Contents | LG Electronics 20LS7D(C)-UB specification

CONTENTS

CONTENTS	2
PRODUCT SAFETY	3
SPECIFICATION	6
ADJUSTMENT INSTRUCTION	10
TROUBLE SHOOTING	14
BLOCK DIAGRAM	19
EXPLODED VIEW	20
REPLACEMENT PARTS LIST	22
SVC. SHEET

- 2 -

Image 2

LG Electronics 20LS7D(C)-UB service manual Contents

Contents

LCD TV Contents General Guidance Do not use a line Isolation Transformer during this check Servicing Precautions Power Output, Transistor Device Removal/Replacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Diode Removal/Replacement Application range Test method SpecificationGeneral SpecificationTV Chroma & Brightness White Component Video Input Y, CB/PB, CR/PR Mechanical specification RGB input PC/DTV Adjustment Instruction Application Object ADC-Set Adjustment Set Method 23LS7D-UB Hdmi Preparation for Adjustments & Setting of DeviceRequired Test Equipment 23LS7D-UB RGB Adjustment of White Balance Required Equipment Troubleshooting TV/CATV doesnt display Video 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 COILs & FILTERs & INDUCTORs CONNECTORsSWITCHes JACKs OTHERs LED,DIP BL-BUBGE301 Round 3MMPage Page Mar