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

No image

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

NO

Push the POWER ON key

	YES
Check the		What is
Condition of all PASS
Connectors, wafers,		the input signal
I2C In the		mode?
system.

		Power Error
			FAIL
Check TMDS	FAIL	Check 5V

HDMI

Signal at AR1206-7	At R1232 on
on main board	Main board

- 26 -

PASS

					PASS
Check LVDS	PASS	Check 24bit	PASS	Check 24 bit
		RGB at AR700-		RGB signal at
Output of Cortez
		AR705		AR1200-1205

PASS

Check outside connections

Check for S/W error FAIL

Replace Cortez

PASS

FAIL

Check Power

Levels and crystal

FAIL

Check 1.8V

At L1206 and 3.3V at FAIL L1207 And

crystal

PASS

Power Error

Replace Hudson		FAIL
	Power Error

Replace SiI9011