Sony KDL-46Z4500 Completly Dead

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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
  • Asraf Atb
    Help Needed: Samsung UE55MU8000 Dead - Possible Main Board Issue
    by Asraf Atb
    Hi everyone,

    Im looking for some advice regarding my Samsung UE55MU8000 TV with main board model BN94-11606C. The TV suddenly stopped turning on and now shows no signs of life at all not even the standby light at the bottom.

    Initially, I suspected an issue with the PSU, so I took it to a repair center. They tested it and confirmed that the PSU works perfectly, even on other TVs. Based on that, I started investigating the main board.

    I disconnected the main board from the PSU, and the backlight turned on, which seems to confirm the main board is the issue....
    01-27-2025, 05:02 PM
  • cheeky2
    Sony RB2G Chassis KDL-55W815B MAIN BOARD 2 Blink Error issue resolved! Happy days :)
    by cheeky2
    For anyone interested just repaired this Sony Main board TV that had a 2 blink error code, the chassis is a RB2G which is common to quite a few different Sony models. The Ceramic 10uF 25V X7R 1206 capacitor C9114 was shorted which took the smd 2A 0603 fuse out F9101. This was powering the Buck converter TPS54332 which caused no 5V output from it.
    See the attached picture of the locations of both components. I also attach the best service manual I found for this board for anyone else in a similar position of trying to repair this main board. It's not specific to the TV model however it gives...
    01-08-2024, 05:56 AM
  • joby91
    SONY KD-55AF9 OLED MAIN-BM3-1-983-356-11 EMMC Firmware
    by joby91
    Hello,

    I have SONY KD-55AF9. Mainboard MAIN-BM3-1-983-356-11 with defekt EMMC.
    I wanted to buy new EMMC and Flash the firmaware on it. Does anyone have the firmware for this TV. I would be really grateful.

    I found one chat about firmware on ************** forum but i cannot read the comments.

    https://**************/forum/108-114100-1#880537


    09-04-2024, 01:34 PM
  • Talyn
    Sony 55W905 dead
    by Talyn
    Hi,
    My Sony W905 started to turn itself off an on every few minutes and blinking 8 times red in standby. A few minutes later the tv was completely dead.
    I can only hear the click of the PSU when attaching/detaching the power cable. No standby LED.

    Any advice? Thanks!
    04-15-2024, 08:14 AM
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