TROUBLESHOOTING GUIDE
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
NO E-E (NO VIDEO AND AUDIO
FROM TUNER)
Check TV Main PCB.
Check TU6001 and the peripheral
circuit.
Replace IC6001 and check peripheral
circuits.
Check 9V and 5V line.
Check Q6002.
Is there VIDEO signal at
pin 20 of IC6001?
Is defect present when
replacing the IF PCB ?
Is the voltage at pin 6 of
TU6001 9V ?
Is defect present when
replacing the TU6001.
Is the voltage at pin 13 of
IC6001 5V and the voltage
at pin 18 of IC6001 9V ?
Replace TU6001.
E-27
