Digest for sci.electronics.repair@googlegroups.com - 6 updates in 2 topics

kgpup <kgpupswitch@gmail.com>: Nov 13 07:05PM

Hi all, when I plug in the aforementioned TV I get no red standby light at
all and the backlight flashes a little longer than a second. Any ideas?
"Peter W." <peterwieck33@gmail.com>: Nov 13 11:45AM -0800

On Monday, November 13, 2023 at 2:05:57 PM UTC-5, kgpup wrote:
> Hi all, when I plug in the aforementioned TV I get no red standby light at
> all and the backlight flashes a little longer than a second. Any ideas?
 
If I were to hazard a guess, that TV got spiked at some point. It may be as simple as a frozen relay in the starting circuit, a fusible link or similar.
Repeat: S.W.A.G. Guess.
 
Peter Wieck
Melrose Park, PA
"ohg...@gmail.com" <ohger1s@gmail.com>: Nov 13 01:34PM -0800

On Monday, November 13, 2023 at 2:05:57 PM UTC-5, kgpup wrote:
> Hi all, when I plug in the aforementioned TV I get no red standby light at
> all and the backlight flashes a little longer than a second. Any ideas?
 
I've stopped taking in all TU series Samsungs because most have bad display screens. Symptoms are from random shutdown and restart (with tell-tale very fine horiz lines in the pic as viewed up close) to no picture, just constant rebooting on plug in.
 
If the TV cycles the back lights every 15-20 seconds or so by itself, it's probably a bad display. Unplug the ribbon to the display and see if the back lights stay on.
kgpup <kgpupswitch@gmail.com>: Nov 14 02:42PM


> If the TV cycles the back lights every 15-20 seconds or so by itself,
> it's probably a bad display. Unplug the ribbon to the display and see
> if the back lights stay on.
 
I unplugged the ribbons, same thing - backlight flash at 1 second
intervals.
"ohg...@gmail.com" <ohger1s@gmail.com>: Nov 14 07:55AM -0800

On Tuesday, November 14, 2023 at 9:42:08 AM UTC-5, kgpup wrote:
> > if the back lights stay on.
> I unplugged the ribbons, same thing - backlight flash at 1 second
> intervals.
 
Unplug the harness from the main board to the power supply and plug in the AC. If the backlights come on and stay on with the main disconnected, your main is probably bad.
Jeff Liebermann <jeffl@cruzio.com>: Nov 13 11:37AM -0800

On Mon, 13 Nov 2023 12:12:05 -0000 (UTC),
 
>there was a lot of things I tried last time this happened - nothing worked
>gparted says unrecognisable drive format
>but I see this as prolly lost cause
 
At least gparted recognizes the drive.
 
If you want to try the software recovery method, there are plenty of
programs to choose from:
<https://www.google.com/search?q=flash+drive+recovery+software>
Most of these include a "trial" version of the program to test if
there is a chance at fixing the drive or recovering the data.
--
Jeff Liebermann jeffl@cruzio.com
PO Box 272 http://www.LearnByDestroying.com
Ben Lomond CA 95005-0272
Skype: JeffLiebermann AE6KS 831-336-2558
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