LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual Pass

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Is the	YES Is the input cable		NO	Attach the input
Set ON?		attached?		cable(s)

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PASS

Check for S/W error

	NO		YES
Push the POWER
ON key		Check the
		Condition of all PASS
		Connectors, wafers,
		I2C In the
		system.

Check LVDS	PASS	Check 24bit		PASS
		RGB at AR700-
Output of Cortez
		AR705
FAIL			FAIL

Replace Cortez

What is

the input signal

mode?

		Check Y/C	FAIL
S-Video		Signal at L131,132 on
		Jack board
		PASS
Check Main_YC		Check Sub_YC
At R309,320		At R302,303
	FAIL

Power Error

FAIL

Check 3.3V At L110 on jack board

PASS

Replace Jack Board

Check Power

Levels and crystal

PASS

Replace Hudson

FAIL

Power Error

Check Q303		FAIL
Circuit and	9V
at L300

PASS

Replace CXA2069

Correct the circuit