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Search: Posts Made By: neilc6
Forum: Troubleshooting TVs and Video Sources Today, 10:19 PM
Replies: 15
Views: 321
Posted By neilc6
Re: Vizio E65-E3 Dead after backlight replacement

When doing backlight replacements, I always turn the TV on with the panel disconnected to confirm they are lighting up before reassembly. Also check after installing the diffuser panels to check for...
Forum: Troubleshooting TVs and Video Sources Today, 09:07 PM
Replies: 21
Views: 310
Posted By neilc6
Re: LG 49UH668V Blank screen

I have 120 orders off Aliexpress the majority which are TV parts and they have my credit card on file. They are just a marketplace like ebay with thousands of sellers. You can find tcon boards and...
Forum: Troubleshooting TVs and Video Sources Today, 08:57 PM
Replies: 15
Views: 321
Posted By neilc6
Re: Vizio E65-E3 Dead after backlight replacement

Does it attempt to turn on? Try connecting only one side at a time between the tcon and panel and see if the TV turns on with half a screen.
Forum: Troubleshooting TVs and Video Sources Today, 09:17 AM
Replies: 21
Views: 310
Posted By neilc6
Re: LG 49UH668V Blank screen

Do you have 4 rows of strips? These are the style that also turn blue if you run them at max and super tiny. They are only $20 - $30 USD on Aliexpress and you may find similar pricing on ebay.
...
Forum: Troubleshooting TVs and Video Sources 04-12-2021, 08:00 PM
Replies: 3
Views: 79
Posted By neilc6
Re: TCL 65S4 Backlight Troubleshooting

Very difficult to disassemble a 65 inch panel without damaging it. Suction cups may help. All tvs are very similar. Differences will be if screws are used versus clips and if double sided tape is...
Forum: Troubleshooting TVs and Video Sources 04-12-2021, 06:13 PM
Replies: 3
Views: 79
Posted By neilc6
Re: TCL 65S4 Backlight Troubleshooting

Backlight issues are almost always caused by bad backlights. Protection circuitry is kicking in to shut them down because an error is detected. ...
Forum: Troubleshooting TVs and Video Sources 04-11-2021, 10:47 AM
Replies: 11
Views: 233
Posted By neilc6
Re: Samsung UN55J6200AFXZA Lost picture and sound.

You need to fix one problem at a time. Audio is totally unrelated to the backlights. There are a lot of reasons for no sound - volume set to 0, muted, wrong input, audio set to external. You need...
Forum: Troubleshooting TVs and Video Sources 04-10-2021, 05:06 PM
Replies: 11
Views: 233
Posted By neilc6
Re: Samsung UN55J6200AFXZA Lost picture and sound.

If you have no backlights, you likely have bad backlights. https://techhometravel.com/lg-ln-series-bad-led-backlights/
Forum: Troubleshooting TVs and Video Sources 04-09-2021, 03:44 PM
Replies: 5
Views: 140
Posted By neilc6
Re: Sony KDL 46HX900

Your TV is indicating it has bad backlights and they are likely failing under load. You can try turning down the backlight level and see if they stay on.
Forum: Troubleshooting TVs and Video Sources 04-06-2021, 10:17 AM
Replies: 1
Views: 130
Posted By neilc6
Re: Whats this fault

Multi colored lines could be tcon. Sony tcon training manual https://dokumen.tips/documents/sony-t-con-training-manual.html
Forum: Troubleshooting TVs and Video Sources 04-05-2021, 11:58 AM
Replies: 19
Views: 323
Posted By neilc6
Re: samsung ue46es6100

If one side of the TV shows a good image with the half screen test, this confirms the tcon is good.

Check the images in this thread. https://www.badcaps.net/forum/showthread.php?t=49281
...
Forum: Troubleshooting TVs and Video Sources 04-05-2021, 04:18 AM
Replies: 19
Views: 323
Posted By neilc6
Re: samsung ue46es6100

Its not the tcon. The problem is in the panel.
Forum: Troubleshooting TVs and Video Sources 04-04-2021, 08:44 PM
Replies: 19
Views: 323
Posted By neilc6
Re: samsung ue46es6100

Power up the TV with one side connected at a time between the tcon and panel. It does look like there are bad drivers on the darker side. If one side is good, you can try the tape cutoff method or...
Forum: Troubleshooting TVs and Video Sources 04-04-2021, 11:39 AM
Replies: 9
Views: 342
Posted By neilc6
Re: Haier LE50M600 turns on but only for a split sec

Flash of backlights in a LED TV is a symptom of bad backlights. https://techhometravel.com/lg-ln-series-bad-led-backlights/
Forum: Troubleshooting TVs and Video Sources 04-03-2021, 01:57 PM
Replies: 8
Views: 146
Posted By neilc6
Re: Samsung un58j5190 part identification

This model is very similar to UN58H5202 (search for this model in the forum) which has a common failure of bad backlights causing surface mount Q9101 to short (possibly QS101C on your board). If...
Forum: Troubleshooting TVs and Video Sources 03-24-2021, 11:52 PM
Replies: 3
Views: 1,820
Posted By neilc6
Re: samsung tv 2 blinking red light codes

Samsung TVs don't have blink codes and the front LED blinks when it is booting up. When the front LED is off, the TV is in an on state and turning it off should cause the front LED to go red.
...
Forum: Troubleshooting TVs and Video Sources 03-24-2021, 02:41 PM
Replies: 4
Views: 194
Posted By neilc6
Re: Samsung UE49NU7100K melted diffuser

https://www.badcaps.net/forum/showthread.php?t=93035
Forum: Troubleshooting TVs and Video Sources 03-19-2021, 02:05 PM
Replies: 3
Views: 216
Posted By neilc6
Re: Defective Replacement LED Strips?

After backlight replacement, I always turn off eco sensor/energy savings mode, turn down the backlight level down to 55% on all inputs and apps and instruct the new owner to be aware of how bright...
Forum: Troubleshooting TVs and Video Sources 03-16-2021, 08:11 PM
Replies: 3
Views: 113
Posted By neilc6
Re: Samsung UN75F6300 Backlight

On the main connection, the little tabs on the blue side need to be pressed down together. Use needle nose pliers spread slightly apart. On the interconnect between strips, the tabs are on the top...
Forum: Troubleshooting TVs and Video Sources 03-14-2021, 10:12 PM
Replies: 1
Views: 109
Posted By neilc6
Re: Sony KDL-46EX640 Green power Light no picture

If a TV turns on with no backlight, the backlights are the first suspect and I will get out my LED tester to do some probing. Usually I can power the backlight separately with the tester and turn...
Forum: Troubleshooting TVs and Video Sources 03-14-2021, 01:25 PM
Replies: 17
Views: 2,334
Posted By neilc6
Re: Vizio service manuals

M43-C1 has bad BGA connections on the mainboard. Search M43-C1 or M65-C1 and you will find many threads.
Forum: Troubleshooting TVs and Video Sources 03-13-2021, 12:22 PM
Replies: 0
Views: 65
Posted By neilc6
UN40H5203AF Bad Backlights Damaged Power Suply

This model does have a high rate of LED backlight failures that can damage the power supply. The diode in the circuit is a usual suspect in this case.

I replaced a board previously but got this...
Forum: Troubleshooting TVs and Video Sources 03-09-2021, 12:44 AM
Replies: 22
Views: 672
Posted By neilc6
Re: LG 42LN5100 no backlights

LB/LF series uses the large concave lens. Also 55" LN series as well. Lots of vendors of strips on Aliexpress that ship worldwide.
Forum: Troubleshooting TVs and Video Sources 03-08-2021, 02:02 PM
Replies: 12
Views: 1,086
Posted By neilc6
Re: Samsung UN46H203AF Bad Backlights and Bad Power Supply

You cannot test LED strings by measuring resistance though you can test individually for shorts. You need to put in diode mode and test each one individually or use a LED tester. With this model,...
Forum: Troubleshooting TVs and Video Sources 03-08-2021, 09:40 AM
Replies: 22
Views: 672
Posted By neilc6
Re: LG 42LN5100 no backlights

Flash of backlights is a symptom of bad backlights. https://techhometravel.com/lg-ln-series-bad-led-backlights/
Showing results 1 to 25 of 500

 
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