Read LG 19LV2500-ZG / 19LV250A-ZG / 19LV250N-ZG / 19LV250U-ZG (CHASSIS:LD01R) Service Manual online
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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
R
e-download EDID data ,Replace Mstar(IC101) or Main Board.
ok
Replace Jack.
Check DSUB_DET.
Replac e R1146 or R1147.
No
Check Mstar LVDS Output.
Replace Mstar(IC101) or Main board.
ok
No
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