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Vizio e701l a3 has blue screen no audio all led lights work, cannot not see any lettering with flash light.

Replaced T Con Board. same issue Replaced Main Board Same issue. Power board works. LED light/backlights all work. No audio.

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I have a Vizio E601i-A3. The "Vizio" emblem does not light up and the screen does not light up. Is it most likely power board that needs to be replaced?


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. 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.

Nov 26, 2016 | Vizio 60" E601I-A3 Full HD LED-LCD TV

2 Answers

I have a Vizio E701i-A3 Edge lit LED TV. I looks like an 8 inch strip of the LED edge lights along the bottom are not working. Do I need to replace the light or the T-con?


Tcon is the board that sets the tone for the whole image. If you have a small section that appears to have no backlight then the tcon is not your likely point of failure.

Sep 06, 2016 | Vizio Televison & Video

1 Answer

Lg 42" tv not displaying screen image


The t-con board controls the picture. To test it shine a flash light on the screen abd see if you can see an image when the TV is on. If you do then the T-con board is OK. Look at the back light ballast board (sometimes is part of the power supply board) If you see no movement or a dim picture with the flash light, then the T-con board is gone. You can get parts here: TV Parts Universal TV Stands DLP Chips ShopJimmy

Aug 11, 2016 | LG Televison & Video

1 Answer

I have a LG LED TV 55LS4500UD that no longer works after a storm. It won't turn on and no standby light. I have pics of the circuit boards. I would like to know which board to replace?


Power Issues Troubleshooting
*NOTE* LG & Vizio TVs must be plugged in for 5 minutes before it will turn on*
1. Inspect ALL Ribbons and connectors. Any tears or bad connections between boards must be replaced FIRST
2. If you have any of these boards, it should be the first board to be replaced
A) T-Con Board - Video Problems (No Video with standby light on, audio but no video, grainy, distorted, or color problems in screen)
B) X or Y Buffer Board (Plasma TVs only) - Standby light is on but no power
C) Backlight Inverter / LED Driver - No Video with standby light on
3. Main Video Board
- Standby light is on but no power
- Either video or audio does not work (if no T-Con in TV. If audio but no video it is T-Con)
4. Power Board - No power AND standby light does NOT turn on. If standby light is on try other boards above
5. Panel - No power, distorted picture, lines, slow motion, half screen, faded in / out. Panel problems are usually not worth replacing the panel.

Apr 11, 2016 | LG Televison & Video

1 Answer

Vizio E601i-A3, blue vertical line on screen in center.


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
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. Faults to all LCD screen are similar, irrespective of its brand and screen size.

Mar 07, 2016 | Vizio 60" E601I-A3 Full HD LED-LCD TV

1 Answer

My TV isn't displaying sound or picture, how do I fix this?


Assuming your PS is fine then I would look at the main board since it works with the audio and video signals. The T con board is video specific and you have backlighting. So..............

Nov 17, 2015 | Vizio 60" E601I-A3 Full HD LED-LCD TV

1 Answer

When my TV have no logo when i turn it on. I changed the power board and the main board already. The problem still there. I bought a bad main board? Or I need to change my T con board too?


T con board responsible for final picture on screen of set. And visible distortions are caused by it. The inverter board powers the back lighting so you can see the picture. If screen is totally black that could be the issue.

Oct 28, 2015 | Vizio E701I-A3 70" LED TV 1920x1080, 120...

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