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32LS4600, 32LS460Y, 32LS4610 (CHASSIS:LB21B) - LG TV Service Manual (repair manual). Page 19

Read LG 32LS4600 / 32LS460Y / 32LS4610 (CHASSIS:LB21B) Service Manual online

- 19 -
Check input signal format.
Is it supported?
Check RGB Cable conductors
for damage or open conductor
Check EDID
I2C Signal
JK1104 Pin12, 15 (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
6. RGB Video
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