| Specification | Details |
|---|---|
| TV Model | Samsung UA40HA4250R |
| Display Size | 40 inches |
| Display Type | HD Ready LED |
| Resolution Support | 1366 × 768 (HD) |
| Motherboard Part Number | BN41-02156 / BN94-07357S (varies by batch) |
| Main IC / Chipset | Samsung SoC / Novatek or MSD-based depending on version |
| Operating System | Proprietary Samsung OS (Non-Smart) |
| Smart Features | Not supported (Non-Smart TV) |
| Connectivity Ports | 2 x HDMI, 1 x USB, Component In, AV In, RF In, Optical Audio Out |
| Audio Support | Dolby Digital, 2CH Audio Output |
| Power Supply Compatibility | Works with compatible PSU (AC 100–240V input, 12V output to main board) |
| Backlight Type | LED (Edge Lit) |
| Panel Compatibility | Compatible with Samsung 40” HD LED panels (e.g., CY-GH040BGSV1H) |
| Remote Compatibility | Samsung Standard IR Remote (Non-smart) |
| Common Fault Symptoms | No display, backlight ON but no picture, no power, red light blinking |
The LG 43LH576T-TD motherboard (typically marked as EAX66883503 or EAX66883504) is the primary control board for the LG 43-inch Full HD Smart LED TV. It manages all critical TV functions including video and audio processing, input/output control, and smart features powered by LG’s NetCast or early webOS platform. Supporting a 1920×1080 resolution, it delivers clear picture quality and smooth performance, with integrated support for Dolby Digital sound, Virtual Surround, and Clear Voice technologies. The board includes 2 HDMI ports, 1 USB port, AV input, RF input, LAN port, built-in Wi-Fi, and optical digital audio out, enabling versatile connectivity and access to online content like YouTube and Netflix. As the central unit linking the panel, power supply, and firmware, this motherboard is essential for the TV’s smart and multimedia capabilities, and is commonly replaced in cases of no power, signal failure, or HDMI issues.
SONY (KLV-40BX400) MOTHERBOARD 





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