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Search: Posts Made By: Davi.p
Forum: Troubleshooting TVs and Video Sources Yesterday, 06:55 AM
Replies: 17
Views: 308
Posted By Davi.p
Re: Samsung UA55ES8000 vertical lines + clicking

Sorry, i don't know why i have inserted a post for the italian forum here...
Forum: Troubleshooting TVs and Video Sources Yesterday, 03:02 AM
Replies: 17
Views: 308
Posted By Davi.p
Re: Samsung UA55ES8000 vertical lines + clicking

Riprendo questa discussione cosi' chi legge ha un quadro piu completo, ho un tv stessa serie stesso difetto cui ho provato il reset eeprom e poi il cambio della nand Flash con una dalla Cina su ebay...
Forum: Troubleshooting TVs and Video Sources 02-07-2019, 06:42 AM
Replies: 7
Views: 185
Posted By Davi.p
Forum: Troubleshooting TVs and Video Sources 02-06-2019, 08:46 PM
Replies: 7
Views: 163
Posted By Davi.p
Re: Samsung LE40D503F7W LCD TV - RED image, some lines

Right to finish the post there's not one only chip responsible of image shape, there are almost 2 in this tcon, AMLCD chip i guess is almost surely not programmable.
Forum: Troubleshooting TVs and Video Sources 02-06-2019, 12:24 AM
Replies: 7
Views: 163
Posted By Davi.p
Re: Samsung LE40D503F7W LCD TV - RED image, some lines

I have done troubleshooting theese days with another user in a forum and the result is not cheering, i have suspected low voltages but it's not, better to test them the same, another suspect i had...
Forum: Troubleshooting TVs and Video Sources 02-04-2019, 04:38 PM
Replies: 35
Views: 490
Posted By Davi.p
Re: LCD Problem (Obvious in Pictures)

"Tab" is a generic term not a technical one, if someone call it tab he can refer it as a horizontal side tab or vertical side tab, so don't play with words, technical terms are source driver fpc and...
Forum: Troubleshooting TVs and Video Sources 02-03-2019, 01:09 PM
Replies: 35
Views: 490
Posted By Davi.p
Re: LCD Problem (Obvious in Pictures)

tv's must be studied in deep also outside the forums, before doing suggestions.. datasheets, manuals and so on.. this is a totally fail..
Forum: Troubleshooting TVs and Video Sources 02-02-2019, 03:38 PM
Replies: 7
Views: 185
Posted By Davi.p
Re: Sony KDL-46HX729 What is this defect called?

I'm not sure about the panel fault, if you buy it at very low price you can make fun doing troubleshooting, i have a suspect about the tcon board, but if you are not familiar with electronics repair...
Forum: Troubleshooting TVs and Video Sources 02-02-2019, 03:32 PM
Replies: 6
Views: 150
Posted By Davi.p
Re: 55 Micromax Led TV Half screen red

No good pictures, take some new ones with the whole screen and a input source, it seems cracked screen to me..
Forum: Troubleshooting TVs and Video Sources 02-02-2019, 03:26 PM
Replies: 14
Views: 315
Posted By Davi.p
Re: Sharp LC-70LE650U

BAD SOURCE DRIVERS, if the pressure on them doesn't improve then there's no way of fixing it..
Forum: Troubleshooting TVs and Video Sources 02-02-2019, 03:02 PM
Replies: 5
Views: 107
Posted By Davi.p
Re: Troubleshooting Philips 55 LED TV(horizontal lines and discolouring)

No way, it's a bad gate driver's problem, so bad panel.
Forum: Troubleshooting TVs and Video Sources 02-02-2019, 02:44 PM
Replies: 6
Views: 1,246
Posted By Davi.p
Re: Samsung LED TV Repair - HELP!

open a new thread, no good to hijack other's ones, then put better pitctures with whole screen and an input source ..
Forum: Troubleshooting TVs and Video Sources 02-02-2019, 02:36 PM
Replies: 32
Views: 427
Posted By Davi.p
Re: 47ls4500 screen has rainbow color.

Hi, in the past i have tried too the wav file with a cheap tablet with the volume at the very maximum and a single output led with a generic clear led, i suspect that must be used a specific led took...
Forum: Troubleshooting TVs and Video Sources 02-02-2019, 12:30 PM
Replies: 7
Views: 163
Posted By Davi.p
Re: Samsung LE40D503F7W LCD TV - RED image, some lines

First. The photos of the tcon board are taken very badly, multiple ones of the same area, shadow on it.. so redo theese better, an try to edit your first post if possible..
Don't think about gamma...
Forum: Troubleshooting TVs and Video Sources 01-30-2019, 03:46 AM
Replies: 39
Views: 688
Posted By Davi.p
Re: Samsung LN40A550P3F 40" HDTV, slow to turn on

The cap is a Panasonic, red M stays for Matsushita.. anyway the not removing the old cap is not a good thing, tantalum caps last longer than electrolytic ones for a matter of capacity but them can...
Forum: Troubleshooting TVs and Video Sources 01-28-2019, 02:23 AM
Replies: 66
Views: 736
Posted By Davi.p
Re: Haier LE55F32800 Standby but now Andy Warhol video!

I think you have the defect of not read well the suggestions, it seems not a water damage tv and the thread you linked have photos of a different defect, so why do not to search for an update, do it...
Forum: Troubleshooting TVs and Video Sources 01-24-2019, 01:55 AM
Replies: 80
Views: 996
Posted By Davi.p
Re: Sasmung la40m81bd - Recapped

ok i've learned a thing, never put much effort in a forum!...
Forum: Troubleshooting TVs and Video Sources 01-23-2019, 10:05 AM
Replies: 80
Views: 996
Posted By Davi.p
Re: Sasmung la40m81bd - Recapped

I reorder things, i remembered bad, then the chip erasing it's been already done, but what it's been done after? 'Cause the tv usually needs an initialisazion, it's been made it ('cause before cap...
Forum: Troubleshooting TVs and Video Sources 01-23-2019, 06:11 AM
Replies: 80
Views: 996
Posted By Davi.p
Re: Sasmung la40m81bd - Recapped

How do you measure this? first you have to measure in volt to be sure to not damage the tester, then you can measure in ohm with caution..
Forum: Troubleshooting TVs and Video Sources 01-23-2019, 04:14 AM
Replies: 80
Views: 996
Posted By Davi.p
Re: Sasmung la40m81bd - Recapped

What do you mean?? Try what? I think the most probable culprit is the ST chip and its solderings, the things are strictly related, PSU and Mainb. caps generate high ripple that causes the ST chip to...
Forum: Troubleshooting TVs and Video Sources 01-23-2019, 02:38 AM
Replies: 80
Views: 996
Posted By Davi.p
Re: Sasmung la40m81bd - Recapped

ok maybe some caps are still bad on the mainboard, or there's a problem in the video RAM, for the shutting off then on surely the job done on eeprom is not a good thing, it must be placed back the...
Forum: Troubleshooting TVs and Video Sources 01-22-2019, 03:00 PM
Replies: 80
Views: 996
Posted By Davi.p
Re: Sasmung la40m81bd - Recapped

Hi, i don't like the suggestions done here in this thread..
the video shows evidently a corruption in firmware data, the part on the flash chip or the data copied into the RAM, so best way to do for...
Forum: Troubleshooting TVs and Video Sources 01-17-2019, 01:21 PM
Replies: 20
Views: 773
Posted By Davi.p
Re: lcd/led screen panel repairing guide

...i would like to ask Jestine Yong if he is happy to see its work here shared for free
Forum: Troubleshooting TVs and Video Sources 01-17-2019, 11:33 AM
Replies: 20
Views: 773
Posted By Davi.p
Re: lcd/led screen panel repairing guide

I don't trust that this is an obsolete ebook, since the info that i've seen on it is almost new to many people here, or so it seems...
Forum: Troubleshooting TVs and Video Sources 01-17-2019, 10:10 AM
Replies: 20
Views: 773
Posted By Davi.p
Re: lcd/led screen panel repairing guide

From what i've seen it contains the full index content...
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