LED backlight kit (2 strips) for 40″ TVs—restores brightness and clarity; ideal for DIY TV repairs.
Product Overview
The RF‑BS400S30‑0701S‑01 LED backlight kit includes two strips (each ~746 mm long) with seven 6 V LEDs, designed to restore display brightness in 40″ TVs. It’s compatible with models like 40D5TDG, V400HJ6‑PE1, F40D7300C/W, SA40S57N, LGU40D5TN, ODL40671F‑TB, and others.
How to Use
- Power off and unplug the TV.
- Carefully remove the back panel and disconnect existing LED strips.
- Match connector orientation and gently install the new strips.
- Reassemble and power on to check uniform brightness.
Tip: Handle strips by edges to avoid damage; ensure correct 6 V supply and polarity.
Frequently Asked Questions (FAQ)
- Will this kit fit my TV? – Compatible with a range of 40″ models as listed above.
- How long are the strips? – Approximately 746 mm each.
- What voltage? – Each LED is rated at 6 V.
- How many LEDs per strip? – Seven.
- How many strips included? – Two per kit.
- Can I use only one strip? – You’ll need both for even panel illumination.
- Do I need a special power supply? – Use the TV’s existing LED driver.
- How to prevent damage? – Handle carefully, avoid touching LEDs directly.
- How long does install take? – Usually under 30 minutes if you’re comfortable opening the TV.
- Warranties available? – Varies by seller; check before purchasing.
User Review Summary
User reviews from eBay sellers indicate reliable and well‑packaged products at fair prices, with minimal damage reported: “A quality product at a very fair price in brand new condition!” .
Comparison with Competing Products
- Basic RF‑BS400S30‑0701S‑01 kits on eBay sell for ~$20–21 per pair .
- Amazon listings (e.g. by DUKOU or CRSTAL brands) offer similar kits, often marketed as generic or “unbranded,” with comparable specs and often weighted around 50 g .
The RF‑BS400S30 kit is a cost‑effective, widely compatible solution with plenty of vendor options.
Technical Specifications
Item Weight: ~50 g
Length: ~746 × 12 × 7 mm
LED per strip: 7
Voltage per LED: 6 V
Connector: 3‑pin
Compatible Brands/Models: Changhong, Dexp, Hyundai, Skyworth, Alpha, National, Princess CAIO, Saba, LGU, OK
Brand or Manufacturer Info
These kits are typically generic replacement parts, manufactured broadly for compatibility with several TV brands like Changhong, Dexp, Hyundai, Skyworth, etc. They’re often sold by suppliers specializing in TV spare parts.
Purchase Recommendations
TVParts: https://www.tvparts.store/40inch-led-backlight-kit-rf-bs400s30-0701s-01-2pcs