Skyworth 42E68 - Has video but no color

N
N
N
N
N
N
OK
OK
OK
OK
Y
N
N
Y
Y
N
N
OK
OK
Has video but no colo
r
Check the Color / Saturation
in picture menu if it has
decreased to “0”
Increase the item
to default “50”
Check the cable input if
it has exactl
y
connected
Well connect the cable
Check the current input
source if it is TV
Done
Change the main
IC “U101”
Adjust AGC
follow the workin
g g
uide.
Change the
mainboard
Done
Done
Done
Check the DC power
su
pp
l
y
of the tuner.
Done
Check the L116
Change the L116
Done
Done
Change the
mainboard
Service Flow Chart
-50-