1. Úvod
Welcome to the Novastar DH7512-S Receiving Card user manual. This document provides essential information for the proper installation, configuration, operation, and maintenance of your DH7512-S receiving card. The DH7512-S is an advanced LED display control solution designed for precision, reliability, and ease of management, supporting high-resolution and refresh rates for various indoor and outdoor LED applications.
Please read this manual thoroughly before using the product to ensure safe and efficient operation. Keep this manual for future reference.
2. Bezpečnostní informace
Dodržujte následující bezpečnostní opatření, abyste zabránili poškození produktu nebo zranění osob:
- Zajistěte napájení objtage is within the specified range (DC 3.8V–5.5V).
- Nevystavujte zařízení vlhkosti, vodě ani extrémním teplotám.
- Avoid static discharge when handling the card. Use anti-static precautions.
- Do not attempt to disassemble or modify the card. Refer all servicing to qualified personnel.
- Zajistěte správné větrání, aby nedošlo k přehřátí.
3. Konec produktuview
The Novastar DH7512-S Receiving Card is a key component for controlling LED display panels, offering advanced features for visual excellence and system reliability.
3.1 Klíčové vlastnosti
- Podpora vysokého rozlišení: Supports up to 512×512@60Hz for PWM driver ICs and 512×384@60Hz for common driver ICs.
- Advanced Display Optimization: Features pixel-level brightness calibration, seam correction (with TU series), and individual RGB gamma adjustment.
- Vestavěná diagnostika: Includes Mapping 1.1, real-time temperature and voltage monitoring, cabinet LCD data display, and bit error detection.
- Spolehlivý výkon: Ensures uninterrupted operation with loop backup and dual-program firmware.
- Rozšířená konektivita: Equipped with 12 standard HUB75E connectors supporting 24 groups of RGB data, plus gigabit Ethernet ports.
3.2 Komponenty a rozhraní
The DH7512-S card features various connectors and components for integration into an LED display system.

Obrázek 1: Detailní záběr view of the Novastar DH7512-S Receiving Card, highlighting the main chip and various components. The model number DH7512-S is clearly visible on a label. A QR code with identifier '2JAD13A16M4M10059787' is also present on a chip.

Obrázek 2: Angled perspective of the DH7512-S card, illustrating the arrangement of the 12 HUB75E output ports, dual Gigabit Ethernet input/output ports, and the 5V power input terminal.

Obrázek 3: Shora dolů view of the receiving card, providing a clear layout of all connectors, including the HUB75E interfaces (JH1-JH12), Ethernet ports (J6), and power input (J17). Another QR code with identifier 'MJAD12413M4A10307343' is visible.
4. Nastavení a instalace
4.1 Předpoklady
- Compatible LED display modules (PWM or common driver ICs).
- Novastar sending card or controller.
- NovaLCT software (V5.2.0 or later) installed on a Windows PC.
- Ethernet cables for connection.
- Napájení DC 5V.
4.2 kroky instalace
- Montáž: Securely mount the DH7512-S receiving card within the LED cabinet using appropriate fasteners.
- Připojení napájení: Connect a stable DC 5V power supply to the designated power input terminal (J17) on the receiving card. Ensure correct polarity.
- Data Connection to LED Modules: Connect the HUB75E output ports (JH1-JH12) on the receiving card to the corresponding input ports on your LED display modules using flat ribbon cables. Follow the data flow direction specified by your LED module manufacturer.
- Ethernetové připojení: Connect an Ethernet cable from the Novastar sending card or controller to one of the Gigabit Ethernet ports (J6) on the DH7512-S. For cascading multiple receiving cards, connect the output Ethernet port of the first card to the input Ethernet port of the next card in the chain.
- Zapnutí systému: Once all connections are verified, power on the LED display system.
5. Návod k obsluze
5.1 Software Configuration (NovaLCT)
The Novastar DH7512-S is configured and managed using the NovaLCT software (version 5.2.0 or later).
- Připojit PC: Connect your PC running NovaLCT to the sending card or directly to the receiving card's Ethernet port (for specific configurations).
- Konfigurace obrazovky: Open NovaLCT and navigate to the 'Screen Configuration' section.
- Načíst konfiguraci: Load the appropriate RCFG (receiving card configuration) file for your LED modules. If no file is available, use the 'Smart Setting' function to automatically detect and configure the module parameters.
- Mapování: Configure the display mapping to define the physical layout of your LED modules.
- Brightness and Gamma: Adjust brightness, contrast, and individual RGB gamma settings for optimal visual performance.
- Seam Correction: For fine-tuning, use the seam correction feature, which can be accessed via NovaLCT or a mobile app with NovaStar TU series controllers.
5.2 Základní obsluha
Once configured, the DH7512-S operates automatically, displaying content sent from the Novastar sending card. Monitor the system status through NovaLCT for real-time diagnostics.
6. Údržba
Regular maintenance ensures the longevity and optimal performance of your DH7512-S receiving card:
- Odstranění prachu: Periodically clean the card and its connectors using a soft brush or compressed air to prevent dust accumulation.
- Kontrola připojení: Regularly inspect all cable connections (power, data, Ethernet) to ensure they are secure and free from damage.
- Aktualizace firmwaru: Check the Novastar official website for the latest firmware updates. Apply updates as recommended to improve performance and add new features.
- Kontrola prostředí: Zajistěte, aby provozní prostředí zůstalo v rámci specifikovaného rozsahu teploty a vlhkosti.
7. Řešení problémů
This section addresses common issues you might encounter with the DH7512-S receiving card.
| Problém | Možná příčina | Řešení |
|---|---|---|
| LED modules not displaying content. | No power to receiving card; incorrect data connection; incorrect software configuration. | Verify 5V power supply; check HUB75E cable connections; ensure correct RCFG file is loaded in NovaLCT. |
| Display shows abnormal colors or flickering. | Incorrect RCFG file; loose data cables; electromagnetic interference. | Re-configure RCFG file using Smart Setting; check all data cable connections; ensure proper grounding and shielding. |
| Receiving card not detected by NovaLCT. | Ethernet cable issue; network configuration problem; sending card not powered or faulty. | Check Ethernet cable integrity; verify network settings on PC; ensure sending card is powered and functioning. |
| Display shows partial content or incorrect mapping. | Incorrect display mapping in NovaLCT. | Re-configure the display mapping in NovaLCT to match the physical layout of your LED modules. |
8. Technické specifikace
Detailed specifications for the Novastar DH7512-S Receiving Card:
| Funkce | Specifikace |
|---|---|
| Max Resolution (PWM ICs) | 512 × 512 @ 60 Hz |
| Max Resolution (Common ICs) | 512 × 384 @ 60 Hz |
| Konektory | 12× HUB75E, Gigabit Ethernet, 5-pin LCD, Self-test Button |
| Softwarová kompatibilita | NovaLCT v5.2.0+ |
| svtage Vstup | DC 3.8V–5.5V |
| Spotřeba energie | 2.5W |
| Rozměry (D׊×V) | 145.7 × 91.5 × 18.3 mm (5.74"D × 3.6"Š × 0.72"V) |
| Hmotnost | 93.1 g (0.205 lb) |
| Provozní teplota | -20°C až +70°C |
| Certifikace | RoHS, EMC Class A |
| Model Number (Mfr Part) | DH7508 |
| UPC / GTIN | 850056190084 |
9. Záruka a podpora
For warranty information, technical support, or service inquiries, please refer to the official Novastar website or contact your authorized Novastar dealer. Ensure you have your product model number (DH7512-S) and serial number (if applicable) ready when seeking support.