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7.HDMI Video Trouble Shooting
Check input signal format
Is it supported?
Y
Check JK900 / JK901 for proper connection or
damage
Replace connector
Y
N
Y
Check HDMI Cable for damage or open
connector
Check EDID NVRAM
(IC902,IC903)
Power & I2C Signal (#5, #6)
Redownload EDID data or Replace IC901/IC902
Y
N
Check HDCP Key NVRAM (IC102)
Power & I2C Signal (#5, #6)
Replace IC102
Y
N
Replace Mstar(IC100)