Read LG 47LH30 (CHASSIS:LA92A) Service Manual online
LG Electronics. Inc. All right reserved.
C
2009
- 19 -
5. RGB Video
Check input signal format.
Is it supported?
OK
Check RGB Cable conductors
for damage
OK
Check JK1204
NO
Replace Jack.
OK
Check EDID
NO
Replace the defective IC or
re-download
EDID data.
OK
Check signal
R/G/B/H/V-Sync
C113,C108,C114,R146,R149
NO
Check other set.
If no problem, check signal
line.
OK
Check Mstar LVDS output
NO
Replace Mstar(IC100)
or Main board
6. AV Video
Check input signal format.
Is it supported?
OK
Check AV Cable for damage or
open conductor.
OK
Check JK1200
NO
Replace Jack.
OK
Check Mstar LVDS output
NO
Replace Mstar(IC100)
or Main board
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