2+ year old TV with many (720? 65" version has 720) mini LED dimming zones. TV boots, has sound, panel picture can be seen with flashlight. No backlight. No TV model sticker on rear panel (Maybe Samsung service removed it, read below). Found the model # through the PSU and zoned LED driver board numbers.
PSU has a click near LED output circuit at 1 second interval, sounded like the 4x barrier rectifier area. Protective pastic liner under PSU shows heat signature on the Schottky Barrier Rectifier in this circuit. Found a shorted diode (2 diode per rectifier, failed rectifier labled...
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Intel I5 - 1335U
16 GB RAM
Type 21F2
Board LCFC KX3B0 KX3D1 NM-E812 Rev: 1.0
Read from a working device.
I unsoldered two large chips for reading.
I read the third one without removing it from the board.
I read each chip 3 times and the dumps matched (I didn't write the firmware to the chips again for checking).
...Today, 09:04 AM -
Hello everyone, I have an HP 840r G4 whose BIOS I reprogrammed, and when I turn it on, it takes a long time to boot up. This is not normal. Can you help me find the correct file? I've attached the original BIOS file.
SN: 5CG9184J31
Please help me.... -
As this is a brand new forum, I thought I'd open up a thread to encourage new members to introduce themselves a bit.. now hey.. let's not get too personal.. ok ?
And if you wouldn't mind to keep this thread \"clean\" let's try to keep the the chitchat (i.e. even the welcome to the board replies) to a minimum or this thread may get to 100 pages fast
So I'll start things off :
My name is petabyte and I'm a forum junkie. :oops:
I've been off the wagon for a number of years and countless times I've tried to stop but it's useless.....
-
please can some one clean my bios password i will upload locked file can someone can clean it Its Urgent
i download bin file from internet same model butt no display i think i must clean orignal file password Please Help...
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