ln52a750r1fxza and tc-p42c1

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • crdz66
    Badcaps Veteran
    • Nov 2012
    • 242
    • USA
    #1

    ln52a750r1fxza and tc-p42c1

    Hello Everyone.

    This forum it is really incredible.
    Thanks for you help before.

    Well, I have 2 tv's with little bit problems.

    1.Samsung ln52a750r1fxza
    First, Is a Samsung 52" started with double images (more notable on letters and no and images). There are 4 lines running horizontal like 4 inches tall each one. Ones more darker than another ones. After 15 minutes the screen looks better but no totaly, but, watchable. can be t-con board??????
    The T-Con board have 4 ribbon cables.

    2. Panasonic TC-P42C1
    This one have 10 blinks after power on button.
    I already replace the power supply board but still the problems is there.
    I did it couple reads on the test point on Main Board and find the next:
    On IC5401
    Test Point TP3506 find very low voltage like 2.3volts.
    This can be a trigger for shut-down the tv and blink 10 times???
    How can I test this Ic Regulator if this is under Main Board or is enough with this test point for to know is failed.??

    Anyhelp can be great
    Regards everyone.
    Thanks
    Tags: None
    • selldoor
      Slow Learner
      • Dec 2010
      • 7870
      #2
      Re: ln52a750r1fxza and tc-p42c1

      start two separate threads and let this one die
      Please upload pictures using attachment function when ask for help on the repair
      http://www.badcaps.net/forum/showthread.php?t=39740

        Comment

        Previous template Next

        Related Topics

        Collapse
        • Tynan Dill
          Vizio e601i-A3 - Has Sound and Display, But No Backlight - Bad Power Supply Board or Bad LED Bulbs ?
          by Tynan Dill
          I was given this TV from my great uncle. He said it just wouldn't turn on one day out of nowhere, replaced the TV, and gave it to me to possibly fix and use for myself.

          Upon bringing it home and plugging it up, it showed a standby light.

          I powered it on and without a flashlight, the display showed the "V" but the lighting is very dim, but visible.

          The screen seems to blackout and stay black, but with a flashlight I can see the display.

          With my Playstation 4 connected via HDMI, and running a game I can hear sound.

          Assuming...
          ORIGINAL POWER SUPPLY BOARD
          7 Photos
          11-22-2024, 01:46 PM
        • howardc64
          TCL 55S425 few horizontal lines, potential failure on both side of panel/buffer board
          by howardc64
          All left and right refers to looking from rear of TV (or looking from front with TV upside down)
          • TV came with vertical bars and no image. Found faulty TVS on left buffer board. Also replaced T-Con (may have damaged the original while hot air removing components, board has slight warp) and have full image but few horizontal lines on the screen. Some of the lines appears to be 2 pixel tall while others are 1 pixel tall.
          • Disconnecting left and right buffer board potentially reveals problems on both sides with different signals (unless this T-Con require jumper like Samsung FB_TRDY1&3) Fault
          ...
          07-24-2025, 05:17 PM
        • SluggerB
          Help with trying to fix phone that is not charging (Pics inside)
          by SluggerB
          I have two TCL A30 phones.

          Old Phone: This phone worked fine for years, then stopped charging If you plugged a charger into it, the phone would make the charging sound, the phone would tell you it is charging, but the battery icon would not have the charging symbol in it and the battery would not charge.I tried new battery, same behavior.

          New Phone: Works fine, bought as a donor board to try and repair Old Phone

          My interest here is to repair Old Phone, using components parts off New Phone if needed. I am not interested in replacing Old Phone with New Phone....
          08-12-2024, 08:11 AM
        • m1ch43lzm
          HP Pavilion 15-eh Board DAG7HAMB8F0 - CPU throttling to 0.4GHz (PROCHOT_EXT) and black screen
          by m1ch43lzm
          Hi, this is my personal laptop, which the original board (lets call it Board A) blew up PU8700 (TPS51486), making a hole on the board, i had left the laptop at my desk one day with the battery fully charged and didn't touch it for a week, but when i tried to turn it on it didn't
          Thought the battery was dead, so i plugged in the charger then tried to power on, the power LED blinked once, charged LED still orange, unplugged the charger, plugged in again and I noticed the "magic smoke" smell, so i unplugged the charger, removed the back cover and saw the blown IC (the "magic...
          05-12-2025, 08:37 PM
        • R7027
          How to probe TP7002 for AP_PS_HOLD on SM-G930F?
          by R7027
          In the service manual for Galaxy S7 (SM-G930F), step number four in the flow chart for troubleshooting power-on issue is to check the voltage level of a "signal".



          I had a very hard time locating this. I didn't understand what it means to check for voltage of something by its signal name, and it's location was not described in the service manual (not that I could see in my four chapter excerpt of the complete manual). Then I learned that this signal name needs to be translated into a test point (TP) ID on the board. This is unlikely to be referenced in a service...
          01-02-2023, 06:25 AM
        • Loading...
        • No more items.
        Working...