LG Electronics 20LC1R-ZG service manual BProcess

Page 16

No Raster

Check LED Status

on display unit

Pass

Check

U401~U405, U407, U409

Pass

:[B]Process

Fail

Fail

Repeat A PROCESS

Change U401~U405, U407, U409

	Check the input/
	Output of U301
	Output of U301		Fail
			Fail

	Pass
	Check inverter
	Connector or inverter		Fail

	Pass

Check panel link
Cable or module	Fail

Pass

Check input source cable and jack

Change U301

Change inverter connector or inverter

Change panel link cable or module

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Contents LCD TV Contents General Guidance Safety PrecautionsDo not use a line Isolation Transformer during this check Servicing Precautions Electrostatically Sensitive ES DevicesIC Remove/Replacement Small-Signal Discrete Transistor Removal/ReplacementPower Output, Transistor Device Removal/Replacement Diode Removal/ReplacementDisassembly Specification General SpecificationMechanical Specification Application rangeReference table-Function Optical CharacterOutgoing Condition Engineering Specification 8-1.General Specification BlueOrange OFFSystem TXT NameLGE Kumi PAL-BG Philips MonoAdjustment Instruction Board Assembly line processTotal Assembly line process Option configurationAdjustment Preparation Iicsw should set to Confirmation of LuminanceSVC Remocon Troubleshooting AProcessBProcess Fail L110, L112, R194, R198 Page Block Diagram Block Diagram Description Wiring Diagram Exploded View 041 140 030 100 090 070 080 120 060 110 020 010 050Exploded View Parts List DescriptionReplacement Parts List Main Board Capacitor0CE107WF6DC Coil & Filter & Inductor RESISTORs Description / Specification Control Board Page Page Page Page Page Aug