Questions & Answers for: LG backlight test

...for damage, ohm out the inverter transformers. Last is to test out the lamps seperately with an external inverter. If a lamp goes out this way, it is bad and causing the whole backlight to go

backlight out. used the flashlight test and can see the pic behind. researched and found no backlight inverters. intead i replaced the powersupply/led board. same issue, no change. when i turn on, the

...test a backlight for a led tv tv model 55LN5700. screen is black (faint image with flashlight test) but with sound. I replaced the t-con board and still having the same issue. Testing TV Backlight ...

...test the LED Backlight supply voltages if you are familiar and good in the electronic repair. First you have to check if bulging capacitors in the LED Backlight drive voltage circuit, replace them ...

...backlight is not working. Either power supply or led's If you have good knowledge of repairing electronic equipment then check back light voltage in the power supply, if it is normal then you have to ...

...test your LED backlight by applying external voltage to the LED backlight to reconfirm. Link to download Service Manual: https://www.scribd.com/doc/159016486/LGE-47LV4400-Service-Manual-R01-1 LGE ...

...back light from these links: https://how-to-repair.org/repair/lg-tv-repair-manual-pdf/lg-led-tv-no-backlights-32ln5300-32ln5310-32ln5700-voltage-test-troub/2pyuXwNkBMA.html and ...

...test the LED Backlight supply voltages if you are familiar and good in the electronic repair. First you have to check if bulging capacitors for the LED Backlight drive voltage circuit, replace them. ...

backlight dimming works and reacts on energy saving too. i took the powerboard from my lg42lv375s in the tv to test if the power board is the reason but still the same. i test the lw powerboard in the

...test And I can see the smart tv menu Thank you you need a repair shop to fix the backlight problem LED backlight problem. Needs to be replaced by experts. Search youtube for "How to repair LED ...