Hyundai HLCD-22ZT4 Service Manual page 23

22" LCD TV
5.4 No sound
Check the source
Check signal filter circuit
Check Earphone jack
Check U601 TDA7266
Check speaker
Reset source
OK
NG
Replace the filter or inductance
NG
Replace the Earphone jack
SIF signal
OK
Check AV, SV, COMPONENT, PC signal
Check HDMI signal
NG
OK
NG
Replace speaker
Check TV system setup
OK
Check TU100
NG
NG
Check U306 CS4344
Replace U601
23
NG
Replace TU100
NG
Check U201
NG
Replace U306
Hyundai HLCD-22ZT4
Replace U201