32LH1DC1 - LG TV Service Manual (repair manual). Page 22

Read LG 32LH1DC1 Service Manual online

-22-
TROUBLE SHOOTING GUIDES
Check for problems
 in Main Board
Normal operation
Main Board
LED ON?
Power Cable(13 PIN)
Check / Replace
Front Cable(7 PIN)
Check / Replace
SMPS
Check / Replace
Main Board
Replace
PC Serial port
Check the setting
Serial Cable
Check / Replace
LVDS Cable
Check / Replace
Main Board
Replace
External equipment/
Cable Check / Replace
Main Board
Replace
External equipment/
Cable Check / Replace
Main Board
Replace
Speaker Cable
Check / Replace
Check for problems 
in audio
MICOM
Check the operation
Main Board
Replace
Is it communicating 
with the Service Port?
Is the screen
color normal?
Is the color normal
when PC/HDMI
is selected?
Is the color normal
when External Input/
S-Video/Component
is selected?
Is the left/right audio
output normal?
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
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