NovaStar DH7508-S LED Screen Receiving Card
$ 12.00
NovaStar DH7508-S receiving card with 8 HUB75E connectors and up to 16 parallel RGB groups. Specification V1.0.2 lists 512 × 384 at 60 Hz. Check the hardware revision, module wiring and configuration before replacement.
10000 in stock
NovaStar DH7508-S receiving card for eight HUB75E outputs
The NovaStar DH7508-S receives display data from a compatible sending device and drives LED modules through eight standard HUB75E connectors. It supports up to 16 groups of parallel RGB data, making the module pin assignment and cabinet wiring important parts of a replacement check.
The linked NovaStar specification is V1.0.2, dated March 25, 2023. It lists a maximum single-card resolution of 512 × 384 at 60 Hz. Confirm the physical card revision, driver IC, scan mode and receiver configuration before applying that limit to your screen.
DH7508-S specifications
| Documented maximum resolution | 512 × 384 pixels at 60 Hz |
|---|---|
| Module interface | 8 HUB75E connectors |
| Parallel RGB data | Up to 16 groups |
| Input voltage | DC 3.8–5.5 V |
| Rated current / consumption | 0.5 A / 2.5 W; consumption varies with use |
| Dimensions | 95.5 × 109.1 × 18.5 mm |
| Card weight | 72.4 g |
| Operating conditions | −20°C to +70°C; 10–90% RH, non-condensing |
The 60 Hz loading condition does not specify the LED module’s refresh rate. Screen performance also depends on the module, driver IC and settings. Check the full system against your required image quality and operating conditions.
Display adjustment and supported functions
Pixel brightness and chroma calibration works with NovaStar’s calibration system. Dark or bright line adjustment helps correct visible seams between modules or cabinets. The card also supports image rotation in 90-degree steps.
RGB independent gamma adjustment requires a compatible sending card and NovaLCT V5.2.0 or later in the documented workflow. The 3D function requires a sending card that supports 3D. Confirm the software, firmware and sending hardware together when planning either feature.
Testing and maintaining an existing cabinet
Either Gigabit Ethernet port can serve as input or output. The power connections are alternatives; select one and check the supply voltage and polarity. Before changing module cables, disconnect power and compare the HUB75E pinout with your module documentation.
For a local test pattern, the specification instructs users to disconnect the Ethernet cable and press the self-test button twice. Further presses switch the pattern. Save the existing configuration before maintenance and reconnect the system according to its original wiring.
Temperature and voltage monitoring reports card conditions. Ethernet bit-error detection helps diagnose communication problems; it does not guarantee that a system cannot fail. Firmware and configuration readback can support maintenance backups. The documented bit-error detection and firmware readback functions require NovaLCT V5.2.0 or later.
Replacement information to prepare
Send the existing board model and revision, module driver IC, scan mode, cabinet pixel dimensions, sending-device model and clear connector photos. Retain the working configuration files. Contact EagerLED for a compatibility check or browse our LED receiving cards before selecting an alternative.
NovaStar DH7508-S questions
What does the linked specification say about capacity?
V1.0.2 lists 512 × 384 pixels at 60 Hz. Match that document to the card revision and module configuration before sizing a cabinet.
Does loop backup work without a backup cable path?
No. The sending card and receiving cards need primary and backup line connections forming the documented loop.
Can the card retain an image for loss of signal?
The specification supports a configurable pre-stored image for startup, a disconnected Ethernet cable or no video signal. Confirm the setup and firmware for the installed card.
Where are the pinout and mounting dimensions?
Download the NovaStar DH7508-S specification PDF for the connector diagram, dimensional drawing and indicator descriptions.
Which DH7508-S firmware should I use?
Confirm the card revision, module driver IC, scan mode and sending-device model before selecting firmware. Save the working receiver configuration and firmware first; the documented firmware readback function requires NovaLCT V5.2.0 or later. The linked specification PDF is a technical reference, not a firmware package. Contact EagerLED with your board details to check the appropriate version.
| Weight | 0.3 kg |
|---|
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