LG 32 inch SMART LED TV problem stand by on but no picture

Lg 32 inch SMART led tv problem stand by on but no picture

  • Lg 32 inch led TV stand by ON but no picture .in this condition in which set is coming in my shop
  • My first step to check panel voltage OK or not .second step to check data line voltage 1.2 or 1.1 v is coming or not
  • I FOUND this two voltage is not coming .That mens my panel and power supply 99% ok
  • Problem is shift to motherboard .then my next step to check all voltage which required to motherboard
  • This voltage I check in coil and regulator show in motherboard
  • I get all voltage accept 1.2v is missing in coil shown in picture
  • Then I given 1.2v through external buck converter module shown in picture
  • After given this voltage my set is fully turn ON with picture

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