Filter
Top Products
7. HDMI Video
Check input signal format.
Is it supported?
Check HDMI Cable conductors
for damage or open conductor.
Check EDID & EEPROM
IC7701 (*IC7702)
I2C Signal
Check JK7700, JK7702
ok
ok
ok
No
No
Replace the defective IC or re-download EDID data
Check HDCP Key NVRAM(IC105)
Power & I2C Signal
Replace the defective IC.
ok
No
Replace Jack
* JK7702 is Side HDMI supported model
26/32LD350 models
Check HDMI Signal
Check other set
If no problem, check signal line
ok
No
Check Mstar LVDS Output
Replace Mstar(IC100) or Main Board.
ok
No
Replace Main Board
No
Check HDMI_DET(HPD)
No
ok
Replace R7703,R7705,R7731,R7732
Copyright ⓒ 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only