Haier HLC15E-D Service Manual

Also see for HL15E-D: User manual

Haier HLC15E-D Service Manual Manual pdf 53 page image

42voltage : +12V ,+12V,+12V ,+12Vconnector:CN2 P1,P2,P3,P412.3 Main board failure checkState:No pictureFirst,check cables which connect with PSB and the Lvds wire with the panel.State No soundFirst check cables which connect with Main Board then check as follows1) Check input voltage as NO picture2) Check speaker outputFirst,check speaker anode(+) and cathode(-),confirm speaker short or not. If short ,replace speaker.Second,check CN21 with oscillograph, confirm wave output or not.Connector: CN21.12.4 Pannel failureFailure ModePart Name Description Phenomena Failure causeV B/D Vertical barV Dim Vertal graylineV L/DVertical colorline(light ordark forever)H B/D HorizontalbarH Dim Horizontalgary lineTCPH L/DHorizontalline(light ordark forever)Block Defect :TCP cracking or crackingDim or L/D :TCP Sunken:TCP lead cracking:ACF bonding short:Awful environment and something electric enter intoLCD:Mis-align between TCP and Panel:Panel failure:TCP failureFailure ModePart Name Description Phenomena Failure cause