Read LG 37LG50 (CHASSIS:LA84D) Service Manual online
- 16 -
5. RGB Video
Check RGB Cable conductors for
damage.
Check JK605
Yes
Yes
Check input signal format.
Is it supported?
Yes
Check R/G/B signal
R640, R641, R642
Replace Jack.
No
Check signal Hsync, Vsync
R633, R634
Yes
Check other set.
If no problem, check signal line.
No
Check other set.
If no problem, check signal line.
No
Yes
Check Mstar LVDS output
Replace Mstar(IC100).
No
6. AV Video
Check AV Cable/ S-Video Cable for damage or
open conductor.
Check JK600(Rear).
Check JK602(Side).
Yes
Check input signal format.
Is it supported?
Yes
Check signal
C635(Composite), C634/ C633(S-Video)(Rear),
R615(Composite)(Side)
Replace Jack.
No
Yes
Check other set.
If no problem, check signal line.
No
Yes
Check Mstar LVDS output
Replace Mstar(IC100).
No
Click on the first or last page to see other 37LG50 (CHASSIS:LA84D) service manuals if exist.