Question about Soyo DYLT032D 32 in. LCD Television

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Audio but no video. What might be the problem- how to locate t-con board

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First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com for T-CON and other board.
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Posted on Oct 05, 2010

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Posted on Jan 02, 2017

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Hello! I have a Toshiba 42HL67US. I am looking to replace the T-Con board, but Don't see the board when the rear case is removed. I need a diagram showing the locations of the boards. Thanks


Follow the ribbon cable from the main board to the T-Con board. Most likely at the bottom of the TV and could be behind a metal bracket.

Oct 20, 2017 | Toshiba Televison & Video

Tip

Tv problems lg and vizeo


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.

on May 22, 2015 | LG Televison & Video

1 Answer

Samsung un65h7150fxza, no sound & no picture. The back light is lit but the standby light is out.


T con board only affects video. Your issue is for audio and video . > main board issue.

Sep 11, 2017 | Samsung Televison & Video

1 Answer

How likely is a t-con board repair kit to work for a phillips tv that has audio but no video. The t-con board is a bit expensive ($64) if it's not going to work. The kit is $14.


You did not mention the make and model of the set and you did not say what the issue is that you are having with it. We cannot offer advice without knowing this information.

Mar 04, 2017 | 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

Westinghouse sk-32h590d video problem audio very


Good day!!!!

That problem is commonly cause of faulty T-CON board try to check first the pico fuse on that board if open if have soldering skills try to replace it first..If you don't have soldering skills or replacing of fuse not help..try to replace the whole T-CON board..

Hope it helps..

Feb 11, 2012 | Westinghouse SK-32H590D Television

1 Answer

T-con board for your samsung


The t-con board is very easy to replace. The only problem is you need to take a bunch of stuff off before you can get to it. How to replace it:
1. Take off the back of the TV
2. Unplug all the wires connected to the middle boards, you will need to take off the whole assembly that the 2 boards are attached to, the main power board and audio/video board.
3. The t-con board is under the shiny metal cover near the top of the TV. There are four small screws holding the cover in place. (You should be able to see the cover when you take off the back plastic cover of the TV).
4. There are 3 connectors attached to the board. The white one that comes from the audio/video board and 2 small ribbon type that connect to the front of the TV, probably the LCD panel.
5. The 1 separate connector is self explanatory. The other 2 are a little more difficult. They just slide into place. When you look at the connection, there is a brown "flap" holding the ribbon in place. You need to flip it up from the top side of the TV.
6. The old t-con board just comes out and the new one goes in.
Hope this helps!
Let me know if you have any other questions.
Ben

Sep 16, 2008 | Samsung LN-S4692D 46 in. LCD HDTV

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