Sharp 21M-FG1L, Service Manual

Page: 22 / 59

21V-FW100S
5 – 11
ADJUSTMENT
ITEM
ADJUSTMENT
POSITION
CONTROL
PRE-ADJUST
REQUIREMENT
CONTENT
INPUT
CONDITION
OUTPUT
ADJUSTMENT
PROCEDURE
SYMBOL
MODEL NAME
WHITE BALANCE
V17,V18,V14,V15,V16 STEP RANGE 0-127, 0~255
21V-FW100S
I2C BUS CONTROL
OPTION SET UP, BUS SET UP, SCREEN
23CH 50IRE WINDOW PATTERN
220 V
CRT SCREEN DISPLAY .
1)
WHITE
(HIGH BEAM)
FIRST LET THE GUN POINT AT
BLACK
POSITION (AS DRAWING ATTACH), ADJ
V04
UNTIL
BRIGHTNESS Y
BECOME
5 cd/m2
, THEN LET THE GUN POINT AT
WHITE
POSITION (AS DRAWING ATTACH),ADJUST
VO1
UNTIL
BRIGHTNESS Y
BECOME
150
cd/m2
, ADJUST THE BUS DATA OF
V17
(R DRIVE),
V18
(B DRIVE) UNTLL THE AXIS OF
COLOUR TEMPERATURE BECOME
X=0.273,Y=0.280
.
2)
BLACK
(LOW BEAM)
LET THE GUN POINT AT BLACK POSITION, IF THE VALUE SHIFTED AWAY FROM THE
DATA ADJUSTED IN STEP 1), ADJUST AGAIN THE TWO SERVICE DATA WHICH HAVE
CHOSEN AT SCREEN ADJUST SO THAT TO OBTAIN THE SIMILAR AXIS AS ABOVE.
*
WARNING
: DO NOT DISTURB THE MINI STEP GUN DATA DURING THIS ADJUSTMENT.
**REPEAT STEP 1),2) TO GET A REGULATED POSITION.
[CHECKING CONFIRMATION ]
X=0.273,Y=0.280 (11,600° K+1 MPCD)
HISTORY
OF REVISION
REVISED CONTENT .
WHITE
US14 BLACK