Intro Summary
Replacement LED backlight kit for 40″ TVs (e.g. V400HJ6, 40D5TDG), two strips per kit—restores LED brightness and picture quality.
Product Overview
This kit includes two aluminum-backed LED strips (each ~745–747 mm, 6 V, 7 LEDs) designed to replace worn-out backlights in 40″ TVs. Compatible with models like V400HJ6-PE1, C400F18-E1, 40D5TDG, SA40S57N, NX-40TFS110, and Hyundai/Element H‑LED40ET3000 . The aluminum base ensures even light distribution and helps dissipate heat for durability.
How to Use
- Unplug and carefully disassemble your TV to access the LCD panel.
- Locate old LED strips, remove them gently.
- Use the included adhesive-backed strips to install new strips in the exact positions.
- Reconnect to the power board (6 V supply).
- Reassemble and power on.
Tips:
- Take clear photos before disassembly for guidance.
- Clean the LED mounting surface before applying new strips.
- Ensure correct electrical polarity when connecting.
- Be cautious and patient to avoid damaging fragile components.
- After reassembly, check for even brightness and color consistency.
Frequently Asked Questions (FAQ)
- Will this kit fit my TV?
Compatible with 40″ models using RF‑BS400S30‑0701S‑01 or RF‑BS400S30‑0701S‑10A2 part numbers. - Is adhesive included?
Yes, these strips typically come with adhesive backing. - How long do they last?
LEDs generally rated for ~50,000 hours of usage . - Can I install them myself?
Yes—many users successfully complete this DIY repair. - What tools are needed?
Small screwdrivers, plastic prying tools, isopropyl alcohol, microfiber cloth. - Warranty?
Usually covered by standard marketplace protection (30–60 days), some offer 12 months . - Do both strips need replacement?
Yes—installing both ensures even brightness across the screen. - What causes backlight failure?
LED degradation, thermal stress, or power supply issues. - Cost compared to TV repair shop?
Kits like this range $20–$75 vs ~$150–$300 for professional service. - Any risks?
Improper installation may cause uneven lighting or damage; follow guides attentively.
User Review Summary
- eBay buyers report fast delivery, proper packaging, and brightness identical to originals .
- One user noted: “Arrived quickly, exactly as described, well packaged… fit absolutely perfectly… quality like new!”
Comparison with Competing Products
| Feature | RF‑BS400S30‑0701S‑01 Kit | Generic 40″ RGB USB Bias Light |
|---|---|---|
| Voltage | 6 V LED strips, fits original power board | USB-powered (5 V) via TV port |
| Installation | Internal replacement; restores original brightness | Surface-mounted external bias lighting |
| Use case | Repair faulty backlight, indoor screen use | Enhances ambiance, not a repair part |
| Price | $20–$75 | $13–$30 |
| Lifespan | ~50,000 hours | Typically 50,000+ hours |
Technical Specifications
- Quantity: 2 strips
- Length: ~745–747 mm each
- LEDs per strip: 7
- Voltage: 6 V
- Thickness: Aluminum base
- Compatibility: RF‑BS400S30‑0701S‑01/10A2
- Life expectancy: ~50,000 hr
Brand or Manufacturer Info
Often OEM-made, sold under generic or Eastern Star branding (e.g., ES-858) . Eastern Star is known in Eastern Europe for TV repair components and offers a 12-month warranty .
Purchase Recommendations
TVparts：https://www.tvparts.store/40inch-led-backlight-kit-rf-bs400s30-0701s-01-2pcs