Service Manual
Model
Model
Model
Model No.:
No.:
No.:
No.: 75UF5550
75UF5550
75UF5550
75UF5550
No color for some channel program (black and white)
No color for some chann
el program (black and w
hite)
Verify if the same
problem exists in other
channels
Yes
check out of picture
and sound system
No
No
Check out of picture and sound
system of this channel
Change the channel to the right sound
system (PAL-BG SECAM/L)
Yes
Refer to relative
instructions in the
Manual for color adjust
Updata the software and
Still having
problems
43
43
43
43
make the reboot; or
change the maiboard
