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Download SERVICE MANUAL
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Akhter TFT1560PSA+ 2.) W / LED, No Backlight Check C201 (+) =12V NG Check F201 OK Check 201/Q209/Q210 Check ON/OFF signal NG Check Interface board OK Check U201 pin9=12V voltage NG Change Q201 or Q202 OK Check the pin7/10 of U201 if have waveforms NG Short Q203/Q204 if the picture normal OK Change U201 NG Connect PIN15 of U201 to the ground and check Q209/Q210/ Q211/Q212 collector waveforms NG Change Q209/Q210/PT201 OK Change Q211/Q212/PT202 Check feedback circuit NG Check connecter & lamp 52
