How do i fix my hisense 54cm colour tv the is only sound but no picture model no is tc2198l

1. Why hisense TV red flashing power light has sound but no picture
There could be a few reasons why your Hisense TV has a red flashing power light but no picture. It could be an issue with the TV itself, the power supply, or the input signal. Let's take a look at each of these possibilities in turn.

2. How to fix hisense TV red flashing power light has sound but no picture

If your Hisense TV has a red flashing power light but no picture, there are a few things you can try to fix the problem. First, check to make sure that the power supply is plugged in and that the TV is receiving power.

Next, check the input signal to make sure that it is compatible with the TV. Finally, if the TV itself appears to be the problem, you can try resetting it.

3. What to do if hisense TV red flashing power light has sound but no picture

If your Hisense TV has a red flashing power light but no picture, there are a few things you can try to fix the problem. First, check to make sure that the power supply is plugged in and that the TV is receiving power.

Next, check the input signal to make sure that it is compatible with the TV. Finally, if the TV itself appears to be the problem, you can try resetting it.

How old is this TV?

Yes but to replace all those PCB's will cost the same as a new TV in most cases. and what if it doesn't fix it or the problem is elsewhere.

Main chroma IC fault. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/

All the other voltages generated by the SMPS too should be checked. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Schematic diagrams along with voltages are given. Refer it, and check all of it.

Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. 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/

Check the power supply.If you have no output from the power supply try to disconnect the power supply from the other circuits ( such as the IF,audio,video,horizontal,vertical,etc.If the voltage at the power supply comes up when you disconnect a particular circuit then that circuit is loading down the power supply and you would troubleshoot that circuit.If after disconnecting the other circuits and the power supply still shows zero,then you would troubleshoot the power supply.

The chorma IC to your tV has damaged. It should be replaced.

If your picures are all purple it means that the green colour is missing. TV colour is made up by mixing Red, Green & Blue. Removing Green leaving Red & Blue makes purple. Study the green colour circuit for a fault and confirm that the green gun inside the tube is working.

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