Fixing LCD Screen Corruption of a Tektronix TDS220 Oscilloscope

Introduction The TDS220 Oscilloscope Opening Up the TDS220 Common TDS220 issues Replacing the power supply capacitors LCD Panel Corruption Extracting the LCD Panel LCD Panel Capacitor Replacement LCD Panel Backlight Replacement Fixing the Square Wave Issue Conclusion References Footnotes Introduction I found a Tektronix TDS220 oscilloscope at the Silicon Valley Electronics Flea Market . The seller…