1. Producte acabatview
This manual provides instructions for the replacement of LED backlight strips compatible with various Hisense 48-inch LCD TV models. These strips are designed to restore the display's illumination, offering bright, cold white light with efficient power consumption.
Figure 1: Individual LED Backlight Strip (Model: SVH480A08_4LED_REC02 150416)
Figure 2: Complete Set of LED Backlight Strips (9 pieces)
2. Especificacions
| Característica | Detall |
|---|---|
| Codi original | SVH480A08_4LED_REC02 150416 |
| Material PCB | PCB d'alumini |
| Color de llums LED | Blanc Fred |
| Mida de la retroiluminació LED | 480 mm x 15 mm |
| Quantitat de LED per tira | 4 LED |
| Complete Set Quantity | 9 pieces per set (This product includes 5 such sets) |
| Alimentació LED | 1W per LED (total 2W per strip, as marked "3030-2W-3V") |
| Voltage per LED | 3V |
| Lamp Lluminós | 90-130lm/leds |
| Marques aplicables | Hisense |
| Models de televisors compatibles | LED48EC520UA, LED48K300U, 48K220PW, LED48EC290N |
| Compatible Screen Model | HD480DF-E82\S0 |
| Certificació | CE |
Figura 3: Especificacions detallades del producte
3. Configuració i instal·lació
Replacing TV backlight strips requires technical expertise and careful handling of electronic components. It is highly recommended that installation be performed by a qualified technician to avoid damage to the TV or personal injury.
3.1 Precaucions de seguretat
- Always disconnect the TV from the power source before beginning any repair work.
- Discharge any residual power from capacitors before touching internal components.
- Wear anti-static gloves and use appropriate tools to prevent electrostatic discharge (ESD) damage.
- Handle the LCD panel with extreme care to prevent breakage.
3.2 Passos d'instal·lació (orientació general)
- Carefully disassemble the TV casing and remove the LCD panel to access the backlight assembly.
- Locate and disconnect the old LED backlight strips. Note their orientation and connection points.
- Remove the old strips. These strips feature an aluminum PCB and FA4 base plate for efficient heat dissipation.
- Install the new LED backlight strips, ensuring they are correctly aligned and securely fastened within the TV panel. The strips are 480mm long with 4 LEDs each, designed for Hisense 48-inch TVs.
- Connect the new strips to the TV's power supply using the original terminals. The interface connection points are designed for easy assembly.
- Before reassembling the entire TV, perform a preliminary power-on test to ensure the new backlights function correctly.
- Carefully reassemble the LCD panel and TV casing.
Figure 4: Demonstration of LED Backlight Strips Installed in a TV Panel
Figure 5: Interface Connection Point on the LED Strip
Figure 6: FA4 Base Plate for Enhanced Heat Dissipation
4. Instruccions de funcionament
These LED backlight strips are internal components of your television. Once correctly installed, they operate automatically as part of the TV's display system. There are no direct user operating controls for the backlight strips themselves.
Figure 7: Bright LED Chip and Special Optical Lens Design for optimal light distribution and energy efficiency.
5. Manteniment
The LED backlight strips are designed for long-term, maintenance-free operation once installed. No routine maintenance is required for these components. To ensure the longevity of your TV and its new backlights:
- Eviteu exposar el televisor a temperatures o humitat extremes.
- Assegureu-vos que hi hagi una ventilació adequada al voltant del televisor per evitar el sobreescalfament.
- Clean the TV screen and exterior with a soft, dry cloth. Do not use harsh chemicals.
6. Solució De Problemes
If you experience issues after installing the new LED backlight strips, consider the following:
- Sense retroiluminació / Pantalla tènue:
- Verify all connections to the LED strips are secure and correctly seated.
- Ensure the TV's power supply unit is functioning correctly and providing the necessary voltage.
- Confirm that the new strips are fully compatible with your specific TV model.
- Brillantor desigual / Taques fosques:
- Check for any physical damage or bending of the LED strips during installation.
- Ensure the optical lenses on each LED are intact and properly positioned.
- Retroiluminació intermitent:
- This could indicate an issue with the TV's LED driver board or an unstable power supply. Consult a technician if the issue persists after checking connections.
For complex issues, professional diagnosis and repair are recommended.
7. Garantia i Suport
These LED backlight strips come with a 2 any de garantia des de la data de compra, que cobreix els defectes de fabricació. Conserveu el comprovant de compra per a reclamacions de garantia.
For technical support or warranty inquiries, please contact the seller or your authorized service provider.
8. Consells d'usuari
- Verificar la compatibilitat: Abans de la compraasing, always double-check the model numbers of your TV and existing backlight strips against the product specifications to ensure full compatibility. Even slight variations can lead to improper fit or function.
- Instal·lació professional: Due to the delicate nature of TV disassembly and reassembly, especially involving the LCD panel, professional installation is strongly advised. This minimizes the risk of damage to your television.
- Manejar amb cura: When handling the strips, avoid bending or applying excessive pressure to prevent damage to the LEDs or the PCB.
