1. Classification of Black Screen Issues and Corresponding Solutions Black Screen Type Accompanying Symptoms Possible Causes Repair Cost Complete Black Screen Power light off Power board failure 50-100 RMB Backlight On, No Image Indicator light stays on Main board / Logic board issue 100-300 RMB Screen Lights Up Then Turns Off Indicator light blinks Backlight … Read more
Today, a fellow villager mentioned he had three TVs and asked if I would recycle them. Two are 21-inch CRTs, and one is a 32-inch LCD. With the hope of finding a bargain, I brought them back. One CRT won’t power on, and the other has interference lines. Even if repaired, they wouldn’t sell for … Read more
RT809H Programmer Tutorial: Introduction to the Direct Write Function for EMMC Chip on TV Mainboards EMMC Direct Write Boot Program Operation Demonstration Video: Smart TVs are very common in the market today, and the repair of TV mainboards often involves data copying. Using the RT809H programmer allows for easy reading of normal machine data for … Read more