Sound is perfect, turn on and all I get is two flashes of red power light. The screen is completely black. There are no backlights and the flashlight test to screen reveals nothing. Not sure what to replace. All the boards look great, no visible damage. I did review a bunch of youtube videos but can't seem to find the exact fix. Thanks! As advised replaced the T-con board. Still have excellent sound but no picture. Any other suggestions?
If you tried flashlight test and replaced the T-con board, your LCD Panel gone and you have to replace it. I have replaced many LCD Panels for the same complaint. Service Manual could be downloaded from here: https://www.manualslib.com/manual/744790/Lg-32ln5300.html LG 32LN5300 Service Manual
If you saw no faint picture with the flashlight, then it's the T-con board.
Testimonial: "No faint picture, nothing."
SOURCE: lg led tv backlight
Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
SOURCE: LG 50la6970 no backlight i have sound and dark images!
Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
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Just replace the TV
Of course that is an option but I thought fixing it might be less costly
Just get a new T-con board.
Tried a new T-con board and still no picture but excellent sound. Any other suggestions?
Can you see if the back lights are on when the TV is on?
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