20 Most Recent Sony BRAVIA KDL-37U4000 37 in. LCD TV - Page 9 Questions & Answers

Have you tried replacing the audio output cable to troubleshoot any physical problem. If you are using an optical audio cable disconnect it from the receiver when the TV is on and look at the end to see if you can see any red light (this is an audio signal). You may also want to check if the audio output is set to fixed or variable (if on variable your audio might just need to be turned up on the Sony TV remote). Also make sure you are on the correct input on your receiver.

Are you using the TV with a box provided by Dish/Direct TV? If so the triangle is telling you that you have lost your WIFI/Internet connection to the box.

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/

The brightness control makes the dark bit of the picture lighter.

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/

first check all your input cables at the TV & the source

Check the remote control for its infrared emission. Check it with fresh batteries. If it is found OK, check and replace the infrared sensor inside the TV. If you wish to get some details; check the site linked here. It has details about how to check a remote control; by one among the post. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/

You need to do a Full Factory Reset tuning rather than just a rescan. Rescan simply looks at the place holders where the old channels were stored and refreshes them. A Factory Reset (A.K.A. Shipping Condition) wipes the channel memories and starts again fresh.

At the exact "Center" of Pondichareri town.

Fault with main board. Damaged 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.

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/ Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Refer its user manual for details. http://electronicshelponline.blogspot.com/

Check the speaker/s first. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, 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. Surf the site with patience. http://electronicshelponline.blogspot.com/

If there is a reset button somewhere close to the power button that you have to use a pen or needle to push, do that. Or just unplug it, let it sit for about 30 minutes, then try to turn the tv on.

Go to the menu and check your audio settings. If that does nto resolve it contact sky digital.

Check the remote control for its infrared emission. Check it with fresh batteries. If you wish to get more details about how to check a remote control, please visit this site. One among the posts has details about it. Surf the site with patience. http://electronicshelponline.blogspot.com/

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.

Contact the authorized service center for Sony. No other way.

To remove video 1 from screen,press the button called "Display" and remove the Video Input icon from the corner of the screen. I have a Sony TV myself, and there is no other way to remove this icon from the screen.If you can get me