[FONT=Arial]I have a 60 inch Samsung UN60EH6000F flatscreen TV. The screen went black a few months ago Sound is good, backlight is good, no menu. I replaced the TCon board with a used board purchased from Ebay. It worked fine for a 3-4 months, then the screen started ‘fading' back. Once again, sound is good, backlight is good, no menu. However, this time the picture looks fine for about 10-15 minutes, then fades back. [B]If I power cycle the TV, the display reappears, for another 10-15 minutes[/B], then fades black again. Repeatable ever time.
I ordered a supposedly ‘new' Tcon...
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by Mgiffune06-09-2024, 10:28 AM
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by PITERPENYThey brought the MacBook after another service and the touch ID doesn’t work, and it’s not surprising because the cable is broken. How to get out of this situation so that the touch ID works? who did it? I’m still thinking about repairing the cable, but it’s not clear where the information is stored, on the cable or in the sensor itself?...Today, 08:08 AM
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Just starting out in electronics repair and teaching myself as I go.
I have here a Corsair RM650 ATX PSU, which I'm treating as a learning project that if successful may be used in my PC.
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I want to fix a 2016 12 Inch Macbook which has a dead Logic Board.
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Thanks for your help!06-10-2024, 11:13 AM -
by jjanzkhello everyone
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by EazyBoneI am extremely new to programming and dipping into this. I picked up a XGECU T48 Programmer and have the correct socket for EMMC.
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I'm trying to extract a flashable bios file(ch341a) from the lenovo bios executable download. I have tried the instructions from this site [URL]https://starkeblog.com/lenovo/uefi/2022/08/28/extracting-bios-image-from-lenovo-update-exe.html[/URL], which are not working. According to those instructions, after issuing the command [CODE]"innoextract 7wcn38ww.exe"[/CODE] it should create an \app folder, inside which, I should find a newly created "7wcn38ww.exe" file. I should then be able to extract that using 7zip and find my .FD file.
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Just starting out in electronics repair and teaching myself as I go.
I have here a Corsair RM650 ATX PSU, which I'm treating as a learning project that if successful may be used in my PC.
Fuse was blown, probable power surge from lightning, followed the circuit and found, a dead relay and all the diodes and resistors around the bridge rectifier shorted. Rectifier and MOSFETs seem fine on the LCR.
Also found these tiny diodes on the other side, a few shorted, the rest seem fine. But they're not all marked as Zener on the pcb. So I'm unsure what these should be replaced with....Today, 09:52 AM -
by jjanzkhello everyone
I have a board that does not turn on and I found this integrated damaged but I cannot find the part number, I looked for a schematic but there is none. What I could see with the microscope is that it has these letters "THDN BCD" but I couldn't find any information, I'm sorry for the quality of the photo but my cell phone can't handle it anymore. thanks1 PhotoToday, 02:10 PM -
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by x_orange90_xI got this tv yesterday and it shows a screen full of colored vertical bars and horizontal lines that move, change, and dance around. When the set is powered on there is a slight buzz from the tcon. I removed one ribbon at a time and this was the result:
Right side connected, left side disconnected = half image on right (somewhat distorted, see photo attached) white screen on left. NO buzzing from TCON
Left side connected, right side disconnected = right side black, left side white with distorted horizontal lines near top of screen. Buzzing from TCON
I swapped...Today, 07:57 AM -
by Elaid02[FONT=Comic Sans MS][SIZE=16px]Hii
is it possible to remove bios password for this laptop
-- Dell Latitude 9440 --
is the bios file size = 64 MB ??[/SIZE][/FONT]-
Channel: BIOS Requests ONLY!
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by dreico33Hellow guys,
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Any help would be greatly appreciated!!
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Channel: BIOS & Schematic Requests!
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by ongobongoI have a surface go 2/3 here which has problems with the battery showing/charging.
I played around with the resistors on the back of the battery connector but forgot to take good measurements beforehand.
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Channel: Troubleshooting Audio Equipment
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