DBSTAR HRV12A75 Receiving Card for LED Walls
HUB75 Output, PWM Support and 10-Bit HD Signal Processing
article number: 12395 | manufacturer number: HRV12A75
The DBSTAR HRV12A75 is a receiving card for professional LED wall and LED display systems. It handles signal processing within the LED cabinet and passes the image data to the connected LED modules.
The receiving card is suitable for use in indoor and outdoor LED walls, fixed installations, rental systems, and service applications where existing DBSTAR-based LED systems need to be expanded, repaired, or maintained.
The HRV12A75 features HUB75 outputs, allowing it to be connected directly to compatible LED modules or LED cabinet wiring. A separate HUB75 adapter card may not be required depending on the system setup.
This makes the card particularly suitable for LED cabinets designed for compact internal wiring and direct signal distribution to the modules.
The DBSTAR HRV12A75 supports LED drivers with PWM technology. This allows for higher refresh rates and more stable display of static and moving content.
The revised grayscale processing particularly improves the rendering of dark image areas. This is important for LED walls, as low grayscale levels can otherwise quickly appear noisy, blotchy, or uneven.
The receiving card is designed for use in synchronous LED display systems and supports 10-bit HD video sources. In combination with suitable DBSTAR sending technology, it can be used in professional LED setups for clean image output.
Depending on the system configuration, image transmission can also be carried out via a 1000M network card from a PC. The specific setup, however, depends on the DBSTAR controller used, the software, and the LED cabinet configuration.
The HRV12A75 supports automatic capture of error and status information. This simplifies diagnostics during service work and helps to identify faults in the LED system more quickly.
Particularly with existing LED walls, it is important to back up or document the existing configuration, module assignment, scan type, and software parameters before replacing a receiving card.
Receiving cards for LED walls are system-dependent components. The compatibility of the DBSTAR HRV12A75 depends on LED modules, scan mode, HUB75 pin assignment, controller, firmware, and software configuration.
Before replacement, it should therefore be verified that the card is compatible with the existing DBSTAR controller and the LED cabinet wiring. For service or spare parts requirements, we recommend having the existing card, cabinet configuration, or a photo of the current wiring available.
- DBSTAR HRV12A75 Receiving Card for LED wall systems
- For professional LED displays, LED cabinets, and service use
- Integrated HUB75 outputs for compatible LED module wiring
- Supports LED drivers with PWM technology
- Improved grayscale processing for low brightness levels
- Support for 10-bit HD video sources
- Automatic capture of error and status information
- Compatible with DBSTAR-based LED control systems
- Compatibility dependent on controller, LED modules, and cabinet configuration
Real product can look different to picture
techn. Specs▲
| Display Support | Supported screen type | single color, dual-color, full-color, real pixel, virtual pixel |
|---|---|---|
| Supported LED drivers | MBI5030/5036/5039/5041/5042/5224/5050/6020/6030/6024/5224/LPD6803/DM413/SUM2030/29/32/17/18/19/MY9266/68/69/SM16157/TB62D722RFT3630/SD16749/P2502 | |
| Sending Card | Pixels by single sending card | 1280 × 1024 (dual ports) |
| Number of receiving cards connected by cable | < 100 (typical), 256 (max) | |
| Receiving Card | Pixels by single receiving cards | 256 × 128 (¼ full color, ¼ scan) 1024 × 512 (¼ dual color, ¼ scan) |
| RGB data groups by single receiving card | 16-24 (typical), 24 (max) | |
| Display Performance | Lines by one group RGB | 1/2/4/8/16/32 (typical), 32 (max) |
| Grey grades | 4096 (4k) (typical), 65536 (64k) (max) | |
| Data CLK frequency | 15.62 MHz (typical), 31.25 MHz (max) | |
| Refresh Rate | Refresh rate | 180 Hz (typical), > 3600 Hz (at MBI5042) (max) |
| Brightness wastage | 15-20% (typical), < 5% (max) | |
| Brightness Control | PWM brightness adjust degree | 256 (may automatically adjust by brightness sensor) |
| Electronic current plus brightness adjustment grade | 64/256 (according to led drivers) | |
| Error Detection | Dot by dot revise pixels by PWM brightness | 64 × 64 (typical), 256 × 256 (max) |
| Circuit Protection | Pixels on open circuit and short circuit error detection | static: ≤ 32048 × 16, ¼: 1/2, ≤ 31024 × 16, ¼ 1/4: ≤ 32048 × 16, ¼: 1/8, ≤ 44096 × 16, ¼: 1/16, ≤ 68192 × 16 |
| Transmission | Fiber transmission distance | Multi-mode fiber: ≤ 500 meters, ¼; single-mode fiber: ≤ 10 KMs |
| Other functions | Power on gradual protection 亮GOE Polarity switch protect screen scan tubes, led screen self-detecting | |
| Network Function | No sending card function | Sending images by 1000M network card PC |
Questions & Answers▲
What is the DBSTAR HRV12A75 used for?
The DBSTAR HRV12A75 is a receiving card for professional LED wall and LED display systems. It handles signal processing within the LED cabinet and passes image data to the connected LED modules.
What type of output does the HRV12A75 feature?
The card features integrated HUB75 outputs, allowing direct connection to compatible LED modules or LED cabinet wiring without necessarily requiring a separate HUB75 adapter card, depending on the system setup.
Is the receiving card suitable for both indoor and outdoor LED walls?
Yes, the HRV12A75 is suitable for use in both indoor and outdoor LED walls, as well as fixed installations, rental systems, and service applications based on DBSTAR technology.
Does the card support PWM technology?
Yes, the HRV12A75 supports LED drivers with PWM technology, which enables higher refresh rates and more stable display of both static and moving content on the LED wall.
How does the card handle grayscale rendering in dark image areas?
The receiving card features revised grayscale processing that specifically improves the rendering of dark image areas. This helps prevent common issues such as noisy, blotchy, or uneven display at low grayscale levels.
What video signal resolution and bit depth does the HRV12A75 support?
The card supports 10-bit HD video sources, making it compatible with high-quality image input in professional LED display environments when used with suitable DBSTAR sending technology.
Is the HRV12A75 designed for synchronous LED control systems?
Yes, the receiving card is designed for use in synchronous LED display systems. In combination with a compatible DBSTAR sending card and appropriate software, it enables clean and coordinated image output.
Can image data be transmitted from a PC using a network connection?
Depending on the system configuration, image transmission can be carried out via a 1000M network card from a PC. The specific setup depends on the DBSTAR controller used, the software version, and the LED cabinet configuration.
Does the card include automatic error detection?
Yes, the HRV12A75 supports automatic error detection functionality, which assists in identifying faults within the LED display system and is particularly useful in service and maintenance scenarios.
Can the HRV12A75 be used to repair or expand existing DBSTAR-based LED systems?
Yes, the card is explicitly suited for expanding, repairing, or maintaining existing LED systems that are based on DBSTAR technology, making it a practical replacement or spare part for service applications.
Is the HRV12A75 compatible with compact LED cabinet designs?
The integrated HUB75 output and direct signal distribution design make the card particularly well suited for LED cabinets that rely on compact internal wiring layouts.
product safety (GPSR)▲