Daewoo TVZ 1321 Service Manual page 107

D.
Self Record playback video signal NG
Yes
Check EP mode
Yes
Is REC(H) output from
PAY01 pin3?
Yes
Is REC color signal
output from
IY01 pin 14 ?
Yes
Is luminance signal output
from IY01 pin 2 ?
Yes
Is luminance input
to IY01 pin3?
Yes
Is REC-Y(FM) signal output
from IY01 pin34?
Yes
Is C. sync : signal supplied
IY01 pin 3 ?
Yes
Is SW pulse input into
IY01 pin 2 ?
Yes
Is +5V supplied at
PAY02 pin7?
Yes
Check video head
and connector
No
Check QY06 and IN01 pin36
Is signal input into IY01
No
pin 31 ?
No
Check IY01
No
Check QY01 and
side components
No
Check IY01
No
Check C. sync
No
Check IN01 pin 23
No
Check power circuit
105
No
Check IY01