Sanyo LED-24XR113D, Service Manual

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4.1.3
ADC calibration for D-SUB channel
a) Switch to D-SUB channel;
b) Press key “
INPUT ”, then press digital keys “ 2
、
5
、
8
、
0 ” in turn to enter into primary factory
menu;
c) Move cursor to item “ ADC ADJUST ” and press key “ OK ” to enter into the inferior submenu;
d) Input D-SUB signal ( VG-849 Timing:856 (1024×768/60 Hz), Pattern:914 chess square (5
white s picture with frame) ); move cursor to item “ MODE ”, press keys “ ▲ ” and
“ ▼ ” to choose item “ RGB ”, then move cursor to item “ AUTO ADC ” and press key “ OK ” to
perform auto adjustment until a prompt “ success ” displays;
4.1.4 ADC calibration for Component channel
a) Switch to Component channel;
b) Press key “
INPUT ”, then press digital keys “ 2
、
5
、
8
、
0 ” in turn to enter into primary factory
menu;
c) Move cursor to item “ ADC ADJUST ” and press key “ OK ” to enter into the inferior submenu;
d) Input Component signal ( VG-849 Timing:972(1080i), Pattern:918 100% color bar ); move
cursor to item “ MODE ”, press keys “ ▲ ” and “ ▼ ” to choose item “ YPbPr ”, then move cursor to
item “ AUTO ADC ” and press key “ OK ” to perform auto adjustment until a prompt “ success ”
displays;
4.2 White balance adjustment
For TV model
(＜
24” ), default settings of COOL color temperature is 10000K and
chromatic coordinates is ( 280
、
288 ); referenced settings of Normal color temperature is 8000K
and chromatic coordinates is ( 295
、
305 ); referenced settings of Warm color temperature is 6500K
and chromatic coordinates is ( 313
、
329 );
For TV model
(≥
24” ), default settings of COOL color temperature is 12000K and
chromatic coordinates is ( 272
、
278 ); referenced settings of Normal color temperature is 9300K
and chromatic coordinates is ( 285
、
293 ); referenced settings of Warm color temperature is 6500K
and chromatic coordinates is ( 313
、
329 );
Default setting is Normal .
4.3 Adjustment procedures
The TV set should be working above 30 minutes to be in a stabler state before adjustment. Use
CA-210 BBY channel to adjust white balance;
a) Switch to HDMI channel;
b) Press key “
INPUT ”, then press digital keys “ 2
、
5
、
8
、
0 ” in turn to enter into primary factory
menu;
c) Move cursor to item “ W/B ADJUST ” and press key “ OK ” to enter into the inferior submenu;
d) Input HDMI signal ( VG-849 Timing: 972(1080i)
，
Pattern:921 16 step Gray ); move cursor to
item “ MODE ”, press keys “ ▲ ” and “ ▼ ” to choose item “ HDMI ”, then move cursor to item
“ TEMPERTURE ” and press keys “ ▲ ” and “ ▼ ” to choose “ NORMAL ”;
e) Fix “ G GAIN ”, adjust “ R GAIN, B GAIN ” to set 14
th
chromatic coordinates as (285
、
293);
f) Fix “ G OFFSET ”, adjust “ R OFFSET
、
B OFFSET ” to set 4
th
chromatic coordinates as
(285
、
293);
g) To make sure chromatic coordinates of bright scale are ( X=285±10
，
Y=293±10 ) and
chromatic coordinates of dark scale are ( X=285±10
，
Y=293±10 ) during adjustemnt;
h) Move cursor to item “ COPY ALL ” to copy white balance data to other channels except DTV
channel;