37’’ LCD TV RCA L37WD23
24
4. No sound
Check the source
OK
Reset source
NG
Check signal filter circuit
NG
Replace the filter or inductance
OK
NG
SIF signal
Check TV system setup
OK
Check TU701
Replace TU701
AV, Component, PC signal
Check U601
NG
Replace U601
Check Earphone jack
NG
Replace the Earphone jack
OK
Check speaker
NG
Replace speaker
OK
NG
Replace U701
Check U701
Check U103
Replace U103
OK
Check U101
Replace U101
Check U401
Replace U401
Summary of Contents for L37WD23
Page 19: ...37 LCD TV RCA L37WD23 19 4 Remove the shielding ...
Page 21: ...37 LCD TV RCA L37WD23 21 7 Remove the bezel ...
Page 26: ...37 LCD TV RCA L37WD23 26 6 PCB Layout 6 1 Main Board ...
Page 27: ...37 LCD TV RCA L37WD23 27 ...
Page 28: ...37 LCD TV RCA L37WD23 28 6 2 Power Board ...
Page 29: ...37 LCD TV RCA L37WD23 29 ...
Page 30: ...37 LCD TV RCA L37WD23 30 6 3 IR Board ...
Page 31: ...37 LCD TV RCA L37WD23 31 6 4 Connector Board 6 5 Key Board ...
Page 34: ...37 LCD TV RCA L37WD23 34 8 Block Diagram ...