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Search: Posts Made By: angelos
Forum: Troubleshooting TVs and Video Sources 05-17-2022, 11:07 AM
Replies: 1
Views: 74
Posted By angelos
Borderless TV screens (without bezel)

Hi guys, I have a friend that needs help but does not have access to the internet. He has these borderless tvs whose lcd screen is glued into place. A lot like a cell phones. Now he got it loose and...
Forum: Troubleshooting TVs and Video Sources 05-14-2022, 03:28 AM
Replies: 5
Views: 137
Posted By angelos
Re: Sharp Lc-50UB30U may be locked out of Service Mode and Factory Mode

The people in this forum will ask for pictures of the main board and perhaps one a close up of the eprom before any suggestions can be made.
Forum: Troubleshooting TVs and Video Sources 05-14-2022, 03:20 AM
Replies: 9
Views: 316
Posted By angelos
Re: Samsung BN44-0851A powersupply problem

How sure are you that both opto couplers are shorted out? I have only seen opto's that go open circuit.
How did you test them?
Let me tell you what i do to test these optos. It might not be 100%...
Forum: Troubleshooting TVs and Video Sources 04-05-2022, 06:37 AM
Replies: 13
Views: 363
Posted By angelos
Re: LG 32LJ610V with the blue tint of death. LED replacing...

The layer on top is phosphor that filters the blue led light into white. Apparently all led's are blue emitting diodes. Its the phosphor that changes it to white. In your case due to overuse the...
Forum: Troubleshooting TVs and Video Sources 03-31-2022, 11:19 PM
Replies: 5
Views: 290
Posted By angelos
Re: Samsung Smart TV - No HDMI working

Thanks goes to everyone who responded to help confirm my suspicions!
Regards
Forum: Troubleshooting TVs and Video Sources 03-31-2022, 01:23 AM
Replies: 5
Views: 290
Posted By angelos
Re: Samsung Smart TV - No HDMI working

I have tried different devices, no luck. But yes it would be the main board. So i will order a new one.
Forum: Troubleshooting TVs and Video Sources 03-31-2022, 01:22 AM
Replies: 5
Views: 290
Posted By angelos
Re: Samsung Smart TV - No HDMI working

I have ordered new board already. Just very expensive.
Forum: Troubleshooting TVs and Video Sources 03-30-2022, 02:24 AM
Replies: 5
Views: 290
Posted By angelos
Samsung Smart TV - No HDMI working

Hi guys, this is just a general question but if this TV has got 2 HDMI ports and both do not work what could be the problem.
So If I feed a signal to the HDMI1 and put my TV to that source all I get...
Forum: Troubleshooting TVs and Video Sources 03-26-2022, 01:07 AM
Replies: 1
Views: 210
Posted By angelos
FN155 replacement

Hi all, i have this toshiba tv that uses this transistor on the power supply. Its function is to feed the supply voltage to the STRF6268. I cannot get any clear info on it. Its apparently used in a...
Forum: Troubleshooting TVs and Video Sources 03-21-2022, 11:00 PM
Replies: 5
Views: 663
Posted By angelos
Re: Eprom dump versus firmware update

Yes Davi, my grammar sucks. My english teacher thought so too. ��*♀️
Over the weekend i got in a tv that needed a eprom dump and i could not fix it because the unit i was working on is so uncommon.
Forum: Troubleshooting TVs and Video Sources 03-18-2022, 04:56 AM
Replies: 5
Views: 663
Posted By angelos
Re: Eprom dump versus firmware update

I thought as much. Thanks for confirming my suspicion.

Cheers
Forum: Troubleshooting TVs and Video Sources 03-18-2022, 12:55 AM
Replies: 5
Views: 663
Posted By angelos
Eprom dump versus firmware update

Hi all,
I have a interesting question but does anyone know the following.
If i flash a tv with a firmware update and then i remove the memory ic 25Q32BVSIG, a 4mb SPI chip and read the contents...
Forum: Troubleshooting TVs and Video Sources 03-18-2022, 12:44 AM
Replies: 5
Views: 663
Posted By angelos
Eprom dump versus firmware update

Hi all,
I have a interesting question but does anyone know the following.
If i flash a tv with a firmware update and then i remove the memory ic 25Q32BVSIG, a 4mb SPI chip and read the contents...
Forum: Troubleshooting TVs and Video Sources 03-02-2022, 06:25 AM
Replies: 9
Views: 419
Posted By angelos
Re: Defective ShopJimmy LED Strips?

I go one step further and modify the current on the set. You know what? Many of these TV manufacturers design the backlight set to run at 100% of its capability. For example a LED lets say a 3030...
Forum: Troubleshooting TVs and Video Sources 02-16-2022, 05:59 AM
Replies: 7
Views: 331
Posted By angelos
Forum: Troubleshooting TVs and Video Sources 02-13-2022, 11:24 PM
Replies: 7
Views: 331
Posted By angelos
Re: Sansui 32" LCD TV Model SV-3208LCD bad color

Check the photo I have attached for a proper explanation of the fault.
Forum: Troubleshooting TVs and Video Sources 02-13-2022, 11:15 PM
Replies: 7
Views: 331
Posted By angelos
Re: Sansui 32" LCD TV Model SV-3208LCD bad color

I have no scrap TCON for this model. And ordering one i would have to wait 3 months to find out. That's why i was asking if anyone has knowledge on such kind of a fault so that i can proceed.
Forum: Troubleshooting TVs and Video Sources 02-13-2022, 11:13 PM
Replies: 7
Views: 331
Posted By angelos
Re: Sansui 32" LCD TV Model SV-3208LCD bad color

Nope, its not the entire screen doing this but rather 90% of it. The other 10% is perfect always. The first inch on top is fine, check the photo's.
Forum: Troubleshooting TVs and Video Sources 02-12-2022, 08:27 AM
Replies: 7
Views: 331
Posted By angelos
Re: Sansui 32" LCD TV Model SV-3208LCD bad color

Here is the layout of the back of the TV.
Forum: Troubleshooting TVs and Video Sources 02-12-2022, 08:26 AM
Replies: 7
Views: 331
Posted By angelos
Sansui 32" LCD TV Model SV-3208LCD bad color

Hi Guys, i have this set that seems to show the colors all wrong. This is not a solarized image but just seems to light up the wrong colors in a horizontal sense. I have added some still images so...
Forum: Troubleshooting TVs and Video Sources 02-03-2022, 04:46 AM
Replies: 8
Views: 1,256
Posted By angelos
Forum: Troubleshooting TVs and Video Sources 01-18-2022, 12:42 PM
Replies: 12
Views: 626
Posted By angelos
Re: LED Panel repair!

It's very seldom you get someone that shares their secrets so we should appreciate what is available on boob tube. Even though I don't understand I can make out enough to take instruction. I mean, my...
Forum: Troubleshooting TVs and Video Sources 01-18-2022, 05:34 AM
Replies: 12
Views: 626
Posted By angelos
Re: LED Panel repair!

https://www.youtube.com/watch?v=HNsI8Lx0ro4

Here is the video. Remember that you get a variety of symptoms i you have a voltage missing. From a screen that goes blue, to a dark screen to a screen...
Forum: Troubleshooting TVs and Video Sources 01-17-2022, 03:38 AM
Replies: 12
Views: 626
Posted By angelos
LED Panel repair! COF IC's

So i have been watching a lot of those panel repair videos. Not the one with the bypass method cutting the CKV lines but the videos where a voltage is missing to one of the side COF IC's. This is...
Forum: Troubleshooting TVs and Video Sources 01-17-2022, 03:22 AM
Replies: 2
Views: 262
Posted By angelos
Re: Backlight to repair LED panels

Or maybe a tv whose led panel is cracked, we remove the panel and reassemble the set.
Use the tv to diffuse the light that way?
Showing results 1 to 25 of 343

 
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