sm 32 inch led tv no picture problem | how to repair no display problem led tv | sm led tv ckv short

sm 32 inch led tv no picture problem | how to repair no display problem led tv | sm led tv ckv short
sabse pahele aisi fault me panel board par 12v. ko check karenge.
aur dc to dc ic se output honewale savi voltage ko check karenge jo ki aishi fault me jyadatar avdd voltage , vgl voltage vgh voltage drope raheta hai aur 3.3v aur 1.8v ban raha hota hai to aishi condition me dc to dc ic ko ok hai ki nahi ish ko sab se pahele check karenge . ok nahi hone par ye ic ko change kar denge . ya ok hai to bhi aur voltage nahi ban raha hai to ckv ka fault raheta hai to ckv ke point se conected lines ko shorting ko check kar ke jis point par shorting hai ushe cut karke aishi fault ko ok karenge etc.....
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