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19LG3000, 19LG3010 (CHASSIS:LD84A) - LG TV Service Manual (repair manual). Page 20

Read LG 19LG3000 / 19LG3010 (CHASSIS:LD84A) Service Manual online

 
5. No Sound 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Check the source 
OK 
Reset source
Check signal filter circuit   
NG
Replace the filter or inductance
OK 
NG 
SIF signal 
Check TV system setup 
OK
Check TU201
Replace TU201
AV, component, S-video, PC signal
NG 
Check Amplifier TDA8932BTW U602 
Replace U602
Check Earphone jack 
NG 
Replace the Earphone jack
OK 
Check speaker 
NG 
Replace speaker
Check relative circuit
NG
No sound 
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