LG 19LH2000 Service Manual page 66

LCD TV
Symptom
RGB Video OK ?
YES
Check the PC Audio Cable
YES
Check MAIN B'D JK401
NO
YES
MAIN B'D
C2015 (Right Sound)
C2016 (Left Sound)
YES
signal ?
NO
Check MAIN B'D
C2015, C2016
RGB, HDMI-PC No Audio Problem
Replace MAIN B'D JK401
Replace MAIN B'D IC 100
Making 2009. 2 . 1
Revision
26~42LH2000
32~47LH3000/LH4000
25/34