Do you have a you're working with? I can help you verify if the JUQ470 is the exact match for your hardware.
Most JUQ470 strips are made of , which offer better heat dissipation than older FR4 (fiberglass) versions. Technical Specs typically include: Voltage: 3V or 6V per LED bulb (check your specific model). juq470 full
If you can see a faint image on the screen when you shine a flashlight directly against the glass, but the screen is otherwise black, your JUQ470 strips have likely burnt out. Do you have a you're working with