I have videocon 43in smart uhd led tv I opened service menu by 8532 ....after that by mistakely i entered any of the option then my tv went on standby mode and when i turned it on the screen was blank not even the title off the company is popping up it is completely dark and when i am connecting it with set top box i can hear the audio ....now how to solve this please please please help me with your reply

SOURCE: color tv service mode

Change Memory IC

SOURCE: i have a 26' led LG TV , and i am using a new set top box . when i am joining the tv from set top box and going in AV mode , its showing input blocked, i can not use set top box services. please h

Please provide a model number for this TV, I would have thought being an LED tv that you wouldn't be needing a set-top box as it would be digital already.

SOURCE: I have Samsung UE55F9000 UHD smart TV bought only two months ago, when switch it on SMART TV screen appears and its shuts off and goes blank completely. Red switch light keeps flickering on and off. A

Check power cord is plugged in all the way.

The Knight

• 76851 Answers
• Posted on Nov 16, 2015

SOURCE: My 47'' LG led tv's screen went completely dark. Still can faintly see outlines of menu boxes. Sound works.. Fix?

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://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.

The Knight

• 76851 Answers
• Posted on Sep 28, 2016

SOURCE: I have Vediocon 24' led tv .i cant open service menu with 8532 .I replace the panel but lvds setting must .how can service mode open pls help me I also send mother board pic .Thanks

This is a duplicate motherboard [Pure Chinese one]. No need to try to get into service mode. Damn piece indeed.