WDE W3223 Service Manual page 23

32"LCD TV WDE W3223
5. No sound
Reset source
Check the source
OK
NG
Replace the filter or inductance
Check signal filter circuit
NG
Replace the Earphone jack
Check Earphone jack
SIF signal Check TV system setup
OK
OK
NG
Replace TU202
Check TU202
NG
Check U502
Replace U502
HDMI signal
NG
Replace U401
Check U401
NG
Replace U601 or U602
Check U601, U602
OK
NG
Check speaker Replace speaker
23