LG Electronics 20LS7D(C)-UB service manual

Contents LCD TV Contents Do not use a line Isolation Transformer during this check General GuidanceServicing Precautions Diode Removal/Replacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Power Output, Transistor Device Removal/ReplacementApplication range Test method SpecificationGeneral SpecificationTV White Chroma & BrightnessComponent Video Input Y, CB/PB, CR/PR RGB input PC/DTV Mechanical specificationApplication Object Adjustment InstructionSet Method ADC-Set Adjustment23LS7D-UB RGB Preparation for Adjustments & Setting of DeviceRequired Test Equipment 23LS7D-UB HdmiRequired Equipment Adjustment of White BalanceTV/CATV doesnt display TroubleshootingVideo doesnt display Component doesnt display Rgbpc doesnt display Hdmi doesnt display LCD Exploded View Exploded View Parts List Replacement Parts List Description / Specification C1608C0G1H220JT 22pF 5% 50V C0G -55TO+125C DIODEs RESISTORs ICsTRANSISTORs & FETs MNR04M0APJ680 68OHM 5% 1/16W 4P 8P R1185 R4007 0RJ1001C678 R4147 R6031 JACKs CONNECTORsSWITCHes COILs & FILTERs & INDUCTORsLED,DIP BL-BUBGE301 Round 3MM OTHERsPage Page Mar