Read LG 47LH30 (CHASSIS:LA92A) Service Manual online
LG Electronics. Inc. All right reserved.
C
2009
- 20 -
7. HDMI Video
Check input signal format.
Is it supported?
OK
Check HDMI Cable for damage
or open conductor
OK
Check JK500,501,502
NO
Replace Jack.
OK
Check EDID & EEPROM
IC500,501,502
I2C Signal (#5, #6)
NO
Replace the defective IC or
re-download
EDID data.
OK
Check HDCP key
NVRAM(IC105)
power & I2C Signal (#5 #6)
NO
Replace the defective IC.
OK
Check HDMI Signal
NO
Check other set.
If no problem, check signal
line.
NO
Replace Main board
OK
Check Mstar LVDS output
NO
Replace Mstar(IC100)
or Main board
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