HRV16A75 LED Receiving Card Overview
The DBStar HRV16A75 is an LED receiving card with HUB75E output, E/SR signals and 24 groups of RGB data. It supports 16-bit chroma or brightness correction, with a different pixel limit for each mode.
Specifications
| Parameter | Specification |
|---|---|
| Output interface | HUB75E, including E/SR signals |
| Scan support | 32 scan |
| RGB data | 24 groups |
| 16-bit chroma correction | Up to 128 × 256 pixels per card |
| 16-bit brightness correction | Up to 256 × 512 pixels per card |
| Signal buffer chips | 18 × 74HC245 |
| LED driver support | Basic constant-current and dual-latch LED driver chips |
| Auxiliary connections | 5-pin button and indicator sockets |
Calibration and Configuration
The card supports fast loading of calibration parameters, firmware version readback, and configuration and parameter file readback. These functions help retrieve the existing setup when servicing a display.
Choose the correction mode before checking cabinet pixel requirements. The 128 × 256 and 256 × 512 limits apply to different correction modes and should not be treated as interchangeable.
Frequently Asked Questions
What is the pixel capacity of the HRV16A75?
The card supports up to 128 × 256 pixels with 16-bit chroma correction, or up to 256 × 512 pixels with 16-bit brightness correction.
Which output interface does it use?
It uses HUB75E output with E/SR signals and supports 32 scan and 24 groups of RGB data.
Can I read back the card configuration?
Yes. Firmware version, configuration file and parameter file readback are supported.
What should I check before replacing an LED receiving card?
Compare the exact card model, HUB75E signal assignment, module scan requirements and calibration mode with your existing cabinet. Keep a copy of the current configuration before replacement.
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