1. Производот завршиview
This manual provides instructions for the installation and maintenance of the beented LED Backlight Strip, designed as a replacement part for various Samsung UE55H series television models. This set includes 12 individual LED strips, specifically 6 R-type and 6 L-type, each featuring a 7LED+5LED (3V) configuration and a total length of 1158mm. The strips are constructed from copper for optimal performance and durability.

2. Информации за безбедност
WARNING: Installation of LED backlight strips requires opening the television and working with internal electronic components. This procedure should only be performed by qualified technicians or individuals with experience in electronics repair. Improper installation can lead to electric shock, damage to the television, or personal injury.
- Always disconnect the television from the power outlet before beginning any installation or repair work.
- Discharge any residual power in the television's capacitors before touching internal components.
- Wear anti-static gloves and use appropriate tools to prevent electrostatic discharge (ESD) damage to sensitive electronic parts.
- Handle LED strips carefully to avoid bending or damaging the LEDs and connectors.
3. Содржина на пакетот
Проверете дали сите компоненти се присутни и неоштетени пред да продолжите со инсталацијата.
- 6 x R-type LED Backlight Strips (e.g., D4GE-550DCA-R3 R2)
- 6 x L-type LED Backlight Strips (e.g., D4GE-550DCB-R3 R2)

4. Водич за инсталација
This section outlines the general steps for replacing LED backlight strips. Specific disassembly procedures may vary by TV model. Refer to your TV's service manual for detailed instructions.
- Подгответе ја работната површина: Ensure a clean, well-lit, and spacious work surface. Lay a soft, clean cloth or mat to protect the TV screen.
- Исклучете го напојувањето: Исклучете го телевизорот од главниот извор на напојување.
- Расклопете го телевизорот:
- Carefully remove the back cover of the TV.
- Disconnect all cables and connectors leading to the main board, power supply board, and T-con board.
- Remove the stand and any other external components.
- Carefully remove the TV screen panel and diffuser layers to expose the old LED backlight strips. Note the order and orientation of all layers.
- Отстранете ги старите LED ленти:
- Gently peel off the old LED strips from the TV chassis. They are usually held in place by adhesive tape.
- Disconnect any connectors from the old strips.
- Инсталирајте нови LED ленти:
- Identify the R-type and L-type strips. The strips are labeled (e.g., D4GE-550DCA-R3 R2 for R-type, D4GE-550DCB-R3 R2 for L-type) and often have directional arrows.
- Align the new strips with the mounting points on the TV chassis. Ensure the directional arrows match the original orientation or the TV's internal markings.
- Press firmly to secure the adhesive on the back of the new strips.
- Поврзете ги каблите за напојување со новите LED ленти.

Слика 3: Прample of LED strip labels and directional arrows (up for R-type, down for L-type) for correct orientation. 
Слика 4: Детално view of LED strip connectors and individual LEDs. - Тестирајте го задното осветлување: Before reassembling the entire TV, temporarily connect the power and turn on the TV to verify that all new LED strips illuminate correctly. Immediately disconnect power after testing.
- Повторно склопете го телевизорот: Carefully re-install the diffuser layers and screen panel in the correct order and orientation. Reconnect all internal cables and secure the back cover.
- Завршен тест: Plug in the TV and perform a full functional test.
5. Упатства за работа
Once properly installed, the LED backlight strips operate automatically with your television. They will illuminate when the TV is powered on and turn off when the TV is powered off or in standby mode. No specific user interaction is required for the backlight strips themselves.
6. Одржување
The LED backlight strips are designed for long-term, maintenance-free operation once installed. However, general care for your television will help prolong the life of all components, including the backlights.
- Чувајте го телевизорот во добро проветрено место за да спречите прегревање.
- Избегнувајте изложување на телевизорот на екстремни температури или влажност.
- Do not attempt to clean the LED strips directly once installed. For external cleaning of the TV, follow the manufacturer's recommendations.
7 Смена на проблеми
If you experience issues after installing the new LED backlight strips, consider the following:
| Проблем | Можна причина | Решение |
|---|---|---|
| Нема позадинско осветлување / темен екран / темен екран |
|
|
| Треперење или нееднаква осветленост |
|
|
Доколку чекорите за решавање проблеми не го решат проблемот, се препорачува да побарате помош од професионален техничар за поправка на телевизори.
8. Спецификации
| Карактеристика | Детал |
|---|---|
| Тип на производ | LED лента за задно осветлување |
| Компатибилни модели на телевизори | Samsung UE55H6260SU, UE55H6270AS, UE55H6270SS, UE55H6290AS, UE55H6290SS, UE55H6400AK, UE55H6400AW, UE55H6400AY |
| Strip Configuration | 12 Pieces/set (6*R, 6*L) |
| LEDs per Strip (R+L) | 7LED + 5LED (3V) |
| Total Strip Length | 1158 мм |
| Материјал | Бакар |
| Димензии на пакетот (приближно) | 59 см (должина) x 1 см (ширина) x 1 см (висина) |
| Тежина на пакетот (приближно) | 0.02 кг |
9. Кориснички совети
- Двојна проверка на компатибилноста: Always confirm the exact model number of your TV and compare it with the compatible models listed for these LED strips before purchase and installation. Slight variations can lead to incompatibility.
- Организирајте ги компонентите: During disassembly, keep track of all screws and parts, noting their original positions. Using a magnetic mat or labeled containers can be very helpful.
- Нежно ракување: The diffuser sheets and LCD panel are extremely fragile. Handle them with utmost care, preferably with two people, to avoid cracks or damage.
- Чистота: Ensure the inside of the TV, especially the area where the new strips are installed and the diffuser layers, is free of dust and fingerprints before reassembly to prevent image quality issues.
10. Гаранција и поддршка
For warranty information, technical support, or inquiries regarding this product, please contact the seller directly through the platform where the purchase was made. Keep your purchase receipt or order number handy for faster service.