LCD TV repair no backlight black screen troubleshooting guide for Sony Bravia, bad inverter board

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Methods to use Multimeter to learn / take a look at backlight inverter board liquid crystal display television elements like transformers and unhealthy diodes, unplug TV when testing elements however when studying voltages TV have to be plugged in, act at your individual threat.
high multimeter i exploit is Fluke 12 and 114
Notice: on Sony TVs kdl-52v4100 or kdl-52w4100 the 6 or 13 purple blinking led gentle is error code for backlight failure so verify energy board dc volts then inverter boards.

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