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Search: Posts Made By: dskall
Forum: Troubleshooting TVs and Video Sources Today, 09:38 AM
Replies: 7
Views: 109
Posted By dskall
Re: Samsung UN60J6200 No power up

Need better pictures of boards, connectors and connector legends. Measure main cap across positive and neg. of cap.
Forum: Troubleshooting TVs and Video Sources Yesterday, 01:04 PM
Replies: 3
Views: 104
Posted By dskall
Re: Samsung UE32N4002AK ICM801 S7150 identification

I'm sure you have tested fet and gate resistors, diodes etc.
Forum: Troubleshooting TVs and Video Sources Yesterday, 12:28 PM
Replies: 7
Views: 109
Posted By dskall
Re: Samsung UN60J6200 No power up

No indicator light on front coming on? I suspect you aren't getting any backlights.
Forum: Troubleshooting TVs and Video Sources 09-24-2022, 09:01 AM
Replies: 9
Views: 142
Posted By dskall
Re: Baird T16509DLEDDS 65" UHD TV

When turning on tv you should get a voltage rise on the led pins.
Forum: Troubleshooting TVs and Video Sources 09-23-2022, 10:50 PM
Replies: 9
Views: 142
Posted By dskall
Re: Baird T16509DLEDDS 65" UHD TV

So, no picture on screen with flashlight? What is voltage across main capacitor?
Forum: Troubleshooting TVs and Video Sources 09-23-2022, 10:39 PM
Replies: 13
Views: 532
Posted By dskall
Re: Hisense 58R6009 T-Con board shorted chip

Short of the panel, the only way I know to test it would be mainboard tester.
Forum: Troubleshooting TVs and Video Sources 09-14-2022, 03:32 PM
Replies: 8
Views: 439
Posted By dskall
Re: Samsung HG46EC890XB LED 5x blinks

I would try pushing or heating processor and then try turning it on. Maybe bad bga connections.
Forum: Troubleshooting TVs and Video Sources 09-13-2022, 09:33 AM
Replies: 11
Views: 426
Posted By dskall
Re: LG 47LW5700 video issue

I think what happens is heating and flux removes oxides that temporarily make contact again but will fall after a while.
Forum: Troubleshooting TVs and Video Sources 09-12-2022, 04:31 PM
Replies: 32
Views: 451
Posted By dskall
Re: Sony KD-55XF8505 won‘t start

Wow, to have mainboard schematics. That would be awesome.
Forum: Troubleshooting TVs and Video Sources 09-12-2022, 10:22 AM
Replies: 3
Views: 205
Posted By dskall
Re: Vizio v705-H1 half of display messing up

It doesn't look like a panel problem. What does it look like when you bring up menu?
Forum: Troubleshooting TVs and Video Sources 09-12-2022, 08:54 AM
Replies: 15
Views: 1,248
Posted By dskall
Re: Removing large LCD panels

I haven't had that problem but watched Nick's video where he said suction marks would clear up. The spots are probably on diffusers.
Forum: Troubleshooting TVs and Video Sources 09-12-2022, 08:41 AM
Replies: 10
Views: 227
Posted By dskall
Re: Quadro LED-40TN42S2T2HEVC

If you have problems again you will need to resolder things like the transformer and connectors.
Forum: Troubleshooting TVs and Video Sources 09-11-2022, 09:57 AM
Replies: 10
Views: 227
Posted By dskall
Re: Quadro LED-40TN42S2T2HEVC

What is voltage across main capacitor?
Forum: Troubleshooting TVs and Video Sources 09-10-2022, 05:58 PM
Replies: 9
Views: 357
Posted By dskall
Re: tv oled LG55EC900V no start

Need some good pictures of the back and the boards.
Forum: Troubleshooting TVs and Video Sources 09-09-2022, 11:45 AM
Replies: 9
Views: 357
Posted By dskall
Re: tv oled LG55EC900V no start

Most problems I have read with these are shorts at the 24v side.
Forum: Troubleshooting TVs and Video Sources 09-09-2022, 11:43 AM
Replies: 5
Views: 256
Posted By dskall
Re: LG OLED 55B7V does not start

Good job. Can you put down location of bad cap? The question will be asked.
Forum: Troubleshooting TVs and Video Sources 09-05-2022, 03:22 PM
Replies: 12
Views: 344
Posted By dskall
Forum: Troubleshooting TVs and Video Sources 09-05-2022, 02:42 PM
Replies: 5
Views: 414
Posted By dskall
Re: Problem with pfc in lg 42lm620S

Did you check Q603 and Q604 and all the gate resistors and diodes?
Forum: Troubleshooting TVs and Video Sources 09-04-2022, 06:31 PM
Replies: 1
Views: 189
Posted By dskall
Re: Samsung UE32D5700 RSXZF screen issues advice welcome

So, you have vertical lines on screen, but no lines on menu?
Forum: Troubleshooting TVs and Video Sources 09-04-2022, 05:58 PM
Replies: 16
Views: 413
Posted By dskall
Re: Vizio E470VL got +5VSB, but no 12V

If we are to help you. I would suggest you familiarize yourself with how an LCD tv works. Lots of videos on youtube.
Forum: Troubleshooting TVs and Video Sources 09-04-2022, 04:22 PM
Replies: 16
Views: 413
Posted By dskall
Re: Vizio E470VL got +5VSB, but no 12V

Do you have backlights?
Forum: Troubleshooting TVs and Video Sources 09-04-2022, 11:56 AM
Replies: 16
Views: 413
Posted By dskall
Re: Vizio E470VL got +5VSB, but no 12V

Do you get 12v going to t-con board?
Forum: Troubleshooting TVs and Video Sources 09-04-2022, 09:35 AM
Replies: 19
Views: 754
Posted By dskall
Re: Toshiba 58UL2B63DB Suspected Bad Panel

What voltages are you missing?
Forum: Troubleshooting TVs and Video Sources 09-03-2022, 01:04 PM
Replies: 4
Views: 223
Posted By dskall
Re: Trying to figure out what part of my Samsung PN60E550 is defective

Probably board on left side. And maybe buffer boards on left side of Y-sus board. Numerous fuses to check VA, VS voltages. Caution: high and deadly voltages in plasmas. You should have someone with...
Forum: Troubleshooting TVs and Video Sources 09-03-2022, 10:07 AM
Replies: 6
Views: 219
Posted By dskall
Re: Philips 65PUS6554/12 one time backlight flash

Sounds like something is shorting. Unplug T-con.
Showing results 1 to 25 of 500

 
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