20 Most Recent Insignia NS-LCD42HD-09 42 in. HD-Ready LCD TV Questions & Answers

Try replacing the tcon board

The TV is very low Grade considered a cheap china knockoff and the panel has gone bad as expected you need t replace the TV and next time steer clear of the non brand products (aka walmart)

Air holes at bottom and in top of armoir? Try it with back off and doors open. If it works you need the air holes.

Common problem is this series is the power board fails. Unfortunately it often takes the main board as well.

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/ 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.

Good day!!! That problem is usually cauase of bad t-con board please try replace it to end this problem.. Thanks for using fixya..

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/ Blinking codes details to many popular brand TVs are given. Surf the site with patience.

Use the insignia remote.

Go to menu

Choose settings

Reset setting to factory

Choose retail banner
Set to off

Internal problem in the TV is enabling the protection circuitry. If repairing yourself, start with the power supply.

Sounds like main board fault. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter". http://electronicshelponline.blogspot.com/

Bad Inverter/power bd. or weak panel lamps causing no backlight.