Sanyo LCD-40XZ10F, Service Manual

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move cursor to item “
MODE
”
，
press keys “
▲
” and “
▼
” to select item “RGB”, then move
cursor to item “
AUTO ADC
” and press key “OK” to begin adjustment automatically until
adjustment completion.
ADC calibration of YPbPr channel
a) Switch to YPbPr channel;
b) Press key “
SOURCE
”
，
then press number keys “
2
、
5
、
8
、
0
” to enter into initial factory menu;
c) Move cursor to item “
ADC ADJUST
” and press key “
OK
” to enter into interior factory menu;
d) Input YPbPr signal (
VG848 Timing 97
6
（
720P
）
,Pattern 918 SMPTE Color Bar
), move
cursor to item “
MODE
”
，
press keys “
▲
” and “
▼
” to select item “
YPbPr （ HD ）
”, then move
cursor to item “
AUTO ADC
” and press key “
ENTER
” to begin adjustment automatically, a
prompt “
success
” displayed under “
AUTO ADC
” means auto-adjustment completed
successfully;
e) Input YPbPr signal (
VG848 Timing 9
6
8
（
4
08I
）
,Pattern 918 SMPTE Color Bar
), move
cursor to item “
MODE
”
，
press keys “
▲
” and “
▼
” to select item “
YPbPr （ SD ）
”, then move
cursor to item “
AUTO ADC
” and press key “
ENTER
” to begin adjustment automatically, a
prompt “
success
” displayed under “
AUTO ADC
” means auto-adjustment completed
successfully;
2.2 White balance adjustment
Unless specified by customer, default COOL color temperature is
12000K
, chromaticity
coordinates is
（
272
、
278
）
; default Normal color temperature is
9300K
, chromaticity
coordinates is
（
285
、
293
）
; default Warm color temperature is
6500K
, chromaticity coordinates
is
（
3
2
3
、
329
）
.
2.3 White balance adjustment processes
The set should be working above
30
minutes before white balance adjustment for it would be in
a stabler state. Use white balance apparatus
CA-210
and switch to any channel have checked.
a) Switch to
HDMI
channel
；
b) Press key “
SOURCE
”, then press number keys “
2
、
5
、
8
、
0
” in turn to enter into initial factory
menu;
c) Move to item “
W/B ADJUST
” and press key “
OK
” to enter into interior factory menu;
d) Input
DVI/HDMI
signal
（
VG-848 Timing: 856(1024×768/60 Hz)
，
Pattern:921 16 step
Gray
）
, move cursor to item “
MODE
”, press keys “
▲
” and “
▼
” to select item “
HDMI1
” or
other HDMI channels, then move cursor to item “
TEMPERTURE
”, press keys “
▲
” and “
▼
”
to select item “
COOL
”;
e) Adjust items “
R GAIN 、 G GAIN 、 B GAIN”
to set chromaticity coordinates of the
14
th
step
is
（
2
72
、
2
78
）
;
f) Adjust item “
R Offset
、
G Offset
、
B Offset
” to set chromaticity coordinates of the
4
th
step is
（
272
、
278
）
;
g) During adjustment , make sure that color temperature of bright step is (
X=272±10 Y=278±10)
and color temperature of dark step is (
X=272±10 Y=278±10)
;
h) Then move cursor to item “
COPY ALL
” to copy white balance data to the other channels
except DTV channel;
i) Check if color temperature of
HDMI NORMAL
and
WARM
meet requirements as below:
bright step: allowable error is
±10
, dark step: allowable error is
±10
;
otherwise adjust items “
R_GAIN /B_GAIN/R_OFF/B_OFF
” to meet requirements and then
save data;