Advertisement
11. All source Audio
Make sure you can 't hear any audio
Y
Check Mstar I2S Output
R1035, R1037, R1038
Y
Check IC502 Power 16V, 3.3V, 1.8V
Y
Check Signal
L919, L920
Y
Check Signal
L509, L510, L511, L512
Y
Check Connector
JK501
Y
Check speaker
resistance and cone for damage.
N
Replace
NTP3000A Replace it
12. Digital TV Audio
Check video output
Y
Follow procedure All source audio trouble
shooting
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
N
Replace it.
N
Re-check
N
Replace it.
N
Replace it
N
Replace connector
damaged
Y
Replace speaker
N
Follow procedure digital TV video
trouble shooting
N
Replace
- 24 -
if found to be
Mstar
IC
LGE Internal Use Only
Advertisement
