LG 55LB6500-um Service Manual page 104

A4
30
date
date
audio
Manual
No
error
Video
A
Detail
m
sympto
Process
Repair
TV
1
LCD
LL
Temp
Color
for
of
BOARD
value
MAIN
Cut
the
item
GAIN
B
of
the
G
on
R
after
the
White value
ADJ
the
the
into
enter
Press Enter
After
2
1 3
Entry