Haier HL15WHITE Service Manual
Also see for HL15WHITE: User manual
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Contents | 
Trouble shooting1.Power Supply TroubleCheck F1 for 12VCheck F1 and CN10 Check E33(470μF/25V)for 5vCheck F1 for shortcut Check power output for LDOOKTurn on or notCheck the powersupply net follow F1 Turn onthe setChange LDOOr The load isOKCheck Pin3 U13For 350Khzswitch signalU1/AP1501-50&D17/IN5822Check L9/47μHHigt Voltage Low voltageU1/MAP1501-504thPIn & U1Check C111/0.01FYNYNN Y YNYNYNN YOKCheck Mcu1,power supply2,Reset3,CrystalN Y |
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