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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
4. Component Video
Check input signal format.
Is it supported?
Check Component Cable
for damage or open conductor.
Check JK1701
Y/PB/PR signal Line
ok
ok
ok
No
Replace Jack
Check COMP_DET Signal
Replace R1712 or R1713
No
Check Mstar LVDS Output
Replace M star(IC101) or M ain Board
.
ok
No
5. HDMI Video
Check input signal format.
Is it supported?
Check HDMI Cable conductors
for damage or open conductor.
Check EDID
R810, R811, R815, R816 I2C Signal
Check JK800, JK801
ok
ok
ok
No
No
Replace the defective IC or re-download EDID data
ok
Replace Jack
Check HDMI Signal
Check other set
If no problem, check signal line
ok
No
Check Mstar LVDS Output
Replace M star(IC101) or M ain Board
.
ok
No
Replace M ain Board
No
Check HDMI_DET (HPD)
No
Replace R808, R809, Q800, R803, R814
Содержание 39LB5600
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