Read LG 19LV2500-UA (CHASSIS:LA01T) Service Manual online
6. RGB Video
Check input signal format.
Is it supported?
Check RGB Cable
Conductors for damage or
open conductor
Check EDID & EEPROM
IC1105 I2C Signal
R1141, R1143(SDA,SCL)
Check JK1104
H/V_Sync/R/G/B Signal Line
ok
ok
ok
No
No
Replace the defective IC or re-download EDID data
ok
Replace Jack
Check DSUB_DET
Replace R1146 or R1147
No
Check Mstar LVDS Output
Replace Mstar(IC100) or Main Board.
ok
No
Click on the first or last page to see other 19LV2500-UA (CHASSIS:LA01T) service manuals if exist.