Panasonic TX-L42ET5B 3 blink error

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  • nervx
    Panasonic TH-42PZ800 8-blink error mystery
    by nervx
    Years ago my tv gave a 7 blink code which turned into 8 during diagnosis. I had ordered a replacement ss board but somehow the tv started working again and i never used the board. Now a week ago my tv flickered and shut off at random and gave the 8 blink error code. The same issue it had all those years ago. The only difference this time is that over the last few months there has been some purple and green tinge that comes and goes in more solid colors such as white.

    Anyway i checked all the screws and replaced the ss board with a known good one and still got 8 blinks. I saw a...
    04-08-2022, 05:19 AM
  • cloo
    Panasonic ZT60 plasma tv with strange behavior and 8 blink code
    by cloo
    I recently got my hands on a 60" Panasonic P60ZT60 plasma tv (european model) that has some strange issues along with an 8 blink code.
    It know this tv is getting old but it was once considered one of the best plasmas ever made, and i think it is still holds on to that even by todays standards.


    So, long story short. When i first got the tv it had a very bright washed out picture with very raised blacks in all picture modes and i couldn't find the cause in the picture setting menus.
    After doing a factory reset this problem was gone and the picture was back to...
    01-06-2025, 06:02 AM
  • pixelcap
    Pioneer Kuro Pro 111FD 8 red blink error
    by pixelcap
    Pioneer Kuro Pro 111FD 8 blink red LED.





    I have been trying to solve the power-down 8-blink red LED problem with my Pioneer.


    So far I have replaced the power supply board, and the digital assembly board, I have reconnected the ribbons to all boards, ensuring the connections are good. Even though the problem is the 8 red light error and not the more common 8 blue light error code, I had Kcrownie,
    based in North Carolina replace the chips that cause the 8 blue LED problem (the main board and audio board) the plasma is still powering...
    1 Photo
    10-06-2024, 11:26 PM
  • howardc64
    Samsung QN75Q6FNA backlight no display, red LED blink 2x, fault in panel
    by howardc64
    • Prior owner tried a replacement main board. No difference.
    • Samsung 2x red blinking standby LED = panel fault
    • Jumpered FB_TRDY_1 (pin 1 CN1300 left. main tcon->left side buffer boards) and FB_TRDY_3 (pin 95 CN1301 right. main tcon->right side buffer boards) This allows testing individual T-Con (on main board) connection to panel on this Samsung. Found fault on left side (viewing from rear of TV)
    • Each side has 2 buffer boards, disconnected left side flex between 2 buffer boards. Fault is on the left most board.
    • Tape masking eventually isolated to CN1300 pin 15 (CKV4_GOA) Display
    ...
    07-19-2025, 10:54 PM
  • Rictech
    Panasonic SA-MAX770PU SMPSU board fault....
    by Rictech
    Hello everyone. 😀

    As per thread title, this unit has a serious SMPSU fault. It blows F1001, which is a 10A M205 in the phase from the mains input.
    Very first thing I tried, was simply replacing the fuse, but the replacement ceramic fuse blew immediately.

    Looking at the schematic for this PSU, I then removed what I thought was the next likely candidate: D1001 - the HV main bridge rectifier.
    This isolated the fault(no longer blows the main fuse), but does not point me to the actual fault.
    There are no devices that have exploded or otherwise show signs...
    08-26-2024, 01:05 AM
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