Sony KDL-32BX300 wont turn on

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  • jb_Bak
    Sony xbr-65x900c main board issues?
    by jb_Bak
    Hey guys great forum glad to have found it. I bought a Sony XBR 65X900C cheaply because it didn't work. No signs of life at all not even a light/led. All I hear is a brief high voltage sound when I throw the power to it.

    Didn't see any obvious signs of damage so right away started checking voltages. This is what I see:
    Power Board Connector that goes to Main board
    CN6401
    Pin 01 NC
    Pin 02 NC
    Pin 03 "BL_ON": 0V
    Pin 04 "N/C"
    Pin 05 "STBY 3.3V": 3.5V
    Pin 06 "GND": N/C
    Pin 07 "AC_OFF"...
    09-27-2021, 04:52 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
  • delpiero3
    Sony Vaio SVS MBX-261 board failure
    by delpiero3
    Hi everyone, newcomer in this forum, i watched tons of video from Sorin, i like the way i calmly explain things, i did quite some console repair, i am not that bad at micro-soldering, but troubleshooting where the issue is, is definitely where i still have progress to make. Usually i was able to fix the console because the failure was obvious, or because i was able to find someone with similar measures on the board and was pinpointing what to replace that way.
    Nevertheless, let's say, i don't come as a total beginner.
    I have this old laptop, which suit perfectly my needs, with the...
    10-29-2024, 06:16 AM
  • huj3r
    Sony KDL-40Z4500 LCD with stripes and 9 blinks (possible BGC board or harness problem
    by huj3r
    Hi there!

    I have a Sony Bravia KDL-40Z4500 which shows a colored vertical stripes pattern when turning on, with a central black shadow that slowly dissipates within the first 10 seconds.

    Photo of the situation after the black shadow dissipates:

    After this behavior the red LED will blink 9 times, then pause for a bit, and blink again 9 times, in a loop.

    I checked the manual (available here) and this corresponds to "HFR error", quoting from the manual:

    > This indicates HFR Communication error. [ HFR Communication...
    08-15-2023, 10:55 AM
  • brzostos
    HP ENVY X360 15-EU0005NA 203037-2 does not turn on, something whistles on the board.
    by brzostos
    Hello, HP laptop model 15-EU0005NA. It does not turn on, 1 in 100 manages to turn it on then after a while it freezes/disappears/flashes, etc.

    After removing the motherboard and connecting the board with RAM to the power supply, I noticed that at first all voltages start correctly and after a few seconds 3.3V on the PL4501 coil disappears and somewhere in this area something starts beeping on the board, sometimes after touching it with a finger in the area of PL4551 it stops beeping and 3.3V appears again.

    Original HP 150W power supply, the diode in the power socket lights...
    10-01-2024, 01:34 AM
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