DBS-HRV11A LED Panel Receiving Card
The DBStar DBS-HRV11A provides LED panel data reception, calibration and screen configuration. For a replacement, compare the board markings and product photos with the installed card, then confirm the module wiring and driver chip.
Specifications
| Parameter | Specification |
|---|---|
| Standard power input | 3–5 V |
| Custom power option | 2.5–18 V; customization required |
| 16-bit color correction | 128 × 128 pixels |
| 16-bit brightness correction | 256 × 128 pixels |
| Receiving cards per network cable | Typically fewer than 100; maximum 255 |
| RGB data groups | Typically 16–24; maximum 24 |
| Scan support | 1–32 scan |
| Grayscale levels | Typical 4096 (4K); maximum 65536 (64K) |
| Data clock | Typical 15.62 MHz; maximum 31.25 MHz |
| Refresh rate listed | 180–3600 Hz; driver dependent, e.g. MBI5050 |
| Brightness adjustment | 256 levels; sensor-based automatic adjustment supported |
| Current-gain brightness adjustment | 64/128/256 levels, depending on LED driver |
Load Configurations and Driver Support
The source lists full-color load configurations of 256 × 128 and 512 × 384; with the expansion port, 256 × 192 and 512 × 512. It also lists 1024 × 512 and 1280 × 512 for its “color” mode, without clearly defining that mode in the English text. Confirm the applicable configuration rather than treating all figures as interchangeable maxima.
The original driver list is: 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. Confirm the exact chip designation, as the source uses abbreviated and combined names.
Additional functions include screen rotation, a stored screen for signal loss, multifunction-card and brightness-sensor support, and red, green, blue, horizontal, vertical, diagonal and grid self-tests.
Frequently Asked Questions
Can the standard HRV11A be powered at 18 V?
The standard input is 3–5 V. The 2.5–18 V range is listed as a customized option, so verify the supplied version before applying power.
What are the calibration load limits?
16-bit color correction is listed at 128 × 128 pixels and 16-bit brightness correction at 256 × 128 pixels.
How many receiving cards can be cascaded on one cable?
The listed typical count is fewer than 100, with a maximum of 255. The actual configuration must also meet the system load requirements.
Does it support rotation and automatic brightness?
Screen rotation is supported. Automatic brightness adjustment uses the appropriate multifunction card and brightness sensor.
How can I identify the correct replacement board?
Compare the exact DBS-HRV11A label and connector layout with the photos below, and confirm driver-chip support and the saved cabinet configuration.
Product Photos
