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LG 47LB5900 Support Question

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Question posted by tharp28firerescue on December 31st, 2016

47lb5900 Led Flashing Backlight

recently my lg 47lb5900 started flashing at a constant rate about every second. I replaced the power supply board with no change.I have voltage jumps at the 4 pin to the backlights. I dont believe the t con board is at fault.. any ideas

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Answer #1: Posted by Troubleshooter101 on December 31st, 2016 10:04 PM

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For this led flashing problem you can watch this video tutorial for a quick fix i believe it may solve your problem.

Please click here

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Related LG 47LB5900 Manual Pages

Specification - English - Page 1

.... And, because this TV has LED backlighting, colors are bright and clear with the outstanding picture quality of LG's LB5900 TV. Have pictures, movies or audio stored on a USB? LED LB5900 Series 1080p HDTV KEY FEATURES PIcture Quality --Full HD 1080p Resolution --MCI 480 (60LB5900) --MCI 240 (55/50/47LB5900) --Triple XD Engine CONNECTIVITY --2 HDMI...

Specification - English - Page 2

... (USB port) CABINET / ACCESSORIES VESA® Size (mm) POWER ENERGY STAR® Qualified Power Supply (Voltage, Hz) Power Consumption Standby Mode 60" Class (59.5" diagonal) 55" Class (54.6" diagonal) 50" Class (49.5" diagonal) 47" Class (46.9" diagonal) LED 1920 x 1080 60LB5900 : MCI 480 55LB5900 , 50LB5900 , 47LB5900 : MCI 240 • 8 Modes • 6 Modes HDMI, Component...

Additional Link - Energy Guide - Page 1

... prohibits removal of this label before consumer purchase. EMERG $9 Estimated Yearly Energy Cost GUIDE 18 I LGElectronics Inc. 1$ I I $51 I Television 47LB5900 Cost Range of Similar Models (45" - 49") •• Based on your utility GEE= rates and use of this model: 80 kWh in • Your cost p.m% depends on 11 cents per kWh and...

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