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



How to use Multimeter to read / test backlight inverter board lcd tv parts like transformers and bad diodes, unplug TV when testing parts but when reading voltages TV must be plugged in, act at your own risk.
top multimeter i use is Fluke 12 and 114
Note: on Sony TVs kdl-52v4100 or kdl-52w4100 the 6 or 13 red blinking led light is error code for backlight failure so check power board dc volts then inverter boards.

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Post time: Jun-26-2017
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