Sharp Aquos LC 15B2UA, Service Manual

Page: 15 / 72

15
LC-15B2UA
LC-15B2UB
5 White balance adjustment
6 Checking and modifying
the settings
(If E
2
PROM is replaced)
1. Receive the monoscope pattern
signal.
2 . A d j u s t t h e " R C U T O F F " a n d
"BCUTOFF" settings on the page 2
of the adjustment process mode to
become the proper white balance.
Do not change the "GCUTOFF"
settings. (It also change the black
level.)
1. Go to the adjustment mode and
check the following settings.
»
PAL-M TV COLOR 2600
»
PAL-M AV COLOR 2600
»
PAL-N TV COLOR 2600
»
PAL-N AV COLOR 2600
»
V235 226
»
V176 137
»
V176 BIAS 150
»
V112 103
»
V112 BIAS 170
»
V64 73
»
V64 BIAS 40
»
V21 50
»
V21 BIAS 50
»
V7 29
»
V7 BIAS 65
»
V0 BIAS 130
1.See if all the settings are as specified.
If not, select an item in question with
[VOL +] or [VOL –] key and adjust the
setting as shown at left.
* An item selected will be highlighted in
yellow.
Adjustment Adjusting conditions Adjusting method