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SONY BRAVIA KDL42W805B: 6 Red Blinks Issue - Panel or T-CON Board Fault?

abramkyr1995 582 8
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  • #1 21433504
    abramkyr1995
    Level 7  
    TV! I have a SONY BRAVIA - kdl42w805b and I have a problem. When it's switching ON it blinks 6 times red one LED. When I plugged off the cable that goes on T-CON BOARD it's working normally.
    What is the problem. The panel or T-Board ?
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  • #3 21434480
    abramkyr1995
    Level 7  
    >>21433795 My friend, when I unplugged the flex cable which connects to the T-CON board, the TV is working normally with backlights but without image because of the missing t-board. When I plug in the flex, the led blinks 6 times.
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  • #5 21435721
    Eps-Serwis
    Level 11  
    Replace the backlight with a new one and everything must be ok. I have not come across another case in this series for 6 flashes
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  • #6 21435934
    abramkyr1995
    Level 7  
    >>21434687 Explain me this: why when I turn ON the TV it's working normally without the T-BOARD and when I plugged in the TV with T-board it's switching off and the LED backlight it's blinking six times ?

    Added after 8 [minutes]:

    >>21435934 >>21435721 >>21434687 >>21435721 >>21434687 >>21434480 >>21433795 >>21434687 >>21435721
    I measure with oscilloscope the voltages and everything is OK. Also, I switched off the TV and I unplugged the LED cable and plugged the T CON Board on, the same applies.
  • #7 21435982
    XTeRX
    Level 19  
    Then name yourself a Tcon and you'll know what's wrong, if you're so insistent, rather than dragging the subject out unnecessarily.
  • #9 21436181
    abramkyr1995
    Level 7  
    >>21435982 You can't understand! You are off topic, besides that you came to accuse! you are wasting your time. cao.

    Added after 4 [minutes]:

    >>21436087 Man. thank you for your time! I just changed T-Board and it's working normally. Thank you all, also >>21433795 and >>21435721 !! Thank you !
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Topic summary

The discussion revolves around a malfunction in the SONY BRAVIA KDL42W805B television, characterized by six red LED blinks upon powering on. The user reports that disconnecting the T-CON board allows the TV to function normally, albeit without an image. Responses suggest potential issues with the backlight, bad contacts between LED strips, or a faulty T-CON board. One user recommends replacing the backlight, while another suggests testing LED strips externally to confirm the issue. Ultimately, the user resolves the problem by replacing the T-CON board, restoring normal functionality.
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