Magic tv 55d2100 black screen

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • amin.no
    New Member
    • Mar 2020
    • 5
    • Iran

    #1

    Magic tv 55d2100 black screen

    Hi everyone;
    Backlight is ok also we have audio from tv but black screen out!
    TICON is placed on the address board in this model (image uploaded). And two address boards pluged to each other. I released one side to sure about broken on that ( I guessed that the panel is defective) but i can't be sure about other side because TICON placed on that.

    Vgl voltage: 0.11
    Vgh voltage: 0.63
    Vcc: 12.2 ok
    ic part 7100Absh have 3.3v on pin 4 and 2.3v on pin 8. Other pins zero. (Pinout uploaded)
    Regular ic part 5932A have 3.3v on FB;Out pins. The input has low voltage (about 0.8).
    Need help!

    Click image for larger version  Name:	ANX7100ABSHS Printing 7100ABSH SOP8 (1).png Views:	0 Size:	97.1 KB ID:	3329178
    Click image for larger version  Name:	IMG_20240812_231440.jpg Views:	0 Size:	997.9 KB ID:	3329179 Click image for larger version  Name:	IMG_20240814_131033.jpg Views:	0 Size:	1.44 MB ID:	3329180

    Click image for larger version  Name:	IMG_20240812_232137.jpg Views:	0 Size:	1.10 MB ID:	3329181
    Last edited by amin.no; 08-14-2024, 06:45 AM.

Related Topics

Collapse

  • HTR-Informatique
    Dell G3 15 3500 - Battery bug (black screen and flashing keyboard backlight)
    by HTR-Informatique
    Hello,

    YouTube video of the problem encountered: https://youtube.com/shorts/q7TLNv36LUo

    I am a pro and I have a problem that I have never seen despite my 7.5 years of experience on my own and my thousands of repairs, on a customer's Dell G3 15 3500.

    On this PC I have already changed the complete palmrest because the keyboard was no longer working properly.

    I also changed the screen because the PC fell and the screen was broken.

    I changed the battery with a new and original battery.

    I also had corrosion/oxidation on the...
    02-09-2025, 06:51 AM
  • 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
  • DaniK
    Acer Aspire E5-574-52RH - black screen
    by DaniK
    Hi everyone,
    I have this strange behaviour with Acer Aspire E5-574-52RH, i5 6200U, intel graphics, DA0ZRWMB6G0 Rev G, model ZRW.
    Laptop came in for a SSD upgrade, took everything apart to install the SSD.
    Everything started after modifying BIOS settings to boot UEFI instead of Legacy.
    Laptop works fine, i installed windows 10 and drivers/updates, everything works ok(when it works)
    The black screen problem is random, maybe 5 out 10 times, laptop remains with the black screen, no image

    Symptoms are:
    - random black screen after displaying Acer logo...
    02-21-2024, 06:27 AM
  • turmix
    AOC U34G3XM, new monitor, black screen with backlight on, possible shortcircuit during dissassembly
    by turmix
    Hello, I'm working on a new deskmod pc project and have a problem with my monitor, an AOC U34G3XM, well, I may have bricked it.

    The monitor was dismanteled and the separate parts parts integrated in the desk. the screen panel alone is on the upper part, and main board/video board + power board on the back of the desk (not enough place on the cover to fit it)
    At first everything was working smoothly, then I decided to change the connexion between the video board and the screen for a longer one. Still working fine

    During another reassembly, I made a mistake, and...
    01-29-2024, 03:48 AM
  • Francesco Valsecchi
    r9 290 "black screen"
    by Francesco Valsecchi
    hello i bought a faulty radeon r9 290 (black screen) to learn to fix gpu's, when it arrived i mesured resistances on 3.3 v and 12v both on the pcie connector and cables i have no idea on how to recognize 1.8v pex and 5v but i checked all inductors and none had a dead short only one was 55 or 140 ohms i don't really remember and i assumed it was memory i installed it on the pc and it delivered no image, not even a backlight so i installed it as a secondary graphics card using the igpu as primary, both device manager and gpu-z only showed the igpu so i assumed it was acutally a no detect even tough...
    08-18-2025, 06:44 AM
  • Loading...
  • No more items.
Working...