16
TPM1.0U LA
5. Service Modes, Error Codes and Fault Finding
4.No TV sound
Check if
tuner TU201 pin11
output IF signal
Yes
Check U301
5.No earthphone sound
Check
U760 pin15=3.3V
Yes
Check U760
pin20=HPOUTL
pin6=HPOUTR
Yes
Replace Side AV Board
No
Replace TU201
Eliminate short and open
No
situation
No
Replace U760