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Search: Posts Made By: dskall
Forum: Troubleshooting TVs and Video Sources Today, 09:10 AM
Replies: 4
Views: 96
Posted By dskall
Re: Samsung H6400 random restarts or black screen

Heat up main processor and then try and turn on tv and see if you have picture.
Forum: Troubleshooting TVs and Video Sources Yesterday, 08:47 PM
Replies: 9
Views: 114
Posted By dskall
Re: OLED55B7A-U black screen but powers on

https://www.youtube.com/watch?v=Ksa3VpNdy_E&ab_channel=Parts%2CBoards%2CServicesandRepairTVs%2C
Forum: Troubleshooting TVs and Video Sources Yesterday, 03:04 PM
Replies: 11
Views: 127
Posted By dskall
Re: Toshiba 55L310U

Turn down the backlights as low as possible.
Forum: Troubleshooting TVs and Video Sources Yesterday, 02:36 PM
Replies: 9
Views: 114
Posted By dskall
Re: OLED55B7A-U black screen but powers on

Could use some good pictures of boards.
Forum: Troubleshooting TVs and Video Sources Yesterday, 01:59 PM
Replies: 11
Views: 127
Posted By dskall
Re: Toshiba 55L310U

You can fix however you like. You will see some color variation from the ones you replace.
Forum: Troubleshooting TVs and Video Sources Yesterday, 11:38 AM
Replies: 11
Views: 127
Posted By dskall
Re: Toshiba 55L310U

Looks like bad leds
Forum: Troubleshooting TVs and Video Sources Yesterday, 09:41 AM
Replies: 7
Views: 104
Posted By dskall
Re: Medion Tv MS20115 DE-A no sound

Audio chip looks to be u150.
Forum: Troubleshooting TVs and Video Sources 08-16-2022, 09:55 AM
Replies: 7
Views: 104
Posted By dskall
Re: Medion Tv MS20115 DE-A no sound

Need to check voltages around audio ic.
Forum: Troubleshooting TVs and Video Sources 08-16-2022, 09:51 AM
Replies: 4
Views: 96
Posted By dskall
Re: Samsung H6400 random restarts or black screen

Need to check you power board voltages.
Forum: Troubleshooting TVs and Video Sources 08-15-2022, 09:12 AM
Replies: 8
Views: 816
Posted By dskall
Re: Samsung UE46D6750 double image problem

Since this is completely different issue, you should start new thread.
Forum: Troubleshooting TVs and Video Sources 08-10-2022, 03:10 PM
Replies: 6
Views: 291
Posted By dskall
Re: Black screen LG 43UK6300PLB

Those are the panel boards that distribute the voltages and data out to the panel. Sometimes they are also incorporate the t-con on the panel boards.
Forum: Troubleshooting TVs and Video Sources 08-10-2022, 03:02 PM
Replies: 33
Views: 380
Posted By dskall
Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

Did you try unplugging then holding power button while plugging tv back in?
Forum: Troubleshooting TVs and Video Sources 08-10-2022, 10:23 AM
Replies: 33
Views: 380
Posted By dskall
Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

So update failed or did update and not fixed the problem?
Forum: Troubleshooting TVs and Video Sources 08-09-2022, 09:54 AM
Replies: 15
Views: 327
Posted By dskall
Re: toshiba 50L4333D TV with a LG 32L4300 board low brightness

https://www.manualslib.com/manual/1242739/Toshiba-40l7363rk.html?page=14#manual
Forum: Troubleshooting TVs and Video Sources 08-07-2022, 05:11 PM
Replies: 8
Views: 261
Posted By dskall
Re: Hisense 58R6009 T-Con board shorted chip

I would double check for shorted pins and unsoldered pins.
Forum: Troubleshooting TVs and Video Sources 08-04-2022, 06:23 PM
Replies: 12
Views: 305
Posted By dskall
Re: Sony KDL-46R450A No Power, No red LED status

I would say you have a mainboard problem.
Forum: Troubleshooting TVs and Video Sources 08-01-2022, 01:08 PM
Replies: 28
Views: 393
Posted By dskall
Re: Samsung UN55H8000AF - No Picture, Working Backlight, Replaced T-Con Board

I believe TV will work without t-con connected to chassis. And there are grounds going through LVDS cable, So maybe a problem on mainboard or cable.
Forum: Troubleshooting TVs and Video Sources 08-01-2022, 12:32 PM
Replies: 28
Views: 393
Posted By dskall
Re: Samsung UN55H8000AF - No Picture, Working Backlight, Replaced T-Con Board

You have 3 leds on but dim. T-con change did nothing and your 12v is steady. Seems like bad ground.
Forum: Troubleshooting TVs and Video Sources 08-01-2022, 12:19 PM
Replies: 28
Views: 393
Posted By dskall
Re: Samsung UN55H8000AF - No Picture, Working Backlight, Replaced T-Con Board

And with both ribbons to panel off you get same lights?
Forum: Troubleshooting TVs and Video Sources 07-31-2022, 09:25 PM
Replies: 39
Views: 722
Posted By dskall
Re: Phillips 55PFL5602/F7 T-Con failure?

You can use alcohol to find hot component.
Forum: Troubleshooting TVs and Video Sources 07-31-2022, 05:57 PM
Replies: 39
Views: 722
Posted By dskall
Re: Phillips 55PFL5602/F7 T-Con failure?

So, you basically have only 12v on t-con with cables hooked up? And you checked voltages when you removed cables and same no voltage?
Forum: Troubleshooting TVs and Video Sources 07-30-2022, 10:44 PM
Replies: 2
Views: 161
Posted By dskall
Re: Samsung LE32E420E2W Troubleshooting Assistance

I would try a new t-con. Or post good picture of t-con.
Forum: Troubleshooting TVs and Video Sources 07-30-2022, 11:14 AM
Replies: 38
Views: 687
Posted By dskall
Forum: Troubleshooting TVs and Video Sources 07-29-2022, 09:04 PM
Replies: 38
Views: 687
Posted By dskall
Re: Vizio 40 V405-H19 has backlight, no display

You could check those test points for shorts. You could cut the traces and check the voltage. Check the caps around the ic. Check for 12v to the ic.
Forum: Troubleshooting TVs and Video Sources 07-29-2022, 03:11 PM
Replies: 20
Views: 339
Posted By dskall
Re: LG 55UB8500 no picture.

Why are you giving picture of t-con? You said you have no voltage going to t-con. Thus you need to look on main board and find where you are losing the 12v.
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