LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual No image

No image	Is the	YES	Is the input		NO	Attach the input
	Set ON?		cable attached?			cable(s)
	NO		YES
	Push the POWER
	ON key		Check the				What is
			Condition of all		PASS
			Connectors, wafers,				the input signal
			I2C In the				mode?
			system.
							RGB
									PASS		Power Error
- 25 -											FAIL
				PASS			Check 24bit	PASS	Check RGB	FAIL	Check 3.3V
		Check LVDS							HV signal at R513
						RGB at AR700-					At L500 on jack
		Output of Cortez							512,509,510,515
	PASS						AR705				board
									On Jack board
	Check for S/W error		FAIL								FAIL
							FAIL
											Replace Jack Board
		Replace Cortez
						Check Power
						Levels and crystal
			PASS
			Replace Hudson				FAIL
					Power Error