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Trouble Shooting
No color for some channel program (black and
white)
No color for some
channel program (blac
k and white)
Verify if the same
problem exists in other
channels
check out of picture
and sound system
Refer to relative
instructions in the
Manual for color adjust
No
Yes
No
Yes
Updata the software and
Still having
make the reboot; or
problems
change the maiboard
Check out of picture and sound
system of this channel
Change the channel to the right sound
system (PAL‐B/G )
No
Change R842(UT1)
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