LG Electronics LCD 782LS service manual Pulse ?

Page 14

	YES
	CHECK	NO	TROUBLE IN
	L204	NO	TROUBLE IN
	PULSE ?		U201
	YES
	CHECK	NO	CHECK DOT CLOCK
	U401 PIN 10	NO	CHECK DOT CLOCK
	U401 PIN 10		PATTERN
	PULSE ?		PATTERN
	PULSE ?
	YES
	CHECK	NO	CHECK
	U401 PIN 8	NO	CHECK
	V.PULSE?		DVS PATTERN
	YES
	CHECK	NO	CHECK
	U401 PIN 7	NO	CHECK
	U401 PIN 7		DHS PATTERN
	V.PULSE?		DHS PATTERN
	YES
	TROUBLE IN
	LCD MODULE
		- 14 -

Image 14

Contents Color Monitor Chassis NO. CL-29 Factory Model LB782GContents SpecificationsPrecaution Be Careful Electric ShockTiming Chart Video SyncMenu Button Operating InstructionsFront View Rear View Auto ButtonWiring Diagram Disassembly Back Cover RemovalBlock Diagram GM5020Description of Block Diagram Block Diagram Power Board Adjustment Start AdjustmentAdjustment for White Balance Adjustment for EdidTroubleshooting Guide No PowerNo Raster Pulse ? No Clock Clock Generator Trouble in DPM Printed Circuit Board Main Board Component SidePower Board Component Side Power Board Solder Side Exploded View Exploded View Parts List DescriptionReplacement Parts List Alternative PartsTransistor Power Board Control Board PIN Configuration Pin Name FunctionSchematic Diagram Lvds Micom DC/DC Connector Control Power Jun