| PWM driver IC / 10-bit source | 512 × 256 at 60 Hz |
| General driver IC / 8-bit source | 512 × 384 at 60 Hz |
| General driver IC / 10-bit source | 512 × 192 at 60 Hz |
| Input voltage | DC 3.8 V to 5.5 V |
| Rated current / rated power | 0.5 A / 2.5 W |
| Operating conditions | −20°C to +70°C; 10% RH to 90% RH, non-condensing |
| Storage conditions | −40°C to +85°C; 0% RH to 95% RH, non-condensing |
| Dimensions | 91.5 × 145.6 × 19.3 mm |
| Net weight | 92.1 g per card |
Actual current and power depend on settings, operating environment and usage. The downloadable specification includes connector pin definitions and mechanical drawings.
Color, Calibration and Rotation
The NV7512 supports standard Rec.709, DCI-P3 and Rec.2020 color gamuts as well as custom gamuts. 18bit+, pixel-level brightness and chroma calibration, quick adjustment of bright or dark seams, and multi-batch adjustment help address visible differences between modules and cabinets. Calibration requires the NovaStar calibration system; coefficients can be uploaded, read back, saved and erased.
Independent RGB gamma adjustment works with NovaLCT and a supporting controller. The image can rotate by 0°, 90°, 180° or 270°. Low latency down to one frame at the receiving-card end requires driver ICs with built-in RAM, while 3D output requires a 3D-capable controller.
Cabinet Mapping and Reliability
Data group mapping locates each group in the cabinet. Mapping 1.1 displays controller, Ethernet port and receiving-card numbers, with port-specific text colors. Stored images can be configured for power-on, cable disconnection and loss of video input.
The card supports temperature and voltage monitoring, cabinet LCD display, bit-error detection, Ethernet disconnection counting, firmware readback and configuration readback. Loop backup requires primary and backup lines; dual program backup provides a second firmware copy for recovery.
Product Photo and Download

Download the NV7512 specification (Chinese PDF)
Frequently Asked Questions
How many RGB data groups does the NV7512 support?
It supports up to 24 parallel RGB data groups through 12 standard HUB75E connectors.
What changes when the NV7512 uses a 10-bit video source?
At 60 Hz, the loading limit is 512 × 256 pixels with a PWM driver IC or 512 × 192 pixels with a general driver IC. The corresponding 8-bit limits are 512 × 512 and 512 × 384 pixels.
Can the NV7512 display a stored image when the signal is lost?
Yes. Stored-image settings cover startup, Ethernet cable disconnection and loss of the video source.
Can the card temperature and voltage be monitored?
Yes. The NV7512 monitors its own temperature and voltage without additional peripherals. A cabinet LCD module can also display temperature, voltage and runtime information.
What should I check before replacing a receiving card with an NV7512?
Check the HUB75E pinout, module driver IC, cabinet resolution, source bit depth, DC input voltage and mounting dimensions. Use the exact NV7512 specification and the existing cabinet configuration to confirm the fit.





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