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LGE Internal Use OnlyCopyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
6. SCART Video
Check input signal format.
Is it supported?
Check Component Cable
for damage or open conductor.
Check JK1602
R/G/B and sync signal Line.
ok
ok
ok
No
Replace Jack.
Check SC1_DET Signal.
Replace R1614.
No
Check Mstar LVDS Output.
Replace Mstar(IC101) or Main Board .
ok
No
7. RGB Video
Check input signal format.
Is it supported?
Check RGB Cable conductors
for damage or open conductor.
Check EDID
I2C Signal
R138, R139(SDA,SCL).
Check JK1104
H/V_Sync/R/G/B Signal Line.
ok
ok
ok
No
No
Re-download EDID data ,Replace Mstar(IC101) or Main Board.
ok
Replace Jack.
Check DSUB_DET.
Replace R1146 or R1147.
No
Check Mstar LVDS Output.
Replace Mstar(IC101) or Main board.
ok
No