Samsung DVD-P191 Service Manual page 39

Samsung Electronics
CVBS Output Error
B
Pin
of DACVDD
in DIC1-54,59
has normal level ?
Yes
Pin
of VDDCO in
DIC1-44 has
normal level ?
Yes
Is 27MHz
clock
input at DIC1-70
normal ?
Yes
Is analog
output
at DIC1-58 (Video_CVBS)
normal ?
Yes
Video
signal at
output jack is
about
Yes
Change the RCA cable.
No
Check the connection between
DIC1-54,59 with 3.3V
Refer to a pattern
image of Table 4-10
No
Check the connection
between DIC1-44 with 1.2V
No
Check DY1
No
Check the soldering of DIC1.
No
Check the connection
between DIC1 and .
output jack
Trouble Shooting
4-21