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Old 06-09-2021, 09:58 AM   #5
R_J
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Join Date: Jun 2012
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My Country: Canada
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Default Re: Power Supply 2273+3362 PSU in STBY

If D2 voltage is 12v on both sides it because the led boost circuit is not working, likely cause is an open led in the backlight circuit. If the backlight is open, the circuit will go into over voltage protection and shut down.
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