Search: KDL-40EX525
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KDL-40EX525 Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SONYKDL-40EX525
Does not drive, LED flashes 6 timesIn the TECHNICAL MANUAL blink 6x refers to the backlight and/or food of the sameFollowing colleagues, disconnected the power supply of the main board and activated the same externally to see if backligt it worked. It worked perfectly and even stabilized 12V line. I turned the main plate and defect returned, I started searching 12V line in the main and I found early and short protection. Next to the smaller power supply connector has an escape SMD capacitor. Replaces and the TV has been working again normally.Olibio Pereira Estudier
SONYKDL-40EX525
Does not turn on red LED flashing 6 timesShort in backlight line power supplyReplace two transistors that were shorted, these are located before the backlight transformer. Tsound are two resistors in the transistor line, test if they are open, in my case one was open.ELETROSANTOS
SONYKDL-40EX525
Screen with duplicate imageInsulated flat pins 1 to 10Zandro
SONYKDL-40EX525
Flashing red screen, duplicated, with lines and bars.Defective panel.In pfc right connector disable tracks vgma13, vgma14, vgma15.electronics supply parts - Gramado/RS