LG 52LG50FD Service Manual page 36

HDMI Video
Check signal format
Is it supported?
Y
Check HDMI Cable
Y
Check J600 / J601 / J602
Y
Check IC809 #2 Pin Voltage Level
3.3V
Y
Check L607 Voltage Level 3.3V
Y
Check EDID NVRAM (IC602, 603,
604)
Power & I2C Signal (#5, #6)
Y
Check HDCP Key NVRAM (IC102)
Power & I2C Signal (#5, #6)
Y
Check IC601 Clock Signal
#26, #27
Y
Copyright 2008 LG Electronics. Inc. All right reserved.
C
Only for training and service purposes
N
Replace connector
N
Replace it
N
Replace it
N
Replace it or redownload
N
Replace it
N
Replace it
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Maybe BCM3553(IC100) has problems
LGE Internal Use Only