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SONY_40R550C No picture, has sound

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vanninhstep
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Sony 40R550C TV, no picture, but has sound.
Check :

- VCC 12V : OK
- AVDD 17V = 0V
- VGH 28V = 0V
- VGL -7V = 0V
- Core Supply 1.2V = 0V
   1.8V = 0V
Pls help me to how to fix it!
 

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Comments
Shizo
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**

Hello!
If you have 2 PCB in panel then disconnect left/right side and see do you have good  half screen .

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vanninhstep
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Thank for you guide!

I did it, but after disconected power LED will blink and TV shutdown 

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