Unlike incandescent bulbs, leds are still evolving in their light efficiency, so their wattage is not a proxy for lumens. Some manufacturers put a label like "40W incandescent replacement" on the package to help consumers choose. Simply put, you can't use W to represent the light flux of an LED bulb. Myth two, the greater the LED power, the brighter the brightness. It is generally believed that the greater the power of LED, its lumen, that is, the greater the luminous flux, the brighter the brightness will be.
3411AGG 7-segment
3411AGG LED
3411BGG Display
3411BGG
If the surface is damaged or the internal line is damaged, it needs to be replaced with a new LED data cable.If it has not been repaired, it should be that chip 245 of the LED unit board is broken. Check the corresponding foot of 595 with a multimeter to see if it is powered on. If it is not powered on, it needs to be repaired. The LED advertising screen is not bright. If the display screen is not bright, check the main control business card printing power supply, focus on the control card power supply LED power supply, if damaged, you can replace a new power supply.
4041AS LED
4041AS 0.40 inch
4041BS 7-Segment
4041BS Display
