no-graphics-led-rv-Repair

1 год назад

This video demonstrates how to troubleshoot a 32-inch LED TV with a dim screen and no picture. The repair involves identifying the source of the missing voltage and replacing a faulty capacitor. The video provides a step-by-step guide for viewers to follow along and learn how to fix a similar issue.

2 года назад

This video demonstrates how to troubleshoot a Philips LCD TV with a blank screen. The technician checks the panel's voltage readings and identifies a potential issue with the panel driver circuit or COF. They then proceed to measure the voltages of the COF and make a connection to the T-Con board. The video ends with the technician turning on the TV to see if the picture appears.

1 год назад

This video demonstrates how to troubleshoot a white screen issue on an LED TV. The issue is caused by a faulty IC that is responsible for generating the VGL and VGH voltages. The video shows how to connect a converter module to generate these voltages and resolve the white screen problem.

1 год назад

This video shows a repair process for a 32-inch LED TV with a black screen. The technician identifies a problem with the SM4186 IC and uses a datasheet to troubleshoot the issue. They check various voltage levels and cut connections to the vertical clock pulses to try and resolve the problem.