Hdmi Video Trouble Shooting - LG M237WD Service Manual

Check input signal form at
Is it supported?
Check HD MI Cable for damage o r open
Check JK801 / JK802 for proper connectio n or
Check IC803 Out Volta ge Level
Check ED ID NVRAM
(IC801, IC802)
Power & I2 C Sig nal (#5, #6)
Check HD CP Key NVRAM (IC105)
Power & I2 C Sig nal (#5, #6)
Replace Ms tar (IC101)
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C
Only for training and service purposes

7.HDMI Video Trouble Shooting

Y
conn ecto r
Y
dam age
Y
3.3V(Pin 6)
Y
Y
Y
N
N
Redownloa d EDID data or
N
N
- 21 -
Replace c onn ector
Replace IC803
Rep ace IC801/IC802 l
Replace IC105
LGE Internal Use Only