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4. Component Video
Check input signal format.
Is it supported?
ok
Check Component Cable
for damage or open conductor.
ok
Check JK1702
Y/PB/PR signal Line
ok
Check COMP_DET Signal
ok
Check Mstar LVDS Output
5. HDMI Video
Check input signal format.
Is it supported?
ok
Check HDMI Cable conductors
for damage or open conductor.
ok
Check EDID
R832, R833, R834, R835 I2C Signal
ok
Check JK801, JK803
ok
Check HDMI_DET (HPD)
ok
Check HDMI Signal
ok
Check Mstar LVDS Output
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Only for training and service purposes
No
Replace Jack
No
Replace R1712 or R1713
No
Replace Mstar(IC101) or Main Board.
No
Replace the defective IC or re-download EDID data
No
Replace Jack
No
Replace R803, R801, R826, R807, R817, Q801, R819, R818, R830
No
Check other set
If no problem, check signal line
No
Replace Mstar(IC101) or Main Board.
- 18 -
No
Replace Main Board
LGE Internal Use Only
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