Telefunken TLEDD-32HDR no back light

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  • Superbee_dad
    Sharp 80” long short flash backlight error - Help
    by Superbee_dad
    Hello Sharp TV experts
    Our Sharp LC-80LE642U displays one short one long flash error code which is a backlight error. I went into service mode and there were 8 lamp error counts recorded. I reset the count to 0 and did a reset. The last monitor error cause was 16 B00014639:12. 16 is the code for backlight error. I tried to power the tv up but went back into error mode.

    > I checked voltages on the power supply board and they all check out .. including 3.28 volts at the error pin.
    > There is power to the cpu and T-CONN and no faults found there. The cpu has a flashing...
    01-24-2025, 11:51 PM
  • howardc64
    A1312 (27” iMac 2009-2011) A1407 (Thunderbolt Display) A1316 (Cinema Display) Display Black Screen Repair
    by howardc64
    Problem

    This is an LG edge LED lit LCD Display. The LEDs are on the bottom edge of the display. There are 2 bars (left and right) Each bar has many LEDs and a 6 pin connector. Each pin drive several LEDs thus is the highest current flow / heat junction. The weak lead free solder gradually fails with thermal expansion/contraction cycling and increases resistance. PSU will compensate up to a point, then when the current is too high, PSU just shut down the backlight causing a dark display. I have even seen one which the connector just fell off as solder points became completely detached....
    08-04-2024, 10:36 PM
  • koby058
    vostro comes up with back light but no picture
    by koby058
    Hi people!!
    The owner said it showed bad picture once in a while (attached)
    I see that there is back light but no picture.
    I want to ask if it is possible to disable the NVIDIA GPU and use the intel one?

    Also attached schematic and BDV

    LINK to schematic & boardview - https://www.badcaps.net/forum/troubl...ll-vostro-5590...
    07-13-2025, 01:03 PM
  • Green Probe
    Recapping a Denon AVR X6400h SMPS
    by Green Probe
    (TLDR: It was capacitor C6519 [Koshin KZH 50V22uF] and C6515 [Koshin KZH 25V47uF] on the power supply. I have questions at the end)
    Disclaimer: I'm an amateur hobbyist and will get things wrong.
    Always use caution when working around mains power and high voltage capacitors!
    Hey guys, I'm repairing a Denon AVR X6400h for my brother. It quit powering on after a power outage. It acted like this last time there was an outage, but after letting it sit overnight it started working again for a few years. This time letting it sit did not bring it back.
    SYMPTOMS:
    -No display...
    07-18-2025, 03:36 PM
  • sam_sam_sam
    Lift Master Garage Door wall switch display / motion sensor controller display disappeared no back light
    by sam_sam_sam
    This happened last Saturday and today I finally had time this morning before I went to work to replace two non brand capacitors

    I will let you be the judge weather or not these are bad or not according to the blue ESR meter that I am using

    I am comparing them to a brand new one that I installed

    The display came back on and the programming was not lost which I was surprised by I would have thought that when the display went blank that so did the memory as well

    I going to let it run for several days before I remount back on the wall next to the...
    09-05-2024, 06:48 PM
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