NovaStar DH436, DH3208 & MRV432 HUB320 Receiving Cards
Price range: $ 17.00 through $ 19.20
Compare three NovaStar HUB320 receiving-card models for LED cabinets. DH436 has six connectors and up to 24 groups of parallel RGB data; DH3208 and MRV432 each have eight connectors and up to 32 groups. Loading limits and dimensions are model-specific—check the matching specification before ordering.
NovaStar HUB320 Receiving Card Comparison
This listing covers DH436, DH3208 and MRV432 receiving cards. They share the HUB320 connection family but have different connector counts, loading specifications and physical sizes. Select the model that matches the LED cabinet, module wiring and driver IC.
| Parameter | DH436 | DH3208 | MRV432 |
|---|---|---|---|
| HUB320 connectors | 6 × 26-pin | 8 | 8 |
| Parallel RGB / serial data | Up to 24 groups / 64 groups | Up to 32 groups / 64 groups | Up to 32 groups / 64 groups |
| Maximum load in linked specification | PWM IC: 512 × 384; general IC: 384 × 256 pixels | 512 × 512 pixels | 512 × 512 pixels |
| Input voltage | 3.3–5.5 V DC | 3.3–5.5 V DC | 3.3–5.5 V DC |
| Rated current / consumption | 0.5 A / 2.5 W | 0.5 A / 2.5 W | 0.5 A / 2.5 W |
| Dimensions (mm) | 138.9 × 66.4 × 17.1 | 145.7 × 91.5 × 18.4 | 145.7 × 91.5 × 18.4 |
| Net weight per card | 68.0 g | 100.0 g | 100.0 g |
| Operating conditions | −20°C to +70°C; 10–90% RH, non-condensing | −20°C to +70°C; 10–90% RH, non-condensing | −20°C to +70°C; 10–90% RH, non-condensing |
| Storage conditions | −25°C to +125°C; 0–95% RH, non-condensing | −25°C to +125°C; 0–95% RH, non-condensing | −25°C to +125°C; 0–95% RH, non-condensing |
| Document revision | V1.1.0, September 11, 2020 | V1.2.1, December 3, 2021 | V1.0.1, July 30, 2021 |
DH436 Loading Capacity and Version Note
The original page stated 512 × 256 pixels for DH436. Its linked V1.1.0 specification instead lists 512 × 384 for PWM driver ICs and 384 × 256 for general driver ICs, and requires NovaLCT V5.3.0 or later for the stated maximum capacity. These figures are not interchangeable; confirm the installed card revision and driver IC before setting the cabinet load.
V1.1.0 documents brightness calibration with NovaLCT and NovaCLB, quick dark/bright line adjustment, 3D with a compatible sending card, and individual RGB Gamma adjustment. The original listing’s broader brightness/chroma wording should not be assumed to apply identically to every DH436 revision.
DH3208 and MRV432 Setup
The linked DH3208 and MRV432 documents each specify up to 512 × 512 pixels, eight HUB320 connectors, 32 groups of parallel RGB data or 64 groups of serial data. Both document pixel-level brightness and chroma calibration, dark/bright line adjustment, 3D, individual RGB Gamma adjustment and image rotation in 90° increments.
3D needs a supporting sending card. Independent RGB Gamma adjustment needs a compatible sending card and NovaLCT V5.2.0 or later. Matching headline specifications does not establish that the two models are interchangeable; verify pin definitions, firmware and cabinet configuration.
Maintenance and Backup
The documents cover Mapping, temperature and voltage monitoring, cabinet LCD support, bit-error detection, firmware readback and configuration readback. Use NovaLCT V5.2.0 or later for the documented bit-error detection and firmware readback functions. Primary and backup network lines are required for loop backup; dual configuration and program backups provide additional recovery options.
Frequently Asked Questions
What is the main difference between DH436, DH3208 and MRV432?
DH436 has six HUB320 connectors and supports up to 24 parallel RGB groups. DH3208 and MRV432 each have eight HUB320 connectors and support up to 32 parallel RGB groups. Loading limits and board dimensions must be checked separately.
Is DH436 rated for 512 × 256 or 512 × 384 pixels?
The original page stated 512 × 256. The linked V1.1.0 specification lists 512 × 384 for PWM ICs and 384 × 256 for general ICs, with NovaLCT V5.3.0 or later for its maximum loading specification. Confirm the applicable revision before using these values.
Can DH3208 and MRV432 support serial data?
Yes. Their linked specifications each list up to 64 groups of serial data, as an alternative to up to 32 groups of parallel RGB data. Use the appropriate interface diagram for the chosen data mode.
Do these receiving cards provide 3D without a compatible sending card?
No. The documented 3D function requires a sending card that supports 3D. Match the complete signal chain and configuration to the selected receiving-card model.
Can I replace DH436 directly with DH3208 or MRV432?
Do not assume a direct replacement. DH436 has a different connector count and board size. Check module pinout, mounting holes, power input, driver ICs, firmware and the cabinet configuration before selecting another model.
Original Product Images
Model-Specific Specification Downloads
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