Haier 48DR3505 Service Manual
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Contents
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Service ManualModel No.:9-3. Mainboard Failure CheckNo picture but have soundCheck the power output No Change the Power BoardYesCheck the CN2 (BLO)Backlight on/offYesNoThere’s something wrongwith FRCVerify if the DC/DCconvertor can output theright Voltage,No Change the correspondingDC/DCQB3 output 5VYesNoVerify if QM1outputChange the QM1Yes Still havingproblems Change PanelChange LVDS wire3948DR3505 |
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