Question about Sony KDL-46VL160 46 in. HDTV TV

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Bad tcon board

MIDDLE OF THE TV BLACK TO THE RIGHT BLACK

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I have a Vizio E601i-A3 tv that has video problems.


You have a bad tcon board or the panel is bad but this set has some issues with the tcon board...you could try baking it if you wanted, its not going to hurt anything

Apr 02, 2018 | Vizio Televison & Video

1 Answer

Zenith 50 Inch Plasma TV has black horizontal lines


Generally black horizontal lines are from the panel being bad, you could try a new Tcon board but I doubt it will help

Feb 07, 2018 | Zenith Televison & Video

1 Answer

I have a sony bravia kdl46z4100 and is showing 14 blinks in standby mode when turned on. The tv does not turn on. Please help find the part that needs to be replaced. Thanks!


Here is what the service manual says ...14 red flashes- bad TCON or Bad LCD panel, replace tcon board. unplug tcon board if tv stays on without tcon board replace tcon board.

Good luck!

Dec 21, 2017 | Sony Televison & Video

1 Answer

My tv has a ********* strip down the middle, I have pics if it will help.


The TCON board or the LCD panel is faulty. Can confirm by replacing the TCON board.
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

Jun 06, 2016 | Televison & Video

1 Answer

Turn on tv ad see vertical colored lines with thick black line i middle


Hi,
If you are a tech or know something about lcd tvs, lvds connector from main board to Tcon board needs to be cleaned. Connector and flat cables from Tcon to lcd panel are also to be cleaned. Good luck

Feb 10, 2015 | Dynex 32 in. LCD Flat-Panel HDTV

2 Answers

Our Phillips flat screen TV picture is split down the middle vertically. One side shows a mirror image of the other side, and then sometimes one side is a lighter shade than the other, when it is full...


This may be due to a faulty Timing Control board (TCON board). I had a similar problem with my Samsung LCD TV picture being split vertically down the middle. The image on both halves appeared fuzzy and in reverse (mirror) including the menus. I replaced the TCON board and the problem was resolved.

Aug 18, 2011 | Televison & Video

2 Answers

Lines started showing up on the right side of my Polariod lcd flm-323B. They started getting bad. I unplugged the tv for a day and left it cool down. Then for another 2 months it was fine. A few days...


It can be the T-CON board or bad power feeding the T-CON board.
Please read about the T-CON failure first;

T-CON: E40951307-TCON Troubleshooting 10-22-09_OPT


http://www.scribd.com/doc/25276757/E40951307-TCON-Troubleshooting-10-22-09-OPT
http://www.mediafire.com/?zzjygannjty PDF download

Service manual: http://www.polaroidsupport.com

Also read my guide:
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Jun 13, 2011 | Polaroid FLM-323B Television

1 Answer

Hello, I have a Samsung LN-S4692D. The tv turns on, the back lights work, the audio works. The picture does not work. The screen is black and when I change channels or press menu it flashes however, the...


You cannot test the T-Con bd with a meter. However if you have the luxury of having another same model tv, you can install the bought T-Con bd and see if it is good or bad. Since you said the Menu and channel flashses, then I would replace the Main board.

Apr 16, 2010 | Samsung LN-S4692D 46 in. LCD HDTV

2 Answers

LG 42LG5 TURN ON TV PICTURE GOES BLACK


This could be 1 of a few things here. Without opening up your set and trying to look at voltages or indiciator lights I couldn't tell you exactly without some more info.

Without looking at it myself here are my thoughts and where I would first look at.

It may be a main board because:
1) Main board processes all your audio/video signals. Bad main board means bad video processing. Could do that. Especially if the main board is not sending the right signal or a bad signal to the rest of the boards so they don't do their jobs. 

It may be a power supply because:
1) Power supply is well, the power supply. If it's sending inadaquete voltage to the main board you may not be recieving enough juice to keep that main board doing your video processing or further up the line keeping enough juice flowing to your TCon board to keep it telling things where to go and what to do. The power supply sends voltages to your Ballast board(controls your lights) and to your main board through which power is supplied to your TCon board via a LVDS line and a +12/+16V signals. If the power supply isn't pumping out enough juice to keep the TCon or Main Board running, it could be a problem. By the same token it could be that your P/S isn't sending power out to your ballast board. 

It could be a TCon because:
1) If the TCon is bad, you won't get your pictures. This could be the TCon board itself or the LVDS cable from your TCon to your Main. However, with few exceptions, if it's a bad TCon you're looking at a total panel replacement. 

It could be a ballast board because:
1) The Ballast Board controls the lighting behind the LCD screen. If this isn't working right you won't be seeing much of anything without that back lighting. If this is bad, it's a panel replacement. These are not field replaceable items by LG. 

Based on the symptoms, without more data or a eyes-on view of it, I would say you're most likely looking at a Main Brd or PSU problem. 

Feb 12, 2009 | LG 42LC2D 42 in. LCD HDTV

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