Daewoo TVZ 1321 Service Manual page 105

B.
Power supply is normal
No video
Check clock, enable and
data of tuner
Yes
Is IF signal from tuner normal ?
Yes
Refer from EE mode
no video trouble shooting
flow chart
No
Check pin 35, 36, 37
of I701
No
Check Tuner
103
Check
No
oscillation
at pin 24 of I701