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Search: Posts Made By: gavric
Forum: Troubleshooting TVs and Video Sources 12-14-2021, 07:26 PM
Replies: 13
Views: 1,302
Posted By gavric
Re: Samsung UN70NU6900 red light two blinks

Hi, i did watch those videos and i did tape method and tv fired up eventually. there are 4 boards on bottom of screen. last board to the right is one causing the problem. when i put tape and cover 1...
Forum: Troubleshooting TVs and Video Sources 12-13-2021, 10:08 PM
Replies: 13
Views: 1,302
Posted By gavric
Re: Samsung UN70NU6900 red light two blinks

Hello, i just got in UN70NU6900 and it is doing same thing, when any one ribbon cable is disconnected tv stays on and plays Samsung music and i can hear clicks when remote is pressed. This model does...
Forum: Troubleshooting TVs and Video Sources 09-16-2021, 12:43 PM
Replies: 34
Views: 2,998
Posted By gavric
Forum: Troubleshooting TVs and Video Sources 09-15-2021, 09:34 PM
Replies: 8
Views: 1,038
Posted By gavric
Re: Sharp 60LE630M DPS-165HP-2A: No Backlight

If you just remove and not replace leds your final result and picture will be bad. You will have bad missing lighting and it will glow weird and it will look like crap.
Forum: Troubleshooting TVs and Video Sources 09-15-2021, 09:31 PM
Replies: 50
Views: 3,887
Posted By gavric
Re: Lg 60pa6500 black spots on tv

On that board Zsus those copper coils often get cracked solder joints under them. You need to try to re solder them and see what happens. If not that boards is cheap and just order one and replace it.
Forum: Troubleshooting TVs and Video Sources 09-15-2021, 09:22 PM
Replies: 1
Views: 518
Posted By gavric
Re: TCL 50S425 Roku TV Boot Loop

I had tv like this, it was hisense, about same as tlc. It was acting like it could not go past TV brand logo. It turned out it was bad capacitor on the screen buffer board that was heating up in like...
Forum: Troubleshooting TVs and Video Sources 09-15-2021, 09:16 PM
Replies: 34
Views: 2,998
Posted By gavric
Re: 55" TCL TV - No picture, backlight/sound work, T-Con board was replaced

This is why sellers on eBay have problem with buyers buying and then blaming sellers for bad parts when seller provided great service with shipping and sent perfectly working part. Now days its...
Forum: Troubleshooting TVs and Video Sources 09-13-2021, 01:20 PM
Replies: 106
Views: 6,808
Posted By gavric
Forum: Troubleshooting TVs and Video Sources 09-02-2021, 08:55 PM
Replies: 2
Views: 618
Posted By gavric
Vizio M70-C3 Half picture is bad, main board on its last leg?

Hello, i am working on Vizio M70-C3. It can hardly power on, it takes 15 power button presses or remote. Seems like eeprom problem that I seen before but all reading online says that this tv has...
Forum: Troubleshooting TVs and Video Sources 04-22-2021, 10:29 PM
Replies: 11
Views: 1,183
Posted By gavric
Re: Vizio M65-F0 white light flashing on screen

I have same tv model that had appearance of 1/4 of horizontal backlight to be out just as picture bellow. After replacement of burned out led on that strip strip works but now it is flashing half of...
Forum: Troubleshooting TVs and Video Sources 04-02-2020, 07:43 AM
Replies: 1,060
Views: 223,624
Posted By gavric
Re: e701i-a3 no picture but backlights

I have performed same fix and picture came back. I watched tv for about 2 months and yesterday on the bottom of the screen thin horizontal line appeared. See photos. Line does change colors every...
Forum: Troubleshooting TVs and Video Sources 08-15-2018, 11:47 AM
Replies: 9
Views: 2,815
Posted By gavric
Re: LOW D+ voltage to leds Samsung PS BN44-00666A

UPDATE:

Replacement of power supply has resolved dim picture issues and voltage going to leds is at 130VDC at brightest setting. I have it set in backlight controls at 12 out of 20 and its is well...
Forum: Troubleshooting TVs and Video Sources 08-13-2018, 03:58 PM
Replies: 9
Views: 2,815
Posted By gavric
Re: LOW D+ voltage to leds Samsung PS BN44-00666A

Thanks for your reply, on led tester led is being powered on by 2.5 VDC and it glows bright. i have already ordered replacement power supply at cost of $20. its not worth messing around to try to...
Forum: Troubleshooting TVs and Video Sources 08-12-2018, 08:46 AM
Replies: 9
Views: 2,815
Posted By gavric
Re: LOW D+ voltage to leds Samsung PS BN44-00666A

Model of tv is UN40EH5300 and i have already ordered replacement power supply at cost of $20 its not worth messing around to try to fix it. Will update results here. Thanks
Forum: Troubleshooting TVs and Video Sources 08-11-2018, 12:29 PM
Replies: 1
Views: 660
Posted By gavric
Re: Samsung UN50EH5300F Repaired Backlights

That is why they burn up, when they are straight from the box set to backlight on highest for perfect picture apperance + will keep consumers coming back to buy new tvs after 2-3 years.
Forum: Troubleshooting TVs and Video Sources 08-11-2018, 08:29 AM
Replies: 9
Views: 2,815
Posted By gavric
Re: LOW D+ voltage to leds Samsung PS BN44-00666A

strip part number is BN96-28766A

on led strip tester original 2 leds strips when tested on actual leads to screen are using 35.1 VDC and replacement is pulling 32.4, not sure what is happening...
Forum: Troubleshooting TVs and Video Sources 08-11-2018, 08:03 AM
Replies: 9
Views: 2,815
Posted By gavric
Re: LOW D+ voltage to leds Samsung PS BN44-00666A

Thank You for reply, At cap CM808 I get 218-220VDC when everything is hooked up. After checking around ps board i have found that 4 diodes that are close to that cap CM808 are not acting as diodes,...
Forum: Troubleshooting TVs and Video Sources 08-10-2018, 06:08 PM
Replies: 9
Views: 2,815
Posted By gavric
LOW D+ voltage to leds Samsung PS BN44-00666A

Hello, i am working on Samsung 40led tv with power supply BN44-00666A . Tv had no backlight and upon replacing 1 complete led strip all of the leds inside tv power on now but not to full brightness....
Forum: Troubleshooting TVs and Video Sources 08-10-2017, 08:47 PM
Replies: 30
Views: 5,140
Posted By gavric
Re: LG 70LB7100 Led Strip Replacement Question

Current feeding all strips together is about 1.1 amp at 52VDC. I am running 9 leds on strip section and feeding 52VDC to it. All together 128 leds in this screen. Power supply is rated at 3.42Amps. ...
Forum: Troubleshooting TVs and Video Sources 08-06-2017, 09:55 PM
Replies: 30
Views: 5,140
Posted By gavric
Re: LG 70LB7100 Led Strip Replacement Question

Thanks for this explanation.

I need to ask one question to understand something about this +Led and two VC lines on each led strip (3 wires to led strip) Is there any way to connect VC to other...
Forum: Troubleshooting TVs and Video Sources 08-04-2017, 11:17 PM
Replies: 30
Views: 5,140
Posted By gavric
Re: LG 70LB7100 Led Strip Replacement Question

I resoldered all connection going into strip row, no change

When screen goes black I lose all power to it, 54VDC at +LED is gone and VC leads are dead . Few moments before "lights out" red led...
Forum: Troubleshooting TVs and Video Sources 07-30-2017, 10:13 AM
Replies: 8
Views: 1,930
Posted By gavric
Forum: Troubleshooting TVs and Video Sources 07-29-2017, 08:22 PM
Replies: 8
Views: 1,930
Posted By gavric
Re: Samsung UN46d6003SF screen dark some

when tv is ON i get 392VDC at CP814S and when tv is off I get 164VDC.
all other voltages are good, 5v is 5.25v, 12v is 12,86V.






screen model T460HW08 V.7
nothing changes by doing...
Forum: Troubleshooting TVs and Video Sources 07-29-2017, 05:37 PM
Replies: 8
Views: 1,930
Posted By gavric
Re: Samsung UN46d6003SF screen dark some

I just unplugged main board from PS and backlights came on, about same in brightness and voltages are now as shown
TOP1+ 230VDC
TOP1- 115VDC boost of 4VDC from before
TOP2+ 115VDC boost...
Forum: Troubleshooting TVs and Video Sources 07-29-2017, 04:46 PM
Replies: 8
Views: 1,930
Posted By gavric
Samsung UN46d6003SF screen dark some

Hello, i have another tread active and you guys are great.

I got this Samsung UN46d6003SF that has picture and everything works but image is kinda dark. I actually opened screen up and looked at...
Showing results 1 to 25 of 47

 
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