Component Video - LG 39LB5600 Service Manual

4. Component Video

Check input signal format.
Is it supported?
ok
Check Component Cable
for damage or open conductor.
ok
Check JK1701
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
R810, R811, R815, R816 I2C Signal
ok
Check JK800, JK801
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 M star(IC101) or M ain Board.
No
Replace the defective IC or re-download EDID data
No
Replace Jack
No
Replace R808, R809, Q800, R803, R814
No
Check other set
If no problem, check signal line
No
Replace M star(IC101) or M ain Board.
- 18 -
No
Replace M ain Board
LGE Internal Use Only