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Search took 0.02 seconds. Search: Posts Made By: dskall
Forum: Troubleshooting TVs and Video Sources Today, 10:29 AM
Replies: 18
Views: 144
Posted By dskall
Re: Sharp LC70LE747 Flickering - darkening gradually to the right side

I don't think this is a mainboard problem. You eliminated T-con. I would focus on side COF's. May have a bonding issue.
Forum: Troubleshooting TVs and Video Sources Yesterday, 04:45 PM
Replies: 3
Views: 74
Posted By dskall
Re: 60LN5600 white reflective sheet

https://www.aliexpress.com/item/1005003051336872.html?spm=a2g0o.detail.1000014.8.58b33a1781oF5x&gps-id=pcDetailBottomMoreOtherSeller&scm=1007.40050.281175.0&scm_id=1007.40050.281175.0&scm-url=1007.400...
Forum: Troubleshooting TVs and Video Sources Yesterday, 10:06 AM
Replies: 9
Views: 117
Posted By dskall
Re: LG 42LE4900 no backlight, possibly no display

Error codes on tv's are rudimentary at best. Heating up processor is easy way to eliminate possible bga problem.
Forum: Troubleshooting TVs and Video Sources 05-23-2022, 09:21 PM
Replies: 2
Views: 59
Posted By dskall
Re: Sony KD-70X690E Very Dim

Picture of the problem would help.
Forum: Troubleshooting TVs and Video Sources 05-23-2022, 06:41 PM
Replies: 8
Views: 113
Posted By dskall
Re: Toshiba 55LF621U19 vgh avvd problem

May not be bad voltages. I would check data lines first and see if you have any voltage on them.
Forum: Troubleshooting TVs and Video Sources 05-23-2022, 06:34 PM
Replies: 18
Views: 144
Posted By dskall
Re: Sharp LC70LE747 Flickering - darkening gradually to the right side

Ok, looks like center from video. Can you look from back and see if backlights flickering?
If not t-con, then likely panel.
Forum: Troubleshooting TVs and Video Sources 05-23-2022, 03:10 PM
Replies: 7
Views: 131
Posted By dskall
Re: lg 42lc55 7 times blinking and after goes out

Looks like 2 circuits. Test one at a time. Appears ground is chassis. Also high voltage.
Forum: Troubleshooting TVs and Video Sources 05-23-2022, 02:18 PM
Replies: 5
Views: 1,366
Posted By dskall
Re: Toshiba 50" 50L2200U (50M2U) Power Issue

What is your PWON in standby and after you push power button?
Forum: Troubleshooting TVs and Video Sources 05-23-2022, 02:11 PM
Replies: 18
Views: 144
Posted By dskall
Re: Sharp LC70LE747 Flickering - darkening gradually to the right side

The video on bad side is good or bad or just getting dark?
Forum: Troubleshooting TVs and Video Sources 05-23-2022, 12:14 PM
Replies: 8
Views: 113
Posted By dskall
Re: Toshiba 55LF621U19 vgh avvd problem

Your vgh looks like vin, not vgh. There are no standard terminology for this.
Forum: Troubleshooting TVs and Video Sources 05-23-2022, 09:55 AM
Replies: 31
Views: 1,445
Posted By dskall
Re: Samsung LE40B620R3W shuts down

Stands are different than boards. Hard to say this stand didn't fix my problem, I want my money back.
I don't pay for broken TV's. I post on craigslist "Free pick up of non-working lcd tv". When I...
Forum: Troubleshooting TVs and Video Sources 05-23-2022, 09:39 AM
Replies: 8
Views: 113
Posted By dskall
Re: Toshiba 55LF621U19 vgh avvd problem

If no shorts you may have a bad dc to dc IC.
Forum: Troubleshooting TVs and Video Sources 05-22-2022, 10:53 PM
Replies: 8
Views: 113
Posted By dskall
Re: Toshiba 55LF621U19 vgh avvd problem

Did you try disconnecting right side?
Forum: Troubleshooting TVs and Video Sources 05-22-2022, 06:06 PM
Replies: 114
Views: 10,535
Posted By dskall
Re: Sharp LC-60SQ15U TV DPS-167CP - No power

Is that the right resistor wattage R7900? And you double checked that diode D7950 was installed right?
Forum: Troubleshooting TVs and Video Sources 05-22-2022, 03:46 PM
Replies: 114
Views: 10,535
Posted By dskall
Re: Sharp LC-60SQ15U TV DPS-167CP - No power

With STR-A6000. Strike that
Forum: Troubleshooting TVs and Video Sources 05-22-2022, 03:31 PM
Replies: 114
Views: 10,535
Posted By dskall
Re: Sharp LC-60SQ15U TV DPS-167CP - No power

Have you compared all pin voltages with datasheet?
Forum: Troubleshooting TVs and Video Sources 05-22-2022, 03:05 PM
Replies: 7
Views: 131
Posted By dskall
Re: lg 42lc55 7 times blinking and after goes out

Need to test backlights.
https://www.badcaps.net/forum/showthread.php?t=19987&highlight=inverter+testing+cfl
Forum: Troubleshooting TVs and Video Sources 05-21-2022, 05:17 PM
Replies: 5
Views: 108
Posted By dskall
Re: Strange Power Supply Behavior on Skyworth 55U5A14G

So then STB should change state when you push power button? What is ENA for?
Forum: Troubleshooting TVs and Video Sources 05-21-2022, 03:20 PM
Replies: 31
Views: 1,445
Posted By dskall
Re: Samsung LE40B620R3W shuts down

I don't know how those people can sell boards on EBAY and make a profit. So many use it as a board swapping site. The last one I sold was for parts only. The guy still wanted his money back. EBAY...
Forum: Troubleshooting TVs and Video Sources 05-21-2022, 03:10 PM
Replies: 22
Views: 268
Posted By dskall
Re: Philips 70PUS7505/12 - Contrasts in image are echoed vertically upwards

Have you unplugged ribbon cables one at a time, and checked screen?
Forum: Troubleshooting TVs and Video Sources 05-21-2022, 11:25 AM
Replies: 6
Views: 123
Posted By dskall
Re: RCA RLCDV3282A-B LCD power off and on every few minutes

Can't see your connector pin out. Need to check your voltages on connector to mainboard.
Forum: Troubleshooting TVs and Video Sources 05-20-2022, 04:22 PM
Replies: 114
Views: 10,535
Posted By dskall
Re: Sharp LC-60SQ15U TV DPS-167CP - No power

You say things are good. Most fixed their problem with just a couple of component changes. How do we know you didn't replace a 2.2ohm with a 220 ohm?
Forum: Troubleshooting TVs and Video Sources 05-20-2022, 12:29 PM
Replies: 5
Views: 738
Posted By dskall
Re: 50t32-soc xl bd short

You got to love when people don't post how they fixed a problem.
So remove that resistor check from shorted pad and locate shorts then remove one at a time until short goes away.
Forum: Troubleshooting TVs and Video Sources 05-20-2022, 12:25 PM
Replies: 20
Views: 325
Posted By dskall
Re: Hisense 58R6E - Changed all LEDs but...

I can barely see oil smudges after I put them back together. If they complain, I give them a discount.
Forum: Troubleshooting TVs and Video Sources 05-20-2022, 12:22 PM
Replies: 114
Views: 10,535
Posted By dskall
Re: Sharp LC-60SQ15U TV DPS-167CP - No power

What is your ohm reading on R7900?
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