Articles

• TV UART: how to find the port and connect safely

  How to find UART on a TV board, what to check with a multimeter, typical port settings.

• Checking electrolytic capacitors by ESR: why and how to read the result

  Why capacitance alone does not show a bad capacitor and how to use ESR in repairs.

• Wrong panel settings: symptoms and what to change in the firmware

  Typical symptoms of wrong LVDS settings: bit depth, mapping, ports A/B, MSB/LSB, inversion.

• Repair log and customer documents: work order, certificate, warranty card

  Why keep a repair log and which documents to give the customer.