1. محصول تمام شدview
This LED backlight strip kit is designed as a replacement part for various Grundig 43-inch television models. It provides the necessary illumination for the TV's display panel, restoring picture quality in cases of backlight failure.
2. مشخصات
| ویژگی | جزئیات |
|---|---|
| نوع محصول | LED Backlight Strip |
| مواد | آلومینیوم |
| ترکیب کیت | 8 pieces per TV (4x R-type, 4x L-type) |
| Strip 1 (R-type) | 4 pieces, 3 LEDs (3V each), 360mm length |
| Strip 2 (L-type) | 4 pieces, 4 LEDs (3V each), 490mm length |
| گواهینامه | CCC |
| مبدا | سرزمین اصلی چین |
| ابعاد بسته بندی | 60 سانتی متر (طول) × 4 سانتی متر (عرض) × 4 سانتی متر (بالا) |
| وزن بسته بندی | 0.3 کیلوگرم |
Compatible Grundig TV Models:
- 43 CLE 5845
- 43 CLE 6845
- 43 CLX 7820
- ۴۰ جی اف بی ۵۰۰۰
- 43 GUB 8862
- 43 GUB 8865
- 43 GUT 9867
- 43 VLE 5830
- 43 VLX 5730
- 43 VLX 6000 BP
- 43 VLX 6900 BP
- 43 VLX 7730 SP
- 43 VLX 7810
- 49 GUB 8762 (Note: This model is 49-inch, please verify compatibility before purchase)
3. راه اندازی و نصب
هشدار: TV repair, especially involving internal components, can be dangerous and should only be performed by qualified technicians. Always unplug the TV from the power outlet before beginning any disassembly or installation. Static electricity can damage electronic components; use appropriate anti-static precautions.
- آماده سازی:
- Ensure the TV is unplugged and cooled down.
- Lay the TV screen-down on a soft, clean surface to prevent scratches.
- Gather necessary tools: screwdrivers, plastic prying tools, anti-static wrist strap.
- جداسازی قطعات:
- Carefully remove the back cover of the TV.
- Disconnect any cables or connectors that obstruct access to the display panel.
- Remove the outer bezel and carefully lift the LCD panel and diffuser layers. These components are fragile.
- Old Backlight Removal:
- Locate the existing LED backlight strips.
- Gently peel off the old strips, noting their orientation and connection points.
- Clean any adhesive residue from the TV chassis.
- New Backlight Installation:
- Align the new LED strips with the designated slots in the TV chassis.
- Remove the protective film from the adhesive backing on the new strips and firmly press them into place. Ensure proper alignment for optimal light distribution.
- Connect the power cables to the new LED strips.
- مونتاژ مجدد:
- Carefully place the diffuser layers and LCD panel back into position. Ensure no dust or debris is trapped between layers.
- Reattach the outer bezel and the back cover.
- Reconnect all previously disconnected cables.
- تست کردن:
- Before fully securing all screws, plug in the TV and power it on to test the new backlights.
- Verify that the entire screen illuminates evenly and without flickering.
- If successful, unplug the TV and secure all screws.
4. دستورالعمل های عملیاتی
Once correctly installed, the LED backlight strips operate automatically as part of your television's display system. There are no user-adjustable settings directly related to the backlight strips themselves.
- روشن/خاموش برق: The backlights will turn on and off with your TV.
- کنترل روشنایی: Adjust the TV's brightness settings via the television's remote control or on-screen menu. This will control the intensity of the LED backlights.
- حالت های تصویر: Different picture modes (e.g., Standard, Cinema, Dynamic) may affect backlight intensity and color temperature.
5. تعمیر و نگهداری
LED backlight strips are generally maintenance-free once installed. However, proper care of your television can help prolong their lifespan:
- اجتناب از دماهای شدید: Do not expose the TV to excessively high or low temperatures, as this can degrade LED performance over time.
- تهویه: Ensure the TV's ventilation ports are not blocked to prevent overheating, which can shorten the lifespan of electronic components, including backlights.
- تمیز کردن: When cleaning the TV screen, use a soft, lint-free cloth and a specialized screen cleaner. Avoid spraying liquids directly onto the screen or into the TV's vents.
- نوسانات برق: Consider using a surge protector for your TV to protect against electrical fluctuations.
6 عیب یابی
If you encounter issues after installing the new LED backlight strips, consider the following troubleshooting steps:
- No Picture / Dim Picture:
- مطمئن شوید که تمام اتصالات به نوارهای LED محکم و به درستی نصب شدهاند.
- Ensure the TV's power supply unit (PSU) is functioning correctly. A faulty PSU can prevent backlights from receiving power.
- Check if any individual LEDs on the strips are visibly damaged or not illuminating.
- روشنایی ناهموار / نقاط تاریک:
- This could indicate improper placement of the diffuser layers or the LCD panel during reassembly. Carefully re-open the TV and ensure all layers are correctly aligned.
- Ensure the LED strips are firmly adhered and not lifting, which could cause light leakage or uneven distribution.
- نور پس زمینه سوسو زننده:
- اتصالات شل را بررسی کنید.
- A faulty LED driver board (if separate from the main board) could be the cause.
- TV Powers On but No Display:
- If you hear sound but see no picture, it strongly suggests a backlight issue. Re-check all installation steps.
- Ensure the T-Con board and its connections to the LCD panel are secure.
If issues persist, it is recommended to consult a professional TV repair technician.
7. نکات کاربر
As no specific user reviews or Q&A were provided, these tips are based on general best practices for TV backlight replacement:
- عکس گرفتن: Document each step of the disassembly process with photos. This will be invaluable during reassembly.
- پیچها را مرتب کنید: Keep screws organized by type and location. Using a magnetic mat or labeled containers can prevent confusion.
- با احتیاط رفتار کنید: The LCD panel and diffuser sheets are extremely delicate. Handle them by the edges and avoid touching the display surface.
- اقدامات احتیاطی استاتیک: Always use an anti-static wrist strap to prevent damage to sensitive electronic components.
- بررسی سازگاری: Double-check the model numbers on your existing strips against the product specifications to ensure full compatibility before installation.
8. گارانتی و پشتیبانی
This product is a replacement component. Specific warranty details are typically provided by the seller at the time of purchase. Please refer to your purchase documentation for warranty information.
For technical support or inquiries regarding this product, please contact the seller directly through the platform where the purchase was made. The seller's store name is NV-NV-99 Store.
