PPTV50vu4 backlight is not bright.

You can see the problem by taking the screen apart. Pay special attention to repairing led TV, and the light bar tester is not allowed.

PPTV Internet TV: Also known as PPLive, it is an online video software developed and operated by Shanghai Juli Media Technology Co., Ltd. It is the world's leading, largest and most influential Chinese video media, which comprehensively aggregates and collects various hot video contents such as movies, sports, entertainment and information, featuring live video and professional production. PPCLOUD, an Internet-based video cloud platform, includes a PC webpage and a client. Mobile phones and PAD mobile terminals, as well as Internet TV and set-top boxes cooperating with licensees, provide users with fresh, timely, high-definition and interactive Internet TV media services.

It is an Internet TV technology platform provider invested by many internationally renowned venture capital companies, serving the Internet users in China and around the world, and is the leading enterprise of the fifth generation of new network media. Juli Media has been committed to the development, promotion and application of new generation streaming media transmission technology and network video technology. It is the first Internet video enterprise to export China's independent intellectual property technology and patents overseas, and it has been widely cited by internationally renowned enterprises/institutions (Harvard, MIT, Microsoft Research Institute).